Fix tests

.circleci/config.yml

@@ -7,7 +7,7 @@ references:
 
   container_config: &container_config
     docker:
-      - image: circleci/android:api-26-alpha
+      - image: circleci/android:api-27-alpha
     working_directory: *workspace_root
     environment:
       environment:
@@ -87,11 +87,8 @@ jobs:
           name: Upload unit code coverage to codecov
           command: bash <(curl -s https://codecov.io/bash) -F app
       - store_artifacts:
-          path: ./app/build/reports/tests/
-          destination: tests_reports/
-      - store_artifacts:
-          path: ./app/build/reports/jacoco/jacocoTestDebugUnitTestReport/
-          destination: coverage_reports/
+          path: ./app/build/reports/
+          destination: reports/
       - store_test_results:
           path: ./app/build/test-results
       - persist_to_workspace:
@@ -112,11 +109,8 @@ jobs:
           name: Upload code coverage to codecov
           command: bash <(curl -s https://codecov.io/bash) -F api
       - store_artifacts:
-          path: ./api/build/reports/tests/
-          destination: tests_reports/
-      - store_artifacts:
-          path: ./api/build/reports/jacoco/test/
-          destination: coverage_reports/
+          path: ./api/build/reports/
+          destination: reports/
       - store_test_results:
           path: ./api/build/test-results
       - persist_to_workspace:
@@ -130,7 +124,7 @@ jobs:
       - *attach_workspace
       - run:
           name: Setup emulator
-          command: sdkmanager "system-images;android-19;google_apis;armeabi-v7a" && echo "no" | avdmanager create avd -n test -k "system-images;android-19;google_apis;armeabi-v7a"
+          command: sdkmanager "system-images;android-16;default;armeabi-v7a" && echo "no" | avdmanager create avd -n test -k "system-images;android-16;default;armeabi-v7a"
       - run:
           name: Launch emulator
           command: export LD_LIBRARY_PATH=${ANDROID_HOME}/emulator/lib64:${ANDROID_HOME}/emulator/lib64/qt/lib && emulator64-arm -avd test -noaudio -no-boot-anim -no-window -accel on

README.md

@@ -10,6 +10,6 @@
 
 [Pobierz wersję beta](https://play.google.com/store/apps/details?id=io.github.wulkanowy&utm_source=vcs)
 
-[Pobierz wersję rozwojową](https://bitrise-redirector.herokuapp.com/v0.1/apps/daeff1893f3c8128/builds/master/artifacts/app-debug-bitrise-signed.apk)
+[Pobierz wersję DEV](https://bitrise-redirector.herokuapp.com/v0.1/apps/daeff1893f3c8128/builds/master/artifacts/0)
 
 Androidowy klient dziennika VULCAN UONET+.

api/build.gradle

@@ -119,29 +119,3 @@ artifacts {
     archives sourcesJar
     archives javadocJar
 }
-
-buildscript {
-    ext.kotlin_version = '1.2.41'
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
-}
-
-repositories {
-    mavenCentral()
-}
-
-compileKotlin {
-    kotlinOptions {
-        jvmTarget = "1.8"
-    }
-}
-
-compileTestKotlin {
-    kotlinOptions {
-        jvmTarget = "1.8"
-    }
-}

api/src/main/java/io/github/wulkanowy/api/Client.java

@@ -8,9 +8,11 @@ import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.util.Date;
+import java.util.List;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
+import io.github.wulkanowy.api.generic.School;
 import io.github.wulkanowy.api.login.Login;
 
 public class Client {
@@ -25,16 +27,21 @@ public class Client {
 
     private String symbol;
 
+    private String schoolId;
+
+    private List<School> schools;
+
     private Date lastSuccessRequest;
 
     private Cookies cookies = new Cookies();
 
     private static final Logger logger = LoggerFactory.getLogger(Client.class);
 
-    Client(String email, String password, String symbol) {
+    Client(String email, String password, String symbol, String schoolId) {
         this.email = email;
         this.password = password;
         this.symbol = symbol;
+        this.schoolId = schoolId;
 
         setFullEndpointInfo(email);
     }
@@ -62,14 +69,18 @@ public class Client {
             return;
         }
 
+        logger.info("Not logged. Login...");
+
         clearCookies();
-        this.symbol = new Login(this).login(email, password, symbol);
+        new Login(this).login(email, password, symbol);
+        lastSuccessRequest = new Date();
+
         logger.info("Login successful on {} at {}", getHost(), new Date());
     }
 
     private boolean isLoggedIn() {
-        logger.debug("Last success request: {}", lastSuccessRequest);
-        logger.debug("Cookies: {}", getCookies().size());
+        logger.trace("Last success request: {}", lastSuccessRequest);
+        logger.trace("Cookies: {}", getCookies().size());
 
         return getCookies().size() > 0 && lastSuccessRequest != null &&
                 5 > TimeUnit.MILLISECONDS.toMinutes(new Date().getTime() - lastSuccessRequest.getTime());
@@ -92,15 +103,30 @@ public class Client {
         cookies = new Cookies();
     }
 
-    String getHost() {
+    public String getHost() {
         return host;
     }
 
+    public void setSchools(List<School> schools) {
+        this.schools = schools;
+        this.schoolId = schools.get(0).getId();
+    }
+
+    public List<School> getSchools() throws IOException, VulcanException {
+        login();
+        return schools;
+    }
+
+    public String getSchoolId() throws IOException, VulcanException {
+        return schoolId != null ? schoolId : getSchools().get(0).getId();
+    }
+
     String getFilledUrl(String url) {
         return url
                 .replace("{schema}", protocol)
-                .replace("{host}", host.replace(":", "%253A"))
-                .replace("{symbol}", symbol);
+                .replace("{host}", host)
+                .replace("{symbol}", symbol)
+                .replace("{ID}", schoolId != null ? schoolId : "");
     }
 
     public Document getPageByUrl(String url) throws IOException, VulcanException {

api/src/main/java/io/github/wulkanowy/api/SnP.java

@@ -13,8 +13,6 @@ import io.github.wulkanowy.api.generic.Student;
 
 public interface SnP {
 
-    String getSchoolID();
-
     void setDiaryID(String id);
 
     String getStudentID();

api/src/main/java/io/github/wulkanowy/api/StudentAndParent.java

@@ -20,32 +20,27 @@ import io.github.wulkanowy.api.generic.Student;
 
 public class StudentAndParent implements SnP {
 
-    private static final String START_PAGE_URL = "{schema}://uonetplus.{host}/{symbol}/Start.mvc/Index";
-
     private static final String BASE_URL = "{schema}://uonetplus-opiekun.{host}/{symbol}/{ID}/";
 
     private static final String GRADES_PAGE_URL = "Oceny/Wszystkie";
 
     private Client client;
 
-    private String schoolID;
-
     private String studentID;
 
     private String diaryID;
 
     private static final Logger logger = LoggerFactory.getLogger(StudentAndParent.class);
 
-    StudentAndParent(Client client, String schoolID, String studentID, String diaryID) {
+    StudentAndParent(Client client, String studentID, String diaryID) {
         this.client = client;
-        this.schoolID = schoolID;
         this.studentID = studentID;
         this.diaryID = diaryID;
     }
 
     public StudentAndParent setUp() throws IOException, VulcanException {
         if (null == getStudentID() || "".equals(getStudentID())) {
-            Document doc = client.getPageByUrl(getSnpHomePageUrl());
+            Document doc = client.getPageByUrl(BASE_URL);
 
             if (doc.select("#idSection").isEmpty()) {
                 logger.error("Expected SnP page, got page with title: {} {}", doc.title(), doc.selectFirst("body"));
@@ -62,51 +57,10 @@ public class StudentAndParent implements SnP {
         return this;
     }
 
-    public String getSchoolID() {
-        return schoolID;
-    }
-
     public String getStudentID() {
         return studentID;
     }
 
-    private String getBaseUrl() {
-        return BASE_URL.replace("{ID}", getSchoolID());
-    }
-
-    String getSnpHomePageUrl() throws IOException, VulcanException {
-        if (null != getSchoolID()) {
-            return getBaseUrl();
-        }
-
-        // get url to uonetplus-opiekun.fakelog.cf
-        Document startPage = client.getPageByUrl(START_PAGE_URL);
-        Elements studentTileLink = startPage.select(".panel.linkownia.pracownik.klient > a");
-
-        logger.debug("studentTileLink: {}", studentTileLink.size());
-
-        if (studentTileLink.isEmpty()) {
-            throw new VulcanException("Na pewno używasz konta z dostępem do Witryny ucznia i rodzica?");
-        }
-
-        String snpPageUrl = studentTileLink.last().attr("href");
-
-        this.schoolID = getExtractedIdFromUrl(snpPageUrl);
-
-        return snpPageUrl;
-    }
-
-    String getExtractedIdFromUrl(String snpPageUrl) throws VulcanException {
-        String[] path = snpPageUrl.split(client.getHost())[1].split("/");
-
-        if (5 != path.length) {
-            logger.error("Expected snp url, got {}", snpPageUrl);
-            throw new VulcanException("Na pewno używasz konta z dostępem do Witryny ucznia i rodzica?");
-        }
-
-        return path[2];
-    }
-
     public String getRowDataChildValue(Element e, int index) {
         return e.select(".daneWiersz .wartosc").get(index - 1).text();
     }
@@ -120,7 +74,7 @@ public class StudentAndParent implements SnP {
         cookies.put("idBiezacyDziennik", diaryID);
         cookies.put("idBiezacyUczen", studentID);
 
-        Document doc = client.getPageByUrl(getBaseUrl() + url, true, cookies);
+        Document doc = client.getPageByUrl(BASE_URL + url, true, cookies);
 
         if (!doc.title().startsWith("Witryna ucznia i rodzica")) {
             logger.error("Expected SnP page, got page with title: {} {}", doc.title(), doc.selectFirst("body"));
@@ -135,7 +89,7 @@ public class StudentAndParent implements SnP {
     }
 
     public List<Diary> getDiaries() throws IOException, VulcanException {
-        return getDiaries(client.getPageByUrl(getBaseUrl()));
+        return getDiaries(client.getPageByUrl(BASE_URL));
     }
 
     private List<Diary> getDiaries(Document doc) throws IOException, VulcanException {
@@ -143,7 +97,7 @@ public class StudentAndParent implements SnP {
     }
 
     public List<Student> getStudents() throws IOException, VulcanException {
-        return getStudents(client.getPageByUrl(getBaseUrl()));
+        return getStudents(client.getPageByUrl(BASE_URL));
     }
 
     private List<Student> getStudents(Document doc) throws IOException, VulcanException {

api/src/main/java/io/github/wulkanowy/api/Vulcan.java

@@ -4,10 +4,12 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
+import java.util.List;
 
 import io.github.wulkanowy.api.attendance.AttendanceStatistics;
 import io.github.wulkanowy.api.attendance.AttendanceTable;
 import io.github.wulkanowy.api.exams.ExamsWeek;
+import io.github.wulkanowy.api.generic.School;
 import io.github.wulkanowy.api.grades.GradesList;
 import io.github.wulkanowy.api.grades.SubjectsList;
 import io.github.wulkanowy.api.messages.Messages;
@@ -27,8 +29,6 @@ public class Vulcan {
 
     private Client client;
 
-    private String schoolId;
-
     private String studentId;
 
     private String diaryId;
@@ -36,11 +36,10 @@ public class Vulcan {
     private static final Logger logger = LoggerFactory.getLogger(Vulcan.class);
 
     public void setCredentials(String email, String password, String symbol, String schoolId, String studentId, String diaryId) {
-        this.schoolId = schoolId;
         this.studentId = studentId;
         this.diaryId = diaryId;
 
-        client = new Client(email, password, symbol);
+        client = new Client(email, password, symbol, schoolId);
 
         logger.debug("Client created with symbol " + symbol);
     }
@@ -55,7 +54,10 @@ public class Vulcan {
 
     public String getSymbol() throws NotLoggedInErrorException {
         return getClient().getSymbol();
+    }
 
+    public List<School> getSchools() throws VulcanException, IOException {
+        return getClient().getSchools();
     }
 
     public SnP getStudentAndParent() throws VulcanException, IOException {
@@ -63,7 +65,7 @@ public class Vulcan {
             return this.snp;
         }
 
-        this.snp = new StudentAndParent(getClient(), schoolId, studentId, diaryId)
+        this.snp = new StudentAndParent(getClient(), studentId, diaryId)
                 .setUp();
 
         return this.snp;

api/src/main/java/io/github/wulkanowy/api/generic/School.kt

@@ -0,0 +1,7 @@
+package io.github.wulkanowy.api.generic
+
+data class School(
+    val name: String,
+    val id: String,
+    val current: Boolean
+)

api/src/main/java/io/github/wulkanowy/api/login/Login.java

@@ -16,8 +16,9 @@ import io.github.wulkanowy.api.VulcanException;
 
 public class Login {
 
-    static final String LOGIN_PAGE_URL = "{schema}://cufs.{host}/{symbol}/Account/LogOn" +
-            "?ReturnUrl=%2F{symbol}%2FFS%2FLS%3Fwa%3Dwsignin1.0%26wtrealm%3D" +
+    protected static final String LOGIN_PAGE_URL = "{schema}://cufs.{host}/{symbol}/Account/LogOn";
+
+    private static final String LOGIN_PAGE_URL_QUERY = "?ReturnUrl=%2F{symbol}%2FFS%2FLS%3Fwa%3Dwsignin1.0%26wtrealm%3D" +
             "{schema}%253a%252f%252fuonetplus.{host}%252f{symbol}%252fLoginEndpoint.aspx%26wctx%3D" +
             "{schema}%253a%252f%252fuonetplus.{host}%252f{symbol}%252fLoginEndpoint.aspx";
 
@@ -29,7 +30,7 @@ public class Login {
         this.client = client;
     }
 
-    public String login(String email, String password, String symbol) throws VulcanException, IOException {
+    public void login(String email, String password, String symbol) throws VulcanException, IOException {
         Document certDoc = sendCredentials(email, password);
 
         if ("Błąd".equals(certDoc.title())) {
@@ -37,7 +38,7 @@ public class Login {
             throw new NotLoggedInErrorException(certDoc.body().text());
         }
 
-        return sendCertificate(certDoc, symbol);
+        sendCertificate(certDoc, symbol);
     }
 
     Document sendCredentials(String email, String password) throws IOException, VulcanException {
@@ -46,7 +47,7 @@ public class Login {
                 {"Password", password}
         };
 
-        Document nextDoc = sendCredentialsData(credentials, LOGIN_PAGE_URL);
+        Document nextDoc = sendCredentialsData(credentials, LOGIN_PAGE_URL + LOGIN_PAGE_URL_QUERY.replace(":", "%253A"));
 
         Element errorMessage = nextDoc.selectFirst(".ErrorMessage, #ErrorTextLabel");
         if (null != errorMessage) {
@@ -86,7 +87,7 @@ public class Login {
         };
     }
 
-    String sendCertificate(Document doc, String defaultSymbol) throws IOException, VulcanException {
+    void sendCertificate(Document doc, String defaultSymbol) throws IOException, VulcanException {
         client.setSymbol(findSymbol(defaultSymbol, doc.select("input[name=wresult]").val()));
 
         Document targetDoc = sendCertData(doc);
@@ -106,7 +107,7 @@ public class Login {
             throw new LoginErrorException("Expected page title `UONET+`, got " + title);
         }
 
-        return client.getSymbol();
+        client.setSchools(new StartPage(client).getSchools(targetDoc));
     }
 
     private Document sendCertData(Document doc) throws IOException, VulcanException {

api/src/main/java/io/github/wulkanowy/api/login/StartPage.kt

@@ -0,0 +1,45 @@
+package io.github.wulkanowy.api.login
+
+import io.github.wulkanowy.api.Client
+import io.github.wulkanowy.api.VulcanException
+import io.github.wulkanowy.api.generic.School
+import org.jsoup.nodes.Document
+import org.slf4j.LoggerFactory
+
+class StartPage(val client: Client) {
+
+    private val logger = LoggerFactory.getLogger(StartPage::class.java)
+
+    fun getSchools(startPage: Document): MutableList<School> {
+        val schoolList = mutableListOf<School>()
+
+        val snpLinks = startPage.select(".panel.linkownia.pracownik.klient .appLink a")
+
+        logger.debug("SnP links: {}", snpLinks.size)
+
+        if (snpLinks.isEmpty()) {
+            throw VulcanException("Na pewno używasz konta z dostępem do Witryny ucznia i rodzica?")
+        }
+
+        snpLinks.map {
+            schoolList.add(School(
+                    it.text(),
+                    getExtractedIdFromUrl(it.attr("href")),
+                    it == snpLinks.first()
+            ))
+        }
+
+        return schoolList
+    }
+
+    internal fun getExtractedIdFromUrl(snpPageUrl: String): String {
+        val path = snpPageUrl.split(client.host).getOrNull(1)?.split("/")
+
+        if (6 != path?.size) {
+            logger.error("Expected snp url, got {}", snpPageUrl)
+            throw VulcanException("Na pewno używasz konta z dostępem do Witryny ucznia i rodzica?")
+        }
+
+        return path[2]
+    }
+}

api/src/test/java/io/github/wulkanowy/api/ClientTest.java

@@ -12,16 +12,24 @@ public class ClientTest {
     }
 
     @Test
-    public void setFullEndpointInfoTest() throws Exception {
-        Client client = new Client("http://fakelog.net\\\\admin", "pass", "Default");
+    public void setFullEndpointInfoTest() {
+        Client client = new Client("http://fakelog.cf\\\\admin", "pass", "Default", "123");
 
-        Assert.assertEquals("fakelog.net", client.getHost());
+        Assert.assertEquals("fakelog.cf", client.getHost());
         Assert.assertEquals("Default", client.getSymbol());
     }
 
+    @Test
+    public void setFullEndpointInfoWithSymbolTest() {
+        Client client = new Client("http://fakelog.cf/notdefault\\\\admin", "pass", "Default", "123");
+
+        Assert.assertEquals("fakelog.cf", client.getHost());
+        Assert.assertEquals("notdefault", client.getSymbol()); //
+    }
+
     @Test
     public void checkForNoErrorsTest() throws Exception {
-        Client client = new Client("", "", "");
+        Client client = new Client("", "", "", "123");
 
         Document doc = Jsoup.parse(getFixtureAsString("login/Logowanie-success.html"));
 
@@ -30,7 +38,7 @@ public class ClientTest {
 
     @Test(expected = VulcanOfflineException.class)
     public void checkForErrorsOffline() throws Exception {
-        Client client = new Client("", "", "");
+        Client client = new Client("", "", "", "123");
 
         Document doc = Jsoup.parse(getFixtureAsString("login/PrzerwaTechniczna.html"));
 
@@ -39,7 +47,7 @@ public class ClientTest {
 
     @Test(expected = NotLoggedInErrorException.class)
     public void checkForErrors() throws Exception {
-        Client client = new Client("", "", "");
+        Client client = new Client("", "", "", "123");
 
         Document doc = Jsoup.parse(getFixtureAsString("login/Logowanie-notLoggedIn.html"));
 
@@ -48,16 +56,23 @@ public class ClientTest {
 
     @Test
     public void getFilledUrlTest() throws Exception {
-        Client client = new Client("http://fakelog.cf\\\\admin", "", "symbol123");
+        Client client = new Client("http://fakelog.cf\\\\admin", "", "symbol123", "321");
 
-        Assert.assertEquals("http://uonetplus.fakelog.cf/symbol123/LoginEndpoint.aspx",
-                client.getFilledUrl("{schema}://uonetplus.{host}/{symbol}/LoginEndpoint.aspx"));
+        Assert.assertEquals("http://uonetplus-opiekun.fakelog.cf/symbol123/321/Oceny/Wszystkie",
+                client.getFilledUrl("{schema}://uonetplus-opiekun.{host}/{symbol}/{ID}/Oceny/Wszystkie"));
     }
 
     @Test
-    public void getSymbolTest() throws Exception {
-        Client client = new Client("", "", "symbol4321");
+    public void getSymbolTest() {
+        Client client = new Client("", "", "symbol4321", "123");
 
         Assert.assertEquals("symbol4321", client.getSymbol());
     }
+
+    @Test
+    public void getSchoolIdTest() throws Exception {
+        Client client = new Client("", "", "1", "123456");
+
+        Assert.assertEquals("123456", client.getSchoolId());
+    }
 }

api/src/test/java/io/github/wulkanowy/api/StudentAndParentTest.java

@@ -32,68 +32,13 @@ public class StudentAndParentTest {
 
     @Test
     public void snpTest() {
-        StudentAndParent snp = new StudentAndParent(client, "id123", null, null);
-        Assert.assertEquals("id123", snp.getSchoolID());
-    }
-
-    @Test
-    public void getSnpPageUrlWithIdTest() throws Exception {
-        Assert.assertEquals("{schema}://uonetplus-opiekun.{host}/{symbol}/123456/",
-                (new StudentAndParent(client, "123456", null, null)).getSnpHomePageUrl());
-    }
-
-    @Test
-    public void getSnpPageUrlWithoutIdTest() throws Exception {
-        String input = FixtureHelper.getAsString(getClass().getResourceAsStream("Start.html"));
-        Document startPageDocument = Jsoup.parse(input);
-
-        Mockito.when(client.getHost()).thenReturn("vulcan.net.pl");
-        Mockito.when(client.getPageByUrl(Mockito.anyString())).thenReturn(startPageDocument);
-        StudentAndParent snp = new StudentAndParent(client, null, null, null);
-
-        Assert.assertEquals("https://uonetplus-opiekun.vulcan.net.pl/symbol/534213/Start/Index/",
-                snp.getSnpHomePageUrl());
-    }
-
-    @Test(expected = VulcanException.class)
-    public void getSnpPageUrlWithWrongPage() throws Exception {
-        Document wrongPageDocument = Jsoup.parse(
-                FixtureHelper.getAsString(getClass().getResourceAsStream("OcenyWszystkie-semester.html"))
-        );
-
-        Mockito.when(client.getPageByUrl(Mockito.anyString())).thenReturn(wrongPageDocument);
-        StudentAndParent snp = new StudentAndParent(client, null, null, null);
-
-        snp.getSnpHomePageUrl();
-    }
-
-    @Test
-    public void getExtractedIDStandardTest() throws Exception {
-        Mockito.when(client.getHost()).thenReturn("vulcan.net.pl");
-        StudentAndParent snp = new StudentAndParent(client, "symbol", null, null);
-        Assert.assertEquals("123456", snp.getExtractedIdFromUrl("https://uonetplus-opiekun"
-                + ".vulcan.net.pl/powiat/123456/Start/Index/"));
-    }
-
-    @Test
-    public void getExtractedIDDemoTest() throws Exception {
-        Mockito.when(client.getHost()).thenReturn("vulcan.net.pl");
-        StudentAndParent snp = new StudentAndParent(client, "symbol", null, null);
-        Assert.assertEquals("demo12345",
-                snp.getExtractedIdFromUrl("https://uonetplus-opiekun.vulcan.net.pl/demoupowiat/demo12345/Start/Index/"));
-    }
-
-    @Test(expected = VulcanException.class)
-    public void getExtractedIDNotLoggedTest() throws Exception {
-        Mockito.when(client.getHost()).thenReturn("vulcan.net.pl");
-        StudentAndParent snp = new StudentAndParent(client, "symbol", null, null);
-        Assert.assertEquals("123",
-                snp.getExtractedIdFromUrl("https://uonetplus.vulcan.net.pl/powiat/"));
+        StudentAndParent snp = new StudentAndParent(client, "1234", null);
+        Assert.assertEquals("1234", snp.getStudentID());
     }
 
     @Test
     public void getSemestersTest() throws Exception {
-        SnP snp = new StudentAndParent(client, "123456", null, null);
+        SnP snp = new StudentAndParent(client, null, null);
         List<Semester> semesters = snp.getSemesters();
 
         Assert.assertEquals(2, semesters.size());
@@ -113,7 +58,7 @@ public class StudentAndParentTest {
         semesters.add(new Semester().setName("1500100900").setId("1").setCurrent(false));
         semesters.add(new Semester().setName("1500100901").setId("2").setCurrent(true));
 
-        SnP snp = new StudentAndParent(client, "", null, null);
+        SnP snp = new StudentAndParent(client, null, null);
         Semester semester = snp.getCurrent(semesters);
 
         Assert.assertTrue(semester.isCurrent());
@@ -123,7 +68,7 @@ public class StudentAndParentTest {
 
     @Test
     public void getCurrentSemesterFromEmptyTest() {
-        SnP snp = new StudentAndParent(client, "", null, null);
+        SnP snp = new StudentAndParent(client, null, null);
         List<Semester> semesters = new ArrayList<>();
 
         Assert.assertNull(snp.getCurrent(semesters));
@@ -136,7 +81,7 @@ public class StudentAndParentTest {
 
         client = Mockito.mock(Client.class);
         Mockito.when(client.getPageByUrl(Mockito.anyString())).thenReturn(snpHome);
-        SnP snp = new StudentAndParent(client, "", null, null);
+        SnP snp = new StudentAndParent(client, null, null);
 
         snp.setUp();
 

api/src/test/java/io/github/wulkanowy/api/login/LoginTest.java

@@ -38,9 +38,11 @@ public class LoginTest {
                 .thenReturn(getFixtureAsDocument("Logowanie-certyfikat.html"));
         Mockito.doCallRealMethod().when(client).setSymbol(Mockito.anyString());
         Mockito.when(client.getSymbol()).thenCallRealMethod();
+        Mockito.when(client.getHost()).thenReturn("fakelog.cf");
         Login login = new Login(client);
+        login.login("a@a", "pswd", "d123");
 
-        Assert.assertEquals("d123", login.login("a@a", "pswd", "d123"));
+        Assert.assertEquals("d123", client.getSymbol());
     }
 
     @Test(expected = BadCredentialsException.class)
@@ -74,10 +76,12 @@ public class LoginTest {
         Client client = getClient("Logowanie-success.html");
         Mockito.doCallRealMethod().when(client).setSymbol(Mockito.anyString());
         Mockito.when(client.getSymbol()).thenCallRealMethod();
+        Mockito.when(client.getHost()).thenReturn("fakelog.cf");
         Login login = new Login(client);
 
-        Assert.assertEquals("wulkanowyschool321", login.sendCertificate(
-                getFixtureAsDocument("Logowanie-certyfikat.html"), "wulkanowyschool321"));
+        login.sendCertificate(getFixtureAsDocument("Logowanie-certyfikat.html"), "wulkanowyschool321");
+
+        Assert.assertEquals("wulkanowyschool321", client.getSymbol());
     }
 
     @Test
@@ -85,10 +89,12 @@ public class LoginTest {
         Client client = getClient("Logowanie-success.html");
         Mockito.doCallRealMethod().when(client).setSymbol(Mockito.anyString());
         Mockito.when(client.getSymbol()).thenCallRealMethod();
+        Mockito.when(client.getHost()).thenReturn("fakelog.cf");
         Login login = new Login(client);
 
-        Assert.assertEquals("demo12345",
-                login.sendCertificate(getFixtureAsDocument("Logowanie-certyfikat.html"), "Default"));
+        login.sendCertificate(getFixtureAsDocument("Logowanie-certyfikat.html"), "Default");
+
+        Assert.assertEquals("demo12345", client.getSymbol());
     }
 
     @Test(expected = AccountPermissionException.class)

api/src/test/java/io/github/wulkanowy/api/login/StartPageTest.kt

@@ -0,0 +1,68 @@
+package io.github.wulkanowy.api.login
+
+import io.github.wulkanowy.api.Client
+import io.github.wulkanowy.api.FixtureHelper
+import io.github.wulkanowy.api.VulcanException
+import org.jsoup.Jsoup
+import org.jsoup.nodes.Document
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mockito
+import org.mockito.Mockito.mock
+
+class StartPageTest {
+
+    private val client: Client = mock(Client::class.java)
+
+    @Before fun setUp() {
+        Mockito.`when`(client.host).thenReturn("fakelog.cf")
+    }
+
+    private fun getDoc(name: String): Document = Jsoup.parse(FixtureHelper.getAsString(javaClass.getResourceAsStream(name)))
+
+    @Test fun getSchoolTest() {
+        assertEquals("534213", StartPage(client).getSchools(getDoc("../Start-std.html"))[0].id)
+    }
+
+    @Test fun getMultiSchoolTest() {
+        val schools = StartPage(client).getSchools(getDoc("../Start-multi.html"))
+
+        assertEquals("123456", schools[0].id)
+        assertEquals("123457", schools[1].id)
+    }
+
+    @Test fun getSchoolNameTest() {
+        assertEquals("Uczeń", StartPage(client).getSchools(getDoc("../Start-std.html"))[0].name)
+    }
+
+    @Test fun getMultiSchoolNameTest() {
+        val schools = StartPage(client).getSchools(getDoc("../Start-multi.html"))
+
+        assertEquals("GIMBB", schools[0].name)
+        assertEquals("SPBB", schools[1].name)
+    }
+
+    @Test(expected = VulcanException::class)
+    fun getSnpPageUrlWithWrongPage() {
+        StartPage(client).getSchools(getDoc("../OcenyWszystkie-semester.html"))
+    }
+
+    @Test
+    fun getExtractedIDStandardTest() {
+        assertEquals("123456", StartPage(client)
+                .getExtractedIdFromUrl("https://uonetplus-opiekun.fakelog.cf/powiat/123456/Start/Index/"))
+    }
+
+    @Test
+    fun getExtractedIDDemoTest() {
+        assertEquals("demo12345", StartPage(client)
+                .getExtractedIdFromUrl("https://uonetplus-opiekun.fakelog.cf/demoupowiat/demo12345/Start/Index/"))
+    }
+
+    @Test(expected = VulcanException::class)
+    fun getExtractedIDNotLoggedTest() {
+        assertEquals("123", StartPage(client)
+                .getExtractedIdFromUrl("https://uonetplus.NOTfakelog.cf/powiat/"))
+    }
+}

api/src/test/resources/io/github/wulkanowy/api/Start-multi.html

@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>Uonet+</title>
+  </head>
+  <body>
+    <div class="startScreen">
+      <div class="holder">
+        <div class="content">
+          <div class="panel linkownia pracownik klient">
+            <div id="idAppUczen" class="subDiv">
+              <div class="appLink">
+                <a href="https://uonetplus-opiekun.fakelog.cf/symbol/123456/Start/Index/">
+                  <span class="header directLink">GIMBB</span>
+                </a>
+                <br>
+                <a href="https://uonetplus-opiekun.fakelog.cf/symbol/123457/Start/Index/">
+                  <span class="header directLink">SPBB</span>
+                </a>
+                <br>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </body>
+</html>

api/src/test/resources/io/github/wulkanowy/api/Start-std.html

@@ -9,13 +9,15 @@
       <div class="holder">
         <div class="content">
           <div class="panel linkownia pracownik klient">
-            <a href="https://uonetplus-opiekun.vulcan.net.pl/symbol/534213/Start/Index/">
-              <div class="imagedHeader directLink">
-                <div id="idEmptyAppUczeń">
-                  <div class="name">Uczeń</div>
+            <div class="appLink">
+              <a href="https://uonetplus-opiekun.fakelog.cf/symbol/534213/Start/Index/">
+                <div class="imagedHeader directLink">
+                  <div id="idEmptyAppUczeń">
+                    <div class="name">Uczeń</div>
+                  </div>
                 </div>
-              </div>
-            </a>
+              </a>
+            </div>
           </div>
         </div>
       </div>

api/src/test/resources/io/github/wulkanowy/api/login/Logowanie-success.html

@@ -11,6 +11,21 @@
           <span class="userdata">example@wulkanowy.io (<a href="/demo123/LoginEndpoint.aspx?logout=true">wyloguj</a>)</span>
         </div>
       </div>
+      <div class="holder">
+        <div class="content">
+          <div class="panel linkownia pracownik klient">
+            <div class="appLink">
+              <a href="https://uonetplus-opiekun.fakelog.cf/symbol/534213/Start/Index/">
+                <div class="imagedHeader directLink">
+                  <div id="idEmptyAppUczeń">
+                    <div class="name">Uczeń</div>
+                  </div>
+                </div>
+              </a>
+            </div>
+          </div>
+        </div>
+      </div>
     </div>
   </body>
 </html>

app/android-sonarqube.gradle

@@ -5,7 +5,7 @@ sonarqube {
     //noinspection GroovyAssignabilityCheck
     properties {
         def files = fileTree("${rootProject.projectDir}/api/build/libs/").filter { it.isFile() }.files.name
-        def libraries = project.android.sdkDirectory.getPath() + "/platforms/android-26/android.jar," +
+        def libraries = project.android.sdkDirectory.getPath() + "/platforms/android-27/android.jar," +
                 "${project.rootDir}/api/build/libs/" + files[0]
 
         property "sonar.projectName", GROUP_ID + ":app"

app/build.gradle

@@ -1,3 +1,13 @@
+apply plugin: 'org.greenrobot.greendao'
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-kapt' // sync warning probably caused by bug https://issuetracker.google.com/issues/74537216
+apply plugin: 'io.fabric'
+apply from: 'jacoco.gradle'
+apply from: 'android-sonarqube.gradle'
+apply plugin: 'com.google.gms.oss.licenses.plugin'
+apply plugin: 'com.github.triplet.play'
+
 buildscript {
     repositories {
         maven { url "https://plugins.gradle.org/m2/" }
@@ -17,16 +27,8 @@ repositories {
     maven { url 'https://maven.fabric.io/public' }
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'org.greenrobot.greendao'
-apply plugin: 'io.fabric'
-apply from: '../jacoco.gradle'
-apply from: '../android-sonarqube.gradle'
-apply plugin: 'com.google.gms.oss.licenses.plugin'
-apply plugin: 'com.github.triplet.play'
-
 android {
-    compileSdkVersion 26
+    compileSdkVersion 27
     buildToolsVersion '27.0.3'
 
     playAccountConfigs {
@@ -40,9 +42,9 @@ android {
         applicationId "io.github.wulkanowy"
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 15
-        targetSdkVersion 26
-        versionCode 14
-        versionName "0.5.0"
+        targetSdkVersion 27
+        versionCode 16
+        versionName "0.5.2"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
         playAccountConfig = playAccountConfigs.defaultAccountConfig
@@ -91,7 +93,7 @@ play {
 }
 
 greendao {
-    schemaVersion 28
+    schemaVersion 29
     generateTests = true
 }
 
@@ -101,6 +103,7 @@ configurations.all {
 
 dependencies {
     implementation project(':api')
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "com.android.support:support-v4:$supportVersion"
     implementation "com.android.support:design:$supportVersion"
     implementation "com.android.support:cardview-v7:$supportVersion"
@@ -117,7 +120,6 @@ dependencies {
     implementation "com.aurelhubert:ahbottomnavigation:$ahbottom"
     implementation "com.jakewharton.threetenabp:threetenabp:$threeTenABP"
     implementation "com.google.android.gms:play-services-oss-licenses:$ossLicenses"
-
     implementation "com.jakewharton.timber:timber:$timber"
     implementation "at.favre.lib:slf4j-timber:$slf4jTimber"
 
@@ -128,12 +130,11 @@ dependencies {
         transitive = true
     }
 
-    annotationProcessor "com.google.dagger:dagger-android-processor:$dagger2"
-    annotationProcessor "com.google.dagger:dagger-compiler:$dagger2"
-    annotationProcessor "com.jakewharton:butterknife-compiler:$butterknife"
+    kapt "com.google.dagger:dagger-compiler:$dagger2"
+    kapt "com.google.dagger:dagger-android-processor:$dagger2"
+    kapt "com.jakewharton:butterknife-compiler:$butterknife"
 
     debugImplementation "com.amitshekhar.android:debug-db:$debugDb"
-    debugImplementation "net.zetetic:android-database-sqlcipher:$sqlcipher"
 
     testImplementation "junit:junit:$junit"
     testImplementation "org.mockito:mockito-core:$mockito"

app/jacoco.gradle

@@ -0,0 +1,56 @@
+apply plugin: "jacoco"
+
+jacoco {
+    toolVersion "0.8.1"
+    reportsDir = file("$buildDir/reports")
+}
+
+tasks.withType(Test) {
+    jacoco.includeNoLocationClasses = true
+}
+
+// run ./gradlew clean createDebugCoverageReport jacocoTestReport
+task jacocoTestReport(type: JacocoReport) {
+
+    group = "Reporting"
+    description = "Generate Jacoco coverage reports"
+
+    reports {
+        xml.enabled = true
+        html.enabled = true
+    }
+
+    def excludes = [
+            "**/R.class",
+            "**/R\$*.class",
+            "**/*\$ViewInjector*.*",
+            "**/BuildConfig.*",
+            "**/Manifest*.*",
+            "**/*Test*.*",
+            "android/**/*.*",
+            "**/*Fragment.*",
+            "**/*Activity.*"
+    ]
+
+    // generated classes
+    classDirectories = fileTree(
+            // Java generated classes on Android project (debug build)
+            dir: "$buildDir/intermediates/classes/debug",
+            excludes: excludes
+    ) + fileTree(
+            // Kotlin generated classes on Android project (debug build)
+            dir: "$buildDir/tmp/kotlin-classes/debug",
+            excludes: excludes
+    )
+
+    // sources
+    sourceDirectories = files([
+            android.sourceSets.main.java.srcDirs,
+            "src/main/kotlin"
+    ])
+
+    executionData = fileTree(
+            dir: project.projectDir,
+            includes: ["**/*.exec" , "**/*.ec"]
+    )
+}

app/src/androidTest/java/io/github/wulkanowy/data/db/dao/entities/SchoolTest.java

@@ -0,0 +1,22 @@
+package io.github.wulkanowy.data.db.dao.entities;
+
+import org.greenrobot.greendao.test.AbstractDaoTestLongPk;
+
+import io.github.wulkanowy.data.db.dao.entities.School;
+import io.github.wulkanowy.data.db.dao.entities.SchoolDao;
+
+public class SchoolTest extends AbstractDaoTestLongPk<SchoolDao, School> {
+
+    public SchoolTest() {
+        super(SchoolDao.class);
+    }
+
+    @Override
+    protected School createEntity(Long key) {
+        School entity = new School();
+        entity.setId(key);
+        entity.setCurrent(false);
+        return entity;
+    }
+
+}

app/src/main/java/io/github/wulkanowy/data/db/dao/DbContract.java

@@ -17,6 +17,8 @@ public interface DbContract {
 
     List<Grade> getNewGrades(int semesterName);
 
+    long getCurrentSchoolId();
+
     long getCurrentStudentId();
 
     long getCurrentSymbolId();

app/src/main/java/io/github/wulkanowy/data/db/dao/DbHelper.java

@@ -21,6 +21,7 @@ import io.github.wulkanowy.data.db.dao.migrations.Migration23;
 import io.github.wulkanowy.data.db.dao.migrations.Migration26;
 import io.github.wulkanowy.data.db.dao.migrations.Migration27;
 import io.github.wulkanowy.data.db.dao.migrations.Migration28;
+import io.github.wulkanowy.data.db.dao.migrations.Migration29;
 import io.github.wulkanowy.data.db.shared.SharedPrefContract;
 import timber.log.Timber;
 
@@ -79,6 +80,7 @@ public class DbHelper extends DaoMaster.OpenHelper {
         migrations.add(new Migration26());
         migrations.add(new Migration27());
         migrations.add(new Migration28());
+        migrations.add(new Migration29());
 
         // Sorting just to be safe, in case other people add migrations in the wrong order.
         Comparator<Migration> migrationComparator = new Comparator<Migration>() {

app/src/main/java/io/github/wulkanowy/data/db/dao/DbRepository.java

@@ -11,6 +11,7 @@ import io.github.wulkanowy.data.db.dao.entities.DaoSession;
 import io.github.wulkanowy.data.db.dao.entities.DiaryDao;
 import io.github.wulkanowy.data.db.dao.entities.Grade;
 import io.github.wulkanowy.data.db.dao.entities.GradeDao;
+import io.github.wulkanowy.data.db.dao.entities.SchoolDao;
 import io.github.wulkanowy.data.db.dao.entities.Semester;
 import io.github.wulkanowy.data.db.dao.entities.SemesterDao;
 import io.github.wulkanowy.data.db.dao.entities.StudentDao;
@@ -72,10 +73,18 @@ public class DbRepository implements DbContract {
         return getCurrentSymbol().getId();
     }
 
+    @Override
+    public long getCurrentSchoolId() {
+        return daoSession.getSchoolDao().queryBuilder().where(
+                SchoolDao.Properties.SymbolId.eq(getCurrentSymbolId()),
+                SchoolDao.Properties.Current.eq(true)
+        ).unique().getId();
+    }
+
     @Override
     public long getCurrentStudentId() {
         return daoSession.getStudentDao().queryBuilder().where(
-                StudentDao.Properties.SymbolId.eq(getCurrentSymbolId()),
+                StudentDao.Properties.SchoolId.eq(getCurrentSchoolId()),
                 StudentDao.Properties.Current.eq(true)
         ).unique().getId();
     }

app/src/main/java/io/github/wulkanowy/data/db/dao/entities/School.java

@@ -0,0 +1,179 @@
+package io.github.wulkanowy.data.db.dao.entities;
+
+import org.greenrobot.greendao.DaoException;
+import org.greenrobot.greendao.annotation.Entity;
+import org.greenrobot.greendao.annotation.Generated;
+import org.greenrobot.greendao.annotation.Id;
+import org.greenrobot.greendao.annotation.Property;
+import org.greenrobot.greendao.annotation.ToMany;
+
+import java.util.List;
+
+@Entity(
+        nameInDb = "Schools",
+        active = true
+)
+public class School {
+
+    @Id(autoincrement = true)
+    private Long id;
+
+    @Property(nameInDb = "symbol_id")
+    private Long symbolId;
+
+    @Property(nameInDb = "current")
+    private boolean current;
+
+    @Property(nameInDb = "real_id")
+    private String realId;
+
+    @Property(nameInDb = "name")
+    private String name;
+
+    @ToMany(referencedJoinProperty = "schoolId")
+    private List<Student> studentList;
+
+    /**
+     * Used to resolve relations
+     */
+    @Generated(hash = 2040040024)
+    private transient DaoSession daoSession;
+
+    /**
+     * Used for active entity operations.
+     */
+    @Generated(hash = 1796006707)
+    private transient SchoolDao myDao;
+
+    @Generated(hash = 975562398)
+    public School(Long id, Long symbolId, boolean current, String realId,
+                  String name) {
+        this.id = id;
+        this.symbolId = symbolId;
+        this.current = current;
+        this.realId = realId;
+        this.name = name;
+    }
+
+    @Generated(hash = 1579966795)
+    public School() {
+    }
+
+    public Long getId() {
+        return this.id;
+    }
+
+    public School setId(Long id) {
+        this.id = id;
+        return this;
+    }
+
+    public Long getSymbolId() {
+        return this.symbolId;
+    }
+
+    public School setSymbolId(Long symbolId) {
+        this.symbolId = symbolId;
+        return this;
+    }
+
+    public boolean getCurrent() {
+        return this.current;
+    }
+
+    public School setCurrent(boolean current) {
+        this.current = current;
+        return this;
+    }
+
+    public String getRealId() {
+        return this.realId;
+    }
+
+    public School setRealId(String realId) {
+        this.realId = realId;
+        return this;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public School setName(String name) {
+        this.name = name;
+        return this;
+    }
+
+    /**
+     * To-many relationship, resolved on first access (and after reset).
+     * Changes to to-many relations are not persisted, make changes to the target entity.
+     */
+    @Generated(hash = 180118651)
+    public List<Student> getStudentList() {
+        if (studentList == null) {
+            final DaoSession daoSession = this.daoSession;
+            if (daoSession == null) {
+                throw new DaoException("Entity is detached from DAO context");
+            }
+            StudentDao targetDao = daoSession.getStudentDao();
+            List<Student> studentListNew = targetDao._querySchool_StudentList(id);
+            synchronized (this) {
+                if (studentList == null) {
+                    studentList = studentListNew;
+                }
+            }
+        }
+        return studentList;
+    }
+
+    /**
+     * Resets a to-many relationship, making the next get call to query for a fresh result.
+     */
+    @Generated(hash = 1628625923)
+    public synchronized void resetStudentList() {
+        studentList = null;
+    }
+
+    /**
+     * Convenient call for {@link org.greenrobot.greendao.AbstractDao#delete(Object)}.
+     * Entity must attached to an entity context.
+     */
+    @Generated(hash = 128553479)
+    public void delete() {
+        if (myDao == null) {
+            throw new DaoException("Entity is detached from DAO context");
+        }
+        myDao.delete(this);
+    }
+
+    /**
+     * Convenient call for {@link org.greenrobot.greendao.AbstractDao#refresh(Object)}.
+     * Entity must attached to an entity context.
+     */
+    @Generated(hash = 1942392019)
+    public void refresh() {
+        if (myDao == null) {
+            throw new DaoException("Entity is detached from DAO context");
+        }
+        myDao.refresh(this);
+    }
+
+    /**
+     * Convenient call for {@link org.greenrobot.greendao.AbstractDao#update(Object)}.
+     * Entity must attached to an entity context.
+     */
+    @Generated(hash = 713229351)
+    public void update() {
+        if (myDao == null) {
+            throw new DaoException("Entity is detached from DAO context");
+        }
+        myDao.update(this);
+    }
+
+    /** called by internal mechanisms, do not call yourself. */
+    @Generated(hash = 234091322)
+    public void __setDaoSession(DaoSession daoSession) {
+        this.daoSession = daoSession;
+        myDao = daoSession != null ? daoSession.getSchoolDao() : null;
+    }
+}

app/src/main/java/io/github/wulkanowy/data/db/dao/entities/Student.java

@@ -18,8 +18,8 @@ public class Student {
     @Id(autoincrement = true)
     private Long id;
 
-    @Property(nameInDb = "symbol_id")
-    private Long symbolId;
+    @Property(nameInDb = "school_id")
+    private Long schoolId;
 
     @Property(nameInDb = "current")
     private boolean current;
@@ -45,10 +45,10 @@ public class Student {
     @Generated(hash = 1943931642)
     private transient StudentDao myDao;
 
-    @Generated(hash = 1334215952)
-    public Student(Long id, Long symbolId, boolean current, String realId, String name) {
+    @Generated(hash = 470181623)
+    public Student(Long id, Long schoolId, boolean current, String realId, String name) {
         this.id = id;
-        this.symbolId = symbolId;
+        this.schoolId = schoolId;
         this.current = current;
         this.realId = realId;
         this.name = name;
@@ -66,12 +66,12 @@ public class Student {
         this.id = id;
     }
 
-    public Long getSymbolId() {
-        return this.symbolId;
+    public Long getSchoolId() {
+        return this.schoolId;
     }
 
-    public Student setSymbolId(Long symbolId) {
-        this.symbolId = symbolId;
+    public Student setSchoolId(Long schoolId) {
+        this.schoolId = schoolId;
         return this;
     }
 

app/src/main/java/io/github/wulkanowy/data/db/dao/entities/Symbol.java

@@ -24,9 +24,6 @@ public class Symbol {
     @Property(nameInDb = "host")
     private String host;
 
-    @Property(nameInDb = "school_id")
-    private String schoolId;
-
     @Property(nameInDb = "symbol")
     private String symbol;
 
@@ -34,7 +31,7 @@ public class Symbol {
     private String type;
 
     @ToMany(referencedJoinProperty = "symbolId")
-    private List<Student> studentList;
+    private List<School> schoolList;
 
     /**
      * Used to resolve relations
@@ -48,13 +45,11 @@ public class Symbol {
     @Generated(hash = 684907977)
     private transient SymbolDao myDao;
 
-    @Generated(hash = 242774339)
-    public Symbol(Long id, Long userId, String host, String schoolId, String symbol,
-                  String type) {
+    @Generated(hash = 1034469460)
+    public Symbol(Long id, Long userId, String host, String symbol, String type) {
         this.id = id;
         this.userId = userId;
         this.host = host;
-        this.schoolId = schoolId;
         this.symbol = symbol;
         this.type = type;
     }
@@ -89,15 +84,6 @@ public class Symbol {
         return this;
     }
 
-    public String getSchoolId() {
-        return this.schoolId;
-    }
-
-    public Symbol setSchoolId(String schoolId) {
-        this.schoolId = schoolId;
-        return this;
-    }
-
     public String getSymbol() {
         return this.symbol;
     }
@@ -120,30 +106,28 @@ public class Symbol {
      * To-many relationship, resolved on first access (and after reset).
      * Changes to to-many relations are not persisted, make changes to the target entity.
      */
-    @Generated(hash = 604366458)
-    public List<Student> getStudentList() {
-        if (studentList == null) {
+    @Generated(hash = 1733082867)
+    public List<School> getSchoolList() {
+        if (schoolList == null) {
             final DaoSession daoSession = this.daoSession;
             if (daoSession == null) {
                 throw new DaoException("Entity is detached from DAO context");
             }
-            StudentDao targetDao = daoSession.getStudentDao();
-            List<Student> studentListNew = targetDao._querySymbol_StudentList(id);
+            SchoolDao targetDao = daoSession.getSchoolDao();
+            List<School> schoolListNew = targetDao._querySymbol_SchoolList(id);
             synchronized (this) {
-                if (studentList == null) {
-                    studentList = studentListNew;
+                if (schoolList == null) {
+                    schoolList = schoolListNew;
                 }
             }
         }
-        return studentList;
+        return schoolList;
     }
 
-    /**
-     * Resets a to-many relationship, making the next get call to query for a fresh result.
-     */
-    @Generated(hash = 1628625923)
-    public synchronized void resetStudentList() {
-        studentList = null;
+    /** Resets a to-many relationship, making the next get call to query for a fresh result. */
+    @Generated(hash = 1757777300)
+    public synchronized void resetSchoolList() {
+        schoolList = null;
     }
 
     /**

app/src/main/java/io/github/wulkanowy/data/db/dao/migrations/Migration27.java

@@ -15,7 +15,7 @@ public class Migration27 implements DbHelper.Migration {
     }
 
     @Override
-    public void runMigration(Database db, SharedPrefContract sharedPref, Vulcan vulcan) throws Exception {
+    public void runMigration(Database db, SharedPrefContract sharedPref, Vulcan vulcan) {
         ExamDao.dropTable(db, true);
         ExamDao.createTable(db, true);
 

app/src/main/java/io/github/wulkanowy/data/db/dao/migrations/Migration29.kt

@@ -0,0 +1,60 @@
+package io.github.wulkanowy.data.db.dao.migrations
+
+import android.database.Cursor
+
+import org.greenrobot.greendao.database.Database
+
+import io.github.wulkanowy.api.Vulcan
+import io.github.wulkanowy.data.db.dao.DbHelper
+import io.github.wulkanowy.data.db.shared.SharedPrefContract
+
+class Migration29 : DbHelper.Migration {
+
+    override fun getVersion(): Int? {
+        return 29
+    }
+
+    override fun runMigration(db: Database, sharedPref: SharedPrefContract, vulcan: Vulcan) {
+        createSchoolsTable(db)
+        modifyStudents(db)
+        insertSchool(db, getRealSchoolId(db))
+    }
+
+    private fun createSchoolsTable(db: Database) {
+        db.execSQL("DROP TABLE IF EXISTS \"Schools\";")
+        db.execSQL("CREATE TABLE IF NOT EXISTS \"Schools\" (" + //
+                "\"_id\" INTEGER PRIMARY KEY AUTOINCREMENT ," + // 0: id
+                "\"symbol_id\" INTEGER," + // 1: symbolId
+                "\"current\" INTEGER NOT NULL ," + // 2: current
+                "\"real_id\" TEXT," + // 3: realId
+                "\"name\" TEXT);") // 4: name
+    }
+
+    private fun modifyStudents(db: Database) {
+        db.execSQL("ALTER TABLE Students ADD COLUMN school_id INTEGER")
+        db.execSQL("UPDATE Students SET school_id = '1'")
+    }
+
+    private fun getRealSchoolId(db: Database): String {
+        var cursor: Cursor? = null
+        try {
+            cursor = db.rawQuery("SELECT school_id FROM Symbols WHERE _id=?", arrayOf("1"))
+
+            return if (cursor!!.count > 0) {
+                cursor.moveToFirst()
+                cursor.getString(cursor.getColumnIndex("school_id"))
+            } else ""
+        } finally {
+            cursor!!.close()
+        }
+    }
+
+    private fun insertSchool(db: Database, realId: String) {
+        db.execSQL("INSERT INTO Schools(symbol_id, current, real_id, name) VALUES(" +
+                "\"1\"," +
+                "\"1\"," +
+                "\"" + realId + "\"," +
+                "\"Uczeń\"" +
+                ")")
+    }
+}

app/src/main/java/io/github/wulkanowy/data/sync/AccountSync.java

@@ -17,6 +17,8 @@ import io.github.wulkanowy.data.db.dao.entities.DaoMaster;
 import io.github.wulkanowy.data.db.dao.entities.DaoSession;
 import io.github.wulkanowy.data.db.dao.entities.Diary;
 import io.github.wulkanowy.data.db.dao.entities.DiaryDao;
+import io.github.wulkanowy.data.db.dao.entities.School;
+import io.github.wulkanowy.data.db.dao.entities.SchoolDao;
 import io.github.wulkanowy.data.db.dao.entities.Semester;
 import io.github.wulkanowy.data.db.dao.entities.Student;
 import io.github.wulkanowy.data.db.dao.entities.StudentDao;
@@ -57,12 +59,15 @@ public class AccountSync {
 
         daoSession.getDatabase().beginTransaction();
 
+        Timber.i("Register start");
+
         try {
             Account account = insertAccount(email, password);
             Symbol symbolEntity = insertSymbol(account);
-            insertStudents(symbolEntity);
-            insertDiaries(symbolEntity);
-            insertSemesters();
+            School schoolEntity = insertSchools(symbolEntity);
+            Student student = insertStudents(schoolEntity);
+            Diary diary = insertDiaries(student);
+            insertSemesters(diary);
 
             sharedPref.setCurrentUserId(account.getId());
 
@@ -70,6 +75,8 @@ public class AccountSync {
         } finally {
             daoSession.getDatabase().endTransaction();
         }
+
+        Timber.i("Register end");
     }
 
     private Account insertAccount(String email, String password) throws CryptoException {
@@ -82,44 +89,64 @@ public class AccountSync {
     }
 
     private Symbol insertSymbol(Account account) throws VulcanException, IOException {
-        String schoolId = vulcan.getStudentAndParent().getSchoolID();
-        Timber.d("Register symbol %s", vulcan.getSymbol());
+        vulcan.getSchools();
+        Timber.d("Register symbol (%s)", vulcan.getSymbol());
         Symbol symbol = new Symbol()
                 .setUserId(account.getId())
-                .setSchoolId(schoolId)
                 .setSymbol(vulcan.getSymbol());
         daoSession.getSymbolDao().insert(symbol);
 
         return symbol;
     }
 
-    private void insertStudents(Symbol symbol) throws VulcanException, IOException {
-        List<Student> studentList = DataObjectConverter.studentsToStudentEntities(
-                vulcan.getStudentAndParent().getStudents(),
+    private School insertSchools(Symbol symbol) throws VulcanException, IOException {
+        List<School> schoolList = DataObjectConverter.schoolsToSchoolsEntities(
+                vulcan.getSchools(),
                 symbol.getId()
         );
-        Timber.d("Register students %s", studentList.size());
-        daoSession.getStudentDao().insertInTx(studentList);
+        Timber.d("Register schools (%s)", schoolList.size());
+        daoSession.getSchoolDao().insertInTx(schoolList);
+
+        return daoSession.getSchoolDao().queryBuilder().where(
+                SchoolDao.Properties.SymbolId.eq(symbol.getId()),
+                SchoolDao.Properties.Current.eq(true)
+        ).unique();
     }
 
-    private void insertDiaries(Symbol symbolEntity) throws VulcanException, IOException {
+    private Student insertStudents(School school) throws VulcanException, IOException {
+        List<Student> studentList = DataObjectConverter.studentsToStudentEntities(
+                vulcan.getStudentAndParent().getStudents(),
+                school.getId()
+        );
+        Timber.d("Register students (%s)", studentList.size());
+        daoSession.getStudentDao().insertInTx(studentList);
+
+        return daoSession.getStudentDao().queryBuilder().where(
+                StudentDao.Properties.SchoolId.eq(school.getId()),
+                StudentDao.Properties.Current.eq(true)
+        ).unique();
+    }
+
+    private Diary insertDiaries(Student student) throws VulcanException, IOException {
         List<Diary> diaryList = DataObjectConverter.diariesToDiaryEntities(
                 vulcan.getStudentAndParent().getDiaries(),
-                daoSession.getStudentDao().queryBuilder().where(
-                        StudentDao.Properties.SymbolId.eq(symbolEntity.getId()),
-                        StudentDao.Properties.Current.eq(true)
-                ).unique().getId());
-        Timber.d("Register diaries %s", diaryList.size());
+                student.getId()
+        );
+        Timber.d("Register diaries (%s)", diaryList.size());
         daoSession.getDiaryDao().insertInTx(diaryList);
+
+        return daoSession.getDiaryDao().queryBuilder().where(
+                DiaryDao.Properties.StudentId.eq(student.getId()),
+                DiaryDao.Properties.Current.eq(true)
+        ).unique();
     }
 
-    private void insertSemesters() throws VulcanException, IOException {
+    private void insertSemesters(Diary diary) throws VulcanException, IOException {
         List<Semester> semesterList = DataObjectConverter.semestersToSemesterEntities(
                 vulcan.getStudentAndParent().getSemesters(),
-                daoSession.getDiaryDao().queryBuilder().where(
-                        DiaryDao.Properties.Current.eq(true)
-                ).unique().getId());
-        Timber.d("Register semesters %s", semesterList.size());
+                diary.getId()
+        );
+        Timber.d("Register semesters (%s)", semesterList.size());
         daoSession.getSemesterDao().insertInTx(semesterList);
     }
 
@@ -138,8 +165,11 @@ public class AccountSync {
         Symbol symbol = daoSession.getSymbolDao().queryBuilder().where(
                 SymbolDao.Properties.UserId.eq(account.getId())).unique();
 
+        School school = daoSession.getSchoolDao().queryBuilder().where(
+                SchoolDao.Properties.SymbolId.eq(symbol.getId())).unique();
+
         Student student = daoSession.getStudentDao().queryBuilder().where(
-                StudentDao.Properties.SymbolId.eq(symbol.getId()),
+                StudentDao.Properties.SchoolId.eq(school.getId()),
                 StudentDao.Properties.Current.eq(true)
         ).unique();
 
@@ -152,7 +182,7 @@ public class AccountSync {
                 account.getEmail(),
                 Scrambler.decrypt(account.getEmail(), account.getPassword()),
                 symbol.getSymbol(),
-                symbol.getSchoolId(),
+                school.getRealId(),
                 student.getRealId(),
                 diary.getValue()
         );

app/src/main/java/io/github/wulkanowy/services/jobs/SyncJob.java

@@ -30,6 +30,8 @@ import io.github.wulkanowy.ui.main.MainActivity;
 import io.github.wulkanowy.utils.FabricUtils;
 import timber.log.Timber;
 
+import static io.github.wulkanowy.utils.TimeUtilsKt.isHolidays;
+
 public class SyncJob extends SimpleJobService {
 
     public static final String JOB_TAG = "SyncJob";
@@ -66,6 +68,12 @@ public class SyncJob extends SimpleJobService {
 
     @Override
     public int onRunJob(JobParameters job) {
+        if (isHolidays()) {
+            stop(getApplicationContext());
+
+            return JobService.RESULT_FAIL_NORETRY;
+        }
+
         try {
             repository.getSyncRepo().initLastUser();
             repository.getSyncRepo().syncAll();

app/src/main/java/io/github/wulkanowy/ui/main/MainPresenter.java

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.main;
 
-
 import android.support.annotation.NonNull;
 
 import javax.inject.Inject;
@@ -8,6 +7,8 @@ import javax.inject.Inject;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.ui.base.BasePresenter;
 
+import static io.github.wulkanowy.utils.TimeUtilsKt.isHolidays;
+
 public class MainPresenter extends BasePresenter<MainContract.View>
         implements MainContract.Presenter {
 
@@ -35,7 +36,7 @@ public class MainPresenter extends BasePresenter<MainContract.View>
         getView().initiationBottomNav(tabPosition);
         getView().initiationViewPager(tabPosition);
 
-        if (getRepository().getSharedRepo().isServicesEnable()) {
+        if (getRepository().getSharedRepo().isServicesEnable() && !isHolidays()) {
             getView().startSyncService(getRepository().getSharedRepo().getServicesInterval(),
                     getRepository().getSharedRepo().isMobileDisable());
         }

app/src/main/java/io/github/wulkanowy/ui/main/attendance/AttendancePresenter.java

@@ -10,10 +10,12 @@ import javax.inject.Inject;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.ui.base.BasePresenter;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
-import io.github.wulkanowy.utils.TimeUtils;
 import io.github.wulkanowy.utils.async.AbstractTask;
 import io.github.wulkanowy.utils.async.AsyncListeners;
 
+import static io.github.wulkanowy.utils.TimeUtilsKt.getFirstDayOfCurrentWeek;
+import static io.github.wulkanowy.utils.TimeUtilsKt.getMondaysFromCurrentSchoolYear;
+
 public class AttendancePresenter extends BasePresenter<AttendanceContract.View>
         implements AttendanceContract.Presenter, AsyncListeners.OnFirstLoadingListener {
 
@@ -42,11 +44,11 @@ public class AttendancePresenter extends BasePresenter<AttendanceContract.View>
         }
 
         if (dates.isEmpty()) {
-            dates = TimeUtils.getMondaysFromCurrentSchoolYear();
+            dates = getMondaysFromCurrentSchoolYear();
         }
 
         if (positionToScroll == 0) {
-            positionToScroll = dates.indexOf(TimeUtils.getDateOfCurrentMonday(true));
+            positionToScroll = dates.indexOf(getFirstDayOfCurrentWeek());
         }
 
         if (!isFirstSight) {

app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsPresenter.java

@@ -10,10 +10,12 @@ import javax.inject.Inject;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.ui.base.BasePresenter;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
-import io.github.wulkanowy.utils.TimeUtils;
 import io.github.wulkanowy.utils.async.AbstractTask;
 import io.github.wulkanowy.utils.async.AsyncListeners;
 
+import static io.github.wulkanowy.utils.TimeUtilsKt.getFirstDayOfCurrentWeek;
+import static io.github.wulkanowy.utils.TimeUtilsKt.getMondaysFromCurrentSchoolYear;
+
 public class ExamsPresenter extends BasePresenter<ExamsContract.View>
         implements ExamsContract.Presenter, AsyncListeners.OnFirstLoadingListener {
 
@@ -42,11 +44,11 @@ public class ExamsPresenter extends BasePresenter<ExamsContract.View>
         }
 
         if (dates.isEmpty()) {
-            dates = TimeUtils.getMondaysFromCurrentSchoolYear();
+            dates = getMondaysFromCurrentSchoolYear();
         }
 
         if (positionToScroll == 0) {
-            positionToScroll = dates.indexOf(TimeUtils.getDateOfCurrentMonday(true));
+            positionToScroll = dates.indexOf(getFirstDayOfCurrentWeek());
         }
 
         if (!isFirstSight) {

app/src/main/java/io/github/wulkanowy/ui/main/grades/GradesHeader.java

@@ -113,9 +113,9 @@ public class GradesHeader
             averageText.setText(getGradesAverageString());
 
             predictedText.setText(resources.getString(R.string.info_grades_predicted_rating,
-                    item.getPredictedRating()));
+                    GradeUtils.getShortGradeValue(item.getPredictedRating())));
             finalText.setText(resources.getString(R.string.info_grades_final_rating,
-                    item.getFinalRating()));
+                    GradeUtils.getShortGradeValue(item.getFinalRating())));
 
             resetViews();
             toggleSubjectText();

app/src/main/java/io/github/wulkanowy/ui/main/grades/GradesSubItem.java

@@ -88,6 +88,9 @@ public class GradesSubItem
         @BindView(R.id.grade_subitem_date)
         TextView date;
 
+        @BindView(R.id.grade_subitem_weight)
+        TextView weight;
+
         @BindView(R.id.grade_subitem_alert_image)
         View alert;
 
@@ -110,8 +113,9 @@ public class GradesSubItem
 
             value.setText(item.getValue());
             value.setBackgroundResource(GradeUtils.getValueColor(item.getValue()));
-            date.setText(item.getDate());
             description.setText(getDescriptionString());
+            date.setText(item.getDate());
+            weight.setText(String.format("%s: %s", context.getResources().getString(R.string.grade_weight_text), item.getWeight()));
             alert.setVisibility(item.getRead() ? View.INVISIBLE : View.VISIBLE);
 
             if (!item.getRead()) {

app/src/main/java/io/github/wulkanowy/ui/main/grades/GradesSummarySubItem.java

@@ -16,6 +16,7 @@ import eu.davidea.flexibleadapter.items.IFlexible;
 import eu.davidea.viewholders.FlexibleViewHolder;
 import io.github.wulkanowy.R;
 import io.github.wulkanowy.data.db.dao.entities.Subject;
+import io.github.wulkanowy.utils.GradeUtils;
 
 public class GradesSummarySubItem
         extends AbstractSectionableItem<GradesSummarySubItem.SubItemViewHolder, GradesSummaryHeader> {
@@ -76,8 +77,8 @@ public class GradesSummarySubItem
         }
 
         void onBind(Subject item) {
-            predictedGrade.setText(item.getPredictedRating());
-            finalGrade.setText(item.getFinalRating());
+            predictedGrade.setText(GradeUtils.getShortGradeValue(item.getPredictedRating()));
+            finalGrade.setText(GradeUtils.getShortGradeValue(item.getFinalRating()));
         }
     }
 }

app/src/main/java/io/github/wulkanowy/ui/main/settings/SettingsFragment.java

@@ -18,6 +18,8 @@ import io.github.wulkanowy.services.jobs.SyncJob;
 import io.github.wulkanowy.ui.main.MainActivity;
 import io.github.wulkanowy.utils.AppConstant;
 
+import static io.github.wulkanowy.utils.TimeUtilsKt.isHolidays;
+
 public class SettingsFragment extends PreferenceFragmentCompat
         implements SharedPreferences.OnSharedPreferenceChangeListener {
 
@@ -86,7 +88,13 @@ public class SettingsFragment extends PreferenceFragmentCompat
         findPreference(SHARED_KEY_ABOUT_VERSION).setOnPreferenceClickListener(onProgrammerListener);
         findPreference(SHARED_KEY_ABOUT_REPO).setIntent(new Intent(Intent.ACTION_VIEW, Uri.parse(AppConstant.REPO_URL)));
         findPreference(SHARED_KEY_ABOUT_LICENSES).setIntent(new Intent(getActivity(), OssLicensesMenuActivity.class)
-                .putExtra("title", getString(R.string.pref_about_osl)));
+                .putExtra("title", R.string.pref_about_osl));
+
+        if (isHolidays()) {
+            Preference services = findPreference(SHARED_KEY_SERVICES_ENABLE);
+            services.setSummary(R.string.pref_services_suspended_on_holidays);
+            services.setEnabled(false);
+        }
     }
 
     @Override

app/src/main/java/io/github/wulkanowy/ui/main/timetable/TimetablePresenter.java

@@ -10,10 +10,12 @@ import javax.inject.Inject;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.ui.base.BasePresenter;
 import io.github.wulkanowy.ui.main.OnFragmentIsReadyListener;
-import io.github.wulkanowy.utils.TimeUtils;
 import io.github.wulkanowy.utils.async.AbstractTask;
 import io.github.wulkanowy.utils.async.AsyncListeners;
 
+import static io.github.wulkanowy.utils.TimeUtilsKt.getFirstDayOfCurrentWeek;
+import static io.github.wulkanowy.utils.TimeUtilsKt.getMondaysFromCurrentSchoolYear;
+
 public class TimetablePresenter extends BasePresenter<TimetableContract.View>
         implements TimetableContract.Presenter, AsyncListeners.OnFirstLoadingListener {
 
@@ -42,11 +44,11 @@ public class TimetablePresenter extends BasePresenter<TimetableContract.View>
         }
 
         if (dates.isEmpty()) {
-            dates = TimeUtils.getMondaysFromCurrentSchoolYear();
+            dates = getMondaysFromCurrentSchoolYear();
         }
 
         if (positionToScroll == 0) {
-            positionToScroll = dates.indexOf(TimeUtils.getDateOfCurrentMonday(true));
+            positionToScroll = dates.indexOf(getFirstDayOfCurrentWeek());
         }
 
         if (!isFirstSight) {

app/src/main/java/io/github/wulkanowy/ui/main/timetable/tab/TimetableTabPresenter.java

@@ -16,10 +16,12 @@ import io.github.wulkanowy.data.db.dao.entities.Week;
 import io.github.wulkanowy.ui.base.BasePresenter;
 import io.github.wulkanowy.utils.AppConstant;
 import io.github.wulkanowy.utils.FabricUtils;
-import io.github.wulkanowy.utils.TimeUtils;
 import io.github.wulkanowy.utils.async.AbstractTask;
 import io.github.wulkanowy.utils.async.AsyncListeners;
 
+import static io.github.wulkanowy.utils.TimeUtilsKt.getParsedDate;
+import static io.github.wulkanowy.utils.TimeUtilsKt.isDateInWeek;
+
 public class TimetableTabPresenter extends BasePresenter<TimetableTabContract.View>
         implements TimetableTabContract.Presenter, AsyncListeners.OnRefreshListener,
         AsyncListeners.OnFirstLoadingListener {
@@ -162,9 +164,9 @@ public class TimetableTabPresenter extends BasePresenter<TimetableTabContract.Vi
     }
 
     private void expandCurrentDayHeader() {
-        LocalDate monday = TimeUtils.getParsedDate(date, AppConstant.DATE_PATTERN);
+        LocalDate monday = getParsedDate(date, AppConstant.DATE_PATTERN);
 
-        if (TimeUtils.isDateInWeek(monday, LocalDate.now()) && !isFirstSight) {
+        if (isDateInWeek(monday, LocalDate.now()) && !isFirstSight) {
             getView().expandItem(LocalDate.now().getDayOfWeek().getValue() - 1);
         }
     }

app/src/main/java/io/github/wulkanowy/ui/widgets/TimetableWidgetFactory.java

@@ -17,7 +17,9 @@ import io.github.wulkanowy.R;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.data.db.dao.entities.TimetableLesson;
 import io.github.wulkanowy.data.db.dao.entities.Week;
-import io.github.wulkanowy.utils.TimeUtils;
+
+import static io.github.wulkanowy.utils.TimeUtilsKt.getFirstDayOfCurrentWeek;
+import static io.github.wulkanowy.utils.TimeUtilsKt.getTodayOrNextDayOrder;
 
 public class TimetableWidgetFactory implements RemoteViewsService.RemoteViewsFactory {
 
@@ -44,8 +46,8 @@ public class TimetableWidgetFactory implements RemoteViewsService.RemoteViewsFac
 
         if (repository.getSharedRepo().isUserLoggedIn()) {
 
-            Week week = repository.getDbRepo().getWeek(TimeUtils.getDateOfCurrentMonday(true));
-            int valueOfDay = TimeUtils.getTodayOrNextDayValue(repository.getSharedRepo().getTimetableWidgetState());
+            Week week = repository.getDbRepo().getWeek(getFirstDayOfCurrentWeek());
+            int valueOfDay = getTodayOrNextDayOrder(repository.getSharedRepo().getTimetableWidgetState());
 
             if (valueOfDay != 5 && valueOfDay != 6 && week != null) {
                 week.resetDayList();

app/src/main/java/io/github/wulkanowy/ui/widgets/TimetableWidgetProvider.java

@@ -16,7 +16,8 @@ import io.github.wulkanowy.R;
 import io.github.wulkanowy.data.RepositoryContract;
 import io.github.wulkanowy.services.widgets.TimetableWidgetServices;
 import io.github.wulkanowy.ui.main.MainActivity;
-import io.github.wulkanowy.utils.TimeUtils;
+
+import static io.github.wulkanowy.utils.TimeUtilsKt.getTodayOrNextDay;
 
 public class TimetableWidgetProvider extends AppWidgetProvider {
 
@@ -95,7 +96,7 @@ public class TimetableWidgetProvider extends AppWidgetProvider {
                 : R.string.widget_timetable_today);
 
         views.setTextViewText(R.id.timetable_widget_toggle, toggleText);
-        views.setTextViewText(R.id.timetable_widget_date, TimeUtils.getTodayOrNextDay(nextDay));
+        views.setTextViewText(R.id.timetable_widget_date, getTodayOrNextDay(nextDay));
     }
 
     private void updateWidget(RemoteViews views, AppWidgetManager appWidgetManager, int appWidgetId) {

app/src/main/java/io/github/wulkanowy/utils/DataObjectConverter.java

@@ -9,6 +9,7 @@ import io.github.wulkanowy.data.db.dao.entities.Day;
 import io.github.wulkanowy.data.db.dao.entities.Diary;
 import io.github.wulkanowy.data.db.dao.entities.Exam;
 import io.github.wulkanowy.data.db.dao.entities.Grade;
+import io.github.wulkanowy.data.db.dao.entities.School;
 import io.github.wulkanowy.data.db.dao.entities.Semester;
 import io.github.wulkanowy.data.db.dao.entities.Student;
 import io.github.wulkanowy.data.db.dao.entities.Subject;
@@ -21,7 +22,22 @@ public final class DataObjectConverter {
         throw new IllegalStateException("Utility class");
     }
 
-    public static List<Student> studentsToStudentEntities(List<io.github.wulkanowy.api.generic.Student> students, Long symbolId) {
+    public static List<School> schoolsToSchoolsEntities(List<io.github.wulkanowy.api.generic.School> schools, Long symbolId) {
+        List<School> studentList = new ArrayList<>();
+
+        for (io.github.wulkanowy.api.generic.School school : schools) {
+            studentList.add(new School()
+                    .setName(school.getName())
+                    .setCurrent(school.getCurrent())
+                    .setRealId(school.getId())
+                    .setSymbolId(symbolId)
+            );
+        }
+
+        return studentList;
+    }
+
+    public static List<Student> studentsToStudentEntities(List<io.github.wulkanowy.api.generic.Student> students, Long schoolId) {
         List<Student> studentList = new ArrayList<>();
 
         for (io.github.wulkanowy.api.generic.Student student : students) {
@@ -29,7 +45,7 @@ public final class DataObjectConverter {
                     .setName(student.getName())
                     .setCurrent(student.isCurrent())
                     .setRealId(student.getId())
-                    .setSymbolId(symbolId)
+                    .setSchoolId(schoolId)
             );
         }
 

app/src/main/java/io/github/wulkanowy/utils/GradeUtils.java

@@ -49,29 +49,29 @@ public final class GradeUtils {
     public static int getValueColor(String value) {
         Matcher m1 = validGradePattern.matcher(value);
         if (!m1.find()) {
-            return R.color.default_grade;
+            return R.color.grade_default;
         }
 
         Matcher m2 = simpleGradeValuePattern.matcher(m1.group());
         if (!m2.find()) {
-            return R.color.default_grade;
+            return R.color.grade_default;
         }
 
         switch (Integer.parseInt(m2.group())) {
             case 6:
-                return R.color.six_grade;
+                return R.color.grade_six;
             case 5:
-                return R.color.five_grade;
+                return R.color.grade_five;
             case 4:
-                return R.color.four_grade;
+                return R.color.grade_four;
             case 3:
-                return R.color.three_grade;
+                return R.color.grade_three;
             case 2:
-                return R.color.two_grade;
+                return R.color.grade_two;
             case 1:
-                return R.color.one_grade;
+                return R.color.grade_one;
             default:
-                return R.color.default_grade;
+                return R.color.grade_default;
         }
     }
 
@@ -101,7 +101,7 @@ public final class GradeUtils {
         return counter / denominator;
     }
 
-    private static float getGradeValue(String grade) {
+    public static float getGradeValue(String grade) {
         if (validGradePattern.matcher(grade).matches()) {
             return getWeightedGradeValue(grade);
         }
@@ -128,6 +128,25 @@ public final class GradeUtils {
         }
     }
 
+    public static String getShortGradeValue(String grade) {
+        switch (grade) {
+            case "celujący":
+                return "6";
+            case "bardzo dobry":
+                return "5";
+            case "dobry":
+                return "4";
+            case "dostateczny":
+                return "3";
+            case "dopuszczający":
+                return "2";
+            case "niedostateczny":
+                return "1";
+            default:
+                return grade;
+        }
+    }
+
     private static float getWeightedGradeValue(String value) {
         if (validGradePattern.matcher(value).matches()) {
             if (value.matches("[-][0-6]") || value.matches("[0-6][-]")) {

app/src/main/java/io/github/wulkanowy/utils/TimeUtils.java

@@ -1,81 +0,0 @@
-package io.github.wulkanowy.utils;
-
-import org.threeten.bp.DayOfWeek;
-import org.threeten.bp.LocalDate;
-import org.threeten.bp.format.DateTimeFormatter;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public final class TimeUtils {
-
-    private static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern(AppConstant.DATE_PATTERN);
-
-    private TimeUtils() {
-        throw new IllegalStateException("Utility class");
-    }
-
-    public static LocalDate getParsedDate(String dateString, String dateFormat) {
-        return LocalDate.parse(dateString, DateTimeFormatter.ofPattern(dateFormat));
-    }
-
-    public static List<String> getMondaysFromCurrentSchoolYear() {
-        LocalDate startDate = LocalDate.of(getCurrentSchoolYear(), 9, 1);
-        LocalDate endDate = LocalDate.of(getCurrentSchoolYear() + 1, 8, 31);
-
-        List<String> dateList = new ArrayList<>();
-
-        LocalDate thisMonday = startDate.with(DayOfWeek.MONDAY);
-
-        if (startDate.isAfter(thisMonday)) {
-            startDate = thisMonday.plusWeeks(1);
-        } else {
-            startDate = thisMonday;
-        }
-
-        while (startDate.isBefore(endDate)) {
-            dateList.add(startDate.format(formatter));
-            startDate = startDate.plusWeeks(1);
-        }
-        return dateList;
-    }
-
-    public static int getCurrentSchoolYear() {
-        LocalDate localDate = LocalDate.now();
-        return localDate.getMonthValue() <= 8 ? localDate.getYear() - 1 : localDate.getYear();
-    }
-
-    public static String getDateOfCurrentMonday(boolean normalize) {
-        LocalDate currentDate = LocalDate.now();
-
-        if (currentDate.getDayOfWeek() == DayOfWeek.SATURDAY && normalize) {
-            currentDate = currentDate.plusDays(2);
-        } else if (currentDate.getDayOfWeek() == DayOfWeek.SUNDAY && normalize) {
-            currentDate = currentDate.plusDays(1);
-        } else {
-            currentDate = currentDate.with(DayOfWeek.MONDAY);
-        }
-        return currentDate.format(formatter);
-    }
-
-    public static int getTodayOrNextDayValue(boolean nextDay) {
-        DayOfWeek day = LocalDate.now().getDayOfWeek();
-        if (nextDay) {
-            if (day == DayOfWeek.SUNDAY) {
-                return 0;
-            }
-            return day.getValue();
-        }
-        return day.getValue() - 1;
-    }
-
-    public static String getTodayOrNextDay(boolean nextDay) {
-        LocalDate current = LocalDate.now();
-        return nextDay ? current.plusDays(1).format(formatter) : current.format(formatter);
-    }
-
-    public static boolean isDateInWeek(LocalDate firstWeekDay, LocalDate date) {
-        return date.isAfter(firstWeekDay.minusDays(1)) && date.isBefore(firstWeekDay.plusDays(5));
-
-    }
-}

app/src/main/java/io/github/wulkanowy/utils/TimeUtils.kt

@@ -0,0 +1,97 @@
+package io.github.wulkanowy.utils
+
+import org.threeten.bp.DayOfWeek.*
+import org.threeten.bp.LocalDate
+import org.threeten.bp.Year
+import org.threeten.bp.format.DateTimeFormatter
+import org.threeten.bp.temporal.TemporalAdjusters
+import java.util.*
+
+private val formatter = DateTimeFormatter.ofPattern(AppConstant.DATE_PATTERN)
+
+fun getParsedDate(dateString: String, dateFormat: String): LocalDate {
+    return LocalDate.parse(dateString, DateTimeFormatter.ofPattern(dateFormat))
+}
+
+fun getMondaysFromCurrentSchoolYear() = getMondaysFromCurrentSchoolYear(LocalDate.now())
+
+fun getMondaysFromCurrentSchoolYear(date: LocalDate): List<String> {
+    val startDate = getFirstSchoolDay(getSchoolYearForDate(date))
+            ?.with(TemporalAdjusters.previousOrSame(MONDAY))
+    val endDate = getFirstSchoolDay(getSchoolYearForDate(date) + 1)
+            ?.with(TemporalAdjusters.previousOrSame(MONDAY))
+
+    val dateList = ArrayList<String>()
+    var monday = startDate as LocalDate
+    while (monday.isBefore(endDate)) {
+        dateList.add(monday.format(formatter))
+        monday = monday.plusWeeks(1)
+    }
+
+    return dateList
+}
+
+fun getSchoolYearForDate(date: LocalDate): Int {
+    return if (date.monthValue <= 8) date.year - 1 else date.year
+}
+
+fun getFirstDayOfCurrentWeek(): String = getFirstDayOfCurrentWeek(LocalDate.now())
+
+fun getFirstDayOfCurrentWeek(date: LocalDate): String {
+    return when (date.dayOfWeek) {
+        SATURDAY -> date.plusDays(2)
+        SUNDAY -> date.plusDays(1)
+        else -> date.with(MONDAY)
+    }.format(formatter)
+}
+
+fun getTodayOrNextDayOrder(next: Boolean): Int = getTodayOrNextDayOrder(next, LocalDate.now())
+
+fun getTodayOrNextDayOrder(next: Boolean, date: LocalDate): Int {
+    val day = date.dayOfWeek
+    return if (next) {
+        if (day == SUNDAY) {
+            0
+        } else day.value
+    } else day.value - 1
+}
+
+fun getTodayOrNextDay(next: Boolean): String? = getTodayOrNextDay(next, LocalDate.now())
+
+fun getTodayOrNextDay(next: Boolean, date: LocalDate): String? {
+    return (if (next) {
+        date.plusDays(1)
+    } else date).format(formatter)
+}
+
+fun isDateInWeek(firstWeekDay: LocalDate, date: LocalDate): Boolean {
+    return date.isAfter(firstWeekDay.minusDays(1)) && date.isBefore(firstWeekDay.plusDays(5))
+}
+
+/**
+ * [Dz.U. 2016 poz. 1335](http://prawo.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20160001335)
+ */
+fun isHolidays(): Boolean = isHolidays(LocalDate.now(), Year.now().value)
+
+fun isHolidays(day: LocalDate, year: Int): Boolean {
+    return day.isAfter(getLastSchoolDay(year)) && day.isBefore(getFirstSchoolDay(year))
+}
+
+fun getFirstSchoolDay(year: Int): LocalDate? {
+    val firstSeptember = LocalDate.of(year, 9, 1)
+
+    return when (firstSeptember.dayOfWeek) {
+        FRIDAY,
+        SATURDAY,
+        SUNDAY -> firstSeptember.with(TemporalAdjusters.firstInMonth(MONDAY))
+        else -> {
+            firstSeptember
+        }
+    }
+}
+
+fun getLastSchoolDay(year: Int): LocalDate? {
+    return LocalDate
+            .of(year, 6, 20)
+            .with(TemporalAdjusters.next(FRIDAY))
+}

app/src/main/play/pl-PL/listing/title

@@ -1 +1 @@
-Wulkanowy Dziennik UONET+
+Wulkanowy Dzienniczek UONET+

app/src/main/play/pl-PL/whatsnew

@@ -1,8 +1,5 @@
-Wersja 0.5.0:
-- dodano podsumowanie ocen z przedmiotów
-- dodano ciemny motyw (wczesna wersja)
-- otwieranie aktualnego dnia w planie lekcji
-- ukrywanie górnego paska przy przewijaniu
-- naprawa wyświetlania zastępstw w widgecie
-- poprawa wyświetlania końcowych ocen
-- poprawa pierwsze logowania
+Wersja 0.5.1:
+- dodano wagę ocen na liście
+- naprawiono błędy podczas logowania
+- zmieniono nasycenie kolorów ocen
+- wyłączenie synchronizacji podczas wakacji

app/src/main/res/layout/grades_dialog.xml

@@ -29,6 +29,8 @@
                 android:layout_gravity="end"
                 android:gravity="center"
                 android:text="@string/app_name"
+                android:textColor="@color/grade_text"
+                android:background="@color/grade_default"
                 android:textSize="30sp" />
 
             <TextView
@@ -81,7 +83,7 @@
                 android:layout_alignParentStart="true"
                 android:layout_below="@+id/grade_dialog_description_value"
                 android:layout_marginTop="10dp"
-                android:text="@string/dialog_weight_text"
+                android:text="@string/grade_weight_text"
                 android:textSize="17sp" />
 
             <TextView

app/src/main/res/layout/grades_subitem.xml

@@ -30,6 +30,9 @@
             android:layout_centerVertical="true"
             android:gravity="center"
             android:maxLength="5"
+            android:text="@string/app_name"
+            android:textColor="@color/grade_text"
+            android:background="@color/grade_default"
             android:textSize="16sp" />
 
         <TextView
@@ -45,7 +48,7 @@
             android:layout_toRightOf="@+id/grade_subitem_value"
             android:ellipsize="end"
             android:maxLines="1"
-            android:text="@string/app_name"
+            android:text="@string/dialog_description_text"
             android:textSize="15sp"
             tool:ignore="all" />
 
@@ -56,7 +59,19 @@
             android:layout_alignBottom="@+id/grade_subitem_value"
             android:layout_alignLeft="@+id/grade_subitem_description"
             android:layout_alignStart="@+id/grade_subitem_description"
-            android:text="@string/grades_text"
+            android:text="@string/dialog_date_text"
+            android:textSize="12sp" />
+
+        <TextView
+            android:id="@+id/grade_subitem_weight"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_toEndOf="@+id/grade_subitem_date"
+            android:layout_toRightOf="@+id/grade_subitem_date"
+            android:layout_alignBottom="@+id/grade_subitem_value"
+            android:layout_marginLeft="10dp"
+            android:layout_marginStart="10dp"
+            android:text="@string/grade_weight_text"
             android:textSize="12sp" />
 
         <ImageView
@@ -70,4 +85,4 @@
             tool:ignore="contentDescription" />
 
     </RelativeLayout>
-</android.support.v7.widget.CardView>
+</android.support.v7.widget.CardView>

app/src/main/res/values-pl/strings.xml

@@ -46,7 +46,7 @@
     <string name="alert_dialog_blocked_app_message">W obawie o bezpieczeństwo przechowywanych danych osobistych na urządzeniu z podwyższonymi uprawnieniami (root), aplikacja Wulkanowy została zablokowana</string>
 
     <string name="dialog_description_text">Opis</string>
-    <string name="dialog_weight_text">Waga</string>
+    <string name="grade_weight_text">Waga</string>
     <string name="noDescription_text">Brak opisu</string>
     <string name="dialog_teacher_text">Nauczyciel</string>
     <string name="dialog_date_text">Data</string>
@@ -136,6 +136,7 @@
 
     <string name="pref_services_header">Usługi</string>
     <string name="pref_services_switch">Włącz odświeżanie danych w tle</string>
+    <string name="pref_services_suspended_on_holidays">Zawieszone na wakacjach</string>
     <string name="pref_services_interval">Interwał między odświeżaniem danych</string>
     <string name="pref_services_mobile_data">Synchronizacja tylko przez WiFi</string>
 

app/src/main/res/values/colors.xml

@@ -4,13 +4,15 @@
     <color name="colorPrimaryDark">#9a0007</color>
     <color name="colorPrimaryLight">#ff6659</color>
     <color name="colorBackgroundBottomNav">#f0f0f0</color>
-    <color name="six_grade">#92b53d</color>
-    <color name="five_grade">#66B266</color>
-    <color name="four_grade">#55BBDB</color>
-    <color name="three_grade">#FFE68C</color>
-    <color name="two_grade">#CE9AD2</color>
-    <color name="one_grade">#d32f2f</color>
-    <color name="default_grade">#cdcdcd</color>
+
+    <color name="grade_text">#ffffff</color>
+    <color name="grade_six">#91b43c</color>
+    <color name="grade_five">#2cbd92</color>
+    <color name="grade_four">#50b6d6</color>
+    <color name="grade_three">#d2ab24</color>
+    <color name="grade_two">#9071b3</color>
+    <color name="grade_one">#d65757</color>
+    <color name="grade_default">#3d5f9c</color>
 
     <color name="secondary_text">#4c4c4c</color>
     <color name="second_text_color">#333</color>

app/src/main/res/values/strings.xml

@@ -46,7 +46,7 @@
     <string name="alert_dialog_blocked_app_message">For the sake of safety of personal data stored on a device with increased authorization (root), the Wulkanowy application has been blocked.</string>
 
     <string name="dialog_description_text">Description</string>
-    <string name="dialog_weight_text">Weight</string>
+    <string name="grade_weight_text">Weight</string>
     <string name="noDescription_text">No description</string>
     <string name="dialog_teacher_text">Teacher</string>
     <string name="dialog_date_text">Date</string>
@@ -132,6 +132,7 @@
 
     <string name="pref_services_header">Services</string>
     <string name="pref_services_switch">Enable background data refreshing</string>
+    <string name="pref_services_suspended_on_holidays">Suspended on holidays</string>
     <string name="pref_services_interval">Interval between data refreshing</string>
     <string name="pref_services_mobile_data">Synchronization via WiFi only</string>
 

app/src/test/java/io/github/wulkanowy/utils/GradeUtilsTest.java

@@ -62,17 +62,24 @@ public class GradeUtilsTest {
 
     @Test
     public void getValueColorTest() {
-        assertEquals(R.color.six_grade, GradeUtils.getValueColor("-6"));
-        assertEquals(R.color.five_grade, GradeUtils.getValueColor("--5"));
-        assertEquals(R.color.four_grade, GradeUtils.getValueColor("=4"));
-        assertEquals(R.color.three_grade, GradeUtils.getValueColor("3-"));
-        assertEquals(R.color.two_grade, GradeUtils.getValueColor("2--"));
-        assertEquals(R.color.two_grade, GradeUtils.getValueColor("2="));
-        assertEquals(R.color.one_grade, GradeUtils.getValueColor("1+"));
-        assertEquals(R.color.one_grade, GradeUtils.getValueColor("+1"));
-        assertEquals(R.color.default_grade, GradeUtils.getValueColor("6 (.XI)"));
-        assertEquals(R.color.default_grade, GradeUtils.getValueColor("Np"));
-        assertEquals(R.color.default_grade, GradeUtils.getValueColor("7"));
-        assertEquals(R.color.default_grade, GradeUtils.getValueColor(""));
+        assertEquals(R.color.grade_six, GradeUtils.getValueColor("-6"));
+        assertEquals(R.color.grade_five, GradeUtils.getValueColor("--5"));
+        assertEquals(R.color.grade_four, GradeUtils.getValueColor("=4"));
+        assertEquals(R.color.grade_three, GradeUtils.getValueColor("3-"));
+        assertEquals(R.color.grade_two, GradeUtils.getValueColor("2--"));
+        assertEquals(R.color.grade_two, GradeUtils.getValueColor("2="));
+        assertEquals(R.color.grade_one, GradeUtils.getValueColor("1+"));
+        assertEquals(R.color.grade_one, GradeUtils.getValueColor("+1"));
+        assertEquals(R.color.grade_default, GradeUtils.getValueColor("6 (.XI)"));
+        assertEquals(R.color.grade_default, GradeUtils.getValueColor("Np"));
+        assertEquals(R.color.grade_default, GradeUtils.getValueColor("7"));
+        assertEquals(R.color.grade_default, GradeUtils.getValueColor(""));
+    }
+
+    @Test
+    public void getShortGradeValueTest() {
+        assertEquals("6", GradeUtils.getShortGradeValue("celujący"));
+        assertEquals("1", GradeUtils.getShortGradeValue("niedostateczny"));
+        assertEquals("wzorowe", GradeUtils.getShortGradeValue("wzorowe"));
     }
 }

app/src/test/java/io/github/wulkanowy/utils/TimeUtilsTest.java

@@ -1,48 +0,0 @@
-package io.github.wulkanowy.utils;
-
-import org.junit.Assert;
-import org.junit.Test;
-import org.threeten.bp.LocalDate;
-
-public class TimeUtilsTest {
-
-    @Test
-    public void getParsedDateTest() {
-        Assert.assertEquals(LocalDate.of(1970, 1, 1),
-                TimeUtils.getParsedDate("1970-01-01", "yyyy-MM-dd"));
-    }
-
-    @Test
-    public void isDateInWeekInsideTest() {
-        Assert.assertTrue(TimeUtils.isDateInWeek(
-                LocalDate.of(2018, 5, 28),
-                LocalDate.of(2018, 5, 31)
-        ));
-    }
-
-    @Test
-    public void isDateInWeekExtremesTest() {
-        Assert.assertTrue(TimeUtils.isDateInWeek(
-                LocalDate.of(2018, 5, 28),
-                LocalDate.of(2018, 5, 28)
-        ));
-
-        Assert.assertTrue(TimeUtils.isDateInWeek(
-                LocalDate.of(2018, 5, 28),
-                LocalDate.of(2018, 6, 1)
-        ));
-    }
-
-    @Test
-    public void isDateInWeekOutOfTest() {
-        Assert.assertFalse(TimeUtils.isDateInWeek(
-                LocalDate.of(2018, 5, 28),
-                LocalDate.of(2018, 6, 2)
-        ));
-
-        Assert.assertFalse(TimeUtils.isDateInWeek(
-                LocalDate.of(2018, 5, 28),
-                LocalDate.of(2018, 5, 27)
-        ));
-    }
-}

app/src/test/java/io/github/wulkanowy/utils/TimeUtilsTest.kt

@@ -0,0 +1,140 @@
+package io.github.wulkanowy.utils
+
+import org.junit.Test
+import org.threeten.bp.LocalDate
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+
+class TimeUtilsTest {
+
+    @Test fun getParsedDateTest() {
+        assertEquals(LocalDate.of(1970, 1, 1),
+                getParsedDate("1970-01-01", "yyyy-MM-dd"))
+    }
+
+    @Test fun getMondaysFromCurrentSchoolYearTest() {
+        val y201718 = getMondaysFromCurrentSchoolYear(LocalDate.of(2018, 1, 1))
+        assertEquals("2017-09-04", y201718.first())
+        assertEquals("2018-08-27", y201718.last())
+
+        val y202122 = getMondaysFromCurrentSchoolYear(LocalDate.of(2022, 1, 1))
+        assertEquals("2021-08-30", y202122.first())
+        assertEquals("2022-08-22", y202122.last())
+
+        val y202223 = getMondaysFromCurrentSchoolYear(LocalDate.of(2023, 1, 1))
+        assertEquals("2022-08-29", y202223.first())
+        assertEquals("2023-08-28", y202223.last())
+    }
+
+    @Test fun getCurrentSchoolYearTest() {
+        assertEquals(2017, getSchoolYearForDate(LocalDate.of(2018, 8, 31)))
+        assertEquals(2018, getSchoolYearForDate(LocalDate.of(2018, 9, 1)))
+    }
+
+    @Test fun getFirstWeekDayTest() {
+        assertEquals("2018-06-18", getFirstDayOfCurrentWeek(LocalDate.of(2018, 6, 21)))
+        assertEquals("2018-06-18", getFirstDayOfCurrentWeek(LocalDate.of(2018, 6, 22)))
+        assertEquals("2018-06-25", getFirstDayOfCurrentWeek(LocalDate.of(2018, 6, 23)))
+        assertEquals("2018-06-25", getFirstDayOfCurrentWeek(LocalDate.of(2018, 6, 24)))
+        assertEquals("2018-06-25", getFirstDayOfCurrentWeek(LocalDate.of(2018, 6, 25)))
+        assertEquals("2018-06-25", getFirstDayOfCurrentWeek(LocalDate.of(2018, 6, 26)))
+    }
+
+    @Test fun getTodayOrNextDayOrderTest() {
+        assertEquals(0, getTodayOrNextDayOrder(true, LocalDate.of(2018, 6, 24))) // sunday
+        assertEquals(6, getTodayOrNextDayOrder(false, LocalDate.of(2018, 6, 24)))
+        assertEquals(1, getTodayOrNextDayOrder(true, LocalDate.of(2018, 6, 25)))
+        assertEquals(0, getTodayOrNextDayOrder(false, LocalDate.of(2018, 6, 25)))
+    }
+
+    @Test fun getTodayOrNextDayTest() {
+        assertEquals("2018-06-26", getTodayOrNextDay(false, LocalDate.of(2018, 6, 26)))
+        assertEquals("2018-06-27", getTodayOrNextDay(true, LocalDate.of(2018, 6, 26)))
+    }
+
+    @Test fun isDateInWeekInsideTest() {
+        assertTrue(isDateInWeek(
+                LocalDate.of(2018, 5, 28),
+                LocalDate.of(2018, 5, 31)
+        ))
+    }
+
+    @Test fun isDateInWeekExtremesTest() {
+        assertTrue(isDateInWeek(
+                LocalDate.of(2018, 5, 28),
+                LocalDate.of(2018, 5, 28)
+        ))
+
+        assertTrue(isDateInWeek(
+                LocalDate.of(2018, 5, 28),
+                LocalDate.of(2018, 6, 1)
+        ))
+    }
+
+    @Test fun isDateInWeekOutOfTest() {
+        assertFalse(isDateInWeek(
+                LocalDate.of(2018, 5, 28),
+                LocalDate.of(2018, 6, 2)
+        ))
+
+        assertFalse(isDateInWeek(
+                LocalDate.of(2018, 5, 28),
+                LocalDate.of(2018, 5, 27)
+        ))
+    }
+
+    @Test fun isHolidaysInSchoolEndTest() {
+        assertFalse(isHolidays(LocalDate.of(2017, 6, 23), 2017))
+        assertFalse(isHolidays(LocalDate.of(2018, 6, 22), 2018))
+        assertFalse(isHolidays(LocalDate.of(2019, 6, 21), 2019))
+        assertFalse(isHolidays(LocalDate.of(2020, 6, 26), 2020))
+        assertFalse(isHolidays(LocalDate.of(2021, 6, 25), 2021))
+        assertFalse(isHolidays(LocalDate.of(2022, 6, 24), 2022))
+        assertFalse(isHolidays(LocalDate.of(2023, 6, 23), 2023))
+        assertFalse(isHolidays(LocalDate.of(2024, 6, 21), 2024))
+        assertFalse(isHolidays(LocalDate.of(2025, 6, 27), 2025))
+    }
+
+    @Test fun isHolidaysInHolidaysStartTest() {
+        assertTrue(isHolidays(LocalDate.of(2017, 6, 24), 2017))
+        assertTrue(isHolidays(LocalDate.of(2018, 6, 23), 2018))
+        assertTrue(isHolidays(LocalDate.of(2019, 6, 22), 2019))
+        assertTrue(isHolidays(LocalDate.of(2020, 6, 27), 2020))
+        assertTrue(isHolidays(LocalDate.of(2021, 6, 26), 2021))
+        assertTrue(isHolidays(LocalDate.of(2022, 6, 25), 2022))
+        assertTrue(isHolidays(LocalDate.of(2023, 6, 24), 2023))
+        assertTrue(isHolidays(LocalDate.of(2024, 6, 22), 2024))
+        assertTrue(isHolidays(LocalDate.of(2025, 6, 28), 2025))
+    }
+
+    @Test fun isHolidaysInHolidaysEndTest() {
+        assertTrue(isHolidays(LocalDate.of(2017, 9, 1), 2017)) // friday
+        assertTrue(isHolidays(LocalDate.of(2017, 9, 2), 2017)) // saturday
+        assertTrue(isHolidays(LocalDate.of(2017, 9, 3), 2017)) // sunday
+        assertTrue(isHolidays(LocalDate.of(2018, 9, 1), 2018)) // saturday
+        assertTrue(isHolidays(LocalDate.of(2018, 9, 2), 2018)) // sunday
+        assertTrue(isHolidays(LocalDate.of(2019, 9, 1), 2019)) // sunday
+        assertTrue(isHolidays(LocalDate.of(2020, 8, 31), 2020)) // monday
+        assertTrue(isHolidays(LocalDate.of(2021, 8, 31), 2021)) // tuesday
+        assertTrue(isHolidays(LocalDate.of(2022, 8, 31), 2022)) // wednesday
+        assertTrue(isHolidays(LocalDate.of(2023, 9, 1), 2023)) // friday
+        assertTrue(isHolidays(LocalDate.of(2023, 9, 2), 2023)) // saturday
+        assertTrue(isHolidays(LocalDate.of(2023, 9, 3), 2023)) // sunday
+        assertTrue(isHolidays(LocalDate.of(2024, 9, 1), 2024)) // sunday
+        assertTrue(isHolidays(LocalDate.of(2025, 8, 31), 2025)) // sunday
+    }
+
+    @Test fun isHolidaysInSchoolStartTest() {
+        assertFalse(isHolidays(LocalDate.of(2017, 9, 4), 2017)) // monday
+        assertFalse(isHolidays(LocalDate.of(2018, 9, 3), 2018)) // monday
+        assertFalse(isHolidays(LocalDate.of(2019, 9, 2), 2019)) // monday
+        assertFalse(isHolidays(LocalDate.of(2020, 9, 1), 2020)) // tuesday
+        assertFalse(isHolidays(LocalDate.of(2021, 9, 1), 2021)) // wednesday
+        assertFalse(isHolidays(LocalDate.of(2022, 9, 1), 2022)) // thursday
+        assertFalse(isHolidays(LocalDate.of(2023, 9, 4), 2023)) // monday
+        assertFalse(isHolidays(LocalDate.of(2024, 9, 2), 2024)) // monday
+        assertFalse(isHolidays(LocalDate.of(2025, 9, 1), 2025)) // monday
+    }
+}

build.gradle

@@ -1,4 +1,5 @@
 buildscript {
+    ext.kotlin_version = '1.2.51'
     repositories {
         mavenCentral()
         google()
@@ -8,18 +9,21 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.1.3'
         classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:2.6.2"
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.0'
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 plugins {
     // gradle dependencyUpdates -Drevision=release
-    id "com.github.ben-manes.versions" version "0.17.0"
+    id "com.github.ben-manes.versions" version "0.20.0"
 }
 
 project.ext.preDexLibs = !project.hasProperty("disablePreDex")
 subprojects {
+    apply plugin: 'build-dashboard' // build/reports/buildDashboard/index.html
+
     project.plugins.whenPluginAdded { plugin ->
         if ("com.android.build.gradle.AppPlugin" == plugin.class.name) {
             project.android.dexOptions.preDexLibraries = rootProject.ext.preDexLibs
@@ -32,13 +36,12 @@ subprojects {
 ext {
     GROUP_ID = "io.github.wulkanowy"
 
-    supportVersion = "26.1.0"
-    flexibleAdapter = "5.0.2"
-    flexibleUi = "1.0.0-b2"
-
+    supportVersion = "27.1.1"
+    flexibleAdapter = "5.0.5"
+    flexibleUi = "1.0.0-b5"
     firebaseJob = "0.8.5"
     apacheLang = "3.7"
-    apacheCollections = "4.1"
+    apacheCollections = "4.2"
     greenDao = "3.2.2"
     greenDaoHelper = "v2.0.2"
     greenDaoGradle = "3.2.2"
@@ -48,21 +51,19 @@ ext {
     ahbottom = "2.2.0"
     jsoup = "1.11.3"
     gson = "2.8.5"
-    ossLicenses = "15.0.1"
-
+    ossLicenses = "16.0.0"
     slf4jApi = "1.7.25"
     slf4jTimber = "1.0.1"
-    timber = "4.7.0"
+    timber = "4.7.1"
 
-    debugDb = "1.0.3"
-    sqlcipher = "3.5.9"
+    debugDb = "1.0.4"
 
     junit = "4.12"
-    mockito = "2.18.3"
+    mockito = "2.19.1"
     testRunner = "1.0.2"
 
     fabricGradle = "1.25.4"
-    crashlyticsSdk = "2.9.3"
+    crashlyticsSdk = "2.9.4"
     crashlyticsAnswers = "1.4.2"
 
     playPublisher = "1.2.2"
@@ -73,10 +74,22 @@ allprojects {
         mavenCentral()
         google()
         jcenter()
-        maven { url "https://jitpack.io" }
     }
 }
 
 task clean(type: Delete) {
     delete rootProject.buildDir
 }
+
+dependencyUpdates.resolutionStrategy {
+    componentSelection { rules ->
+        rules.all { ComponentSelection selection ->
+            boolean rejected = ['alpha', 'beta', 'rc', 'cr', 'm'].any { qualifier ->
+                selection.candidate.version ==~ /(?i).*[.-]${qualifier}[.\d-]*/
+            }
+            if (rejected) {
+                selection.reject('Release candidate')
+            }
+        }
+    }
+}

jacoco.gradle

@@ -1,40 +0,0 @@
-apply plugin: "jacoco"
-
-jacoco {
-    toolVersion "0.8.1"
-}
-
-tasks.withType(Test) {
-    jacoco.includeNoLocationClasses = true
-}
-
-// run ./gradlew clean createDebugCoverageReport jacocoTestReport
-task jacocoTestReport(type: JacocoReport) {
-
-    group = "Reporting"
-    description = "Generate Jacoco coverage reports"
-
-    reports {
-        xml.enabled = true
-        html.enabled = true
-    }
-
-    def fileFilter = ["**/R.class",
-                      "**/R\$*.class",
-                      "**/BuildConfig.*",
-                      "**/Manifest*.*",
-                      "android/**/*.*",
-                      "**/Lambda.class",
-                      "**/*Lambda.class",
-                      "**/*Lambda*.class",
-                      "**/*Lambda*.*",
-                      "**/*Builder.*"
-    ]
-
-    def debugTree = fileTree(dir: "${buildDir}/intermediates/classes/debug", excludes: fileFilter)
-    def mainSrc = "${project.projectDir}/src/main/java"
-
-    sourceDirectories = files([mainSrc])
-    classDirectories = files([debugTree])
-    executionData = fileTree(dir: project.projectDir, includes: ["**/*.exec" , "**/*.ec"])
-}