Prepare app for MVP (#40)

.bettercodehub.yml

@@ -1,5 +1,5 @@
 exclude:
-- /app/src/main/java/io/github/wulkanowy/dao/entities/.*
+- /app/src/main/java/io/github/wulkanowy/db/dao/entities/.*
 component_depth: 1
 languages:
 - java

app/build.gradle

@@ -63,11 +63,14 @@ dependencies {
     implementation 'com.jakewharton:butterknife:8.8.1'
     implementation 'joda-time:joda-time:2.9.9'
     implementation 'com.github.javiersantos:AppUpdater:2.6.4'
+    implementation 'com.google.dagger:dagger-android:2.14.1'
+    implementation 'com.google.dagger:dagger-android-support:2.14.1'
 
+    annotationProcessor 'com.google.dagger:dagger-android-processor:2.14.1'
     annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
 
     debugImplementation 'com.amitshekhar.android:debug-db:1.0.1'
-    debugImplementation 'net.zetetic:android-database-sqlcipher:3.5.7@aar'
+    debugImplementation 'net.zetetic:android-database-sqlcipher:3.5.9'
 
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.mockito:mockito-core:2.11.0'

app/src/androidTest/java/io/github/wulkanowy/db/dao/DatabaseAccessTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao;
+package io.github.wulkanowy.db.dao;
 
 import android.support.test.InstrumentationRegistry;
 
@@ -9,9 +9,9 @@ import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import io.github.wulkanowy.dao.entities.DaoMaster;
+import io.github.wulkanowy.db.dao.entities.DaoMaster;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
 
 public class DatabaseAccessTest extends DatabaseAccess {
 
@@ -20,7 +20,7 @@ public class DatabaseAccessTest extends DatabaseAccess {
     @BeforeClass
     public static void setUpClass() {
         DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext()
-                , "wulkanowyTest-database");
+                , "wulkanowyTest-db");
         Database database = devOpenHelper.getWritableDb();
 
         daoSession = new DaoMaster(database).newSession();

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

@@ -1,10 +1,7 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
-
-import android.support.test.filters.SmallTest;
 
 import org.greenrobot.greendao.test.AbstractDaoTestLongPk;
 
-@SmallTest
 public class AccountTest extends AbstractDaoTestLongPk<AccountDao, Account> {
 
     public AccountTest() {

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.greenrobot.greendao.test.AbstractDaoTestLongPk;
 

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

@@ -1,10 +1,7 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
-
-import android.support.test.filters.SmallTest;
 
 import org.greenrobot.greendao.test.AbstractDaoTestLongPk;
 
-@SmallTest
 public class GradeTest extends AbstractDaoTestLongPk<GradeDao, Grade> {
 
     public GradeTest() {
@@ -16,6 +13,7 @@ public class GradeTest extends AbstractDaoTestLongPk<GradeDao, Grade> {
         Grade entity = new Grade();
         entity.setId(key);
         entity.setIsNew(false);
+        entity.setRead(false);
         return entity;
     }
 

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.greenrobot.greendao.test.AbstractDaoTestLongPk;
 

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

@@ -1,10 +1,7 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
-
-import android.support.test.filters.SmallTest;
 
 import org.greenrobot.greendao.test.AbstractDaoTestLongPk;
 
-@SmallTest
 public class SubjectTest extends AbstractDaoTestLongPk<SubjectDao, Subject> {
 
     public SubjectTest() {

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

@@ -1,10 +1,7 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.greenrobot.greendao.test.AbstractDaoTestLongPk;
 
-import io.github.wulkanowy.dao.entities.Week;
-import io.github.wulkanowy.dao.entities.WeekDao;
-
 public class WeekTest extends AbstractDaoTestLongPk<WeekDao, Week> {
 
     public WeekTest() {

app/src/androidTest/java/io/github/wulkanowy/services/VulcanSynchronizationTest.java

@@ -1,30 +0,0 @@
-package io.github.wulkanowy.services;
-
-import android.support.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import java.io.IOException;
-
-@RunWith(AndroidJUnit4.class)
-public class VulcanSynchronizationTest {
-
-    @Test(expected = IOException.class)
-    public void syncNoLoginSessionSubjectTest() throws IOException {
-        VulcanSynchronization vulcanSynchronization = new VulcanSynchronization(new LoginSession());
-        vulcanSynchronization.syncSubjectsAndGrades();
-    }
-
-    @Test(expected = IOException.class)
-    public void syncNoLoginSessionGradeTest() throws IOException {
-        VulcanSynchronization vulcanSynchronization = new VulcanSynchronization(new LoginSession());
-        vulcanSynchronization.syncGrades();
-    }
-
-    @Test(expected = IOException.class)
-    public void syncNoLoginSessionTimetableTest() throws IOException {
-        VulcanSynchronization vulcanSynchronization = new VulcanSynchronization(new LoginSession());
-        vulcanSynchronization.syncTimetable();
-    }
-}

app/src/androidTest/java/io/github/wulkanowy/services/sync/CurrentAccountLoginTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronization;
+package io.github.wulkanowy.services.sync;
 
 import android.content.Context;
 import android.content.SharedPreferences;
@@ -21,14 +21,12 @@ import io.github.wulkanowy.api.login.AccountPermissionException;
 import io.github.wulkanowy.api.login.BadCredentialsException;
 import io.github.wulkanowy.api.login.LoginErrorException;
 import io.github.wulkanowy.api.login.VulcanOfflineException;
-import io.github.wulkanowy.dao.entities.Account;
+import io.github.wulkanowy.db.dao.entities.Account;
-import io.github.wulkanowy.dao.entities.AccountDao;
+import io.github.wulkanowy.db.dao.entities.AccountDao;
-import io.github.wulkanowy.dao.entities.DaoMaster;
+import io.github.wulkanowy.db.dao.entities.DaoMaster;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.security.CryptoException;
+import io.github.wulkanowy.utils.security.CryptoException;
-import io.github.wulkanowy.security.Safety;
+import io.github.wulkanowy.utils.security.Safety;
-import io.github.wulkanowy.services.LoginSession;
-import io.github.wulkanowy.services.synchronisation.CurrentAccountLogin;
 
 @RunWith(AndroidJUnit4.class)
 public class CurrentAccountLoginTest {
@@ -41,11 +39,12 @@ public class CurrentAccountLoginTest {
 
     @BeforeClass
     public static void setUpClass() {
-
+        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-db");
-        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-database");
         Database database = devOpenHelper.getWritableDb();
-
         daoSession = new DaoMaster(database).newSession();
+
+        DaoMaster.dropAllTables(database, true);
+        DaoMaster.createAllTables(database, true);
     }
 
     @Before

app/src/androidTest/java/io/github/wulkanowy/services/sync/FirstAccountLoginTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronization;
+package io.github.wulkanowy.services.sync;
 
 import android.content.Context;
 import android.content.SharedPreferences;
@@ -16,12 +16,10 @@ import io.github.wulkanowy.api.StudentAndParent;
 import io.github.wulkanowy.api.Vulcan;
 import io.github.wulkanowy.api.user.BasicInformation;
 import io.github.wulkanowy.api.user.PersonalData;
-import io.github.wulkanowy.dao.entities.Account;
+import io.github.wulkanowy.db.dao.entities.Account;
-import io.github.wulkanowy.dao.entities.DaoMaster;
+import io.github.wulkanowy.db.dao.entities.DaoMaster;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.security.Safety;
+import io.github.wulkanowy.utils.security.Safety;
-import io.github.wulkanowy.services.LoginSession;
-import io.github.wulkanowy.services.synchronisation.FirstAccountLogin;
 
 public class FirstAccountLoginTest {
 
@@ -31,11 +29,12 @@ public class FirstAccountLoginTest {
 
     @BeforeClass
     public static void setUpClass() {
-
+        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-db");
-        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-database");
         Database database = devOpenHelper.getWritableDb();
-
         daoSession = new DaoMaster(database).newSession();
+
+        DaoMaster.dropAllTables(database, true);
+        DaoMaster.createAllTables(database, true);
     }
 
     @Before

app/src/androidTest/java/io/github/wulkanowy/services/sync/GradeSyncTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronization;
+package io.github.wulkanowy.services.sync;
 
 import android.support.test.InstrumentationRegistry;
 import android.support.test.runner.AndroidJUnit4;
@@ -18,24 +18,24 @@ import java.util.List;
 import io.github.wulkanowy.api.Vulcan;
 import io.github.wulkanowy.api.grades.Grade;
 import io.github.wulkanowy.api.grades.GradesList;
-import io.github.wulkanowy.dao.entities.Account;
+import io.github.wulkanowy.db.dao.entities.Account;
-import io.github.wulkanowy.dao.entities.DaoMaster;
+import io.github.wulkanowy.db.dao.entities.DaoMaster;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.dao.entities.Subject;
+import io.github.wulkanowy.db.dao.entities.Subject;
-import io.github.wulkanowy.services.LoginSession;
-import io.github.wulkanowy.services.synchronisation.GradesSynchronisation;
 
 @RunWith(AndroidJUnit4.class)
-public class GradeSynchronizationTest {
+public class GradeSyncTest {
 
     private static DaoSession daoSession;
 
     @BeforeClass
     public static void setUpClass() {
-        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-database");
+        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-db");
         Database database = devOpenHelper.getWritableDb();
-
         daoSession = new DaoMaster(database).newSession();
+
+        DaoMaster.dropAllTables(database, true);
+        DaoMaster.createAllTables(database, true);
     }
 
     @Before
@@ -65,10 +65,10 @@ public class GradeSynchronizationTest {
         Mockito.doReturn(daoSession).when(loginSession).getDaoSession();
         Mockito.doReturn(userId).when(loginSession).getUserId();
 
-        GradesSynchronisation gradesSynchronisation = new GradesSynchronisation();
+        GradesSync gradesSync = new GradesSync();
-        gradesSynchronisation.sync(loginSession);
+        gradesSync.sync(loginSession);
 
-        io.github.wulkanowy.dao.entities.Grade grade = daoSession.getGradeDao().load(1L);
+        io.github.wulkanowy.db.dao.entities.Grade grade = daoSession.getGradeDao().load(1L);
 
         Assert.assertNotNull(grade);
         Assert.assertEquals(userId, grade.getUserId());

app/src/androidTest/java/io/github/wulkanowy/services/sync/SubjectSyncTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronization;
+package io.github.wulkanowy.services.sync;
 
 import android.support.test.InstrumentationRegistry;
 import android.support.test.runner.AndroidJUnit4;
@@ -17,23 +17,23 @@ import java.util.List;
 
 import io.github.wulkanowy.api.Vulcan;
 import io.github.wulkanowy.api.grades.SubjectsList;
-import io.github.wulkanowy.dao.entities.DaoMaster;
+import io.github.wulkanowy.db.dao.entities.DaoMaster;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.dao.entities.Subject;
+import io.github.wulkanowy.db.dao.entities.Subject;
-import io.github.wulkanowy.services.LoginSession;
-import io.github.wulkanowy.services.synchronisation.SubjectsSynchronisation;
 
 @RunWith(AndroidJUnit4.class)
-public class SubjectSynchronizationTest {
+public class SubjectSyncTest {
 
     private static DaoSession daoSession;
 
     @BeforeClass
     public static void setUpClass() {
-        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-database");
+        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-db");
         Database database = devOpenHelper.getWritableDb();
-
         daoSession = new DaoMaster(database).newSession();
+
+        DaoMaster.dropAllTables(database, true);
+        DaoMaster.createAllTables(database, true);
     }
 
     @Before
@@ -61,8 +61,8 @@ public class SubjectSynchronizationTest {
         Mockito.doReturn(2L).when(loginSession).getUserId();
         Mockito.doReturn(daoSession).when(loginSession).getDaoSession();
 
-        SubjectsSynchronisation subjectsSynchronisation = new SubjectsSynchronisation();
+        SubjectsSync subjectsSync = new SubjectsSync();
-        subjectsSynchronisation.sync(loginSession);
+        subjectsSync.sync(loginSession);
 
         Subject subject = daoSession.getSubjectDao().load(1L);
 

app/src/androidTest/java/io/github/wulkanowy/services/sync/TimetableSyncTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronization;
+package io.github.wulkanowy.services.sync;
 
 import android.support.test.InstrumentationRegistry;
 import android.support.test.runner.AndroidJUnit4;
@@ -6,7 +6,6 @@ import android.support.test.runner.AndroidJUnit4;
 import org.greenrobot.greendao.database.Database;
 import org.junit.AfterClass;
 import org.junit.Assert;
-import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -19,27 +18,27 @@ import io.github.wulkanowy.api.timetable.Day;
 import io.github.wulkanowy.api.timetable.Lesson;
 import io.github.wulkanowy.api.timetable.Timetable;
 import io.github.wulkanowy.api.timetable.Week;
-import io.github.wulkanowy.dao.entities.Account;
+import io.github.wulkanowy.db.dao.entities.Account;
-import io.github.wulkanowy.dao.entities.DaoMaster;
+import io.github.wulkanowy.db.dao.entities.DaoMaster;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.services.LoginSession;
-import io.github.wulkanowy.services.synchronisation.TimetableSynchronization;
 
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 
 @RunWith(AndroidJUnit4.class)
-public class TimetableSynchronizationTest {
+public class TimetableSyncTest {
 
     private static DaoSession daoSession;
 
     @BeforeClass
     public static void setUpClass() {
-        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-database");
+        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(InstrumentationRegistry.getTargetContext(), "wulkanowyTest-db");
         Database database = devOpenHelper.getWritableDb();
-
         daoSession = new DaoMaster(database).newSession();
+
+        DaoMaster.dropAllTables(database, true);
+        DaoMaster.createAllTables(database, true);
     }
 
     @Test
@@ -70,11 +69,11 @@ public class TimetableSynchronizationTest {
         doReturn(daoSession).when(loginSession).getDaoSession();
         doReturn(userId).when(loginSession).getUserId();
 
-        TimetableSynchronization timetableSynchronization = new TimetableSynchronization();
+        TimetableSync timetableSync = new TimetableSync();
-        timetableSynchronization.sync(loginSession, null);
+        timetableSync.sync(loginSession, null);
 
-        List<io.github.wulkanowy.dao.entities.Day> dayEntityList = daoSession.getDayDao().loadAll();
+        List<io.github.wulkanowy.db.dao.entities.Day> dayEntityList = daoSession.getDayDao().loadAll();
-        List<io.github.wulkanowy.dao.entities.Lesson> lessonEntityList = dayEntityList.get(0).getLessons();
+        List<io.github.wulkanowy.db.dao.entities.Lesson> lessonEntityList = dayEntityList.get(0).getLessons();
 
         Assert.assertNotNull(dayEntityList.get(0));
         Assert.assertEquals(userId, dayEntityList.get(0).getUserId());
@@ -85,19 +84,12 @@ public class TimetableSynchronizationTest {
 
     }
 
-    @Before
-    public void setUp() {
-        daoSession.getAccountDao().deleteAll();
-        daoSession.getDayDao().deleteAll();
-        daoSession.getLessonDao().deleteAll();
-        daoSession.clear();
-    }
-
     @AfterClass
     public static void cleanUp() {
         daoSession.getAccountDao().deleteAll();
         daoSession.getDayDao().deleteAll();
         daoSession.getLessonDao().deleteAll();
+        daoSession.getWeekDao().deleteAll();
         daoSession.clear();
     }
 }

app/src/androidTest/java/io/github/wulkanowy/services/sync/VulcanSyncTest.java

@@ -0,0 +1,30 @@
+package io.github.wulkanowy.services.sync;
+
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.io.IOException;
+
+@RunWith(AndroidJUnit4.class)
+public class VulcanSyncTest {
+
+    @Test(expected = IOException.class)
+    public void syncNoLoginSessionSubjectTest() throws IOException {
+        VulcanSync vulcanSync = new VulcanSync(new LoginSession());
+        vulcanSync.syncSubjectsAndGrades();
+    }
+
+    @Test(expected = IOException.class)
+    public void syncNoLoginSessionGradeTest() throws IOException {
+        VulcanSync vulcanSync = new VulcanSync(new LoginSession());
+        vulcanSync.syncGrades();
+    }
+
+    @Test(expected = IOException.class)
+    public void syncNoLoginSessionTimetableTest() throws IOException {
+        VulcanSync vulcanSync = new VulcanSync(new LoginSession());
+        vulcanSync.syncTimetable();
+    }
+}

app/src/androidTest/java/io/github/wulkanowy/utils/security/SafetyTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.security;
+package io.github.wulkanowy.utils.security;
 
 import android.content.Context;
 import android.support.test.InstrumentationRegistry;

app/src/androidTest/java/io/github/wulkanowy/utils/security/ScramblerTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.security;
+package io.github.wulkanowy.utils.security;
 
 import android.content.Context;
 import android.os.Build;

app/src/main/AndroidManifest.xml

@@ -14,7 +14,7 @@
     <uses-sdk tools:overrideLibrary="com.thoughtbot.expandablerecyclerview" />
 
     <application
-        android:name=".ui.WulkanowyApp"
+        android:name=".WulkanowyApp"
         android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"

app/src/main/java/io/github/wulkanowy/WulkanowyApp.java

@@ -1,17 +1,15 @@
-package io.github.wulkanowy.ui;
+package io.github.wulkanowy;
 
 import android.app.Application;
 import android.content.Context;
 import android.content.SharedPreferences;
 
-import org.greenrobot.greendao.database.Database;
 import org.greenrobot.greendao.query.QueryBuilder;
 
 import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.utils.Log;
-import io.github.wulkanowy.dao.entities.DaoMaster;
+import io.github.wulkanowy.db.dao.entities.DaoMaster;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-
 
 public class WulkanowyApp extends Application {
 
@@ -22,12 +20,14 @@ public class WulkanowyApp extends Application {
     @Override
     public void onCreate() {
         super.onCreate();
+
+        if (BuildConfig.DEBUG) {
             enableDebugLog();
+        }
 
-        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(this, "wulkanowy-database");
+        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(this, "wulkanowy-db");
-        Database database = devOpenHelper.getWritableDb();
 
-        daoSession = new DaoMaster(database).newSession();
+        daoSession = new DaoMaster(devOpenHelper.getWritableDb()).newSession();
 
         int schemaVersion = getSharedPreferences("LoginData", Context.MODE_PRIVATE).getInt("schemaVersion", 0);
 

app/src/main/java/io/github/wulkanowy/db/dao/DatabaseAccess.java

@@ -1,12 +1,12 @@
-package io.github.wulkanowy.dao;
+package io.github.wulkanowy.db.dao;
 
 import org.greenrobot.greendao.query.Query;
 
 import java.util.List;
 
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
-import io.github.wulkanowy.dao.entities.GradeDao;
+import io.github.wulkanowy.db.dao.entities.GradeDao;
 
 public class DatabaseAccess {
 

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.greenrobot.greendao.DaoException;
 import org.greenrobot.greendao.annotation.Entity;

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.greenrobot.greendao.DaoException;
 import org.greenrobot.greendao.annotation.Entity;

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import android.os.Parcel;
 import android.os.Parcelable;

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.greenrobot.greendao.DaoException;
 import org.greenrobot.greendao.annotation.Entity;

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.greenrobot.greendao.DaoException;
 import org.greenrobot.greendao.annotation.Entity;

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.greenrobot.greendao.DaoException;
 import org.greenrobot.greendao.annotation.Entity;

app/src/main/java/io/github/wulkanowy/di/modules/ApplicationModule.java

@@ -0,0 +1,27 @@
+package io.github.wulkanowy.di.modules;
+
+import android.app.Application;
+import android.content.Context;
+
+import dagger.Module;
+import dagger.Provides;
+
+@Module
+public class ApplicationModule {
+
+    protected final Application application;
+
+    public ApplicationModule(Application application) {
+        this.application = application;
+    }
+
+    @Provides
+    Application provideApplication() {
+        return application;
+    }
+
+    @Provides
+    Context provideAppContext() {
+        return application;
+    }
+}

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

@@ -15,15 +15,15 @@ import java.util.List;
 import java.util.Random;
 
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.dao.DatabaseAccess;
+import io.github.wulkanowy.WulkanowyApp;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.DatabaseAccess;
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.services.VulcanSynchronization;
+import io.github.wulkanowy.db.dao.entities.Grade;
 import io.github.wulkanowy.services.notifications.NotificationBuilder;
-import io.github.wulkanowy.ui.WulkanowyApp;
+import io.github.wulkanowy.services.sync.VulcanSync;
 import io.github.wulkanowy.ui.main.DashboardActivity;
 
-public class FullSyncJob extends VulcanJobHelper<FullSyncJob> {
+public class FullSyncJob extends VulcanJobHelper {
 
     private static final String UNIQUE_TAG = "FullSync";
 
@@ -51,7 +51,7 @@ public class FullSyncJob extends VulcanJobHelper<FullSyncJob> {
         public void workToBePerformed() throws Exception {
             DaoSession daoSession = ((WulkanowyApp) getApplication()).getDaoSession();
 
-            VulcanSynchronization synchronization = new VulcanSynchronization()
+            VulcanSync synchronization = new VulcanSync()
                     .loginCurrentUser(getApplicationContext(), daoSession);
             synchronization.syncAll();
             List<Grade> newGradeList = new DatabaseAccess().getNewGrades(daoSession);

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

@@ -8,16 +8,14 @@ import com.firebase.jobdispatcher.FirebaseJobDispatcher;
 import com.firebase.jobdispatcher.GooglePlayDriver;
 import com.firebase.jobdispatcher.Job;
 
-public abstract class VulcanJobHelper<T extends VulcanJobHelper> {
+public abstract class VulcanJobHelper {
 
     public static final String DEBUG_TAG = "SynchronizationService";
 
-    @SuppressWarnings("unchecked")
+    public final void scheduledJob(Context context) {
-    public final T scheduledJob(Context context) {
         FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(new GooglePlayDriver(context));
         dispatcher.mustSchedule(createJob(dispatcher));
         Log.i(DEBUG_TAG, "Wulkanowy Job is initiation: " + this.toString());
-        return (T) this;
     }
 
     protected abstract Job createJob(FirebaseJobDispatcher dispatcher);

app/src/main/java/io/github/wulkanowy/services/sync/CurrentAccountLogin.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronisation;
+package io.github.wulkanowy.services.sync;
 
 import android.content.Context;
 import android.util.Log;
@@ -10,13 +10,12 @@ import io.github.wulkanowy.api.login.AccountPermissionException;
 import io.github.wulkanowy.api.login.BadCredentialsException;
 import io.github.wulkanowy.api.login.LoginErrorException;
 import io.github.wulkanowy.api.login.VulcanOfflineException;
-import io.github.wulkanowy.dao.entities.Account;
+import io.github.wulkanowy.db.dao.entities.Account;
-import io.github.wulkanowy.dao.entities.AccountDao;
+import io.github.wulkanowy.db.dao.entities.AccountDao;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.security.CryptoException;
-import io.github.wulkanowy.security.Safety;
-import io.github.wulkanowy.services.LoginSession;
 import io.github.wulkanowy.services.jobs.VulcanJobHelper;
+import io.github.wulkanowy.utils.security.CryptoException;
+import io.github.wulkanowy.utils.security.Safety;
 
 public class CurrentAccountLogin {
 

app/src/main/java/io/github/wulkanowy/services/sync/FirstAccountLogin.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronisation;
+package io.github.wulkanowy.services.sync;
 
 import android.content.Context;
 import android.content.SharedPreferences;
@@ -10,12 +10,11 @@ import io.github.wulkanowy.api.login.AccountPermissionException;
 import io.github.wulkanowy.api.login.BadCredentialsException;
 import io.github.wulkanowy.api.login.NotLoggedInErrorException;
 import io.github.wulkanowy.api.login.VulcanOfflineException;
-import io.github.wulkanowy.dao.entities.Account;
+import io.github.wulkanowy.db.dao.entities.Account;
-import io.github.wulkanowy.dao.entities.AccountDao;
+import io.github.wulkanowy.db.dao.entities.AccountDao;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.security.CryptoException;
+import io.github.wulkanowy.utils.security.CryptoException;
-import io.github.wulkanowy.security.Safety;
+import io.github.wulkanowy.utils.security.Safety;
-import io.github.wulkanowy.services.LoginSession;
 
 public class FirstAccountLogin {
 

app/src/main/java/io/github/wulkanowy/services/sync/GradesSync.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronisation;
+package io.github.wulkanowy.services.sync;
 
 import android.util.Log;
 
@@ -11,18 +11,17 @@ import java.util.List;
 
 import io.github.wulkanowy.api.grades.GradesList;
 import io.github.wulkanowy.api.login.NotLoggedInErrorException;
-import io.github.wulkanowy.dao.EntitiesCompare;
+import io.github.wulkanowy.db.dao.entities.Account;
-import io.github.wulkanowy.dao.entities.Account;
+import io.github.wulkanowy.db.dao.entities.AccountDao;
-import io.github.wulkanowy.dao.entities.AccountDao;
+import io.github.wulkanowy.db.dao.entities.Grade;
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.GradeDao;
-import io.github.wulkanowy.dao.entities.GradeDao;
+import io.github.wulkanowy.db.dao.entities.Subject;
-import io.github.wulkanowy.dao.entities.Subject;
+import io.github.wulkanowy.db.dao.entities.SubjectDao;
-import io.github.wulkanowy.dao.entities.SubjectDao;
-import io.github.wulkanowy.services.LoginSession;
 import io.github.wulkanowy.services.jobs.VulcanJobHelper;
-import io.github.wulkanowy.utilities.ConversionVulcanObject;
+import io.github.wulkanowy.utils.DataObjectConverter;
+import io.github.wulkanowy.utils.EntitiesCompare;
 
-public class GradesSynchronisation {
+public class GradesSync {
 
     public void sync(LoginSession loginSession) throws IOException,
             ParseException, NotLoggedInErrorException {
@@ -39,7 +38,7 @@ public class GradesSynchronisation {
         account.resetSubjectList();
 
         List<Grade> gradesFromDb = account.getGradeList();
-        List<Grade> gradeEntitiesList = ConversionVulcanObject.gradesToGradeEntities(gradesList.getAll());
+        List<Grade> gradeEntitiesList = DataObjectConverter.gradesToGradeEntities(gradesList.getAll());
         List<Grade> updatedList = EntitiesCompare.compareGradeList(gradeEntitiesList, gradesFromDb);
         List<Grade> lastList = new ArrayList<>();
 

app/src/main/java/io/github/wulkanowy/services/sync/LoginSession.java

@@ -1,11 +1,12 @@
-package io.github.wulkanowy.services;
+package io.github.wulkanowy.services.sync;
 
 
 import org.apache.commons.lang3.builder.EqualsBuilder;
 import org.apache.commons.lang3.builder.HashCodeBuilder;
 
 import io.github.wulkanowy.api.Vulcan;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
+
 
 public class LoginSession {
 

app/src/main/java/io/github/wulkanowy/services/sync/SubjectsSync.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronisation;
+package io.github.wulkanowy.services.sync;
 
 import android.util.Log;
 
@@ -8,13 +8,12 @@ import java.util.List;
 
 import io.github.wulkanowy.api.grades.SubjectsList;
 import io.github.wulkanowy.api.login.NotLoggedInErrorException;
-import io.github.wulkanowy.dao.entities.Subject;
+import io.github.wulkanowy.db.dao.entities.Subject;
-import io.github.wulkanowy.dao.entities.SubjectDao;
+import io.github.wulkanowy.db.dao.entities.SubjectDao;
-import io.github.wulkanowy.services.LoginSession;
 import io.github.wulkanowy.services.jobs.VulcanJobHelper;
-import io.github.wulkanowy.utilities.ConversionVulcanObject;
+import io.github.wulkanowy.utils.DataObjectConverter;
 
-public class SubjectsSynchronisation {
+public class SubjectsSync {
 
     public void sync(LoginSession loginSession) throws IOException,
             NotLoggedInErrorException {
@@ -22,7 +21,7 @@ public class SubjectsSynchronisation {
         SubjectsList subjectsList = loginSession.getVulcan().getSubjectsList();
         SubjectDao subjectDao = loginSession.getDaoSession().getSubjectDao();
 
-        List<Subject> subjectEntitiesList = ConversionVulcanObject.subjectsToSubjectEntities(subjectsList.getAll());
+        List<Subject> subjectEntitiesList = DataObjectConverter.subjectsToSubjectEntities(subjectsList.getAll());
         List<Subject> preparedList = new ArrayList<>();
 
         for (Subject subject : subjectEntitiesList) {

app/src/main/java/io/github/wulkanowy/services/sync/TimetableSync.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services.synchronisation;
+package io.github.wulkanowy.services.sync;
 
 
 import android.support.annotation.NonNull;
@@ -15,16 +15,15 @@ import java.util.List;
 import io.github.wulkanowy.api.login.NotLoggedInErrorException;
 import io.github.wulkanowy.api.timetable.Day;
 import io.github.wulkanowy.api.timetable.Week;
-import io.github.wulkanowy.dao.entities.DayDao;
+import io.github.wulkanowy.db.dao.entities.DayDao;
-import io.github.wulkanowy.dao.entities.Lesson;
+import io.github.wulkanowy.db.dao.entities.Lesson;
-import io.github.wulkanowy.dao.entities.LessonDao;
+import io.github.wulkanowy.db.dao.entities.LessonDao;
-import io.github.wulkanowy.dao.entities.WeekDao;
+import io.github.wulkanowy.db.dao.entities.WeekDao;
-import io.github.wulkanowy.services.LoginSession;
 import io.github.wulkanowy.services.jobs.VulcanJobHelper;
-import io.github.wulkanowy.utilities.ConversionVulcanObject;
+import io.github.wulkanowy.utils.DataObjectConverter;
-import io.github.wulkanowy.utilities.TimeUtilities;
+import io.github.wulkanowy.utils.TimeUtils;
 
-public class TimetableSynchronization {
+public class TimetableSync {
 
     public void sync(@NonNull LoginSession loginSession, @Nullable String dateOfMonday) throws NotLoggedInErrorException,
             IOException, ParseException {
@@ -36,17 +35,17 @@ public class TimetableSynchronization {
 
         Week week = dateOfMonday == null ? loginSession.getVulcan().getTimetable().getWeekTable()
                 : loginSession.getVulcan().getTimetable()
-                .getWeekTable(String.valueOf(TimeUtilities.getNetTicks(dateOfMonday, "yyyy-MM-dd")));
+                .getWeekTable(String.valueOf(TimeUtils.getNetTicks(dateOfMonday, "yyyy-MM-dd")));
 
-        Query<io.github.wulkanowy.dao.entities.Week> weekQuery = weekDao.queryBuilder()
+        Query<io.github.wulkanowy.db.dao.entities.Week> weekQuery = weekDao.queryBuilder()
                 .where(WeekDao.Properties.UserId.eq(loginSession.getUserId()), WeekDao.Properties.StartDayDate.eq(week.getStartDayDate())).build();
 
-        io.github.wulkanowy.dao.entities.Week week1 = weekQuery.unique();
+        io.github.wulkanowy.db.dao.entities.Week week1 = weekQuery.unique();
 
         if (week1 != null) {
             weekId = week1.getId();
         } else {
-            weekId = weekDao.insert(ConversionVulcanObject.weekToWeekEntitie(week).setUserId(loginSession.getUserId()));
+            weekId = weekDao.insert(DataObjectConverter.weekToWeekEntitie(week).setUserId(loginSession.getUserId()));
         }
 
         List<Day> dayList = week.getDays();
@@ -56,29 +55,34 @@ public class TimetableSynchronization {
         Log.d(VulcanJobHelper.DEBUG_TAG, "Synchronization days (amount = " + dayList.size() + ")");
 
         List<Lesson> lessonList = new ArrayList<>();
-        lessonList.addAll(getPreparedLessonsList(dayList, dayDao, lessonDao));
+        lessonList.addAll(getPreparedLessonsList(dayList, dayDao, lessonDao, loginSession.getUserId(), weekId));
 
         lessonDao.saveInTx(lessonList);
 
         Log.d(VulcanJobHelper.DEBUG_TAG, "Synchronization lessons (amount = " + lessonList.size() + ")");
     }
 
-    private List<Lesson> getPreparedLessonsList(List<Day> dayList, DayDao dayDao, LessonDao lessonDao) {
+    private List<Lesson> getPreparedLessonsList(List<Day> dayList, DayDao dayDao, LessonDao lessonDao, long userId, long weekId) {
         List<Lesson> allLessonsList = new ArrayList<>();
 
         for (Day day : dayList) {
 
-            Query<io.github.wulkanowy.dao.entities.Day> dayQuery = dayDao.queryBuilder()
+            Query<io.github.wulkanowy.db.dao.entities.Day> dayQuery = dayDao.queryBuilder()
-                    .where(DayDao.Properties.Date.eq(day.getDate()))
+                    .where(DayDao.Properties.Date.eq(day.getDate()),
+                            DayDao.Properties.UserId.eq(userId),
+                            DayDao.Properties.WeekId.eq(weekId))
                     .build();
 
-            List<Lesson> lessonEntityList = ConversionVulcanObject.lessonsToLessonsEntities(day.getLessons());
+            List<Lesson> lessonEntityList = DataObjectConverter.lessonsToLessonsEntities(day.getLessons());
             List<Lesson> updatedLessonEntityList = new ArrayList<>();
 
             for (Lesson lesson : lessonEntityList) {
-                Query<Lesson> lessonQuery = lessonDao.queryBuilder().where(LessonDao.Properties.DayId.eq(dayQuery.uniqueOrThrow().getId()), LessonDao.Properties.Date.eq(lesson.getDate()),
+                Lesson lesson1 = lessonDao.queryBuilder()
-                        LessonDao.Properties.StartTime.eq(lesson.getStartTime()), LessonDao.Properties.EndTime.eq(lesson.getEndTime())).build();
+                        .where(LessonDao.Properties.DayId.eq(dayQuery.uniqueOrThrow().getId()),
-                Lesson lesson1 = lessonQuery.unique();
+                                LessonDao.Properties.Date.eq(lesson.getDate()),
+                                LessonDao.Properties.StartTime.eq(lesson.getStartTime()),
+                                LessonDao.Properties.EndTime.eq(lesson.getEndTime()))
+                        .unique();
 
                 if (lesson1 != null) {
                     lesson.setId(lesson1.getId());
@@ -94,15 +98,15 @@ public class TimetableSynchronization {
         return allLessonsList;
     }
 
-    private List<io.github.wulkanowy.dao.entities.Day> getPreparedDaysList(List<Day> dayList, long userId, long weekId, DayDao dayDao) {
+    private List<io.github.wulkanowy.db.dao.entities.Day> getPreparedDaysList(List<Day> dayList, long userId, long weekId, DayDao dayDao) {
-        List<io.github.wulkanowy.dao.entities.Day> updatedDayList = new ArrayList<>();
+        List<io.github.wulkanowy.db.dao.entities.Day> updatedDayList = new ArrayList<>();
-        List<io.github.wulkanowy.dao.entities.Day> dayEntityList = ConversionVulcanObject
+        List<io.github.wulkanowy.db.dao.entities.Day> dayEntityList = DataObjectConverter
                 .daysToDaysEntities(dayList);
-        for (io.github.wulkanowy.dao.entities.Day day : dayEntityList) {
+        for (io.github.wulkanowy.db.dao.entities.Day day : dayEntityList) {
 
-            Query<io.github.wulkanowy.dao.entities.Day> dayQuery = dayDao.queryBuilder().where(DayDao.Properties.UserId.eq(userId), DayDao.Properties.WeekId.eq(weekId), DayDao.Properties.Date.eq(day.getDate())).build();
+            Query<io.github.wulkanowy.db.dao.entities.Day> dayQuery = dayDao.queryBuilder().where(DayDao.Properties.UserId.eq(userId), DayDao.Properties.WeekId.eq(weekId), DayDao.Properties.Date.eq(day.getDate())).build();
 
-            io.github.wulkanowy.dao.entities.Day day1 = dayQuery.unique();
+            io.github.wulkanowy.db.dao.entities.Day day1 = dayQuery.unique();
 
             if (day1 != null) {
                 day.setId(day1.getId());

app/src/main/java/io/github/wulkanowy/services/sync/VulcanSync.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.services;
+package io.github.wulkanowy.services.sync;
 
 import android.content.Context;
 import android.support.annotation.Nullable;
@@ -12,24 +12,19 @@ import io.github.wulkanowy.api.login.BadCredentialsException;
 import io.github.wulkanowy.api.login.LoginErrorException;
 import io.github.wulkanowy.api.login.NotLoggedInErrorException;
 import io.github.wulkanowy.api.login.VulcanOfflineException;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.security.CryptoException;
 import io.github.wulkanowy.services.jobs.VulcanJobHelper;
-import io.github.wulkanowy.services.synchronisation.CurrentAccountLogin;
+import io.github.wulkanowy.utils.security.CryptoException;
-import io.github.wulkanowy.services.synchronisation.FirstAccountLogin;
-import io.github.wulkanowy.services.synchronisation.GradesSynchronisation;
-import io.github.wulkanowy.services.synchronisation.SubjectsSynchronisation;
-import io.github.wulkanowy.services.synchronisation.TimetableSynchronization;
 
-public class VulcanSynchronization {
+public class VulcanSync {
 
     private LoginSession loginSession;
 
-    public VulcanSynchronization(LoginSession loginSession) {
+    public VulcanSync(LoginSession loginSession) {
         this.loginSession = loginSession;
     }
 
-    public VulcanSynchronization() {
+    public VulcanSync() {
         this.loginSession = new LoginSession();
     }
 
@@ -39,12 +34,12 @@ public class VulcanSynchronization {
         loginSession = firstAccountLogin.login(email, password, symbol);
     }
 
-    public VulcanSynchronization loginCurrentUser(Context context, DaoSession daoSession) throws CryptoException,
+    public VulcanSync loginCurrentUser(Context context, DaoSession daoSession) throws CryptoException,
             BadCredentialsException, AccountPermissionException, LoginErrorException, IOException, VulcanOfflineException {
         return loginCurrentUser(context, daoSession, new Vulcan());
     }
 
-    public VulcanSynchronization loginCurrentUser(Context context, DaoSession daoSession, Vulcan vulcan)
+    public VulcanSync loginCurrentUser(Context context, DaoSession daoSession, Vulcan vulcan)
             throws CryptoException, BadCredentialsException, AccountPermissionException,
             LoginErrorException, IOException, VulcanOfflineException {
 
@@ -60,31 +55,31 @@ public class VulcanSynchronization {
 
     public void syncGrades() throws IOException {
         if (loginSession != null) {
-            GradesSynchronisation gradesSynchronisation = new GradesSynchronisation();
+            GradesSync gradesSync = new GradesSync();
             try {
-                gradesSynchronisation.sync(loginSession);
+                gradesSync.sync(loginSession);
             } catch (Exception e) {
                 Log.e(VulcanJobHelper.DEBUG_TAG, "Synchronisation of grades failed", e);
                 throw new IOException(e.getCause());
             }
         } else {
-            Log.e(VulcanJobHelper.DEBUG_TAG, "Before synchronization, should login user to log",
+            Log.e(VulcanJobHelper.DEBUG_TAG, "Before sync, should login user to log",
                     new UnsupportedOperationException());
         }
     }
 
     public void syncSubjectsAndGrades() throws IOException {
         if (loginSession != null) {
-            SubjectsSynchronisation subjectsSynchronisation = new SubjectsSynchronisation();
+            SubjectsSync subjectsSync = new SubjectsSync();
             try {
-                subjectsSynchronisation.sync(loginSession);
+                subjectsSync.sync(loginSession);
                 syncGrades();
             } catch (Exception e) {
                 Log.e(VulcanJobHelper.DEBUG_TAG, "Synchronisation of subjects failed", e);
                 throw new IOException(e.getCause());
             }
         } else {
-            Log.e(VulcanJobHelper.DEBUG_TAG, "Before synchronization, should login user to log",
+            Log.e(VulcanJobHelper.DEBUG_TAG, "Before sync, should login user to log",
                     new UnsupportedOperationException());
         }
     }
@@ -95,15 +90,15 @@ public class VulcanSynchronization {
 
     public void syncTimetable(@Nullable String date) throws IOException {
         if (loginSession != null) {
-            TimetableSynchronization timetableSynchronization = new TimetableSynchronization();
+            TimetableSync timetableSync = new TimetableSync();
             try {
-                timetableSynchronization.sync(loginSession, date);
+                timetableSync.sync(loginSession, date);
             } catch (Exception e) {
                 Log.e(VulcanJobHelper.DEBUG_TAG, "Synchronization of timetable failed", e);
                 throw new IOException(e.getCause());
             }
         } else {
-            Log.e(VulcanJobHelper.DEBUG_TAG, "Before synchronization, should login user to log",
+            Log.e(VulcanJobHelper.DEBUG_TAG, "Before sync, should login user to log",
                     new UnsupportedOperationException());
         }
     }

app/src/main/java/io/github/wulkanowy/ui/login/LoginActivity.java

@@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.login;
 
 import android.app.Activity;
-import android.content.Context;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
@@ -12,7 +11,6 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.inputmethod.EditorInfo;
-import android.view.inputmethod.InputMethodManager;
 import android.widget.ArrayAdapter;
 import android.widget.AutoCompleteTextView;
 import android.widget.Button;
@@ -23,6 +21,7 @@ import java.util.LinkedHashMap;
 
 import io.github.wulkanowy.R;
 import io.github.wulkanowy.services.Updater;
+import io.github.wulkanowy.utils.KeyboardUtils;
 
 /**
  * A login screen that offers login via email/password.
@@ -178,7 +177,7 @@ public class LoginActivity extends Activity {
             LoginTask authTask = new LoginTask(this, email, password, symbol);
             authTask.showProgress(true);
             authTask.execute();
-            hideSoftKeyboard();
+            KeyboardUtils.hideSoftInput(this);
         }
     }
 
@@ -190,15 +189,6 @@ public class LoginActivity extends Activity {
         return password.length() > 4;
     }
 
-    private void hideSoftKeyboard() {
-        InputMethodManager manager = (InputMethodManager)
-                getSystemService(Context.INPUT_METHOD_SERVICE);
-        if (manager != null) {
-            manager.hideSoftInputFromWindow(getWindow()
-                    .getDecorView().getApplicationWindowToken(), 0);
-        }
-    }
-
     @Override
     public boolean dispatchTouchEvent(MotionEvent ev) {
 
@@ -220,7 +210,7 @@ public class LoginActivity extends Activity {
                     float y = ev.getRawY() + view.getTop() - coordinators[1];
                     if (x < view.getLeft() || x > view.getRight() || y < view.getTop()
                             || y > view.getBottom()) {
-                        hideSoftKeyboard();
+                        KeyboardUtils.hideSoftInput(this);
                     }
                 }
             }

app/src/main/java/io/github/wulkanowy/ui/login/LoginTask.java

@@ -3,7 +3,6 @@ package io.github.wulkanowy.ui.login;
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.app.Activity;
-import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.AsyncTask;
@@ -11,7 +10,6 @@ import android.support.design.widget.Snackbar;
 import android.support.design.widget.TextInputLayout;
 import android.support.v7.app.AlertDialog;
 import android.view.View;
-import android.view.inputmethod.InputMethodManager;
 import android.widget.EditText;
 import android.widget.TextView;
 
@@ -21,18 +19,19 @@ import java.net.SocketTimeoutException;
 import java.net.UnknownHostException;
 
 import io.github.wulkanowy.R;
+import io.github.wulkanowy.WulkanowyApp;
 import io.github.wulkanowy.api.login.AccountPermissionException;
 import io.github.wulkanowy.api.login.BadCredentialsException;
 import io.github.wulkanowy.api.login.NotLoggedInErrorException;
 import io.github.wulkanowy.api.login.VulcanOfflineException;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.security.CryptoException;
-import io.github.wulkanowy.services.LoginSession;
-import io.github.wulkanowy.services.VulcanSynchronization;
 import io.github.wulkanowy.services.jobs.FullSyncJob;
-import io.github.wulkanowy.ui.WulkanowyApp;
+import io.github.wulkanowy.services.sync.LoginSession;
+import io.github.wulkanowy.services.sync.VulcanSync;
 import io.github.wulkanowy.ui.main.DashboardActivity;
-import io.github.wulkanowy.utilities.ConnectionUtilities;
+import io.github.wulkanowy.utils.KeyboardUtils;
+import io.github.wulkanowy.utils.NetworkUtils;
+import io.github.wulkanowy.utils.security.CryptoException;
 
 /**
  * Represents an asynchronous login/registration task used to authenticate
@@ -68,16 +67,16 @@ public class LoginTask extends AsyncTask<Void, String, Integer> {
 
     @Override
     protected Integer doInBackground(Void... params) {
-        if (ConnectionUtilities.isOnline(activity.get())) {
+        if (NetworkUtils.isOnline(activity.get())) {
             DaoSession daoSession = ((WulkanowyApp) activity.get().getApplication()).getDaoSession();
-            VulcanSynchronization vulcanSynchronization = new VulcanSynchronization(new LoginSession());
+            VulcanSync vulcanSync = new VulcanSync(new LoginSession());
 
             try {
                 publishProgress("1", activity.get().getResources().getString(R.string.step_login));
-                vulcanSynchronization.firstLoginSignInStep(activity.get(), daoSession, email, password, symbol);
+                vulcanSync.firstLoginSignInStep(activity.get(), daoSession, email, password, symbol);
 
                 publishProgress("2", activity.get().getResources().getString(R.string.step_synchronization));
-                vulcanSynchronization.syncAll();
+                vulcanSync.syncAll();
             } catch (BadCredentialsException e) {
                 return R.string.login_bad_credentials_text;
             } catch (AccountPermissionException e) {
@@ -127,7 +126,7 @@ public class LoginTask extends AsyncTask<Void, String, Integer> {
                 EditText passwordView = activity.get().findViewById(R.id.password);
                 passwordView.setError(activity.get().getString(R.string.error_incorrect_password));
                 passwordView.requestFocus();
-                showSoftKeyboard(passwordView);
+                KeyboardUtils.showSoftInput(passwordView, activity.get());
                 break;
 
             // if no permission
@@ -139,7 +138,7 @@ public class LoginTask extends AsyncTask<Void, String, Integer> {
                 EditText symbolView = activity.get().findViewById(R.id.symbol);
                 symbolView.setError(activity.get().getString(R.string.error_bad_account_permission));
                 symbolView.requestFocus();
-                showSoftKeyboard(symbolView);
+                KeyboardUtils.showSoftInput(symbolView, activity.get());
                 break;
 
             // if rooted and SDK < 18
@@ -182,15 +181,6 @@ public class LoginTask extends AsyncTask<Void, String, Integer> {
         changeProgressVisibility(show, animTime);
     }
 
-    private void showSoftKeyboard(EditText editText) {
-        InputMethodManager manager = (InputMethodManager)
-                activity.get().getSystemService(Context.INPUT_METHOD_SERVICE);
-        if (manager != null) {
-            manager.showSoftInput(editText,
-                    InputMethodManager.SHOW_IMPLICIT);
-        }
-    }
-
     private void changeLoginFormVisibility(final boolean show, final int animTime) {
         loginFormView.get().setVisibility(show ? View.GONE : View.VISIBLE);
         loginFormView.get().animate().setDuration(animTime).alpha(

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

@@ -22,9 +22,9 @@ import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager;
 import eu.davidea.flexibleadapter.items.AbstractExpandableHeaderItem;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.WulkanowyApp;
-import io.github.wulkanowy.ui.WulkanowyApp;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.utilities.ConnectionUtilities;
+import io.github.wulkanowy.utils.NetworkUtils;
 
 public abstract class AbstractFragment<T extends AbstractExpandableHeaderItem> extends Fragment
         implements AsyncResponse<T> {
@@ -158,7 +158,7 @@ public abstract class AbstractFragment<T extends AbstractExpandableHeaderItem> e
         return new SwipeRefreshLayout.OnRefreshListener() {
             @Override
             public void onRefresh() {
-                if (ConnectionUtilities.isOnline(getContext())) {
+                if (NetworkUtils.isOnline(getContext())) {
                     new RefreshTask(AbstractFragment.this).execute();
                 } else {
                     Toast.makeText(getContext(), R.string.noInternet_text, Toast.LENGTH_SHORT).show();

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

@@ -42,7 +42,7 @@ public class RefreshTask extends AsyncTask<Void, Void, List<?>> {
             return null;
         } catch (Exception e) {
             stringEventId = R.string.refresh_error_text;
-            Log.e(DEBUG_TAG, "There was a synchronization problem", e);
+            Log.e(DEBUG_TAG, "There was a sync problem", e);
             return null;
         }
     }

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

@@ -18,8 +18,8 @@ import java.lang.ref.WeakReference;
 import java.util.List;
 
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
-import io.github.wulkanowy.utilities.AverageCalculator;
+import io.github.wulkanowy.utils.AverageCalculator;
 
 public class GradesAdapter extends ExpandableRecyclerViewAdapter<GradesAdapter.SubjectViewHolder, GradesAdapter.GradeViewHolder> {
 

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

@@ -13,7 +13,7 @@ import android.widget.Button;
 import android.widget.TextView;
 
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
 
 public class GradesDialogFragment extends DialogFragment {
 

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

@@ -21,19 +21,19 @@ import java.util.ArrayList;
 import java.util.List;
 
 import io.github.wulkanowy.R;
+import io.github.wulkanowy.WulkanowyApp;
 import io.github.wulkanowy.api.Vulcan;
 import io.github.wulkanowy.api.login.VulcanOfflineException;
-import io.github.wulkanowy.dao.DatabaseAccess;
+import io.github.wulkanowy.db.dao.DatabaseAccess;
-import io.github.wulkanowy.dao.entities.Account;
+import io.github.wulkanowy.db.dao.entities.Account;
-import io.github.wulkanowy.dao.entities.AccountDao;
+import io.github.wulkanowy.db.dao.entities.AccountDao;
-import io.github.wulkanowy.dao.entities.DaoSession;
+import io.github.wulkanowy.db.dao.entities.DaoSession;
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
-import io.github.wulkanowy.dao.entities.Subject;
+import io.github.wulkanowy.db.dao.entities.Subject;
-import io.github.wulkanowy.services.LoginSession;
-import io.github.wulkanowy.services.VulcanSynchronization;
 import io.github.wulkanowy.services.jobs.VulcanJobHelper;
-import io.github.wulkanowy.ui.WulkanowyApp;
+import io.github.wulkanowy.services.sync.LoginSession;
-import io.github.wulkanowy.utilities.ConnectionUtilities;
+import io.github.wulkanowy.services.sync.VulcanSync;
+import io.github.wulkanowy.utils.NetworkUtils;
 
 public class GradesFragment extends Fragment {
 
@@ -106,7 +106,7 @@ public class GradesFragment extends Fragment {
         swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
             @Override
             public void onRefresh() {
-                if (ConnectionUtilities.isOnline(getContext())) {
+                if (NetworkUtils.isOnline(getContext())) {
                     new RefreshTask(getActivity(), mainView, daoSession).execute();
                 } else {
                     Toast.makeText(mainView.getContext(), R.string.noInternet_text, Toast.LENGTH_SHORT).show();
@@ -163,17 +163,17 @@ public class GradesFragment extends Fragment {
 
         @Override
         protected Integer doInBackground(Void... params) {
-            VulcanSynchronization vulcanSynchronization = new VulcanSynchronization(new LoginSession());
+            VulcanSync vulcanSync = new VulcanSync(new LoginSession());
             try {
-                vulcanSynchronization.loginCurrentUser(activity.get(), daoSession, new Vulcan());
+                vulcanSync.loginCurrentUser(activity.get(), daoSession, new Vulcan());
-                vulcanSynchronization.syncGrades();
+                vulcanSync.syncGrades();
                 downloadGradesFormDatabase(daoSession);
                 return 1;
             } catch (VulcanOfflineException e) {
-                Log.e(VulcanJobHelper.DEBUG_TAG, "There was a synchronization problem, because vulcan is offline", e);
+                Log.e(VulcanJobHelper.DEBUG_TAG, "There was a sync problem, because vulcan is offline", e);
                 return R.string.error_host_offline;
             } catch (Exception e) {
-                Log.e(VulcanJobHelper.DEBUG_TAG, "There was a synchronization problem", e);
+                Log.e(VulcanJobHelper.DEBUG_TAG, "There was a sync problem", e);
                 return R.string.refresh_error_text;
             }
         }

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

@@ -5,7 +5,7 @@ import com.thoughtbot.expandablerecyclerview.models.ExpandableGroup;
 
 import java.util.List;
 
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
 
 public class SubjectWithGrades extends ExpandableGroup<Grade> {
 

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

@@ -14,7 +14,7 @@ import android.widget.TextView;
 import org.apache.commons.lang3.StringUtils;
 
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.dao.entities.Lesson;
+import io.github.wulkanowy.db.dao.entities.Lesson;
 
 public class TimetableDialogFragment extends DialogFragment {
 

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

@@ -18,7 +18,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.utilities.TimeUtilities;
+import io.github.wulkanowy.utils.TimeUtils;
 
 public class TimetableFragment extends Fragment {
 
@@ -81,7 +81,7 @@ public class TimetableFragment extends Fragment {
 
     private void setDateStringList() {
         if (dateStringList.isEmpty()) {
-            dateStringList = TimeUtilities.getMondaysFromCurrentSchoolYear(DATE_PATTERN);
+            dateStringList = TimeUtils.getMondaysFromCurrentSchoolYear(DATE_PATTERN);
         }
     }
 

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

@@ -17,11 +17,11 @@ import java.util.ArrayList;
 import java.util.List;
 
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.dao.entities.Day;
+import io.github.wulkanowy.db.dao.entities.Day;
-import io.github.wulkanowy.dao.entities.Lesson;
+import io.github.wulkanowy.db.dao.entities.Lesson;
-import io.github.wulkanowy.dao.entities.Week;
+import io.github.wulkanowy.db.dao.entities.Week;
-import io.github.wulkanowy.dao.entities.WeekDao;
+import io.github.wulkanowy.db.dao.entities.WeekDao;
-import io.github.wulkanowy.services.VulcanSynchronization;
+import io.github.wulkanowy.services.sync.VulcanSync;
 import io.github.wulkanowy.ui.main.AbstractFragment;
 
 public class TimetableFragmentTab extends AbstractFragment<TimetableHeaderItem> {
@@ -119,7 +119,7 @@ public class TimetableFragmentTab extends AbstractFragment<TimetableHeaderItem>
 
     @Override
     public void onRefresh() throws Exception {
-        VulcanSynchronization synchronization = new VulcanSynchronization();
+        VulcanSync synchronization = new VulcanSync();
         synchronization.loginCurrentUser(getContext(), getDaoSession());
         synchronization.syncTimetable(date);
     }

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

@@ -14,7 +14,7 @@ import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.items.AbstractExpandableHeaderItem;
 import eu.davidea.viewholders.ExpandableViewHolder;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.dao.entities.Day;
+import io.github.wulkanowy.db.dao.entities.Day;
 
 public class TimetableHeaderItem
         extends AbstractExpandableHeaderItem<TimetableHeaderItem.HeaderViewHolder, TimetableSubItem> {

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

@@ -15,7 +15,8 @@ import eu.davidea.flexibleadapter.FlexibleAdapter;
 import eu.davidea.flexibleadapter.items.AbstractSectionableItem;
 import eu.davidea.viewholders.FlexibleViewHolder;
 import io.github.wulkanowy.R;
-import io.github.wulkanowy.dao.entities.Lesson;
+import io.github.wulkanowy.db.dao.entities.Lesson;
+
 
 public class TimetableSubItem extends AbstractSectionableItem<TimetableSubItem.SubItemViewHolder, TimetableHeaderItem> {
 

app/src/main/java/io/github/wulkanowy/utilities/ConnectionUtilities.java

@@ -1,23 +0,0 @@
-package io.github.wulkanowy.utilities;
-
-import android.content.Context;
-import android.net.ConnectivityManager;
-import android.net.NetworkInfo;
-
-public class ConnectionUtilities {
-
-    private ConnectionUtilities() {
-        throw new IllegalStateException("Utility class");
-    }
-
-    public static boolean isOnline(Context context) {
-        ConnectivityManager connectivityManager =
-                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
-        if (connectivityManager != null) {
-            NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
-            return networkInfo != null && networkInfo.isConnectedOrConnecting();
-        } else {
-            return false;
-        }
-    }
-}

app/src/main/java/io/github/wulkanowy/utilities/RootUtilities.java

@@ -1,41 +0,0 @@
-package io.github.wulkanowy.utilities;
-
-import android.os.Build;
-
-import java.io.File;
-
-public class RootUtilities {
-
-    private RootUtilities() {
-        throw new IllegalStateException("Utility class");
-    }
-
-    public static boolean isRooted() {
-        String buildTags = Build.TAGS;
-        if (buildTags != null && buildTags.contains("test-keys")) {
-            return true;
-        }
-
-        try {
-            File file = new File("/system/app/Superuser.apk");
-            if (file.exists()) {
-                return true;
-            }
-        } catch (Exception e) {
-            // ignore
-        }
-        return canExecuteCommand("/system/xbin/which su")
-                || canExecuteCommand("/system/bin/which su") || canExecuteCommand("which su");
-    }
-
-    private static boolean canExecuteCommand(String command) {
-        boolean executedSuccesfully;
-        try {
-            Runtime.getRuntime().exec(command);
-            executedSuccesfully = true;
-        } catch (Exception e) {
-            executedSuccesfully = false;
-        }
-        return executedSuccesfully;
-    }
-}

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

@@ -1,10 +1,10 @@
-package io.github.wulkanowy.utilities;
+package io.github.wulkanowy.utils;
 
 import java.util.List;
 
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
 
-public class AverageCalculator {
+public final class AverageCalculator {
 
     private AverageCalculator() {
         throw new IllegalStateException("Utility class");
@@ -33,14 +33,18 @@ public class AverageCalculator {
     }
 
     private static float getMathematicalValueOfGrade(String valueOfGrade) {
-        if (valueOfGrade.matches("[-|+|=]{0,2}[0-6]") || valueOfGrade.matches("[0-6][-|+|=]{0,2}")) {
+        if (valueOfGrade.matches("[-|+|=]{0,2}[0-6]")
-            if (valueOfGrade.matches("[-][0-6]") || valueOfGrade.matches("[0-6][-]")) {
+                || valueOfGrade.matches("[0-6][-|+|=]{0,2}")) {
+            if (valueOfGrade.matches("[-][0-6]")
+                    || valueOfGrade.matches("[0-6][-]")) {
                 String replacedValue = valueOfGrade.replaceAll("[-]", "");
                 return Float.valueOf(replacedValue) - 0.25f;
-            } else if (valueOfGrade.matches("[+][0-6]") || valueOfGrade.matches("[0-6][+]")) {
+            } else if (valueOfGrade.matches("[+][0-6]")
+                    || valueOfGrade.matches("[0-6][+]")) {
                 String replacedValue = valueOfGrade.replaceAll("[+]", "");
                 return Float.valueOf((replacedValue)) + 0.25f;
-            } else if (valueOfGrade.matches("[-|=]{1,2}[0-6]") || valueOfGrade.matches("[0-6][-|=]{1,2}")) {
+            } else if (valueOfGrade.matches("[-|=]{1,2}[0-6]")
+                    || valueOfGrade.matches("[0-6][-|=]{1,2}")) {
                 String replacedValue = valueOfGrade.replaceAll("[-|=]{1,2}", "");
                 return Float.valueOf((replacedValue)) - 0.5f;
             } else {

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

@@ -1,18 +1,18 @@
-package io.github.wulkanowy.utilities;
+package io.github.wulkanowy.utils;
 
 
 import java.util.ArrayList;
 import java.util.List;
 
-import io.github.wulkanowy.dao.entities.Day;
+import io.github.wulkanowy.db.dao.entities.Day;
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
-import io.github.wulkanowy.dao.entities.Lesson;
+import io.github.wulkanowy.db.dao.entities.Lesson;
-import io.github.wulkanowy.dao.entities.Subject;
+import io.github.wulkanowy.db.dao.entities.Subject;
-import io.github.wulkanowy.dao.entities.Week;
+import io.github.wulkanowy.db.dao.entities.Week;
 
-public class ConversionVulcanObject {
+public final class DataObjectConverter {
 
-    private ConversionVulcanObject() {
+    private DataObjectConverter() {
         throw new IllegalStateException("Utility class");
     }
 

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

@@ -1,13 +1,13 @@
-package io.github.wulkanowy.dao;
+package io.github.wulkanowy.utils;
 
 import org.apache.commons.collections4.CollectionUtils;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
 
-public class EntitiesCompare {
+public final class EntitiesCompare {
 
     private EntitiesCompare() {
         throw new IllegalStateException("Utility class");
@@ -29,13 +29,13 @@ public class EntitiesCompare {
             updatedList.add(grade);
         }
 
-        for (Grade grade : updatedList) {
+        for (Grade updateGrade : updatedList) {
-            for (Grade grade1 : oldList) {
+            for (Grade oldGrade : oldList) {
-                if (grade.equals(grade1)) {
+                if (updateGrade.equals(oldGrade)) {
-                    grade.setRead(grade1.getRead());
+                    updateGrade.setRead(oldGrade.getRead());
                 }
             }
-            lastList.add(grade);
+            lastList.add(updateGrade);
         }
         return lastList;
     }

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

@@ -0,0 +1,33 @@
+package io.github.wulkanowy.utils;
+
+import android.app.Activity;
+import android.content.Context;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.EditText;
+
+public final class KeyboardUtils {
+
+    private KeyboardUtils() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    public static void hideSoftInput(Activity activity) {
+        InputMethodManager manager = (InputMethodManager)
+                activity.getSystemService(Context.INPUT_METHOD_SERVICE);
+        if (manager != null) {
+            manager.hideSoftInputFromWindow(activity.getWindow()
+                    .getDecorView().getApplicationWindowToken(), 0);
+        }
+    }
+
+    public static void showSoftInput(EditText editText, Context context) {
+        editText.setFocusable(true);
+        editText.setFocusableInTouchMode(true);
+        editText.requestFocus();
+        InputMethodManager inputMethodManager = (InputMethodManager) context
+                .getSystemService(Context.INPUT_METHOD_SERVICE);
+        if (inputMethodManager != null) {
+            inputMethodManager.showSoftInput(editText, 0);
+        }
+    }
+}

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

@@ -0,0 +1,18 @@
+package io.github.wulkanowy.utils;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+
+public final class NetworkUtils {
+
+    private NetworkUtils() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    public static boolean isOnline(Context context) {
+        ConnectivityManager connectivityManager =
+                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+        return connectivityManager != null && connectivityManager.getActiveNetworkInfo() != null
+                && connectivityManager.getActiveNetworkInfo().isConnectedOrConnecting();
+    }
+}

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

@@ -0,0 +1,38 @@
+package io.github.wulkanowy.utils;
+
+import android.os.Build;
+
+import java.io.File;
+
+public final class RootChecker {
+
+    private RootChecker() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    public static boolean isRooted() {
+        return checkOne() || checkTwo() || checkThree();
+    }
+
+    private static boolean checkOne() {
+        return Build.TAGS != null && Build.TAGS.contains("test-keys");
+    }
+
+    private static boolean checkTwo() {
+        return new File("/system/app/Superuser.apk").exists();
+    }
+
+    private static boolean checkThree() {
+        String[] commands = {"/system/xbin/which su", "/system/bin/which su", "which su"};
+        for (String command : commands) {
+            try {
+                Runtime.getRuntime().exec(command);
+                return true;
+            } catch (Exception e) {
+                // ignore
+            }
+        }
+        return false;
+    }
+
+}

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.utilities;
+package io.github.wulkanowy.utils;
 
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeConstants;
@@ -13,13 +13,13 @@ import java.util.List;
 import java.util.Locale;
 import java.util.TimeZone;
 
-public class TimeUtilities {
+public final class TimeUtils {
 
     private static final long TICKS_AT_EPOCH = 621355968000000000L;
 
     private static final long TICKS_PER_MILLISECOND = 10000;
 
-    private TimeUtilities() {
+    private TimeUtils() {
         throw new IllegalStateException("Utility class");
     }
 

app/src/main/java/io/github/wulkanowy/utils/security/CryptoException.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.security;
+package io.github.wulkanowy.utils.security;
 
 
 public class CryptoException extends Exception {

app/src/main/java/io/github/wulkanowy/utils/security/Safety.java

@@ -1,10 +1,10 @@
-package io.github.wulkanowy.security;
+package io.github.wulkanowy.utils.security;
 
 import android.content.Context;
 import android.os.Build;
 import android.util.Base64;
 
-import io.github.wulkanowy.utilities.RootUtilities;
+import io.github.wulkanowy.utils.RootChecker;
 
 public class Safety extends Scrambler {
 
@@ -15,7 +15,7 @@ public class Safety extends Scrambler {
             generateNewKey(email, context);
             return encryptString(email, plainText);
         } else {
-            if (RootUtilities.isRooted()) {
+            if (RootChecker.isRooted()) {
                 return new String(Base64.encode(plainText.getBytes(), Base64.DEFAULT));
             } else {
                 throw new UnsupportedOperationException("Stored data in this devices isn't safe because android is rooted");

app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.security;
+package io.github.wulkanowy.utils.security;
 
 
 import android.annotation.TargetApi;

app/src/test/java/io/github/wulkanowy/db/dao/entities/GradeTest.java

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao.entities;
+package io.github.wulkanowy.db.dao.entities;
 
 import org.junit.Assert;
 import org.junit.Test;

app/src/test/java/io/github/wulkanowy/ui/main/grades/SubjectWithGradesTest.java

@@ -7,7 +7,7 @@ import org.junit.Test;
 import java.util.ArrayList;
 import java.util.List;
 
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
 
 public class SubjectWithGradesTest {
 

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.utilities;
+package io.github.wulkanowy.utils;
 
 import org.junit.Assert;
 import org.junit.Test;
@@ -6,7 +6,7 @@ import org.junit.Test;
 import java.util.ArrayList;
 import java.util.List;
 
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
 
 public class AverageCalculatorTest {
 

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.utilities;
+package io.github.wulkanowy.utils;
 
 import org.junit.Assert;
 import org.junit.Test;
@@ -11,14 +11,14 @@ import io.github.wulkanowy.api.grades.Subject;
 import io.github.wulkanowy.api.timetable.Day;
 import io.github.wulkanowy.api.timetable.Lesson;
 
-public class ConversionVulcanObjectTest {
+public class DataObjectConverterTest {
 
     @Test
     public void subjectConversionTest() {
         List<Subject> subjectList = new ArrayList<>();
         subjectList.add(new Subject().setName("Matematyka"));
-        List<io.github.wulkanowy.dao.entities.Subject> subjectEntitiesList =
+        List<io.github.wulkanowy.db.dao.entities.Subject> subjectEntitiesList =
-                ConversionVulcanObject.subjectsToSubjectEntities(subjectList);
+                DataObjectConverter.subjectsToSubjectEntities(subjectList);
 
         Assert.assertEquals("Matematyka", subjectEntitiesList.get(0).getName());
     }
@@ -26,15 +26,15 @@ public class ConversionVulcanObjectTest {
     @Test
     public void subjectConversionEmptyTest() {
         Assert.assertEquals(new ArrayList<>(),
-                ConversionVulcanObject.subjectsToSubjectEntities(new ArrayList<Subject>()));
+                DataObjectConverter.subjectsToSubjectEntities(new ArrayList<Subject>()));
     }
 
     @Test
     public void gradesConversionTest() {
         List<Grade> gradeList = new ArrayList<>();
         gradeList.add(new Grade().setDescription("Lorem ipsum"));
-        List<io.github.wulkanowy.dao.entities.Grade> gradeEntitiesList =
+        List<io.github.wulkanowy.db.dao.entities.Grade> gradeEntitiesList =
-                ConversionVulcanObject.gradesToGradeEntities(gradeList);
+                DataObjectConverter.gradesToGradeEntities(gradeList);
 
         Assert.assertEquals("Lorem ipsum", gradeEntitiesList.get(0).getDescription());
     }
@@ -42,21 +42,21 @@ public class ConversionVulcanObjectTest {
     @Test
     public void gradeConversionEmptyTest() {
         Assert.assertEquals(new ArrayList<>(),
-                ConversionVulcanObject.gradesToGradeEntities(new ArrayList<Grade>()));
+                DataObjectConverter.gradesToGradeEntities(new ArrayList<Grade>()));
     }
 
     @Test
     public void dayConversionEmptyTest() {
         Assert.assertEquals(new ArrayList<>(),
-                ConversionVulcanObject.daysToDaysEntities(new ArrayList<Day>()));
+                DataObjectConverter.daysToDaysEntities(new ArrayList<Day>()));
     }
 
     @Test
     public void dayConversionTest() {
         List<Day> dayList = new ArrayList<>();
         dayList.add(new Day().setDate("20.12.2012"));
-        List<io.github.wulkanowy.dao.entities.Day> dayEntityList =
+        List<io.github.wulkanowy.db.dao.entities.Day> dayEntityList =
-                ConversionVulcanObject.daysToDaysEntities(dayList);
+                DataObjectConverter.daysToDaysEntities(dayList);
 
         Assert.assertEquals("20.12.2012", dayEntityList.get(0).getDate());
     }
@@ -64,15 +64,15 @@ public class ConversionVulcanObjectTest {
     @Test
     public void lessonConversionEmptyTest() {
         Assert.assertEquals(new ArrayList<>(),
-                ConversionVulcanObject.lessonsToLessonsEntities(new ArrayList<Lesson>()));
+                DataObjectConverter.lessonsToLessonsEntities(new ArrayList<Lesson>()));
     }
 
     @Test
     public void lessonConversionTest() {
         List<Lesson> lessonList = new ArrayList<>();
         lessonList.add(new Lesson().setRoom("20"));
-        List<io.github.wulkanowy.dao.entities.Lesson> lessonEntityList =
+        List<io.github.wulkanowy.db.dao.entities.Lesson> lessonEntityList =
-                ConversionVulcanObject.lessonsToLessonsEntities(lessonList);
+                DataObjectConverter.lessonsToLessonsEntities(lessonList);
 
         Assert.assertEquals("20", lessonEntityList.get(0).getRoom());
     }

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.dao;
+package io.github.wulkanowy.utils;
 
 import org.junit.Assert;
 import org.junit.Before;
@@ -7,7 +7,7 @@ import org.junit.Test;
 import java.util.ArrayList;
 import java.util.List;
 
-import io.github.wulkanowy.dao.entities.Grade;
+import io.github.wulkanowy.db.dao.entities.Grade;
 
 
 public class EntitiesCompareTest {

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.utilities;
+package io.github.wulkanowy.utils;
 
 import android.content.Context;
 import android.net.ConnectivityManager;
@@ -10,7 +10,7 @@ import org.junit.Test;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
-public class ConnectionUtilitiesTest {
+public class NetworkUtilsTest {
 
     @Test
     public void isOnlineTrueTest() {
@@ -23,7 +23,7 @@ public class ConnectionUtilitiesTest {
         Context context = mock(Context.class);
         when(context.getSystemService(Context.CONNECTIVITY_SERVICE)).thenReturn(connectivityManager);
 
-        Assert.assertTrue(ConnectionUtilities.isOnline(context));
+        Assert.assertTrue(NetworkUtils.isOnline(context));
     }
 
     @Test
@@ -37,6 +37,6 @@ public class ConnectionUtilitiesTest {
         Context context = mock(Context.class);
         when(context.getSystemService(Context.CONNECTIVITY_SERVICE)).thenReturn(connectivityManager);
 
-        Assert.assertFalse(ConnectionUtilities.isOnline(context));
+        Assert.assertFalse(NetworkUtils.isOnline(context));
     }
 }

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

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.utilities;
+package io.github.wulkanowy.utils;
 
 import org.junit.Assert;
 import org.junit.Test;
@@ -11,7 +11,7 @@ import java.util.Date;
 import java.util.Locale;
 import java.util.TimeZone;
 
-public class TimeUtilitiesTest {
+public class TimeUtilsTest {
 
     @Test
     public void getTicksDateObjectTest() throws Exception {
@@ -19,32 +19,32 @@ public class TimeUtilitiesTest {
         format.setTimeZone(TimeZone.getTimeZone("UTC"));
         Date date = format.parse("31.07.2017");
 
-        Assert.assertEquals(636370560000000000L, TimeUtilities.getNetTicks(date));
+        Assert.assertEquals(636370560000000000L, TimeUtils.getNetTicks(date));
 
         Calendar calendar = Calendar.getInstance();
         calendar.setTime(date);
         calendar.add(Calendar.DAY_OF_YEAR, -14);
         Date dateTwoWeekBefore = calendar.getTime();
 
-        Assert.assertEquals(636358464000000000L, TimeUtilities.getNetTicks(dateTwoWeekBefore));
+        Assert.assertEquals(636358464000000000L, TimeUtils.getNetTicks(dateTwoWeekBefore));
     }
 
     @Test(expected = ParseException.class)
     public void getTicsStringInvalidFormatTest() throws Exception {
-        Assert.assertEquals(636370560000000000L, TimeUtilities.getNetTicks("31.07.2017", "dd.MMM.yyyy"));
+        Assert.assertEquals(636370560000000000L, TimeUtils.getNetTicks("31.07.2017", "dd.MMM.yyyy"));
     }
 
     @Test
     public void getTicsStringFormatTest() throws Exception {
-        Assert.assertEquals(636370560000000000L, TimeUtilities.getNetTicks("31.07.2017", "dd.MM.yyyy"));
+        Assert.assertEquals(636370560000000000L, TimeUtils.getNetTicks("31.07.2017", "dd.MM.yyyy"));
     }
 
     @Test
     public void getTicsStringTest() throws Exception {
-        Assert.assertEquals(636370560000000000L, TimeUtilities.getNetTicks("31.07.2017"));
+        Assert.assertEquals(636370560000000000L, TimeUtils.getNetTicks("31.07.2017"));
-        Assert.assertEquals(636334272000000000L, TimeUtilities.getNetTicks("19.06.2017"));
+        Assert.assertEquals(636334272000000000L, TimeUtils.getNetTicks("19.06.2017"));
-        Assert.assertEquals(636189120000000000L, TimeUtilities.getNetTicks("02.01.2017"));
+        Assert.assertEquals(636189120000000000L, TimeUtils.getNetTicks("02.01.2017"));
-        Assert.assertEquals(636080256000000000L, TimeUtilities.getNetTicks("29.08.2016"));
+        Assert.assertEquals(636080256000000000L, TimeUtils.getNetTicks("29.08.2016"));
     }
 
     @Test
@@ -53,6 +53,6 @@ public class TimeUtilitiesTest {
         format.setTimeZone(TimeZone.getTimeZone("UTC"));
         Date date = format.parse("31.07.2017");
 
-        Assert.assertEquals(date, TimeUtilities.getDate(636370560000000000L));
+        Assert.assertEquals(date, TimeUtils.getDate(636370560000000000L));
     }
 }