Add ability to change grades list semester (#10)

app/src/main/java/io/github/wulkanowy/api/Semester.java

@@ -0,0 +1,35 @@
+package io.github.wulkanowy.api;
+
+public class Semester {
+
+    private String number = "";
+    private String id = "";
+    private boolean isCurrent = false;
+
+    public String getNumber() {
+        return number;
+    }
+
+    public Semester setNumber(String number) {
+        this.number = number;
+        return this;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public Semester setId(String id) {
+        this.id = id;
+        return this;
+    }
+
+    public boolean isCurrent() {
+        return isCurrent;
+    }
+
+    public Semester setCurrent(boolean current) {
+        isCurrent = current;
+        return this;
+    }
+}

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

@@ -4,8 +4,11 @@ import org.jsoup.Connection;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
 
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -15,15 +18,22 @@ public class StudentAndParent extends Vulcan {
 
     private String startPageUrl = "https://uonetplus.vulcan.net.pl/{locationID}/Start.mvc/Index";
 
-    private String locationID;
+    private String gradesPageUrl = "https://uonetplus-opiekun.vulcan.net.pl/{locationID}/{ID}/"
+            + "Oceny/Wszystkie";
 
-    private String uonetPlusOpiekunUrl;
+    private String locationID = "";
+
+    private String uonetPlusOpiekunUrl = "";
 
     public StudentAndParent(Cookies cookies, String locID) throws IOException {
         this.cookies = cookies;
         this.locationID = locID;
     }
 
+    public String getGradesPageUrl() {
+        return gradesPageUrl;
+    }
+
     public StudentAndParent setUp() throws IOException {
         startPageUrl = startPageUrl.replace("{locationID}", locationID);
 
@@ -67,4 +77,42 @@ public class StudentAndParent extends Vulcan {
     public String getRowDataChildValue(Element e, int index) {
         return e.select(".daneWiersz .wartosc").get(index - 1).text();
     }
+
+    public List<Semester> getSemesters() throws IOException, LoginErrorException {
+        String url = getGradesPageUrl();
+        url = url.replace("{locationID}", getLocationID());
+        url = url.replace("{ID}", getID());
+
+        Document gradesPage = getPageByUrl(url);
+        Elements semesterOptions = gradesPage.select("#okresyKlasyfikacyjneDropDownList option");
+
+        List<Semester> semesters = new ArrayList<>();
+
+        for (Element e : semesterOptions) {
+            Semester semester = new Semester()
+                    .setId(e.text())
+                    .setNumber(e.attr("value"));
+
+            if ("selected".equals(e.attr("selected"))) {
+                semester.setCurrent(true);
+            }
+
+            semesters.add(semester);
+        }
+
+        return semesters;
+    }
+
+    public Semester getCurrentSemester(List<Semester> semesterList)
+            throws IOException, LoginErrorException {
+        Semester current = null;
+        for (Semester s : semesterList) {
+            if (s.isCurrent()) {
+                current = s;
+                break;
+            }
+        }
+
+        return current;
+    }
 }

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

@@ -1,5 +1,9 @@
 package io.github.wulkanowy.api;
 
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+
+import java.io.IOException;
 import java.util.Map;
 
 public abstract class Vulcan {
@@ -23,4 +27,11 @@ public abstract class Vulcan {
         this.cookies.addItems(cookies);
         return this.cookies;
     }
+
+    public Document getPageByUrl(String url) throws IOException {
+        return Jsoup.connect(url)
+                .followRedirects(true)
+                .cookies(getCookies())
+                .get();
+    }
 }

app/src/main/java/io/github/wulkanowy/api/grades/GradesList.java

@@ -1,6 +1,5 @@
 package io.github.wulkanowy.api.grades;
 
-import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
@@ -20,8 +19,8 @@ public class GradesList extends Vulcan {
 
     private StudentAndParent snp = null;
 
-    private String gradesPageUrl =
-            "https://uonetplus-opiekun.vulcan.net.pl/{locationID}/{ID}/Oceny/Wszystkie?details=2";
+    private String gradesPageUrl = "https://uonetplus-opiekun.vulcan.net.pl/{locationID}/{ID}"
+            + "/Oceny/Wszystkie?details=2&okres=";
 
     private List<Grade> grades = new ArrayList<>();
 
@@ -30,14 +29,20 @@ public class GradesList extends Vulcan {
         this.snp = snp;
     }
 
+    public String getGradesPageUrl() {
+        return gradesPageUrl;
+    }
+
     public List<Grade> getAll() throws IOException, LoginErrorException {
-        gradesPageUrl = gradesPageUrl.replace("{locationID}", snp.getLocationID());
-        gradesPageUrl = gradesPageUrl.replace("{ID}", snp.getID());
+        return getAll(snp.getCurrentSemester(snp.getSemesters()).getNumber());
+    }
 
-        Document marksPage = Jsoup.connect(gradesPageUrl)
-                .cookies(getCookies())
-                .get();
+    public List<Grade> getAll(String semester) throws IOException, LoginErrorException {
+        String url = getGradesPageUrl();
+        url = url.replace("{locationID}", snp.getLocationID());
+        url = url.replace("{ID}", snp.getID());
 
+        Document marksPage = getPageByUrl(url + semester);
         Elements marksRows = marksPage.select(".ocenySzczegoly-table > tbody > tr");
 
         for (Element row : marksRows) {

app/src/main/java/io/github/wulkanowy/api/notes/Notes.java

@@ -14,8 +14,8 @@ public class Notes extends Vulcan {
 
     private StudentAndParent snp = null;
 
-    private String notesPageUrl =
-            "https://uonetplus-opiekun.vulcan.net.pl/{locationID}/{ID}/UwagiOsiagniecia.mvc/Wszystkie";
+    private String notesPageUrl = "https://uonetplus-opiekun.vulcan.net.pl/{locationID}/{ID}/"
+            + "UwagiOsiagniecia.mvc/Wszystkie";
 
     public Notes(Cookies cookies, StudentAndParent snp) {
         this.cookies = cookies;