Add homework api (#150)

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

@@ -20,6 +20,8 @@ import io.github.wulkanowy.api.grades.GradesList;
 import io.github.wulkanowy.api.grades.GradesSummary;
 import io.github.wulkanowy.api.grades.SubjectsList;
 import io.github.wulkanowy.api.grades.Summary;
+import io.github.wulkanowy.api.homework.Homework;
+import io.github.wulkanowy.api.homework.HomeworkList;
 import io.github.wulkanowy.api.messages.Messages;
 import io.github.wulkanowy.api.mobile.RegisterDevice;
 import io.github.wulkanowy.api.mobile.RegisteredDevices;
@@ -116,6 +118,10 @@ public class Vulcan {
         return new GradesSummary(getStudentAndParent()).getSummary(semester);
     }
 
+    public List<Homework> getHomework(String date) throws VulcanException, IOException {
+        return new HomeworkList(getStudentAndParent()).getHomework(date);
+    }
+
     @Deprecated
     public SubjectsList getSubjectsList() throws IOException, VulcanException {
         return new SubjectsList(getStudentAndParent());

api/src/main/java/io/github/wulkanowy/api/exams/Exams.kt

@@ -14,7 +14,7 @@ class Exams(private val snp: SnP) {
                 .select(".mainContainer > div:not(.navigation)").map {
                     val date = getFormattedDate(it.selectFirst("h2")?.text()?.split(", ")?.last()?.trim())
 
-                    it.select("article").map { getExam(it, date) }
+                    it.select("article").mapIndexed { _, element -> getExam(element, date) }
                 }.flatten()
     }
 

api/src/main/java/io/github/wulkanowy/api/homework/Homework.kt

@@ -0,0 +1,16 @@
+package io.github.wulkanowy.api.homework
+
+data class Homework(
+
+        val date: String,
+
+        val subject: String,
+
+        val content: String,
+
+        val teacher: String,
+
+        val teacherSymbol: String,
+
+        val entryDate: String
+)

api/src/main/java/io/github/wulkanowy/api/homework/HomeworkList.kt

@@ -0,0 +1,28 @@
+package io.github.wulkanowy.api.homework
+
+import io.github.wulkanowy.api.SnP
+import io.github.wulkanowy.api.getDateAsTick
+import io.github.wulkanowy.api.getFormattedDate
+import org.jsoup.nodes.Element
+
+class HomeworkList(private val snp: SnP) {
+
+    fun getHomework(date: String = ""): List<Homework> {
+        return snp.getSnPPageDocument("ZadaniaDomowe.mvc?data=${getDateAsTick(date)}&rodzajWidoku=Dzien")
+                .select(".mainContainer article").map {
+                    getItem(it, date)
+                }
+    }
+
+    private fun getItem(e: Element, date: String): Homework {
+        val teacherAndDate = snp.getRowDataChildValue(e, 3).split(", ")
+        return Homework(
+                date = date,
+                subject = snp.getRowDataChildValue(e, 1),
+                teacher = teacherAndDate.first().split(" [").first(),
+                teacherSymbol = teacherAndDate.first().split(" [").last().replace("]", ""),
+                content = snp.getRowDataChildValue(e, 2),
+                entryDate = getFormattedDate(teacherAndDate.last())
+        )
+    }
+}

api/src/test/java/io/github/wulkanowy/api/homework/HomeworkListTest.kt

@@ -0,0 +1,44 @@
+package io.github.wulkanowy.api.homework
+
+import io.github.wulkanowy.api.StudentAndParentTestCase
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class HomeworkListTest : StudentAndParentTestCase() {
+
+    private val snp by lazy { getSnp("ZadaniaDomowe.html") }
+
+    @Test fun getHomework() {
+        assertEquals(2, HomeworkList(snp).getHomework().size)
+    }
+
+    @Test fun getDate() {
+        assertEquals("2018-08-13", HomeworkList(snp).getHomework("2018-08-13")[0].date)
+        assertEquals("1970-01-01", HomeworkList(snp).getHomework("1970-01-01")[1].date)
+    }
+
+    @Test fun getSubject() {
+        assertEquals("Sieci komputerowe i administrowanie sieciami", HomeworkList(snp).getHomework()[0].subject)
+        assertEquals("Naprawa komputera", HomeworkList(snp).getHomework()[1].subject)
+    }
+
+    @Test fun getContent() {
+        assertEquals("Zadania egzaminacyjne", HomeworkList(snp).getHomework()[0].content)
+        assertEquals("Test diagnozujący", HomeworkList(snp).getHomework()[1].content)
+    }
+
+    @Test fun getTeacher() {
+        assertEquals("Słowacki Juliusz", HomeworkList(snp).getHomework()[0].teacher)
+        assertEquals("Mickiewicz Adam", HomeworkList(snp).getHomework()[1].teacher)
+    }
+
+    @Test fun getTeacherSymbol() {
+        assertEquals("SJ", HomeworkList(snp).getHomework()[0].teacherSymbol)
+        assertEquals("MA", HomeworkList(snp).getHomework()[1].teacherSymbol)
+    }
+
+    @Test fun getEntryDate() {
+        assertEquals("2017-10-16", HomeworkList(snp).getHomework()[0].entryDate)
+        assertEquals("2017-10-25", HomeworkList(snp).getHomework()[1].entryDate)
+    }
+}

api/src/test/resources/io/github/wulkanowy/api/homework/ZadaniaDomowe.html

@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>Witryna ucznia i rodzica – Zadania domowe</title>
+</head>
+<body>
+<main class="mainContainer">
+    <h1>Zadania domowe</h1>
+
+    <h2>poniedziałek, 23.10.2017</h2>
+
+    <article>
+        <div class="daneWiersz">
+            <div class="tytul">Przedmiot:</div>
+            <div class="wartosc">Sieci komputerowe i administrowanie sieciami</div>
+        </div>
+        <div class="daneWiersz">
+            <div class="tytul">Opis:</div>
+            <div class="wartosc">Zadania egzaminacyjne
+            </div>
+        </div>
+        <div class="daneWiersz">
+            <div class="tytul">Nauczyciel i data wpisu:</div>
+            <div class="wartosc">Słowacki Juliusz [SJ], 16.10.2017</div>
+        </div>
+    </article>
+    <article>
+        <div class="daneWiersz">
+            <div class="tytul">Przedmiot:</div>
+            <div class="wartosc">Naprawa komputera</div>
+        </div>
+        <div class="daneWiersz">
+            <div class="tytul">Opis:</div>
+            <div class="wartosc">Test diagnozujący</div>
+        </div>
+        <div class="daneWiersz">
+            <div class="tytul">Nauczyciel i data wpisu:</div>
+            <div class="wartosc">Mickiewicz Adam [MA], 25.10.2017</div>
+        </div>
+    </article>
+
+</main>
+<footer>wersja: 18.02.0007.28151</footer>
+</body>
+</html>