QISPOSParser [Part 2]

* parse grades and store them in a HashMap per semester

app/src/main/java/org/mosad/seil0/projectlaogai/MainActivity.kt

@@ -179,7 +179,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
             EncryptedPreferences.load(this)
 
             val parser = QISPOSParser()
-            parser.test(applicationContext)
+            parser.parseGrades(applicationContext)
 
         }
         Log.i(className, "startup completed in $startupTime ms")

app/src/main/java/org/mosad/seil0/projectlaogai/controller/QISPOSParser.kt

@@ -6,8 +6,10 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext
 import org.jsoup.Jsoup
+import org.jsoup.nodes.Element
 import org.mosad.seil0.projectlaogai.R
 import org.mosad.seil0.projectlaogai.controller.preferences.EncryptedPreferences
+import org.mosad.seil0.projectlaogai.util.gradeSubject
 import java.security.KeyStore
 import java.security.cert.CertificateFactory
 import java.security.cert.X509Certificate
@@ -15,20 +17,75 @@ import javax.net.ssl.SSLContext
 import javax.net.ssl.SSLSocketFactory
 import javax.net.ssl.TrustManagerFactory
 
+/**
+ * TODO context in constructor?
+ */
 class QISPOSParser {
 
     private val className = this.javaClass.name
     private val baseURL = "https://notenverwaltung.hs-offenburg.de"
     private val loginPath = "/qispos/rds?state=user&type=1&category=auth.login&startpage=portal.vm&breadCrumbSource=portal"
-    private val rootPath = "/qispos/rds?state=change&type=1&moduleParameter=studyPOSMenu&nextdir=change&next=menu.vm&subdir=applications&xml=menu&purge=y&navigationPosition=functions%2CstudyPOSMenu&breadcrumb=studyPOSMenu&topitem=functions&subitem=studyPOSMenu"
+    //private val rootPath = "/qispos/rds?state=change&type=1&moduleParameter=studyPOSMenu&nextdir=change&next=menu.vm&subdir=applications&xml=menu&purge=y&navigationPosition=functions%2CstudyPOSMenu&breadcrumb=studyPOSMenu&topitem=functions&subitem=studyPOSMenu"
 
-    fun test(context: Context) {
+
+    fun parseGrades(context: Context) {
+        val gradesMap = HashMap<String, ArrayList<gradeSubject>>()
+        val gradesListHtml = readGrades(context)
+
+        gradesListHtml?.select("table > tbody > tr")?.forEach {
+            val row = it.select("td.qis_konto")
+
+            //println("-----------------------------------------------------------")
+            //println(it.select("td.qis_konto"))
+
+            if(row.size >= 6) {
+                val subject = gradeSubject(
+                    id = row[0].text(),
+                    name = row[1].text(),
+                    semester = row[2].text(),
+                    grade = row[3].text(),
+                    credits = row[5].text()
+                )
+
+                if (gradesMap.containsKey(subject.semester)) {
+                    gradesMap[subject.semester]!!.add(subject)
+                    println(subject.name)
+                } else {
+                    gradesMap[subject.semester] = arrayListOf(subject)
+                    println(subject.name)
+                }
+
+                println("ID: ${row[0].text()}")
+                println("Subject Name: ${row[1].text()}")
+                println("Semester: ${row[2].text()}")
+                println("Grade: ${row[3].text()}")
+                println("Credits: ${row[5].text()}")
+                println("------------------------------------------------------")
+
+            }
+
+        }
+        println(gradesMap)
+        gradesMap.forEach {
+            println("${it.key}: ${it.value}")
+        }
+
+        // TODO sort
+
+        println("finished parsing!")
+    }
+
+    /**
+     * read the grades html from qispos
+     * @return the grades list as html element or null
+     */
+    private fun readGrades(context: Context): Element?{
 
         val credentials = EncryptedPreferences.readCredentials(context)
         val username = credentials.first.substringBefore("@")
         val password = credentials.second
 
-        runBlocking {
+        return runBlocking {
             withContext(Dispatchers.IO) {
                 try {
                     println("querying qispos ...")
@@ -56,14 +113,46 @@ class QISPOSParser {
 
                     println("cookies: $loginCookies")
                     println("status is: ${res.statusMessage()}: ${res.statusCode()}")
-                    println(res.body())
 
-                    // grades url
-                    val test = Jsoup.parse(res.body()).select("li.menueListStyle").select("a.auflistung").last()
-                    println(test)
+                    // grades root document and url
+                    val rootHtml =Jsoup.parse(res.body())
+                    val gradesRootLink = rootHtml.select("li.menueListStyle > a.auflistung").last().attr("abs:href")
+                    println(gradesRootLink)
 
+                    // parse grades url
+                    val gradesHtml = Jsoup.connect(gradesRootLink)
+                        .sslSocketFactory(socketFactory)
+                        .followRedirects(true)
+                        .cookies(loginCookies)
+                        .referrer("https://notenverwaltung.hs-offenburg.de/qispos/rds?state=user&type=0")
+                        .get()
+
+                    val gradesNextLink = gradesHtml.select("li.treelist > a.regular").attr("abs:href")
+                    println(gradesNextLink)
+
+                    val gradesNextHtml = Jsoup.connect(gradesNextLink)
+                        .sslSocketFactory(socketFactory)
+                        .followRedirects(true)
+                        .cookies(loginCookies)
+                        .referrer("https://notenverwaltung.hs-offenburg.de/qispos/rds?state=user&type=0")
+                        .get()
+
+                    val gradesListLink = gradesNextHtml.selectFirst("li.treelist > ul > li").selectFirst("a").attr("abs:href")
+                    println(gradesListLink)
+
+                    // get the grades list
+                    val gradesListHtml = Jsoup.connect(gradesListLink)
+                        .sslSocketFactory(socketFactory)
+                        .followRedirects(true)
+                        .cookies(loginCookies)
+                        .referrer("https://notenverwaltung.hs-offenburg.de/qispos/rds?state=user&type=0")
+                        .get()
+
+                    //println(gradesListHtml.body())
+                    gradesListHtml.body()
                 } catch (ex: Exception) {
                     Log.e(className, "could not load qispos", ex)
+                    null
                 }
             }
         }

app/src/main/java/org/mosad/seil0/projectlaogai/util/DataTypes.kt

@@ -108,6 +108,9 @@ data class TimetableDay(val timeslots: Array<ArrayList<Lesson>> = Array(6) { Arr
 
 data class TimetableWeek(val weekIndex: Int = 0, val weekNumberYear: Int = 0, val days: Array<TimetableDay> = Array(6) { TimetableDay() })
 
+// data classes for the qispos part
+data class gradeSubject(val id: String = "", val name: String = "", val semester: String = "", val grade: String = "", val credits: String = "")
+
 // TCoR
 data class TimetableWeekTCoR(val days: Array<TimetableDay> = Array(6) { TimetableDay() })