grades ui polishing & sorting fix

app/build.gradle

@@ -11,7 +11,7 @@ android {
         minSdkVersion 23
         targetSdkVersion 29
         versionCode 15
-        versionName "0.5.92"
+        versionName "0.5.93-RC1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         resValue "string", "build_time", buildTime()
         setProperty("archivesBaseName", "projectlaogai-$versionName")

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

@@ -35,34 +35,33 @@ import org.mosad.seil0.projectlaogai.util.gradeSubject
 import java.security.KeyStore
 import java.security.cert.CertificateFactory
 import java.security.cert.X509Certificate
+import java.util.*
 import javax.net.ssl.SSLContext
 import javax.net.ssl.SSLSocketFactory
 import javax.net.ssl.TrustManagerFactory
+import kotlin.collections.ArrayList
+import kotlin.collections.HashMap
 
 /**
- * TODO context in constructor?
+ * Parse the qispos site the get all needed data for the grades fragment
  */
-class QISPOSParser {
+class QISPOSParser(val context: Context) {
 
     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"
 
-
-    fun parseGrades(context: Context): HashMap<String, ArrayList<gradeSubject>> {
+    /**
+     * parse the html from readGrades()
+     * @return a SortedMap, each entry is a semester, each semester has a ArrayList with subjects
+     */
+    fun parseGrades(): SortedMap<String, ArrayList<gradeSubject>> {
         val gradesMap = HashMap<String, ArrayList<gradeSubject>>()
-        val gradesListHtml = readGrades(context)
+        val gradesListHtml = readGrades()
 
         gradesListHtml?.select("table > tbody > tr")?.forEach {
-            //val row = it.select("td.qis_konto")
-
             val row = it.select("td.tabelle1_alignleft,td.tabelle1_aligncenter,td.tabelle1_alignright")
 
-            //println("-----------------------------------------------------------")
-            //println(it.select("td.qis_konto"))
-
-            //if(row.size >= 6) {
             // only real subjects will be selected
             if(row.size >= 6 && row[0].text().length >=7) {
                 val subject = gradeSubject(
@@ -75,39 +74,30 @@ class QISPOSParser {
 
                 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
+        // return the sorted map
+        return gradesMap.toSortedMap(compareBy<String>{
+            val oText = it.substringAfter(" ")
 
-        println("finished parsing!")
-
-        return gradesMap
+            if (oText.contains("/")) {
+                oText.substringBefore("/").toInt() + 0.5
+            } else {
+                oText.toDouble()
+            }
+        }.thenBy { it })
     }
 
     /**
      * read the grades html from qispos
      * @return the grades list as html element or null
      */
-    private fun readGrades(context: Context): Element?{
+    private fun readGrades(): Element?{
 
         val credentials = EncryptedPreferences.readCredentials(context)
         val username = credentials.first.substringBefore("@")
@@ -116,10 +106,7 @@ class QISPOSParser {
         return runBlocking {
             withContext(Dispatchers.IO) {
                 try {
-                    println("querying qispos ...")
-                    println("using $username with ********")
-
-                    val socketFactory = createSSLSocketFactory(context)
+                    val socketFactory = createSSLSocketFactory()
 
                     // login, asdf = username, fdsa = password, wtf
                     val list = mapOf(
@@ -136,16 +123,13 @@ class QISPOSParser {
                         .data(list)
                         .postDataCharset("UTF-8")
                         .execute()
+                    Log.i(className, "login status is: ${res.statusMessage()}: ${res.statusCode()}")
 
                     val loginCookies = res.cookies()
 
-                    println("cookies: $loginCookies")
-                    println("status is: ${res.statusMessage()}: ${res.statusCode()}")
-
                     // 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)
@@ -156,7 +140,6 @@ class QISPOSParser {
                         .get()
 
                     val gradesNextLink = gradesHtml.select("li.treelist > a.regular").attr("abs:href")
-                    println(gradesNextLink)
 
                     val gradesNextHtml = Jsoup.connect(gradesNextLink)
                         .sslSocketFactory(socketFactory)
@@ -166,7 +149,6 @@ class QISPOSParser {
                         .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)
@@ -179,7 +161,7 @@ class QISPOSParser {
                     //println(gradesListHtml.body())
                     gradesListHtml.body()
                 } catch (ex: Exception) {
-                    Log.e(className, "could not load qispos", ex)
+                    Log.e(className, "error while loading qispos", ex)
                     null
                 }
             }
@@ -187,7 +169,10 @@ class QISPOSParser {
 
     }
 
-    private fun createSSLSocketFactory(context: Context): SSLSocketFactory {
+    /**
+     * since the HS has a fucked up tls setup we need to work around that
+     */
+    private fun createSSLSocketFactory(): SSLSocketFactory {
         // Load CAs from an InputStream
         // (could be from a resource or ByteArrayInputStream or ...)
         val cf: CertificateFactory = CertificateFactory.getInstance("X.509")
@@ -195,7 +180,6 @@ class QISPOSParser {
         val ca = caInput.use {
             cf.generateCertificate(it) as X509Certificate
         }
-        println("ca=" + ca.subjectDN)
 
         // Create a KeyStore containing our trusted CAs
         val keyStoreType = KeyStore.getDefaultType()

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

@@ -71,8 +71,7 @@ object EncryptedPreferences {
     fun load(context: Context) {
         with(getEncryptedPreferences(context)) {
             email = this?.getString(
-                context.getString(R.string.save_key_user_email),
-                context.getString(R.string.sample_user)
+                context.getString(R.string.save_key_user_email), ""
             ).toString()
         }
     }

app/src/main/java/org/mosad/seil0/projectlaogai/fragments/GradesFragment.kt

@@ -20,13 +20,13 @@
  *
  */
 
-
 package org.mosad.seil0.projectlaogai.fragments
 
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.TextView
 import androidx.fragment.app.Fragment
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 import kotlinx.android.synthetic.main.fragment_grades.*
@@ -36,11 +36,14 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.mosad.seil0.projectlaogai.R
 import org.mosad.seil0.projectlaogai.controller.QISPOSParser
+import org.mosad.seil0.projectlaogai.controller.preferences.EncryptedPreferences
 import org.mosad.seil0.projectlaogai.uicomponents.DayCardView
 import org.mosad.seil0.projectlaogai.uicomponents.GradeLinearLayout
+import org.mosad.seil0.projectlaogai.uicomponents.dialogs.LoginDialog
 
 /**
- * A simple [Fragment] subclass.
+ * The grades fragment class
+ * contains all needed parts to display and the grades screen
  */
 class GradesFragment : Fragment() {
 
@@ -52,20 +55,51 @@ class GradesFragment : Fragment() {
         refreshLayoutGrades = view.findViewById(R.id.refreshLayout_Grades)
         refreshLayoutGrades.isEnabled = false // disable swipe
 
-        GlobalScope.launch(Dispatchers.Default) {
+        if (checkCredentials()) {
+            GlobalScope.launch(Dispatchers.Default) {
                 addGrades()
+            }
         }
 
         return view
     }
 
+    /**
+     * check if the credentials are set, if not show a login dialog
+     */
+    private fun checkCredentials(): Boolean {
+        val credentials = EncryptedPreferences.readCredentials(context!!)
+        var credentialsPresent = false
+
+        // if there is no password set, show the login dialog
+        if (credentials.first.isEmpty() || credentials.second.isEmpty()) {
+            LoginDialog(this.context!!)
+                .positiveButton {
+                    EncryptedPreferences.saveCredentials(email, password, context)
+                    addGrades()
+                }
+                .negativeButton {
+                    txtView_Loading.text = resources.getString(R.string.credentials_missing)
+                }
+                .show {
+                    email = EncryptedPreferences.email
+                    password = ""
+                }
+        } else {
+            credentialsPresent = true
+        }
+
+        return credentialsPresent
+    }
+
+    // add the grades to the layout, async
     private fun addGrades() = GlobalScope.launch(Dispatchers.Default) {
         withContext(Dispatchers.Main) {
             refreshLayout_Grades.isRefreshing = true
         }
 
-        val parser = QISPOSParser()
-        val grades = parser.parseGrades(context!!)
+        val parser = QISPOSParser(context!!)
+        val grades = parser.parseGrades()
 
         withContext(Dispatchers.Main) {
             linLayout_Grades.removeAllViews() // clear layout
@@ -73,16 +107,40 @@ class GradesFragment : Fragment() {
 
         // for each semester add a new card
         grades.forEach { semester ->
+            val usedSubjects = ArrayList<String>()
             val semesterCard = DayCardView(context!!)
             semesterCard.setDayHeading(semester.key)
 
             // for each subject add a new linLayout
             semester.value.forEachIndexed { index, subject ->
+                if (usedSubjects.contains(subject.name)) {
+                    return@forEachIndexed
+                }
+
+                // get the first sub subjects
+                val subSubject = semester.value.firstOrNull {
+                    it.name.contains(subject.name) && it.name != subject.name
+                }
+
+                // if sub subject is not null, add it to used subjects
+                subSubject?.let {
+                    usedSubjects.add(it.name)
+                }
+
                 val subjectLayout = GradeLinearLayout(context).set {
                     subjectName = subject.name
                     grade = subject.grade
+                    subSubjectName = subSubject?.name.toString()
+                    subGrade = subSubject?.grade.toString()
                 }
 
+                // disable sub-subject if not set
+                if (subSubject == null)
+                    subjectLayout.disableSubSubject()
+
+                // FIXME this is broken
+                // disable divider if last element
+                //if (index == semester.value.lastIndex || semester.value.indexOf(subSubject) == semester.value.lastIndex)
                 if (index == semester.value.lastIndex)
                     subjectLayout.disableDivider()
 
@@ -94,11 +152,17 @@ class GradesFragment : Fragment() {
                 linLayout_Grades.addView(semesterCard)
             }
         }
-        withContext(Dispatchers.Main) {
-            refreshLayout_Grades.isRefreshing = false
+
+        val txtViewLegal = TextView(context).apply {
+            text = resources.getString(R.string.without_guarantee)
+            textAlignment = View.TEXT_ALIGNMENT_CENTER
         }
 
-        //refreshLayoutGrades.isRefreshing = false
+        // stop refreshing and show legal warning
+        withContext(Dispatchers.Main) {
+            linLayout_Grades.addView(txtViewLegal)
+            refreshLayout_Grades.isRefreshing = false
+        }
     }
 
 }

app/src/main/java/org/mosad/seil0/projectlaogai/fragments/SettingsFragment.kt

@@ -105,7 +105,7 @@ class SettingsFragment : Fragment() {
         super.onViewCreated(view, savedInstanceState)
 
         // initialize the settings gui
-        txtView_User.text = EncryptedPreferences.email
+        txtView_User.text = EncryptedPreferences.email.ifEmpty { resources.getString(R.string.sample_user) }
         txtView_Course.text = cCourse.courseName
         txtView_AboutDesc.text =  resources.getString(R.string.about_version, BuildConfig.VERSION_NAME, getString(R.string.build_time))
         switch_buffet.isChecked = cShowBuffet // init switch
@@ -140,7 +140,6 @@ class SettingsFragment : Fragment() {
             // open a new dialog
             LoginDialog(context!!)
                 .positiveButton {
-                    println("Test: $password")
                     EncryptedPreferences.saveCredentials(email, password, context)
                 }
                 .show {

app/src/main/java/org/mosad/seil0/projectlaogai/uicomponents/GradeLinearLayout.kt

@@ -33,6 +33,8 @@ class GradeLinearLayout(context: Context?): LinearLayout(context) {
 
     var subjectName = ""
     var grade = ""
+    var subSubjectName = ""
+    var subGrade = ""
 
     init {
         CardView.inflate(context, R.layout.linearlayout_grade, this)
@@ -43,9 +45,15 @@ class GradeLinearLayout(context: Context?): LinearLayout(context) {
 
         txtView_subject.text = subjectName
         txtView_grade.text = grade
+        txtView_sub_subject.text = subSubjectName
+        txtView_sub_grade.text = subGrade
     }
 
     fun disableDivider() {
-        divider_grades.visibility = View.GONE
+        divider_grade.visibility = View.GONE
+    }
+
+    fun disableSubSubject() {
+        linLayout_sub_subject.visibility = View.GONE
     }
 }

app/src/main/java/org/mosad/seil0/projectlaogai/uicomponents/dialogs/LoginDialog.kt

@@ -45,8 +45,8 @@ class LoginDialog(val context: Context) {
     var password = ""
 
     init {
-        dialog.title(R.string.grades_heading)
-            .message(R.string.grades_desc_on)
+        dialog.title(R.string.login_heading)
+            .message(R.string.login_desc_on)
             .customView(R.layout.dialog_login)
             .positiveButton(R.string.save)
             .negativeButton(R.string.cancel)
@@ -69,6 +69,12 @@ class LoginDialog(val context: Context) {
         }
     }
 
+    fun negativeButton(func: LoginDialog.() -> Unit): LoginDialog = apply {
+        dialog.negativeButton {
+            func()
+        }
+    }
+
     fun show(func: LoginDialog.() -> Unit): LoginDialog = apply {
         func()
 

app/src/main/res/drawable/ic_grading_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M4,7h16v2H4V7zM4,13h16v-2H4V13zM4,17h7v-2H4V17zM4,21h7v-2H4V21zM15.41,18.17L14,16.75l-1.41,1.41L15.41,21L20,16.42L18.58,15L15.41,18.17zM4,3v2h16V3H4z"
+      android:fillColor="#000000"/>
+</vector>

app/src/main/res/layouts/activities/layout/linearlayout_grade.xml

@@ -10,6 +10,7 @@
     android:paddingBottom="3dp">
 
     <LinearLayout
+        android:id="@+id/linLayout_subject"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="horizontal">
@@ -19,23 +20,51 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:text="Mathematik 1"
+            android:text="@string/sample_subject"
             android:textSize="15sp" />
 
         <TextView
             android:id="@+id/txtView_grade"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_marginStart="5dp"
             android:layout_weight="1"
-            android:text="2,0"
+            android:text="@string/sample_grade"
             android:textAlignment="textEnd"
             android:textSize="15sp" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/linLayout_sub_subject"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        android:paddingStart="7dp"
+        android:paddingTop="3dp"
+        android:paddingEnd="0dp">
+
+        <TextView
+            android:id="@+id/txtView_sub_subject"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/sample_sub_subject" />
+
+        <TextView
+            android:id="@+id/txtView_sub_grade"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="5dp"
+            android:layout_weight="1"
+            android:text="@string/sample_grade_state"
+            android:textAlignment="textEnd" />
     </LinearLayout>
 
     <View
-        android:id="@+id/divider_grades"
+        android:id="@+id/divider_grade"
         android:layout_width="match_parent"
         android:layout_height="1dp"
-        android:layout_marginTop="2dp"
+        android:layout_marginTop="3dp"
         android:background="?dividerColor" />
 </LinearLayout>

app/src/main/res/layouts/fragments/layout/fragment_on_login.xml

@@ -36,22 +36,22 @@
                 app:layout_constraintStart_toStartOf="parent">
 
             <TextView
-                    android:id="@+id/txtView_Grades"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:text="@string/grades_heading"
-                    android:textAlignment="center"
-                    android:textSize="26sp"
-                    android:textStyle="bold" />
+                android:id="@+id/txtView_Grades"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/login_heading"
+                android:textAlignment="center"
+                android:textSize="26sp"
+                android:textStyle="bold" />
 
             <TextView
-                    android:id="@+id/txtView_GradesDesc"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_margin="7dp"
-                    android:text="@string/grades_desc_on"
-                    android:textAlignment="center"
-                    android:textSize="18sp" />
+                android:id="@+id/txtView_GradesDesc"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="7dp"
+                android:text="@string/login_desc_on"
+                android:textAlignment="center"
+                android:textSize="18sp" />
 
             <EditText
                     android:id="@+id/editText_email"

app/src/main/res/layouts/fragments/layout/fragment_settings.xml

@@ -65,7 +65,7 @@
                                 android:id="@+id/txtView_UserDesc"
                                 android:layout_width="match_parent"
                                 android:layout_height="wrap_content"
-                                android:text="@string/user" />
+                                android:text="@string/user_desc" />
                         </LinearLayout>
 
                         <View

app/src/main/res/menu/activity_main_drawer.xml

@@ -22,7 +22,7 @@
                 android:title="@string/moodle"/>
         <item
             android:id="@+id/nav_grades"
-            android:icon="@drawable/icon_checkmark_black"
+            android:icon="@drawable/ic_grading_black_24dp"
             android:title="@string/grades" />
         <item
                 android:id="@+id/nav_settings"

app/src/main/res/values-de-rDE/strings.xml

@@ -19,8 +19,8 @@
     <string name="get_started">los geht\'s</string>
     <string name="course_heading">Studiengang</string>
     <string name="course_desc_on">Wähle deinen aktuellen Studiengang.\nZusätzliche Vorlesungen können später hinzugefügt werden.</string>
-    <string name="grades_heading">Noten</string>
-    <string name="grades_desc_on">Project Laogai kann auf die Notenverwaltung zugreifen. Deine Login-Daten werden verschlüsselt auf deinem Gerät gespeichert. Diese Funktion wird "as is" und ohne Garantie bereitgestellt.</string>
+    <string name="login_heading">Login</string>
+    <string name="login_desc_on">Project Laogai kann auf die Notenverwaltung zugreifen. Deine Login-Daten werden verschlüsselt auf deinem Gerät gespeichert. Diese Funktion wird "as is" und ohne Garantie bereitgestellt.</string>
     <string name="email">E-Mail</string>
     <string name="password">Passwort</string>
     <string name="login">login</string>
@@ -41,10 +41,12 @@
 
     <!-- fragment_grades -->
     <string name="loading_from_hs">Lade Daten von den Hochschul Servern.\nDas kann eine Weile dauern.</string>
+    <string name="credentials_missing">Diese Funktion benötigt deine Login-Daten. Bitte logge dich über die Einstellungen ein.</string>
+    <string name="without_guarantee">Alle Angaben ohne Gewähr.</string>
 
     <!-- fragment_settings -->
     <string name="info">Info</string>
-    <string name="user">Benutzer</string>
+    <string name="user_desc">Zum bearbeiten tippen</string>
     <string name="course_desc">Tippe um den Kurs zu ändern</string>
     <string name="manage_lessons">Bearbeite Zusätzliche Vorlesungen</string>
     <string name="manage_lessons_desc">Tippe um zusätzliche Vorlesungen zu bearbeiten</string>

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

@@ -21,8 +21,8 @@
     <string name="get_started">get started</string>
     <string name="course_heading">Course</string>
     <string name="course_desc_on">Select your current course.\nAdditional lessons can be added later.</string>
-    <string name="grades_heading">Grades</string>
-    <string name="grades_desc_on">Project Laogai can connect to the HIS Online-Portal. Your Login-Data will be stored encrypted on your device. This feature is provided "as is", without any warranty.</string>
+    <string name="login_heading">Login</string>
+    <string name="login_desc_on">Project Laogai can connect to the HIS Online-Portal. Your Login-Data will be stored encrypted on your device. This feature is provided "as is", without any guarantee.</string>
     <string name="email">E-Mail</string>
     <string name="password">Password</string>
     <string name="login">login</string>
@@ -43,10 +43,12 @@
 
     <!-- fragment_grades -->
     <string name="loading_from_hs">Loading data from the university servers.\nThis may take a while.</string>
+    <string name="credentials_missing">This feature needs your Login-Data to work. Please login via the settings.</string>
+    <string name="without_guarantee">All information is supplied without guarantee.</string>
 
     <!-- fragment_settings -->
     <string name="info">Info</string>
-    <string name="user">User</string>
+    <string name="user_desc">Tap to edit</string>
     <string name="course_desc">Tap to change course</string>
     <string name="manage_lessons">Manage Additional Lessons</string>
     <string name="manage_lessons_desc">Tap to manage additional lessons</string>
@@ -79,8 +81,12 @@
 
     <!-- sample strings -->
     <string name="sample_user" translatable="false">spinefield@stud.hs-offenburg.de</string>
-    <string name="sample_course" translatable="false">SampleCourse 3</string>
-    <string name="sample_date" translatable="false">Montag, 30.02</string>
+    <string name="sample_course" translatable="false">Everything</string>
+    <string name="sample_subject" translatable="false">Earthbending</string>
+    <string name="sample_sub_subject" translatable="false">Applied Earthbending</string>
+    <string name="sample_grade" translatable="false">1,0</string>
+    <string name="sample_grade_state" translatable="false">passed</string>
+    <string name="sample_date" translatable="false">Monday, 30.02</string>
     <string name="a_time" translatable="false">0.00 – 23.59</string>
 
     <!-- errors -->