show the next day with a lecture on Sundays too

app/build.gradle

@@ -13,7 +13,7 @@ android {
         minSdkVersion 21
         targetSdkVersion 28
         versionCode 11
-        versionName "0.3.98"
+        versionName "0.3.99"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         resValue "string", "build_time", buildTime()
     }
@@ -25,6 +25,10 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
             versionNameSuffix "-release"
         }
+
+        debug {
+            versionNameSuffix "-debug"
+        }
     }
     compileOptions {
     }

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

@@ -119,7 +119,7 @@ class HomeFragment : Fragment() {
     private fun addTimeTable() = doAsync {
         val dayIndex = NotRetardedCalendar().getDayOfWeekIndex()
         val cal = Calendar.getInstance()
-        var dayCardView = DayCardView(context!!)
+        var dayCardView: DayCardView
 
         uiThread {
 
@@ -129,54 +129,31 @@ class HomeFragment : Fragment() {
                 dayCardView = addDayTimetable(timetables[0].days[dayIndex])
                 dayCardView.setDayHeading(resources.getString(R.string.today_date, formatter.format(cal.time)))
 
-                // if there are no lessons don't show the dayCardView
-                if (dayCardView.getLinLayoutDay().childCount <= 1) {
-                    // get next day with at least one lecture
-                    var dayTimetable: TimetableDay? = null
-                    var weekIndex = 0
-                    var dayIndexSearch = dayIndex + 1
-                    loop@ while (dayTimetable == null && weekIndex <= timetables.size) {
-                        for (i in (dayIndexSearch) ..5) {
-                            dayTimetable = timetables[weekIndex].days[i]
-                            cal.add(Calendar.DATE, 1)
-
-                            // add the timetable to the card, if it contains at least one lesson break!
-                            dayCardView = addDayTimetable(dayTimetable)
-                            dayCardView.setDayHeading(formatter.format(cal.time))
-
-                            if (dayCardView.getLinLayoutDay().childCount > 1)
-                                break@loop
-                        }
-                        dayIndexSearch = 0
-                        weekIndex++
-                        cal.add(Calendar.DATE, 1)
-                    }
-                }
-
+                // if there are no lessons try to find the next day with a lesson
                 if (dayCardView.getLinLayoutDay().childCount <= 1)
-                    dayCardView.getLinLayoutDay().addView(getNoCard(resources.getString(R.string.no_lesson_today))) // if there is no lecture at all show the no lesson card
+                    dayCardView = findNextDay(0, dayIndex + 1)
 
+                linLayout_Home.addView(dayCardView)
+            } else if (dayIndex == 6) {
+                // if that's the case it's sunday
+                dayCardView = findNextDay(1, 0)
                 linLayout_Home.addView(dayCardView)
             } else {
-                if (dayIndex == 6) {
-                    // TODO iss this necessary?
-                    // if that's the case it's sunday
-                    dayCardView.getLinLayoutDay().addView(getNoCard(resources.getString(R.string.no_lesson_today)))
-                    linLayout_Home.addView(dayCardView)
-                } else {
-                    MaterialDialog(context!!)
-                        .title(R.string.error)
-                        .message(R.string.gen_tt_error)
-                        .show()
-                    // TODO log the error and send feedback
-                }
-
+                MaterialDialog(context!!)
+                    .title(R.string.error)
+                    .message(R.string.gen_tt_error)
+                    .show()
+                // TODO log the error and send feedback
             }
 
         }
 
     }
 
+    /**
+     * add the timetable of one day to the home-screen
+     * @param dayTimetable the day you wish to add
+     */
     private fun addDayTimetable(dayTimetable: TimetableDay) : DayCardView{
         var helpLesson = LessonLinearLayout(context)
         val dayCardView = DayCardView(context!!)
@@ -204,6 +181,44 @@ class HomeFragment : Fragment() {
         return  dayCardView
     }
 
+    /**
+     * find the next day with a lesson
+     * @param startWeekIndex the week you want to start searching
+     * @param startDayIndex the day index you want to start searching
+     * @return a DayCardView with all lessons added
+     */
+    private fun findNextDay(startWeekIndex: Int, startDayIndex: Int) : DayCardView{
+        val cal = Calendar.getInstance()
+        var dayCardView = DayCardView(context!!)
+        var dayTimetable: TimetableDay? = null
+        var dayIndexSearch = startDayIndex
+        var weekIndexSearch = startWeekIndex
+        loop@ while (dayTimetable == null && weekIndexSearch <= timetables.size) {
+            for (i in (dayIndexSearch) ..5) {
+                dayTimetable = timetables[weekIndexSearch].days[i]
+                cal.add(Calendar.DATE, 1)
+
+                // add the timetable to the card, if it contains at least one lesson break!
+                dayCardView = addDayTimetable(dayTimetable)
+                dayCardView.setDayHeading(formatter.format(cal.time))
+
+                if (dayCardView.getLinLayoutDay().childCount > 1)
+                    return dayCardView
+            }
+            dayIndexSearch = 0
+            weekIndexSearch++
+            cal.add(Calendar.DATE, 1)
+        }
+
+        dayCardView.setDayHeading(formatter.format(Calendar.getInstance().time))
+        dayCardView.getLinLayoutDay().addView(getNoCard(resources.getString(R.string.no_lesson_today))) // if there is no lecture at all show the no lesson card
+        return dayCardView
+    }
+
+    /**
+     * @param text the text to show on the card
+     * @return a TextView with the text and all needed parameters
+     */
     private fun getNoCard(text: String): TextView {
         val noLesson = TextView(context)
         noLesson.text = text