Merge remote-tracking branch 'origin/master'

app/src/main/java/com/schoolapp/cleverclass/DSBDownloader.kt

@@ -127,7 +127,19 @@ private fun decompressGZIPAndDecodeBase64(compressedData: String): String {
 private fun downloadImagesTask(jsonResponse: JSONObject, mainDir : File) : Int {
     clearFolder(mainDir)
 
-    val jsonDaysObject = jsonResponse.getJSONArray("ResultMenuItems").getJSONObject(0).getJSONArray("Childs").getJSONObject(0).getJSONObject("Root").getJSONArray("Childs")
+    var jsonDaysObject = jsonResponse.getJSONArray("ResultMenuItems")
+    for (i in 0 until jsonDaysObject.length()) {
+        if (jsonDaysObject.getJSONObject(i).get("Index") == 0) {
+            jsonDaysObject = jsonDaysObject.getJSONObject(i).getJSONArray("Childs")
+            break
+        }
+    }
+    for (i in 0 until jsonDaysObject.length()) {
+        if (jsonDaysObject.getJSONObject(i).get("Index") == 0) {
+            jsonDaysObject = jsonDaysObject.getJSONObject(i).getJSONObject("Root").getJSONArray("Childs")
+            break
+        }
+    }
 
     for (d in 0 until jsonDaysObject.length()) {
         val jsonDayObject = jsonDaysObject.getJSONObject(d)