add some ics file format checking

app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt

@@ -28,6 +28,7 @@ import com.simplemobiletools.calendar.views.MyScrollView
 import com.simplemobiletools.commons.dialogs.FilePickerDialog
 import com.simplemobiletools.commons.extensions.checkWhatsNew
 import com.simplemobiletools.commons.extensions.hasReadStoragePermission
+import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.extensions.updateTextColors
 import com.simplemobiletools.commons.helpers.LICENSE_JODA
 import com.simplemobiletools.commons.helpers.LICENSE_KOTLIN
@@ -157,8 +158,16 @@ class MainActivity : SimpleActivity(), EventListFragment.DeleteListener {
 
     private fun importEvents() {
         FilePickerDialog(this) {
-            ImportEventsDialog(this, it) {
+            if (it.toLowerCase().endsWith(".ics")) {
-
+                ImportEventsDialog(this, it) {
+                    if (it) {
+                        toast(R.string.events_imported_successfully)
+                    } else {
+                        toast(R.string.unknown_error_occurred)
+                    }
+                }
+            } else {
+                toast(R.string.invalid_file_format)
             }
         }
     }

app/src/main/kotlin/com/simplemobiletools/calendar/dialogs/ImportEventsDialog.kt

@@ -8,17 +8,14 @@ import android.widget.AdapterView
 import com.simplemobiletools.calendar.R
 import com.simplemobiletools.calendar.extensions.getDefaultReminderTypeIndex
 import com.simplemobiletools.calendar.extensions.setupReminderPeriod
-import com.simplemobiletools.calendar.helpers.DAY_MINS
+import com.simplemobiletools.calendar.helpers.*
-import com.simplemobiletools.calendar.helpers.HOUR_MINS
-import com.simplemobiletools.calendar.helpers.REMINDER_AT_START
-import com.simplemobiletools.calendar.helpers.REMINDER_OFF
 import com.simplemobiletools.commons.extensions.humanizePath
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.commons.extensions.showKeyboard
 import com.simplemobiletools.commons.extensions.value
 import kotlinx.android.synthetic.main.dialog_import_events.view.*
 
-class ImportEventsDialog(val activity: Activity, val path: String, val callback: () -> Unit) : AlertDialog.Builder(activity) {
+class ImportEventsDialog(val activity: Activity, val path: String, val callback: (success: Boolean) -> Unit) : AlertDialog.Builder(activity) {
     init {
         val view = LayoutInflater.from(activity).inflate(R.layout.dialog_import_events, null).apply {
             import_events_filename.text = activity.humanizePath(path)
@@ -52,6 +49,13 @@ class ImportEventsDialog(val activity: Activity, val path: String, val callback:
                     1 -> REMINDER_AT_START
                     else -> getReminderMinutes(view)
                 }
+
+                try {
+                    IcsParser.parseIcs(context, minutes, path)
+                    callback.invoke(true)
+                } catch (e: Exception) {
+                    callback.invoke(false)
+                }
             })
         }
     }

app/src/main/kotlin/com/simplemobiletools/calendar/helpers/IcsParser.kt

@@ -21,7 +21,7 @@ object IcsParser {
     var curTitle = ""
     var curDescription = ""
 
-    fun parseIcs(context: Context) {
+    fun parseIcs(context: Context, reminderMinutes: Int, path: String) {
         val inputStream = context.resources.openRawResource(R.raw.sample)
 
         inputStream.bufferedReader().use {
@@ -41,7 +41,7 @@ object IcsParser {
                     if (curTitle.isEmpty() || curStart == -1 || curEnd == -1)
                         continue
 
-                    val event = Event(0, curStart, curEnd, curTitle, curDescription)
+                    val event = Event(0, curStart, curEnd, curTitle, curDescription, reminderMinutes)
                     resetValues()
                 }
             }

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

@@ -8,7 +8,7 @@
         app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/import_events"
-        android:title="@string/import_events"
+        android:title="@string/import_events_from_ics"
         app:showAsAction="never"/>
     <item
         android:id="@+id/settings"

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

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Details</string>

app/src/main/res/values-es-rES/strings.xml

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Detalles</string>

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

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Détails</string>

app/src/main/res/values-hi-rIN/strings.xml

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">विवरण</string>

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

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Részletek</string>

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

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Dettagli</string>

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

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">詳細</string>

app/src/main/res/values-pt-rPT/strings.xml

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Detalhes</string>

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

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Подробности</string>

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

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Detaljer</string>

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

@@ -44,8 +44,10 @@
 
     <!-- Importing -->
     <string name="import_events">Import events</string>
+    <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">Event reminder</string>
     <string name="events_imported_successfully">Events imported successfully</string>
+    <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->
     <string name="details">Details</string>