insert the parsed events in db

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

@@ -160,13 +160,8 @@ class MainActivity : SimpleActivity(), EventListFragment.DeleteListener {
         FilePickerDialog(this) {
             if (it.toLowerCase().endsWith(".ics")) {
                 ImportEventsDialog(this, it) {
-                    runOnUiThread {
-                        if (it) {
-                            toast(R.string.events_imported_successfully)
-                        } else {
-                            toast(R.string.unknown_error_occurred)
-                        }
-                    }
+                    if (it)
+                        updateViewPager()
                 }
             } else {
                 toast(R.string.invalid_file_format)

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

@@ -9,13 +9,11 @@ import com.simplemobiletools.calendar.R
 import com.simplemobiletools.calendar.extensions.getDefaultReminderTypeIndex
 import com.simplemobiletools.calendar.extensions.setupReminderPeriod
 import com.simplemobiletools.calendar.helpers.*
-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 com.simplemobiletools.calendar.helpers.IcsParser.ImportResult.*
+import com.simplemobiletools.commons.extensions.*
 import kotlinx.android.synthetic.main.dialog_import_events.view.*
 
-class ImportEventsDialog(val activity: Activity, val path: String, val callback: (success: Boolean) -> Unit) : AlertDialog.Builder(activity) {
+class ImportEventsDialog(val activity: Activity, val path: String, val callback: (refreshView: 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)
@@ -50,18 +48,26 @@ class ImportEventsDialog(val activity: Activity, val path: String, val callback:
                     else -> getReminderMinutes(view)
                 }
 
-                try {
-                    Thread({
-                        IcsParser.parseIcs(context, minutes, path)
-                        callback.invoke(true)
-                    }).start()
-                } catch (e: Exception) {
-                    callback.invoke(false)
-                }
+                Thread({
+                    val result = IcsParser().parseIcs(context, minutes, path)
+                    handleParseResult(result)
+                    dismiss()
+                }).start()
             })
         }
     }
 
+    private fun handleParseResult(result: IcsParser.ImportResult) {
+        activity.runOnUiThread {
+            activity.toast(when (result) {
+                IMPORT_OK -> R.string.events_imported_successfully
+                IMPORT_PARTIAL -> R.string.importing_some_events_failed
+                else -> R.string.importing_some_events_failed
+            })
+            callback.invoke(result != IMPORT_FAIL)
+        }
+    }
+
     private fun getReminderMinutes(view: View): Int {
         val multiplier = when (view.import_events_custom_reminder_other_period.selectedItemPosition) {
             1 -> HOUR_MINS

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

@@ -2,12 +2,17 @@ package com.simplemobiletools.calendar.helpers
 
 import android.content.Context
 import com.simplemobiletools.calendar.extensions.seconds
+import com.simplemobiletools.calendar.helpers.IcsParser.ImportResult.*
 import com.simplemobiletools.calendar.models.Event
 import org.joda.time.DateTimeZone
 import org.joda.time.format.DateTimeFormat
 import java.io.File
 
-object IcsParser {
+class IcsParser {
+    enum class ImportResult {
+        IMPORT_FAIL, IMPORT_OK, IMPORT_PARTIAL
+    }
+
     private val BEGIN_EVENT = "BEGIN:VEVENT"
     private val BEGIN_ALARM = "BEGIN:VALARM"
     private val END = "END:VEVENT"
@@ -21,37 +26,59 @@ object IcsParser {
     var curTitle = ""
     var curDescription = ""
 
-    fun parseIcs(context: Context, reminderMinutes: Int, path: String) {
-        val inputStream = File(path).inputStream()
+    var eventsImported = 0
+    var eventsFailed = 0
 
-        inputStream.bufferedReader().use {
-            while (true) {
-                val line = it.readLine()?.trim() ?: break
-                if (line == BEGIN_EVENT) {
-                    resetValues()
-                } else if (line.startsWith(DTSTART)) {
-                    curStart = getTimestamp(line.substring(DTSTART.length))
-                } else if (line.startsWith(DTEND)) {
-                    curEnd = getTimestamp(line.substring(DTEND.length))
-                } else if (line.startsWith(SUMMARY)) {
-                    curTitle = line.substring(SUMMARY.length)
-                } else if (line.startsWith(DESCRIPTION)) {
-                    curDescription = line.substring(DESCRIPTION.length)
-                } else if (line == END || line == BEGIN_ALARM) {
-                    if (curTitle.isEmpty() || curStart == -1 || curEnd == -1)
-                        continue
+    fun parseIcs(context: Context, reminderMinutes: Int, path: String): ImportResult {
+        try {
+            val dbHelper = DBHelper(context)
 
-                    val event = Event(0, curStart, curEnd, curTitle, curDescription, reminderMinutes)
-                    resetValues()
+            File(path).inputStream().bufferedReader().use {
+                while (true) {
+                    val line = it.readLine()?.trim() ?: break
+                    if (line == BEGIN_EVENT) {
+                        resetValues()
+                    } else if (line.startsWith(DTSTART)) {
+                        curStart = getTimestamp(line.substring(DTSTART.length))
+                    } else if (line.startsWith(DTEND)) {
+                        curEnd = getTimestamp(line.substring(DTEND.length))
+                    } else if (line.startsWith(SUMMARY)) {
+                        curTitle = line.substring(SUMMARY.length)
+                    } else if (line.startsWith(DESCRIPTION)) {
+                        curDescription = line.substring(DESCRIPTION.length)
+                    } else if (line == END || line == BEGIN_ALARM) {
+                        if (curTitle.isEmpty() || curStart == -1 || curEnd == -1)
+                            continue
+
+                        val event = Event(0, curStart, curEnd, curTitle, curDescription, reminderMinutes)
+                        dbHelper.insert(event)
+                        eventsImported++
+                        resetValues()
+                    }
                 }
             }
+        } catch (e: Exception) {
+            eventsFailed++
+        }
+
+        return if (eventsImported == 0) {
+            IMPORT_FAIL
+        } else if (eventsFailed > 0) {
+            IMPORT_PARTIAL
+        } else {
+            IMPORT_OK
         }
     }
 
     private fun getTimestamp(fullString: String): Int {
-        val digitString = fullString.replace("T", "").replace("Z", "")
-        val dateTimeFormat = DateTimeFormat.forPattern("yyyyMMddHHmmss")
-        return dateTimeFormat.parseDateTime(digitString).withZoneRetainFields(DateTimeZone.UTC).seconds()
+        try {
+            val digitString = fullString.replace("T", "").replace("Z", "")
+            val dateTimeFormat = DateTimeFormat.forPattern("yyyyMMddHHmmss")
+            return dateTimeFormat.parseDateTime(digitString).withZoneRetainFields(DateTimeZone.UTC).seconds()
+        } catch (e: Exception) {
+            eventsFailed++
+            return -1
+        }
     }
 
     private fun resetValues() {

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <string name="import_events_from_ics">Import events from an .ics file</string>
     <string name="event_reminder">תזכורת לאירוע</string>
     <string name="events_imported_successfully">האירועים יובאו בהצלחה</string>
+    <string name="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->

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

@@ -13,6 +13,6 @@
     <dimen name="min_widget_height">250dp</dimen>
 
     <dimen name="meta_text_size">14sp</dimen>
-    <dimen name="day_text_size">20sp</dimen>
+    <dimen name="day_text_size">17sp</dimen>
     <dimen name="month_text_size">22sp</dimen>
 </resources>

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

@@ -47,6 +47,7 @@
     <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="importing_some_events_failed">Importing some events failed</string>
     <string name="invalid_file_format">Invalid file format</string>
 
     <!-- Day details -->