adding removeCalendar method

README.md

@@ -129,6 +129,22 @@ Returns: **Promise**
 
 <br/>
 
+### removeCalendar
+Removes a calendar.
+
+```javascript
+RNCalendarEvents.removeCalendar(id)
+```
+
+Arguments:
+ - id: String - The id of the calendar to remove.
+
+Returns: **Promise**
+ - fulfilled: Bool - Successful
+ - rejected: Error
+
+<br/>
+
 ### findEventById
 Find calendar event by id.
 Returns a promise with fulfilled found events.

RNCalendarEvents.m

@@ -805,6 +805,27 @@ - (NSDictionary *)serializeCalendarEvent:(EKEvent *)event
                   [NSString stringWithFormat:@"Calendar %@ could not be saved", title], error);
 }
 
+RCT_EXPORT_METHOD(removeCalendar:(NSString *)calendarId resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
+{
+    if (![self isCalendarAccessGranted]) {
+        reject(@"error", @"unauthorized to access calendar", nil);
+        return;
+    }
+
+
+    dispatch_async(serialQueue, ^{
+
+        EKCalendar *calendar = (EKCalendar *)[self.eventStore calendarWithIdentifier:calendarId];
+        NSError *error = nil;
+
+        BOOL success = [self.eventStore removeCalendar:calendar commit:YES error:&error];
+        if (error) {
+            return reject(@"error", [error.userInfo valueForKey:@"NSLocalizedDescription"], nil);
+        }
+        return resolve(@(success));
+    });
+}
+
 RCT_EXPORT_METHOD(fetchAllEvents:(NSDate *)startDate endDate:(NSDate *)endDate calendars:(NSArray *)calendars resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
 {
     if (![self isCalendarAccessGranted]) {

android/src/main/java/com/calendarevents/CalendarEvents.java

@@ -241,6 +241,22 @@ private int addCalendar(ReadableMap details) throws Exception, SecurityException
         return Integer.parseInt(calendarUri.getLastPathSegment());
     }
 
+    private boolean removeCalendar(String calendarID) {
+        int rows = 0;
+
+        try {
+            ContentResolver cr = reactContext.getContentResolver();
+
+            Uri uri = ContentUris.withAppendedId(CalendarContract.Calendars.CONTENT_URI, (long) Integer.parseInt(calendarID));
+            rows = cr.delete(uri, null, null);
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        return rows > 0;
+    }
+
     private WritableNativeArray findAttendeesByEventId(String eventID) {
         WritableNativeArray result;
         Cursor cursor;
@@ -1213,6 +1229,27 @@ public void run() {
         }
     }
 
+    @ReactMethod
+    public void removeCalendar(final String CalendarID, final Promise promise) {
+        if (this.haveCalendarReadWritePermissions()) {
+            try {
+                Thread thread = new Thread(new Runnable(){
+                    @Override
+                    public void run() {
+                        boolean successful = removeCalendar(CalendarID);
+                        promise.resolve(successful);
+                    }
+                });
+                thread.start();
+
+            } catch (Exception e) {
+                promise.reject("error removing calendar", e.getMessage());
+            }
+        } else {
+            promise.reject("remove calendar error", "you don't have permissions to remove a calendar");
+        }
+
+    }
     @ReactMethod
     public void saveEvent(final String title, final ReadableMap details, final ReadableMap options, final Promise promise) {
         if (this.haveCalendarReadWritePermissions()) {

index.android.js

@@ -29,6 +29,10 @@ export default {
     });
   },
 
+  async removeCalendar (id) {
+    return CalendarEvents.removeCalendar(id)
+  },
+
   async findEventById (id) {
     return CalendarEvents.findById(id)
   },

index.d.ts

@@ -176,8 +176,14 @@ export default class ReactNativeCalendarEvents {
    */
   static saveCalendar(calendar: CalendarOptions): Promise<string>;
   /**
-   * Find calendar event by id.
-   * @param id - Event ID
+   * Removes a calendar.
+   * @param id - The calendar id
+   * @returns - Promise resolving to boolean to indicate if removal succeeded.
+   */
+  static removeCalendar(id: string): Promise<boolean>;
+  /**
+   * Find calendar  by id.
+   * @param id - Calendar ID
    */
   static findEventById(id: string): Promise<CalendarEventReadable | null>;
   /**

index.ios.js

@@ -29,6 +29,10 @@ export default {
     });
   },
 
+  removeCalendar (id) {
+    return RNCalendarEvents.removeCalendar(id)
+  },
+
   findEventById (id) {
     return RNCalendarEvents.findEventById(id);
   },