Merge pull request #80 from hanief/master

Add controllerWillPerformFetch and controllerDidPerformFetch as delegate methods
Roobiq · May 2, 2016 · 7426d08 · 7426d08
2 parents 07a10bf + 3964649
commit 7426d08
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diff --git a/RBQFetchedResultsController/Source/RBQFetchedResultsController.h b/RBQFetchedResultsController/Source/RBQFetchedResultsController.h
@@ -97,6 +97,20 @@
  */
 - (void)controllerDidChangeContent:(nonnull RBQFetchedResultsController *)controller;
 
+/**
+ *  This method is called before the controller performs the fetch.
+ *
+ *  @param controller controller instance that will perform the fetch
+ */
+- (void)controllerWillPerformFetch:(nonnull RBQFetchedResultsController *)controller;
+
+/**
+ *  This method is called after the controller successfully fetches objects. It will not be called if the fetchRequest is nil.
+ *
+ *  @param controller controller instance that performed the fetch
+ */
+- (void)controllerDidPerformFetch:(nonnull RBQFetchedResultsController *)controller;
+
 @end
 
 #pragma mark - RBQFetchedResultsController

diff --git a/RBQFetchedResultsController/Source/RBQFetchedResultsController.m b/RBQFetchedResultsController/Source/RBQFetchedResultsController.m
@@ -380,6 +380,10 @@ - (id)initWithFetchRequest:(RBQFetchRequest *)fetchRequest
 
 - (BOOL)performFetch
 {
+    if ([self.delegate respondsToSelector:@selector(controllerWillPerformFetch:)]) {
+        [self.delegate controllerWillPerformFetch:self];
+    }
+
     if (self.fetchRequest) {
 
         if (self.cacheName) {
@@ -398,6 +402,10 @@ - (BOOL)performFetch
         // Only register for changes after the cache was created!
         [self registerChangeNotifications];
 
+        if ([self.delegate respondsToSelector:@selector(controllerDidPerformFetch:)]) {
+            [self.delegate controllerDidPerformFetch:self];
+        }
+
         return YES;
     }