Expanded comments and cleaned up more TODO's. Just a couple of bug fixes left in RestKit and styling work on this app!

Examples/RKDiscussionBoardExample/DiscussionBoard/Code/Models/DBContentObject.h

@@ -10,6 +10,9 @@
 #import <RestKit/CoreData/CoreData.h>
 #import "DBUser.h"
 
+// Posted when a content object has changed
+extern NSString* const DBContentObjectDidChangeNotification;
+
 /**
  * Abstract superclass for content models in the Discussion Board. Provides
  * common property & method definitions for the system

Examples/RKDiscussionBoardExample/DiscussionBoard/Code/Models/DBContentObject.m

@@ -8,6 +8,8 @@
 
 #import "DBContentObject.h"
 
+NSString* const DBContentObjectDidChangeNotification = @"DBContentObjectDidChangeNotification";
+
 @implementation DBContentObject
 
 @dynamic userID;

Examples/RKDiscussionBoardExample/DiscussionBoard/Code/Models/DBPost.h

@@ -91,4 +91,9 @@
  */
 @property (nonatomic, retain) UIImage* newAttachment;
 
+/**
+ * Returns YES when there is already an Image attached to this Post
+ */
+- (BOOL)hasAttachment;
+
 @end

Examples/RKDiscussionBoardExample/DiscussionBoard/Code/Models/DBPost.m

@@ -99,4 +99,8 @@
 	return params;
 }
 
+- (BOOL)hasAttachment {
+	return NO == [[self attachmentPath] isWhitespaceAndNewlines];
+}
+
 @end