Initial commit of common code

ZSContextWatcher.h

@@ -0,0 +1,48 @@
+//
+//  ZSContextWatcher.h
+//
+//  Copyright 2010 Zarra Studios, LLC All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+
+@interface ZSContextWatcher : NSObject 
+{
+  NSPersistentStoreCoordinator *persistentStoreCoordinator;
+  NSPredicate *masterPredicate;
+  NSString *reference;
+
+  __weak id delegate;
+  SEL action;
+}
+
+@property (nonatomic, assign) NSPersistentStoreCoordinator *persistentStoreCoordinator;
+@property (nonatomic, assign) id delegate;
+@property (nonatomic, assign) SEL action;
+
+@property (nonatomic, retain) NSPredicate *masterPredicate;
+@property (nonatomic, retain) NSString *reference;
+
+- (id)initWithManagedObjectContext:(NSManagedObjectContext*)context;
+
+- (void)addEntityToWatch:(NSEntityDescription*)description withPredicate:(NSPredicate*)predicate;
+
+@end

ZSContextWatcher.m

@@ -0,0 +1,119 @@
+//
+//  ZSContextWatcher.m
+//
+//  Copyright 2010 Zarra Studios, LLC All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+
+#import "ZSContextWatcher.h"
+
+@implementation ZSContextWatcher
+
+- (id)initWithManagedObjectContext:(NSManagedObjectContext*)context;
+{
+  ZAssert(context, @"Context is nil!");
+  [super init];
+
+  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(contextUpdated:) name:NSManagedObjectContextDidSaveNotification object:nil];
+
+  persistentStoreCoordinator = [context persistentStoreCoordinator];
+
+  return self;
+}
+
+- (void) dealloc
+{
+  [[NSNotificationCenter defaultCenter] removeObserver:self];
+  delegate = nil;
+  [masterPredicate release], masterPredicate = nil;
+  [super dealloc];
+}
+
+- (void)addEntityToWatch:(NSEntityDescription*)description withPredicate:(NSPredicate*)predicate;
+{
+  NSPredicate *entityPredicate = [NSPredicate predicateWithFormat:@"entity.name == %@", [description name]];
+  NSPredicate *finalPredicate = [NSCompoundPredicate andPredicateWithSubpredicates:[NSArray arrayWithObjects:entityPredicate, predicate, nil]];
+
+  if (![self masterPredicate]) {
+    [self setMasterPredicate:finalPredicate];
+    return;
+  }
+
+  NSArray *array = [[NSArray alloc] initWithObjects:[self masterPredicate], finalPredicate, nil];
+  finalPredicate = [NSCompoundPredicate orPredicateWithSubpredicates:array];
+  [array release], array = nil;
+  [self setMasterPredicate:finalPredicate];
+}
+
+- (void)contextUpdated:(NSNotification*)notification
+{
+  NSManagedObjectContext *incomingContext = [notification object];
+  if ([incomingContext persistentStoreCoordinator] != [self persistentStoreCoordinator]) return;
+  if ([self reference]) {
+    DLog(@"%@ entered", [self reference]);
+  }
+  NSMutableSet *inserted = [[[notification userInfo] objectForKey:NSInsertedObjectsKey] mutableCopy];
+  [inserted filterUsingPredicate:[self masterPredicate]];
+  NSMutableSet *deleted = [[[notification userInfo] objectForKey:NSDeletedObjectsKey] mutableCopy];
+  [deleted filterUsingPredicate:[self masterPredicate]];
+  NSMutableSet *updated = [[[notification userInfo] objectForKey:NSUpdatedObjectsKey] mutableCopy];
+  [updated filterUsingPredicate:[self masterPredicate]];
+
+  NSInteger totalCount = [inserted count] + [deleted count]  + [updated count];
+  if (totalCount == 0) {
+    [inserted release], inserted = nil;
+    [deleted release], deleted = nil;
+    [updated release], updated = nil;
+    if ([self reference]) {
+      DLog(@"%@----------fail on count", [self reference]);
+    }
+    return;
+  }
+
+  NSMutableDictionary *results = [[NSMutableDictionary alloc] init];
+  if (inserted) [results setObject:inserted forKey:NSInsertedObjectsKey];
+  if (deleted) [results setObject:deleted forKey:NSDeletedObjectsKey];
+  if (updated) [results setObject:updated forKey:NSUpdatedObjectsKey];
+
+  if ([[self delegate] respondsToSelector:[self action]]) {
+    if ([self reference]) {
+      DLog(@"%@++++++++++firing action", [self reference]);
+    }
+    [[self delegate] performSelector:[self action] withObject:self withObject:results];
+  } else {
+    if ([self reference]) {
+      DLog(@"%@----------delegate doesn't respond", [self reference]);
+    }
+  }
+  [results release], results = nil;
+  [inserted release], inserted = nil;
+  [deleted release], deleted = nil;
+  [updated release], updated = nil;
+}
+
+@synthesize persistentStoreCoordinator;
+@synthesize delegate;
+@synthesize action;
+@synthesize masterPredicate;
+@synthesize reference;
+
+@end

ZSImageCacheHandler.h

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+/*
+ * ZSImageCacheHandler.h
+ *
+ * Created by Marcus S. Zarra
+ * Copyright Zarra Studos LLC 2010. All rights reserved.
+ *
+ * Implementation of an image cache that stores downloaded images
+ * based on a URL key.  The cache is not persistent (OS makes no
+ * guarantees) and is not backed-up when the device is sync'd.
+ *
+ *  Permission is hereby granted, free of charge, to any person
+ *  obtaining a copy of this software and associated documentation
+ *  files (the "Software"), to deal in the Software without
+ *  restriction, including without limitation the rights to use,
+ *  copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the
+ *  Software is furnished to do so, subject to the following
+ *  conditions:
+ *
+ *  The above copyright notice and this permission notice shall be
+ *  included in all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *  OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#define kImageItemDownloadedKey @"kImageItemDownloadedKey"
+#define kImageItem @"kImageItem"
+#define kImageDownloadComplete @"kImageDownloadComplete"
+#define kCachePath @"imageCache"
+
+#import "ZSURLConnectionDelegate.h";
+
+@interface ZSImageCacheHandler : NSObject
+{
+  NSMutableDictionary *currentRequests;
+  NSMutableDictionary *imageCache;
+  NSOperationQueue *operationQueue;
+  NSManagedObjectContext *managedObjectContext;
+
+  NSString *headshotBaseURLString;
+}
+
+@property (nonatomic, retain) NSString *headshotBaseURLString;
+
+- (id)initWithManagedObjectContext:(NSManagedObjectContext*)moc;
+
+- (UIImage*)imageForURL:(NSString*)url;
+
+- (NSString*)URLForPlayer:(NSString*)playerID withSize:(CGSize)size;
+
+@end