#import <CoreData/CoreData.h>

#import <UIKit/UIKit.h>

#if ! defined(MVCNETWORKING_KEEP_PHOTO_ID_BACKUP)

#define MVCNETWORKING_KEEP_PHOTO_ID_BACKUP 0

#endif

extern const CGFloat kThumbnailSize;

@class Thumbnail;

@class RetryingHTTPOperation;

@class MakeThumbnailOperation;

@interface Photo : NSManagedObject

{

#if MVCNETWORKING_KEEP_PHOTO_ID_BACKUP

NSString * _photoIDBackup;

#endif

UIImage * _thumbnailImage;

BOOL _thumbnailImageIsPlaceholder;

RetryingHTTPOperation * _thumbnailGetOperation;

MakeThumbnailOperation * _thumbnailResizeOperation;

RetryingHTTPOperation * _photoGetOperation;

NSString * _photoGetFilePath;

NSUInteger _photoNeededAssertions;

NSError * _photoGetError;

}

+ (Photo *)insertNewPhotoWithProperties:(NSDictionary *)properties inManagedObjectContext:(NSManagedObjectContext *)managedObjectContext;

// Creates a photo with the specified properties in the specified context.

// The properties dictionary is keyed by property names, in a KVC fashion.

- (void)updateWithProperties:(NSDictionary *)properties;

// Updates the photo with the specified properties. This will update the various

// readonly properties listed below, triggering KVO notifications along the way.

@property (nonatomic, retain, readonly ) NSString * photoID; // immutable, unique ID for the photo within this database

@property (nonatomic, retain, readonly ) NSString * displayName; // observable, user-visible name of the photo

@property (nonatomic, retain, readonly ) NSDate * date; // observable, date associated with the photo

@property (nonatomic, retain, readonly ) NSString * localPhotoPath; // observable, path of the photo file on disk, relative to the PhotoGalleryContext photosDirectoryPath, or nil if not downloaded

@property (nonatomic, retain, readonly ) NSString * remotePhotoPath; // observable, URL path of the photo, relative to the PhotoGalleryContext galleryURLString

@property (nonatomic, retain, readonly ) NSString * remoteThumbnailPath; // observable, URL path of the thumbnail, relative to the PhotoGalleryContext galleryURLString

@property (nonatomic, retain, readonly ) Thumbnail * thumbnail; // observable, pointer to the Thumbnail object, or nil if not downloaded

@property (nonatomic, retain, readonly ) UIImage * thumbnailImage; // observable, returns a placeholder if the thumbnail isn't available yet.

@property (nonatomic, retain, readonly ) UIImage * photoImage; // observable, returns nil if the photo isn't available yet

- (void)assertPhotoNeeded;

- (void)deassertPhotoNeeded;

@property (nonatomic, assign, readonly ) BOOL photoGetting; // observable

@property (nonatomic, copy, readonly ) NSError * photoGetError; // observable