root/branches/CoreData/SapphireFrappliance/MetaData/SapphireMObjects/SapphireDirector.m @ 840

#import "SapphireDirector.h"
#import "CoreDataSupportFunctions.h"
#import "SapphireFileSorter.h"
#import "SapphireMetaDataSupport.h"

@implementation SapphireDirector

static NSArray *allowedSorts = nil;

+ (void)load
{
        allowedSorts = [[NSArray alloc] initWithObjects:[SapphireMovieTitleSorter sharedInstance], [SapphireDateSorter sharedInstance], [SapphireMovieIMDBRatingSorter sharedInstance], nil];
}

+ (SapphireDirector *)director:(NSString *)director inContext:(NSManagedObjectContext *)moc
{
        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"name == %@", director];
        return (SapphireDirector *)doSingleFetchRequest(SapphireDirectorName, moc, predicate);
}

+ (SapphireDirector *)createDirector:(NSString *)director inContext:(NSManagedObjectContext *)moc
{
        SapphireDirector *ret = [SapphireDirector director:director inContext:moc];
        if(ret != nil)
                return ret;
        
        ret = [NSEntityDescription insertNewObjectForEntityForName:SapphireDirectorName inManagedObjectContext:moc];
        ret.name = director;
        return ret;
}

+ (NSDictionary *)upgradeV1DirectorsFromContext:(NSManagedObjectContext *)oldMoc toContext:(NSManagedObjectContext *)newMoc
{
        NSMutableDictionary *lookup = [NSMutableDictionary dictionary];
        NSArray *oldDirectors = doFetchRequest(SapphireDirectorName, oldMoc, nil);
        NSEnumerator *directorEnum = [oldDirectors objectEnumerator];
        NSManagedObject *oldDirector;
        while((oldDirector = [directorEnum nextObject]) != nil)
        {
                SapphireDirector *newDirector = [NSEntityDescription insertNewObjectForEntityForName:SapphireDirectorName inManagedObjectContext:newMoc];
                NSString *name = [oldDirector valueForKey:@"name"];
                newDirector.name = name;
                newDirector.sortMethod = [oldDirector valueForKey:@"sortMethod"];
                [lookup setObject:newDirector forKey:name];
        }
        return lookup;
}

- (NSPredicate *)metaFileFetchPredicate
{
        NSArray *movieIds = [self.moviesSet valueForKey:@"objectID"];
        return [NSPredicate predicateWithFormat:@"movie IN %@", movieIds];
}

- (NSArray *)fileSorters
{
        return allowedSorts;
}

- (NSString *)path
{
        return [[super path] stringByAppendingPathComponent:self.name];
}

- (BOOL)shouldDelete
{
        return [self.moviesSet count] == 0;
}

-(void)removeMovies:(NSSet*)removedMovies
{
        [super removeMovies:removedMovies];
        if([self.moviesSet count] == 0)
                [SapphireMetaDataSupport setObjectForPendingDelete:self];
}

- (void)removeMoviesObject:(SapphireMovie *)removedMovie
{
        [super removeMoviesObject:removedMovie];
        if([self.moviesSet count] == 0)
                [SapphireMetaDataSupport setObjectForPendingDelete:self];
}

@end