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

#import "SapphireCast.h"
#import "SapphireMovie.h"
#import "CoreDataSupportFunctions.h"
#import "SapphireFileSorter.h"
#import "SapphireMetaDataSupport.h"

@implementation SapphireCast

static NSArray *allowedSorts = nil;

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

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

+ (SapphireCast *)createCast:(NSString *)cast inContext:(NSManagedObjectContext *)moc
{
        SapphireCast *ret = [SapphireCast cast:cast inContext:moc];
        if(ret != nil)
                return ret;
        
        ret = [NSEntityDescription insertNewObjectForEntityForName:SapphireCastName inManagedObjectContext:moc];
        ret.name = cast;
        return ret;
}

+ (NSDictionary *)upgradeV1CastFromContext:(NSManagedObjectContext *)oldMoc toContext:(NSManagedObjectContext *)newMoc
{
        NSMutableDictionary *lookup = [NSMutableDictionary dictionary];
        NSArray *oldCast = doFetchRequest(SapphireCastName, oldMoc, nil);
        NSEnumerator *castEnum = [oldCast objectEnumerator];
        NSManagedObject *oldCastMember;
        while((oldCastMember = [castEnum nextObject]) != nil)
        {
                SapphireCast *newCastMember = [NSEntityDescription insertNewObjectForEntityForName:SapphireCastName inManagedObjectContext:newMoc];
                NSString *name = [oldCastMember valueForKey:@"name"];
                newCastMember.name = name;
                newCastMember.sortMethod = [oldCastMember valueForKey:@"sortMethod"];
                newCastMember.hasMajorRole = [oldCastMember valueForKey:@"hasMajorRole"];
                [lookup setObject:newCastMember 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];
}

- (void)checkMajorRole
{
        BOOL currentMajorRole = self.hasMajorRoleValue;
        BOOL majorRole = NO;
        NSEnumerator *movieEnum = [self.moviesSet objectEnumerator];
        SapphireMovie *movie;
        while((movie = [movieEnum nextObject]) != nil)
        {
                if([movie castMemberHasMajorRoleStatus:self])
                {
                        majorRole = YES;
                        break;
                }
        }
        if(majorRole != currentMajorRole)
                self.hasMajorRoleValue = majorRole;
}

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

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

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

@end