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Viewing changes to musicstreaming/models/Artist.m

  • Committer: Jason Foreman
  • Date: 2011-06-16 18:33:42 UTC
  • mfrom: (191.1.60 master)
  • Revision ID: jason.foreman@canonical.com-20110616183342-vl7a4804xsf0s1b5
Merging branches for v 2.0.

lp:~threeve/ubuntuone-ios-client/master
lp:~urbanape/ubuntuone-ios-client/downloader

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musicstreaming/models/Artist.m
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#import "Artist.h"
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#import "Album.h"
 
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#import "Subsonic.h"
 
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#import "NSMutableSet+Extras.h"
 
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#import "NSString+Extras.h"
 
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#import "ArtistParser.h"
 
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@interface Artist ()
 
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+ (Artist*)artistMatchingPredicate:(NSPredicate*)predicate;
 
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@end
 
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@implementation Artist
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+ (BOOL)artistWithIdExists:(NSString*)anArtistId
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{
 
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        return [Artist artistWithId:anArtistId] != nil;
 
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}
 
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+ (Artist*)artistWithId:(NSString*)anArtistId
 
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{
 
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        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"artistId == %@", anArtistId];
 
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        return [self artistMatchingPredicate:predicate];
 
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}
 
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+ (Artist*)artistWithName:(NSString*)artistName;
 
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{
 
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        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"name == %@", artistName];
 
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        return [self artistMatchingPredicate:predicate];
 
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}
 
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+ (Artist*)artistMatchingPredicate:(NSPredicate*)predicate;
 
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{
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        NSFetchRequest * fetch = [[NSFetchRequest alloc] init];
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        NSEntityDescription *entityDescription = [NSEntityDescription entityForName:@"Artist" inManagedObjectContext:PerThreadManagedObjectContext()];
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        [fetch setEntity:entityDescription];
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        NSPredicate *predicate = [NSPredicate predicateWithFormat:@"artistId == %@", anArtistId];
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        [fetch setPredicate:predicate];
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        NSError * error = nil;
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        NSArray * matches = [PerThreadManagedObjectContext() executeFetchRequest:fetch error:&error];
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        [fetch release];
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        return (0 != [matches count]);
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}
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- (id)initWithCoder:(NSCoder*)decoder
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{
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        if ((self = [super init]))
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        {
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                self.name = [decoder decodeObjectForKey:@"name"];
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                self.artistId = [decoder decodeObjectForKey:@"artistId"];
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        }
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        return self;
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}
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- (void)encodeWithCoder:(NSCoder*)encoder
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{
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        [encoder encodeObject:self.name forKey:@"name"];
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        [encoder encodeObject:self.artistId forKey:@"artistId"];
 
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        return [matches lastObject];
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}
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- (NSString*)description
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    return titleResultsRange.length > 0;
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}
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- (NSString *)dearticlizedName
 
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{
 
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    return [self.name dearticlizedString];
 
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}
 
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// Note: executes synchronously!
 
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- (NSError*)loadAlbums
 
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{
 
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        NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 
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        NSError *error = nil;
 
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        NSMutableSet *parameters = [NSMutableSet set];
 
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        [parameters addKeyValueObjectFromArray:[NSArray arrayWithObjects:@"id", self.artistId, nil]];
 
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        NSURL *url = [[Subsonic sharedSubsonic] getBaseURL:@"getMusicDirectory.view" parameters:parameters];
 
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        NSXMLParser *xmlParser = [[NSXMLParser alloc] initWithContentsOfURL:url];
 
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        ArtistParser *parser = [[ArtistParser alloc] init];
 
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        parser.artistManagedObjectID = [self objectID];
 
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        [xmlParser setDelegate:parser];
 
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        if (![xmlParser parse])
 
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        {
 
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                error = [[xmlParser parserError] copy];
 
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        }
 
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        [xmlParser release];
 
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        [parser release];
 
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        [pool release];
 
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        return [error autorelease];
 
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}
 
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- (BOOL)hasCachedSongs;
 
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{
 
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        NSManagedObjectContext *moc = [self managedObjectContext];
 
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        NSEntityDescription *songEntity = [NSEntityDescription entityForName:@"Song" inManagedObjectContext:moc];
 
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        NSFetchRequest *fetch = [[[NSFetchRequest alloc] init] autorelease];
 
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        [fetch setEntity:songEntity];
 
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        [fetch setPredicate:[NSPredicate predicateWithFormat:@"artist = %@ and cachedSongPath != NIL", self.name]];
 
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        NSError *error = nil;
 
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        NSArray *results = [moc executeFetchRequest:fetch error:&error];
 
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        return [results count] > 0;
 
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}
 
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@end