EpisodesDataSource.m

gistfile1.m

//
//  EpisodesDataSource.m
//  TNN
//
//  Created by Ahmad Mehio on 2/26/14.
//  Copyright (c) 2014 larochesoft. All rights reserved.
//

#import <RestKit/RestKit.h>
#import <QuartzCore/QuartzCore.h>
#import "RKManagedObjectStore.h"
#import "TNNRestClient.h"
#import "Model.h"

#import "NSURL+Addons.h"
#import "TableCellSnippetLabel.h"
#import "TNNCell.h"
#import "UIImage+Addons.h"
#import "EpisodesDataSource.h"
#import "NSArray+Addons.h"

@implementation EpisodesDataSource

- (id)initWithProgramId:(NSNumber *)programId {
    self = [self init];
    self.programId = programId;
    self.parameters = @{@"pid": programId};
    self.predicateStr = @"episode";
    self.predicateFilter = [NSPredicate predicateWithFormat:@"episode_program_id == %@", [NSString stringWithFormat:@"%@", programId]];
    return self;
}

- (id)init {
    self = [super init];
    self.entityName = @"Episodes";
    self.resourcePath = kEpisodesPath;
    self.sortKey = @"episode_title";
    self.keyPath = @"EpisodesList.Episode";
    return self;
}

- (void)addResponseDescriptor {
    
    Model *model = [Model getSingleton];
    
    /*
    NSArray *existingResponseDescriptors = [model.objectManager.responseDescriptors mapObjectsUsingBlock:^(RKResponseDescriptor *descriptor, NSUInteger idx){
        return [descriptor keyPath];
    }];
    
    if ([existingResponseDescriptors containsObject:self.keyPath]) {
        NSLog(@"response descriptor %@ already exsits! return", self.keyPath);
        return;
    }
     */
    
    NSLog(@"adding response descriptor %@", self.keyPath);
    RKEntityMapping *episodesEntityMapping = [RKEntityMapping mappingForEntityForName:self.entityName inManagedObjectStore:model.managedObjectStore];
    // left is http, right is dbase
    [episodesEntityMapping addAttributeMappingsFromDictionary:@{@"EpisodeId.text":        @"episode_id",
                                                                @"EpisodeProgramId.text": @"episode_program_id",
                                                                @"EpisodeTitle.text":     @"episode_title",
                                                                @"EpisodeImageUrl.text":  @"episode_image_url",
                                                                @"EpisodeNewsUrl.text":   @"episode_news_url",
                                                                @"EpisodeVideoUrl.text":  @"episode_video_url",
                                                                @"EpisodeVideoId.text":   @"episode_video_id",
                                                                @"EpisodeCaption.text":   @"episode_caption",
                                                                @"EpisodeDetails.text":   @"episode_details",
                                                                }];
    
    episodesEntityMapping.identificationAttributes = @[ @"episode_id" ];
    
    
    RKResponseDescriptor *episodesResponseDescriptor =
    [RKResponseDescriptor responseDescriptorWithMapping:episodesEntityMapping
                                                 method:RKRequestMethodAny
                                            pathPattern:self.resourcePath
                                                keyPath:self.keyPath
                                            statusCodes:RKStatusCodeIndexSetForClass(RKStatusCodeClassSuccessful)];
    
    
    [model.objectManager addResponseDescriptor:episodesResponseDescriptor];
    
}

- (void)configureCell:(UITableViewCell *)cell atIndexPath:(NSIndexPath *)indexPath
{
    NSLog(@"episodesdatasource [%p] configuring cell at indexPath [%d,%d]", self, indexPath.section, indexPath.row);
    TNNCell *episodeCell = (TNNCell *)cell;
    NSManagedObject *object=nil;
    @try{
        object = [self.fetchedResultsController objectAtIndexPath:indexPath];
    } @catch (NSException*e) {
        NSLog(@"EXCEPTION %@",e);
    }
    
    NSString *imageUrl = [(NSString *)[[object valueForKey:@"episode_image_url"] description] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    if(!imageUrl){
        [episodeCell.previewImageView removeFromSuperview];
        NSLog(@"removed");
    }else{
        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:imageUrl]];
        [request addValue:@"image/*" forHTTPHeaderField:@"Accept"];
        __weak TNNCell *weakCell = episodeCell;
        [episodeCell.previewImageView setImageWithURLRequest:request placeholderImage:self.placeHolderImg success:^(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image) {
            [weakCell.previewImageView setImage:image];
        } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error) {
            // do nothing
        }];
    }
    
    episodeCell.titleLabel.text = [[object valueForKey:@"episode_title"] description];
    
    // snippet
    NSString *contentText =[[object valueForKey:@"episode_caption"] description];
    
    [episodeCell.newsSnippetLabel setText:contentText];
    episodeCell.index = [[object valueForKey:@"episode_id"] intValue];
    NSLog(@"this is episode program id %@", [[object valueForKey:@"episode_program_id"] description]);
}

@end