//
//  frontPageDataMethod.m
//  ThePaperHD
//
//  Created by scar1900 on 15/1/4.
//  Copyright (c) 2015年 scar1900. All rights reserved.
//

#import "frontPageDataMethod.h"

@implementation frontPageDataMethod

+ (void)saveRemoteDataToCoreData:(id)resData nodeId:(NSString*)nodeId {
    NSError *error;
    NSFetchRequest *request = [[NSFetchRequest alloc]init];
    //为已创建好的实体利用检索到的上下文创建一个实体描述
    NSEntityDescription *entityDescription = [NSEntityDescription entityForName:@"ListContPageDB"
                                                         inManagedObjectContext:[CoreDataManager shareInstance].managedObjectContext];
    [request setEntity:entityDescription];
    //确定持久库中是否存在与此字段相对应的托管对象，所以穿件一个谓词来确定字段的正确对象：
    NSPredicate *pred = [NSPredicate predicateWithFormat:@"nodeId == %@",nodeId];
    [request setPredicate:pred];
    
    ListContPageDB *listContPageDB = nil;
    NSArray *objs = [[CoreDataManager shareInstance].managedObjectContext executeFetchRequest:request error:&error];
    
    if (objs == nil) {
        TPLOG(@"there was an error!!");
    }
    
    if (objs.count > 0) {
        listContPageDB = [objs objectAtIndex:0];
        [[CoreDataManager shareInstance].managedObjectContext deleteObject:listContPageDB];
    }
    
    ListContPageDB *listDB = nil;
    listDB = [NSEntityDescription insertNewObjectForEntityForName:@"ListContPageDB"
                                           inManagedObjectContext:[CoreDataManager shareInstance].managedObjectContext];
    
    listDB = makeDicToCoreDataModel(resData, listDB);
    listDB.date = getLocalDate();
    listDB.nodeId = nodeId;
    
    [[CoreDataManager shareInstance] saveContext];
}

@end