KWMSearchResult.m

//
//  KWMSearchResult.m
//  iCemarose
//
//  Created by 陈荣科 on 2016/10/24.
//  Copyright © 2016年 kollway. All rights reserved.
//

#import "KWMSearchResult.h"
#import "KWMDataProduct.h"
#import "KWMVariants.h"

@implementation KWMSearchResult

- (instancetype)initWithDictionary:(NSDictionary *)dict
                        modelClass:(Class)modelClass
                             error:(NSError **)err {
    self = [super initWithDictionary:dict error:err];
    NSArray *data = _products.data;
    _productList = [NSMutableArray array];
    if(data == nil){
        return self;
    }
    for (int i = 0; i < data.count; i++) {
        if(data[i] == nil){
            break;
        }
        NSError *error = nil;
        KWMDataProduct *dataProduct = [[KWMDataProduct alloc] initWithDictionary:data[i] error:&error];
        
        NSArray *dataArray = data[i][@"variants"];

        if(dataArray){
            dataProduct.variants = [self buildListData:[KWMVariants class] jsonDictionary:dataArray];
        }
        [_productList addObject:dataProduct];
    }
    return self;
}

+(JSONKeyMapper*)keyMapper {
    return [JSONKeyMapper mapperFromUnderscoreCaseToCamelCase];
}

- (NSArray *)buildListData:(Class)modelClass jsonDictionary:(NSArray *)dataArray {
    if(modelClass == nil){
        NSString *reason = [[NSString alloc] initWithFormat:@"class with name:%@ doesn't exists!!", NSStringFromClass(modelClass)];
        @throw [[NSException alloc] initWithName:NSInvalidArgumentException reason:reason userInfo:nil];
    }
    if(! [dataArray isKindOfClass:[NSArray class]]){
        NSString *reason = [[NSString alloc] initWithFormat:@"dataArray object is not a NSArray instance"];
        @throw [[NSException alloc] initWithName:NSInvalidArgumentException reason:reason userInfo:nil];
    }
    NSMutableArray *mutableArray = [[NSMutableArray alloc] init];
    for(NSDictionary *itemJson in dataArray){
        NSError *error;
        id result = [[modelClass alloc] initWithDictionary:itemJson error:&error];
        if(error){
            NSLog(@"buildListData error: %@", [error localizedDescription]);
        }else{
            [mutableArray addObject:result];
        }
    }
    return [[NSArray alloc] initWithArray:mutableArray];
}

@end