KWMVariantsVC.m 13.2 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
//
//  KWMSelectSizeViewController.m
//  iCemarose
//
//  Created by HouWeiBin on 17/6/26.
//  Copyright © 2016年 kollway. All rights reserved.
//



#import "KWMVariantsVC.h"
#import "KWMProductSizeCell.h"
#import "KWMProductColorCell.h"
#import "KWMCurrencyUtil.h"
#import "BUYProductVariant+Currency.h"
#import "UIColor+SAMAdditions.h"

@interface KWMVariantsVC ()

@property(nonatomic,weak) IBOutlet NSLayoutConstraint *vContentHeight;

@property (weak, nonatomic) IBOutlet UICollectionView *cvVariants;

@property(nonatomic) IBOutlet UILabel *lbPrice;

@property(nonatomic) IBOutlet UILabel *lbCount;

28 29


30 31 32 33 34 35 36 37
@property(nonatomic) NSInteger count;

@property(nonatomic) NSDecimalNumber *totalPrice;

@property(nonatomic) BUYProductVariant *selectVariant;

@property(nonatomic) KWMVariants *selectAdminVariant;

38 39 40 41 42 43
@property(nonatomic) KWMColor *selectColor;

@property (nonatomic) NSArray<BUYProductVariant *> *variantArray;

//請求api拿到的admin 規格列表,主要使用到其中的庫存剩餘字段
@property (nonatomic) NSArray<KWMVariants *> *adminVariantArray;
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102

@end

@implementation KWMVariantsVC

+(NSString *)kwmTag{
    return @"KWMVariantsVC";
}

-(void)viewDidLoad{
    [super viewDidLoad];
    [self initView];
}

-(NSDecimalNumber *)totalPrice{
    if(_totalPrice){
        return _totalPrice;
    }
    return [NSDecimalNumber decimalNumberWithString:@"0"];
}

-(NSArray<BUYProductVariant *> *)variantArray{
    if(_variantArray){
        return _variantArray;
    }
    return [NSArray array];
}

-(void)setAdminVariantArray:(NSArray<KWMVariants *> *)adminVariantArray{
    _adminVariantArray = adminVariantArray;
    if(adminVariantArray && self.selectVariant){
        for(KWMVariants *variant in adminVariantArray){
            if(self.selectVariant.identifier.integerValue == variant.id.integerValue){
                self.selectAdminVariant = variant;
            }
        }
    }
}

-(void)setProduct:(BUYProduct *)product{
    _product = product;
    if(!_variantArray && product){
        self.variantArray = product.variantsArray;
    }
}

-(void)setShopCartModel:(KWMShopCartModel *)shopCartModel{
    _shopCartModel = shopCartModel;
    if(shopCartModel && self.variantArray){
        for (BUYProductVariant *variant in self.variantArray){
            if([shopCartModel.size isEqualToString:variant.title]){
                self.selectVariant = variant;
                self.count = shopCartModel.quantity;
            }
        }
    }
}

-(void)initView{
103 104 105 106 107 108 109 110
    if(self.product && self.colorArray){
        for(KWMColor *color in self.colorArray){
            if([color.handle isEqual:self.product.handle]){
                self.selectColor = color;
                break;
            }
        }
    }
111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
    [self initUI];
    [self initCollectionView];
    [self initContentHeight];
}

-(void)initUI{
    if(self.selectVariant){
        self.totalPrice = [self.selectVariant.price decimalNumberByMultiplyingBy:[NSDecimalNumber decimalNumberWithDecimal:@(self.count).decimalValue]];
    }
    self.lbCount.text = [NSString stringWithFormat:@"%ld",(long)self.count];
    self.lbPrice.text = [[KWMCurrencyUtil sharedInstance] priceFormatted:self.totalPrice];
}

-(void)initCollectionView{
    [self.cvVariants registerNib:[UINib nibWithNibName:NSStringFromClass([KWMProductColorCell class]) bundle:nil] forCellWithReuseIdentifier:NSStringFromClass([KWMProductColorCell class])];
    [self.cvVariants registerNib:[UINib nibWithNibName:NSStringFromClass([KWMProductSizeCell class]) bundle:nil] forCellWithReuseIdentifier:NSStringFromClass([KWMProductSizeCell class])];
    [self.cvVariants registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"UICollectionViewHeader"];

    UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc]init];
    layout.minimumLineSpacing = 12;
    layout.sectionInset = UIEdgeInsetsMake(0, 35, 0, 35);
    layout.headerReferenceSize = CGSizeMake(UI_SCREEN_WIDTH, 45);
    self.cvVariants.collectionViewLayout = layout;
}

//初始化佈局高度
-(void)initContentHeight{
    if(self.product != nil && self.product.variantsArray!=nil){
        NSInteger sizesHeight = 0;
        {
            NSInteger cellCount =  self.product.variantsArray.count;
            if(cellCount <=0){
                return;
            }
            
            NSInteger cellWidth = (UI_SCREEN_WIDTH - (30 + 30) - (10*3)) / 3;
            NSInteger cellHeight = cellWidth * 0.4;
            NSInteger lineCount = (cellCount +2) / 3;
            sizesHeight = lineCount * cellHeight + 12 *(lineCount - 1) + 45;
        }
        NSInteger colorsHeight = 0;
        {
            NSInteger cellCount =  8;
            NSInteger cellWidth = 50;
            NSInteger cellHeight = 70;
            NSInteger lineItmesNum = (UI_SCREEN_WIDTH - 70 - 12) / (12 + cellWidth);
            NSInteger lineCount = (cellCount + lineItmesNum -1) / lineItmesNum;
            colorsHeight = lineCount * cellHeight + 12 *(lineCount - 1) + 45;
        }
        NSInteger contentHeight = 173 + sizesHeight + colorsHeight;
        NSInteger maxHeight = UI_SCREEN_HEITHT * 0.8;
        self.vContentHeight.constant = fminl(contentHeight,maxHeight);
    }
}

-(IBAction)onClickAdd:(id)sender{
    if(self.selectVariant){
168 169 170 171 172 173
        NSInteger maxCount = self.selectAdminVariant?self.selectAdminVariant.inventoryQuantity.integerValue:9999;
        if(self.count + 1 > maxCount){
            self.count = maxCount;
            [self showToast:[NSString stringWithFormat:@"商品剩余库存仅有%ld件",maxCount]];
        }else{
            self.count ++;
174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199
        }
        [self initUI];
    }else{
        [self showToast:@"请选择您想要的规格"];
    }
}

-(IBAction)onClickReduce:(id)sender{
    if(self.selectVariant){
        self.count = self.count == 1?:self.count-1;
        [self initUI];
    }else{
        [self showToast:@"请选择您想要的规格"];
    }
}

/**
 *  点击加入购物车
 *
 *  @param sender <#sender description#>
 */
-(IBAction)onClickComplete:(UIButton *)sender{
    if (self.selectVariant == nil || self.count==0) {
        [self showToast:@"请选择您想要的规格"];
        return;
    }
200 201 202 203 204 205 206 207 208 209 210 211 212 213 214
//    if (self.product && !self.product.JSONDictionary){
//        [self showToast:@"该商品信息缺失"];
//        return;
//    }
//    BOOL buyNow = sender.tag == 1;
//    __weak id this = self;
//    [self showLoading];
//    if (self.delegate) {
//        [self.delegate kwm_addShopWithVariantId:self.selectVariant.identifier quantity:self.count variant:self.selectVariant buyNow:buyNow callback:^(BOOL success) {
//            [self hideLoading];
//            if(success) {
//                [this dismissViewControllerAnimated:YES completion:nil];
//            }
//        }];
//    }
215 216 217
    //商品详情页现在不是添加到购物车了,而是先显示。
    //所以现在是回调出去。各个页面需要干嘛自己干嘛。
    [self.delegate kwm_setVariant:self variant:self.selectVariant color:self.selectColor];
218
    [self dismissViewControllerAnimated:YES completion:nil];
219 220 221 222 223 224 225 226
}

-(IBAction)onClickBg:(id)sender{
    [self dismissViewControllerAnimated:YES completion:nil];
}

#pragma mark -- UICollectionViewDataSource UICollectionViewDelegate
-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView{
227 228 229 230 231
    if(self.colorArray && self.colorArray.count>0){
        return 2;
    }else{
        return 1;
    }
232 233 234 235
}

-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
    if(section == 0){
236
        return self.variantArray?self.variantArray.count:0;
237
    }else{
238
        return self.colorArray?self.colorArray.count:0;
239 240 241 242 243 244 245 246 247 248
    }
}

//创建头视图
- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView
           viewForSupplementaryElementOfKind:(NSString *)kind
                                 atIndexPath:(NSIndexPath *)indexPath {
    
    UICollectionReusableView *headView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"UICollectionViewHeader" forIndexPath:indexPath];
    
249
    NSString *colorTitle = @"颜色";
250 251 252 253 254 255 256 257 258 259
    NSString *sizeTitle = @"尺寸";
    if(self.selectAdminVariant && self.selectAdminVariant.inventoryQuantity.integerValue <= 5){
        sizeTitle = [NSString stringWithFormat:@"尺寸 (仅剩%@件)",self.selectAdminVariant.inventoryQuantity.stringValue];
    }
    
    [headView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
    
    UILabel *headerLabel = [[UILabel alloc]initWithFrame:CGRectMake(35, 15, UI_SCREEN_WIDTH-80,30)];
    headerLabel.textColor = [UIColor sam_colorWithHex:@"393939"];
    headerLabel.font = [UIFont systemFontOfSize:12.5];
260
    headerLabel.text = indexPath.section == 0?sizeTitle:colorTitle;
261 262 263 264 265 266 267 268 269 270 271 272 273 274
    [headView addSubview:headerLabel];
    
    return headView;
}


-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
    if(indexPath.section == 0){
        KWMProductSizeCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([KWMProductSizeCell class]) forIndexPath:indexPath];
        
        BUYProductVariant *variant = [self.variantArray objectAtIndex:indexPath.row];
        KWMVariants *adminVariant = nil;
        if(self.adminVariantArray && self.adminVariantArray.count>indexPath.row){
            for(KWMVariants *mAdminVariant in self.adminVariantArray){
275
                if([variant.identifier isEqualToNumber:mAdminVariant.id]){
276 277 278 279 280 281 282 283 284 285 286 287 288
                    adminVariant = mAdminVariant;
                }
            }
        }
        
        BOOL isSelect = [self isSelect:variant];
        BOOL isSellOut = [self isSellOut:variant adminVariant:adminVariant];
        
        cell.isSelect = isSelect;
        cell.isSellOut = isSellOut;
        cell.productVariant = variant;
        return cell;
    }else{
289
        KWMColor *color = [self.colorArray objectAtIndex:indexPath.row];
290
        KWMProductColorCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([KWMProductColorCell class]) forIndexPath:indexPath];
291 292
        cell.isSelect = self.selectColor?[self.selectColor.handle isEqualToString:color.handle]:NO;
        cell.data = color;
293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321
        return cell;
    }
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath{
    if(indexPath.section == 0){
        NSInteger width = (UI_SCREEN_WIDTH - (30 + 30) - (10*3)) / 3;
        NSInteger height = width * 0.4;
        return (CGSize){width,height};
    }else{
        return (CGSize){50,70};
    }
}

-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    if(indexPath.section == 0){
        BUYProductVariant *variant = [self.variantArray objectAtIndex:indexPath.row];
        KWMVariants *adminVariant = nil;
        if(self.adminVariantArray && self.adminVariantArray.count>indexPath.row){
            for(KWMVariants *mAdminVariant in self.adminVariantArray){
                if(variant.identifier.integerValue == mAdminVariant.id.integerValue){
                    adminVariant = mAdminVariant;
                }
            }
        }
        BOOL isSellOut = [self isSellOut:variant adminVariant:adminVariant];
        if(isSellOut){
            return;
        }
322
        if(!self.selectVariant || ![self.selectVariant.identifier isEqualToNumber:variant.identifier]){
323 324 325 326 327 328
            self.count = 1;
        }
        self.selectVariant = variant;
        self.selectAdminVariant = adminVariant;
        [self.cvVariants reloadData];
        [self initUI];
329 330 331 332 333 334
    }else if(indexPath.section == 1){
        KWMColor *color = [self.colorArray objectAtIndex:indexPath.row];
        self.selectColor = color;
        self.variantArray = self.selectColor.prodcut.variantsArray;
        [self.cvVariants reloadData];
        //TODO 这里还需要更新页面高度。
335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371
    }
}

#pragma mark -- API KWMAPIManager getAdminProduct
-(void)requestAdminProduct:(NSNumber *)productId{
    if(productId == nil){
        return;
    }
    __weak KWMVariantsVC *weakSelf = self;
    void(^failure)(NSURLSessionDataTask *,NSError *) = ^(NSURLSessionDataTask *task,NSError *error){
        [weakSelf showError:error];
    };
    void(^success)(NSURLSessionDataTask *,KWMProductResult *) = ^(NSURLSessionDataTask *task,KWMProductResult *result){
        if(result!=nil && result.product!=nil){
            KWMProduct* adminProduct = (KWMProduct *)result.product;
            NSArray<KWMVariants *> *adminVariants = adminProduct.variants;
            weakSelf.adminVariantArray = adminVariants;
            [weakSelf.cvVariants reloadData];
        }
    };
    [self.api getAdminProduct:nil productId:productId success:success failure:failure];
}

#pragma mark --ProductVariantUtil
-(BOOL)isSellOut:(BUYProductVariant *)variant adminVariant:(KWMVariants *)adminVariant{
    BOOL isSellOut = NO;
    if(variant){
        isSellOut = variant.availableValue;
    }
    if(adminVariant && !isSellOut){
        isSellOut = adminVariant.inventoryQuantity.integerValue == 0;
    }
    return isSellOut;
}

-(BOOL)isSelect:(BUYProductVariant *)variant{
    if(variant && self.selectVariant){
372
        return [variant.identifier isEqualToNumber:self.selectVariant.identifier];
373 374 375 376 377
    };
    return NO;
}

@end