duoshoubang/FirstLink/Compoments/社区模块/晒单发布/ViewModel/FKCirclePubl...

//
//  FKCirclePublicViewModel.m
//  FirstLink
//
//  Created by ascii on 16/6/8.
//  Copyright © 2016年 FirstLink. All rights reserved.
//

#import "FKCirclePublicViewModel.h"
#import "NSArray+Extra.h"

#import "FKCircleDetailItem.h"

NSString *const CIRCLE_PUBLIC_DESC_PALCEHOLDER          = @"介绍一下你买到的海外好物，说说你的购物心得吧～";
NSString *const CIRCLE_PUBLIC_IMAGETEXTVIEW_PALCEHOLDER = @"这里可添加照片描述哦";

NSInteger const FKCIRCLE_PUBLIC_IMAGE_LENGTH          = 400;

NSString *const FKCirclePublicUserCellIdentify        = @"FKCirclePublicUserCellIdentify";
NSString *const FKCirclePublicProductDescCellIdentify = @"FKCirclePublicProductDescCellIdentify";
NSString *const FKCirclePublicImageCellIdentify       = @"FKCirclePublicImageCellIdentify";
NSString *const FKCirclePublicProductCellIdentify     = @"FKCirclePublicProductCellIdentify";


@implementation FKCirclePublicViewModel


#pragma mark - API

- (void)prepareInitData {
    [self.modelMutArray removeAllObjects];
    
    FKCirclePublicTextItem *item = [FKCirclePublicTextItem new];
    item.palceholder = CIRCLE_PUBLIC_DESC_PALCEHOLDER;
    [self.modelMutArray addObject:item];
}

- (void)loadDataFrom:(FKCircleDetailItem *)detailItem {
    [self.modelMutArray removeAllObjects];
    
    if ([detailItem isKindOfClass:[FKCircleDetailItem class]]) {
        self.itemID = detailItem.shareItem.itemId;
        
        FKCirclePublicUserItem *userItem = [FKCirclePublicUserItem new];
        userItem.userID                  = detailItem.userItem.userId;
        userItem.nickname                = detailItem.userItem.nickName;
        userItem.headURL                 = detailItem.userItem.picUrl;
        [self.modelMutArray addObject:userItem];
        
        FKCirclePublicTextItem *textItem = [FKCirclePublicTextItem new];
        textItem.palceholder             = CIRCLE_PUBLIC_DESC_PALCEHOLDER;
        textItem.title                   = detailItem.shareItem.title;
        textItem.text                    = detailItem.shareItem.desc;
        [self.modelMutArray addObject:textItem];
        
        for (FKCirDetailContentItem *contentItem in detailItem.contentArray) {
            if ([contentItem.contentType isEqualToString:@"1"]) {
                FKCirclePublicImageItem *imageItem = [[FKCirclePublicImageItem alloc] init];
                imageItem.photoURL                 = contentItem.contentData.picUrl;
                imageItem.imageDesc                = contentItem.contentData.contentText;
                [self.modelMutArray addObject:imageItem];
            } else if ([contentItem.contentType isEqualToString:@"2"]) {
                FKCircleChoiceProductItem *productItem = [[FKCircleChoiceProductItem alloc] init];
                productItem.itemID                     = contentItem.contentData.productItem.itemId;
                productItem.title                      = contentItem.contentData.productItem.title;
                productItem.photoURL                   = contentItem.contentData.productItem.firstPicUrl;
                productItem.price                      = contentItem.contentData.productItem.price;
                productItem.isSelected                 = YES;
                [self.modelMutArray addObject:productItem];
            }
        }
        
        self.selTagIDs = detailItem.realTagIDArray;
    }
}

- (kCirclePublicType)cellTypeAtIndexPath:(NSIndexPath *)indexPath {
    id item = [self modelItemAtIndexPath:indexPath];
    if ([item isKindOfClass:[FKCirclePublicUserItem class]]) {
        return kCirclePublicUser;
    } else if ([item isKindOfClass:[FKCirclePublicTextItem class]]) {
        return kCirclePublicProductDesc;
    } else if ([item isKindOfClass:[FKCirclePublicImageItem class]]) {
        return kCirclePublicImage;
    } else if ([item isKindOfClass:[FKCircleChoiceProductItem class]]) {
        return kCirclePublicProduct;
    }
    return kCirclePublicNone;
}

- (NSString *)orderCellIdentifyWith:(kCirclePublicType)cellType {
    switch (cellType) {
        case kCirclePublicUser: {
            return FKCirclePublicUserCellIdentify;
        }
        case kCirclePublicProductDesc: {
            return FKCirclePublicProductDescCellIdentify;
        }
        case kCirclePublicImage: {
            return FKCirclePublicImageCellIdentify;
        }
        case kCirclePublicProduct: {
            return FKCirclePublicProductCellIdentify;
        }
        default:
            break;
    }
    return nil;
}

- (id)modelItemAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section < self.modelMutArray.count) {
        return self.modelMutArray[indexPath.section];
    }
    return nil;
}

- (void)removeModelItemAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section < self.modelMutArray.count) {
        [self.modelMutArray removeObjectAtIndex:indexPath.section];
    }
}

- (NSArray *)productIDs {
    NSMutableArray *array = [NSMutableArray array];
    for (FKCircleChoiceProductItem *item in self.modelMutArray) {
        if ([item isKindOfClass:[FKCircleChoiceProductItem class]]) {
            [array addObject:item.itemID];
        }
    }
    return array;
}

- (NSString *)validDataMessage {
    for (id item in self.modelMutArray) {
        if ([item isKindOfClass:[FKCirclePublicTextItem class]]) {
            FKCirclePublicTextItem *textItem = (FKCirclePublicTextItem *)item;
            if ([textItem isKindOfClass:[FKCirclePublicTextItem class]]) {
                if (textItem.text.length == 0) {
                    return @"请输入内容描述";
                }
            }
        }
    }
    NSInteger count = 0;
    for (id item in self.modelMutArray) {
        if ([item isKindOfClass:[FKCirclePublicImageItem class]]) {
            count++;
            break;
        }
    }
    if (count == 0) {
        return @"请至少插入一张图片";
    } else if (count > 9) {
        return @"最多只能上传9张图片";
    }
    
    count = 0;
    for (id item in self.modelMutArray) {
        if (![item isKindOfClass:[FKCirclePublicUserItem class]]) {
            count++;
        }
    }
    if (count > 20) {
        return @"最多只能插入20个商品链接";
    }
    
    return nil;
}

- (NSDictionary *)jsonForCreateShare {
    NSMutableDictionary *mutDict = [NSMutableDictionary dictionary];
    
    NSArray *keys;
    NSArray *values;
    NSString *itemJSONString;
    
    for (id item in self.modelMutArray) {
        if ([item isKindOfClass:[FKCirclePublicTextItem class]]) {
            FKCirclePublicTextItem *textItem = (FKCirclePublicTextItem *)item;
            if (self.itemID.length > 0) {
                keys = @[@"title", @"description", @"id"];
                values = @[[FLStringHelper replaceNilWithEmpty:textItem.title]
                           , [FLStringHelper replaceNilWithEmpty:textItem.text]
                           , [FLStringHelper replaceNilWithEmpty:self.itemID]];
            } else {
                keys = @[@"type", @"title", @"description"];
                values = @[@"1", @"", [FLStringHelper replaceNilWithEmpty:textItem.text]];
            }
            itemJSONString = [FLRequestHelper JSONStringWithKeys:keys
                                                          values:values];
            
            [mutDict setValue:itemJSONString forKey:@"share_json"];
        }
    }
    
    if (self.modelMutArray.count > 1) {
        NSMutableArray *array = [NSMutableArray array];
        NSMutableDictionary *dict;
        for (int idx = 1; idx < self.modelMutArray.count; idx++) {
            id item = self.modelMutArray[idx];
            dict = [NSMutableDictionary dictionary];
            
            if ([item isKindOfClass:[FKCirclePublicImageItem class]]) {
                FKCirclePublicImageItem *imageItem = (FKCirclePublicImageItem*)item;
                [dict setValue:@{@"pic_url"     : [FLStringHelper replaceNilWithEmpty:imageItem.photoURL]
                                , @"content"    : [FLStringHelper replaceNilWithEmpty:imageItem.imageDesc]
                                , @"size"       : [FLStringHelper replaceNilWithEmpty:imageItem.imageSizeString]}
                        forKey:@"content_data"];
                [dict setValue:@"1" forKey:@"content_type"];
                
                [array addObject:dict];
            } else if ([item isKindOfClass:[FKCircleChoiceProductItem class]]) {
                FKCircleChoiceProductItem *productItem = (FKCircleChoiceProductItem*)item;
                [dict setValue:@{@"id": [FLStringHelper replaceNilWithEmpty:productItem.itemID]}
                        forKey:@"content_data"];
                [dict setValue:@"2" forKey:@"content_type"];
                
                [array addObject:dict];
            }
        }
        [mutDict setValue:[array json] forKey:@"share_contents_json"];
    }
    
    if (self.tags.count > 0) {
        NSMutableArray *array = [NSMutableArray array];
        NSMutableDictionary *dict;
        for (FKCircleTagItem *item in self.tags) {
            dict = [NSMutableDictionary dictionary];
            if ([item isKindOfClass:[FKCircleTagItem class]]) {
                [dict setValue:@"17" forKey:@"object_type"];
                [dict setValue:[FLStringHelper replaceNilWithEmpty:item.itemID] forKey:@"object_id"];
                [array addObject:dict];
            }
        }
        [mutDict setValue:[array json] forKey:@"share_x_marks_json"];
    }

    return mutDict;
}

#pragma mark - Property

- (NSMutableArray *)modelMutArray {
    if (!_modelMutArray) {
        _modelMutArray = [NSMutableArray array];
    }
    return _modelMutArray;
}

@end