SDJK_iOS/SDJK/Modules/OtherModule/VideoModule/ViewModel/RQVideoDetailSubPageViewModel.m

//
//  RQVideoDetailSubPageViewModel.m
//  SDJK
//
//  Created by 张嵘 on 2021/10/26.
//

#import "RQVideoDetailSubPageViewModel.h"

@interface RQVideoDetailSubPageViewModel ()
@property (nonatomic, readwrite, strong) NSArray *videoArr;
@property (nonatomic, readwrite, copy) NSString *subTitle;
@property (nonatomic, readwrite, strong) NSIndexPath *indexPath;
@property (nonatomic, readwrite, assign) RQVideoDetailSubPageUpdateDataType updateDataType;

@end

@implementation RQVideoDetailSubPageViewModel
#pragma mark - Public Method
- (instancetype)initWithServices:(id<RQViewModelServices>)services params:(NSDictionary *)params {
    if (self = [super initWithServices:services params:params]) {
        self.videoArr = params[RQViewModelUtilKey];
        self.title = params[RQViewModelTitleKey];
        self.subTitle = params[RQViewModelIDKey];
        self.indexPath = params[RQViewCommonValueKey];
        self.updateDataType = RQVideoDetailSubPageUpdateDataType_Default;
    }
    return self;
}

- (void)initialize {
    [super initialize];
    
    self.prefersNavigationBarHidden = YES;
    ///配置数据
//    [self rq_configureData];
    [self updateData];
}

- (void)updateData {
    @weakify(self);
    VideosItem *videosItem = self.videoArr.firstObject;
    self.updateDataType = RQVideoDetailSubPageUpdateDataType_Request;
    [[RQ_HTTP_Service getTeachingVideoByTypeId:videosItem.teachingVideoTypeId] subscribeNext:^(NSArray *arr) {
        @strongify(self);
        self.videoArr = [arr.rac_sequence.signal map:^id _Nullable(VideosItem *videoItem) {
            return videoItem;
        }].toArray;
    } error:^(NSError * _Nullable error) {
        
    } completed:^{
        ///配置数据
        [self rq_configureData];
        self.updateDataType = RQVideoDetailSubPageUpdateDataType_Complete;
    }];
}

#pragma mark - PrivateMethod
- (void)rq_configureData {
    @weakify(self);
    ///    第零组
    RQCommonGroupViewModel *group0 = [RQCommonGroupViewModel groupViewModel];
    group0.headerHeight = CGFLOAT_MIN;
    group0.footerHeight = CGFLOAT_MIN;
    
    NSMutableArray *itemMutableArr = @[].mutableCopy;
    [self.videoArr.rac_sequence.signal subscribeNext:^(VideosItem *videosItem) {
        videosItem.index = [self.videoArr indexOfObject:videosItem] + 1;
        videosItem.totalNum = self.videoArr.count;
        RQVideoDetailSubPageItemViewModel *videoDetailSubPageItemViewModel = [[RQVideoDetailSubPageItemViewModel alloc] initWithVideosItem:videosItem];
        videoDetailSubPageItemViewModel.rowHeight = RQ_FIT_HORIZONTAL(88.f);
        videoDetailSubPageItemViewModel.operation = ^{
            @strongify(self);
            [RQNotificationCenter postNotificationName:RQPlayVideoUrlNotification object:@{
                RQPlayVideoItemKey : videosItem,
                RQPlayVideoItemArrKey : self.videoArr,
            }];
        };
        [itemMutableArr addObject:videoDetailSubPageItemViewModel];
    } completed:^{
        group0.itemViewModels = itemMutableArr.copy;
        self.dataSource = @[group0];
    }];    
}
@end