SDJK_iOS/SDJK/Modules/HomePageModule/ViewModel/顺序练习·分类练习·地方专题·精选考题/RQHomeSubPageListViewModel.m

//
//  RQHomeSubPageListViewModel.m
//  SDJK
//
//  Created by 张嵘 on 2021/8/4.
//

#import "RQHomeSubPageListViewModel.h"

@interface RQHomeSubPageListViewModel ()
/// homePageCarType
@property (nonatomic, readwrite, assign) RQHomePageCarType homePageCarType;
/// homePageSubjectType
@property (nonatomic, readwrite, assign) RQHomePageSubjectType homePageSubjectType;
/// homeSubPageType
@property (nonatomic, readwrite, assign) RQHomeSubPageType homeSubPageType;
/// groupDicArr
@property (nonatomic, readwrite, copy) NSArray *groupDicArr;

@end

@implementation RQHomeSubPageListViewModel
#pragma mark - Public Method
- (instancetype)initWithServices:(id<RQViewModelServices>)services params:(NSDictionary *)params{
    if (self = [super initWithServices:services params:params]) {
        self.homePageCarType = [params[RQHomePageCarTypeKey] integerValue];
        self.homePageSubjectType = [params[RQHomePageSubjectTypeKey] integerValue];
        self.homeSubPageType = [params[RQHomeSubPageTypeKey] integerValue];
    }
    return self;
}

- (void)initialize{
    [super initialize];
    /// 配置标题
    [self rq_configureTitle];
    ///配置数据
    [self rq_configureData];
}


#pragma mark - PrivateMethod
- (void)rq_configureTitle {
    [[RACSignal combineLatest:@[RACObserve(self, homePageCarType), RACObserve(self, homePageSubjectType), RACObserve(self, homeSubPageType)]
                            reduce:^id(NSNumber *homePageCarType, NSNumber *homePageSubjectType,  NSNumber *homeSubPageType){
        NSString *homePageCarTypeStr = @"";
        
        switch (homePageCarType.integerValue) {
            case RQHomePageCarType_Car:
                homePageCarTypeStr = @"轿车(C1/C2/C3)";
                break;
            case RQHomePageCarType_Bus:
                homePageCarTypeStr = @"客车(A1/A3/B1)";
                break;
            case RQHomePageCarType_Truck:
                homePageCarTypeStr = @"货车(A2/B2)";
                break;
            case RQHomePageCarType_Motorcycle:
                homePageCarTypeStr = @"摩托车(D/E/F)";
                break;
                
            default:
                break;
        }
        
        NSString *homePageSubjectTypeStr = @"";
        
        switch (homePageSubjectType.integerValue) {
            case RQHomePageSubjectType_SubjectOne:
                homePageSubjectTypeStr = @"科目一";
                break;
            case RQHomePageSubjectType_SubjectTwo:
                homePageSubjectTypeStr = @"科目二";
                break;
            case RQHomePageSubjectType_SubjectThree:
                homePageSubjectTypeStr = @"科目三";
                break;
            case RQHomePageSubjectType_SubjectFour:
                homePageSubjectTypeStr = @"科目四";
                break;
                
            default:
                break;
        }
        NSString *homeSubPageTypeStr = (homeSubPageType.integerValue == RQHomeSubPageType_SequentialPractice)? @"顺序练习" : @"地方专题";
        return [NSString stringWithFormat:@"%@/%@/%@",homePageCarTypeStr,homePageSubjectTypeStr,homeSubPageTypeStr];
    }] subscribeNext:^(NSString *titleStr) {
        self.title = titleStr;
    }];
}

- (void)rq_configureData {
    @weakify(self);
    ///    第零组
    RQCommonGroupViewModel *group = [RQCommonGroupViewModel groupViewModel];
    group.headerHeight = CGFLOAT_MIN;
    group.footerHeight = CGFLOAT_MIN;
        
    NSMutableArray *groupArr = @[].mutableCopy;
    NSArray *columnArr = [RQ_QUESTION_DB_MANAGER getColumnWithCarType:self.homePageCarType subject:self.homePageSubjectType pageType:self.homeSubPageType];
    [columnArr.rac_sequence.signal subscribeNext:^(NSString *titleStr) {
        RQHomeSubPageListItemViewModel *item = [[RQHomeSubPageListItemViewModel alloc] init];
        item.homePageCarType = self.homePageCarType;
        item.homePageSubjectType = self.homePageSubjectType;
        item.homeSubPageType = self.homeSubPageType;
        item.title = titleStr;
        item.rowHeight = RQ_FIT_HORIZONTAL(76.f);
        [groupArr addObject:item];
    } completed:^{
        @strongify(self);
        group.itemViewModels = groupArr.copy;
        self.dataSource = @[group];
    }];
}


#pragma mark - LazyLoad

@end