问检查用户验证状态

EN

- (void)checkStatus {
    if (![self isCurrentUserEqualToBriefUser]) {
        // Current user tapped on verification badge of another user.
        // Still check progress of current user to enable/disable button to get verified.
        // If current user is verified that display type will overried dispaly indicating other person is verified.
        [self setupViewWithAppearance:AppearanceTypeTheyreVerified];
    }
    if (![self isUserVerified]) {
        [self checkProgress];
    }
}

- (BOOL)isUserVerified {
    // When user completes verification, Core Data is updated with date of verification. If `isVerificationDateValid` is nil, or invalid, they are not verified.
    if ([CoreDataUser currentUser].isVerificationDateValid) {
        dispatch_async(dispatch_get_main_queue(), ^{
            if ([self isCurrentUserEqualToBriefUser]) {
                [self setupViewWithAppearance:AppearanceTypeYoureVerified];
            }
            [self setPermissionToContinue:NO];
            [self removeLoadingAnimation];
        });
        return YES;
    }
    return NO;
}

- (void)checkProgress {
    dispatch_async(dispatch_get_main_queue(), ^{
        [self.view setUserInteractionEnabled:NO];
    });
    RequestTask *task = [[VerificationDataManager sharedInstance] getVerificationStatus:^(NSDictionary *results, NSError *error) {
        if (results) {
            // Check if user failed background check
            if ([results valueForKey:kVerificationIsBackgroundCheckSuccessful] != nil) {
                if ([results[kVerificationIsBackgroundCheckSuccessful] boolValue] == NO) {
                    dispatch_async(dispatch_get_main_queue(), ^{
                        if ([self isCurrentUserEqualToBriefUser]) {
                            [self setupViewWithAppearance:AppearanceTypeGetVerified];
                        }
                        [self setPermissionToContinue:NO];
                        [self removeLoadingAnimation];
                    });
                    return;
                }
            }
            // get status of ID and backround check
            if (![self isIdUploadInProgress:results]) {
                [self isBackgroundCheckInProgress:results];
            }
        } else if (error) {
            if (error.code == 204) {
                // 204 error  means no object exist. so user isnt verified yet.
                dispatch_async(dispatch_get_main_queue(), ^{
                    if ([self isCurrentUserEqualToBriefUser]) {
                        [self setupViewWithAppearance:AppearanceTypeGetVerified];
                    }
                    [self setPermissionToContinue:YES];
                    [self removeLoadingAnimation];
                });
            } else {
                // Actual error.
                VerifyPageViewController *parent = (VerifyPageViewController *)[self parentViewController];
                [parent dismissViewControllerAnimated:YES completion:nil];
                [self setPermissionToContinue:NO];
                [self removeLoadingAnimation];
            }
        }
        dispatch_async(dispatch_get_main_queue(), ^{
            [self.view setUserInteractionEnabled:YES];
        });
    }];
    [RequestsDispatcher performSingleRequest:task];
}

- (BOOL)isIdUploadInProgress:(NSDictionary *)results {
    VerifyPageViewController *parent = (VerifyPageViewController *)[self parentViewController];
    if ([results valueForKey:kVerificationIsIdVerified] == nil) {
        // key does not exist so has not attempted to submit ID yet.
        [parent nextPageAtIndex:2];
        return YES;
    } else {
        // key does exist, but ID not verified so check how many attempts were performed.
        if ([results[kVerificationIsIdVerified] boolValue] == NO) {
            // 2 attempts max
            int idAttemptCount = [[results objectForKey:kIdUploadAttempts] intValue];
            if (idAttemptCount > 1) {
                // reached max ID upload attempts.
                // set isIDSubmitting to YES, so page 7 shows proper related error.
                // Maybe use state machine with enums in data manager instead.
                [VerificationDataManager sharedInstance].isIdSumitting = YES; 
                [parent nextPageAtIndex:7];
            } else {
                // segue to ID upload page.
                [parent nextPageAtIndex:2];
            }
            return YES;
        }
    }
    return NO;
}

- (BOOL)isBackgroundCheckInProgress:(NSDictionary *)results {
    if ([results valueForKey:kVerificationIsBackgroundCheckSuccessful] == nil) {
        // key doesnt exist, so havnt perfomred backgorund check yet.
        VerifyPageViewController *parent = (VerifyPageViewController *)[self parentViewController];
        [parent nextPageAtIndex:4];
        return YES;
    } else {
        // already check for backgroundcheck failure and
        dispatch_async(dispatch_get_main_queue(), ^{
            if ([self isCurrentUserEqualToBriefUser]) {
                [self setupViewWithAppearance:AppearanceTypeGetVerified];
            }
            [self setPermissionToContinue:NO];
            [self removeLoadingAnimation];
        });
        return NO;
    }
}