Kulexiu/KulexiuForStudent/Pods/TUIChat/TXGroupNoticeMessage.m

//
//  TXGroupNoticeMessage.m
//  TUIChat
//
//  Created by 王智 on 2024/8/30.
//

#import "TXGroupNoticeMessage.h"
#define TXHexRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]

@implementation TXGroupNoticeMessage

+ (TUIMessageCellData *)getCellData:(V2TIMMessage *)message {
    NSDictionary *param = [NSJSONSerialization JSONObjectWithData:message.customElem.data options:NSJSONReadingAllowFragments error:nil];
    TXGroupNoticeMessage *cellData = [[TXGroupNoticeMessage alloc] initWithDirection:message.isSelf ? MsgDirectionOutgoing : MsgDirectionIncoming];
    cellData.innerMessage = message;
    cellData.msgID = message.msgID;
    
    cellData.noticeId = param[@"msgId"];
    cellData.msgTitle = param[@"msgTitle"];
    cellData.msgContent = param[@"msgContent"];
    
    return cellData;
}

+ (NSString *)getDisplayString:(V2TIMMessage *)message {
    return @"[群公告]";
}

- (CGSize)contentSize {
    CGFloat width = ([UIScreen mainScreen].bounds.size.width > [UIScreen mainScreen].bounds.size.height ? [UIScreen mainScreen].bounds.size.height : [UIScreen mainScreen].bounds.size.width);

    if (![self isEmptyString:self.msgContent]) {
        NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
        paragraphStyle.maximumLineHeight = 21;
        paragraphStyle.minimumLineHeight = 21;
        UIFont *font = [UIFont systemFontOfSize:16.0f];
        
        CGFloat height = [self.msgContent boundingRectWithSize:CGSizeMake(221, CGFLOAT_MAX) options:(NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading) attributes:@{NSParagraphStyleAttributeName:paragraphStyle,NSFontAttributeName:font,NSForegroundColorAttributeName:TXHexRGB(0x333333)} context:nil].size.height + 1;
        CGFloat contentHeight = height + 64 + 11;
        return CGSizeMake(width, contentHeight);
    }
    else {
        return CGSizeMake(width, 64 + 11);
    }
}

- (BOOL)isEmptyString:(NSString *)str {
    if (str == nil || str.length == 0) {
        return YES;
    }
    return NO;
}

@end