flutter/ios/Runner/TMCustomMessage.m

//
//  TMCustomMessage.m
//  Timi
//
//  Created by 翟玉磊 on 2021/5/11.
//

#import "TMCustomMessage.h"
#import "NSString+YYAdd.h"
#import "NSData+YYAdd.h"
#import "Macro.h"
static NSString * const RTC_CONVENE_GIFT_NOTICE = @"private:chat:gift:settle";

@implementation TMCustomMessage

///消息是否存储，是否计入未读数
+ (RCMessagePersistent)persistentFlag {
    return MessagePersistent_NONE;
}

/// NSCoding
- (instancetype)initWithCoder:(NSCoder *)aDecoder {
    self = [super init];
    if (self) {
        self.data = [aDecoder decodeObjectForKey:@"data"];
    }
    return self;
}

/// NSCoding
- (void)encodeWithCoder:(NSCoder *)aCoder {
    [aCoder encodeObject:self.data forKey:@"data"];
}

///将消息内容编码成json
- (NSData *)encode {
    NSMutableDictionary *dataDict = [NSMutableDictionary dictionary];
    [dataDict setObject:self.data forKey:@"data"];

    if (self.senderUserInfo) {
        [dataDict setObject:[self encodeUserInfo:self.senderUserInfo] forKey:@"user"];
    }

    NSData *data = [NSJSONSerialization dataWithJSONObject:dataDict options:kNilOptions error:nil];
    return data;
}

///将json解码生成消息内容
- (void)decodeWithData:(NSData *)data {
    if (data) {
        __autoreleasing NSError *error = nil;

        NSDictionary *dictionary = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&error];

        if (dictionary) {
            self.data = dictionary[@"data"];
            
            NSDictionary *userinfoDic = dictionary[@"user"];
            [self decodeUserInfo:userinfoDic];
        }
    }
}

/// 会话列表中显示的摘要
- (NSString *)conversationDigest {
    NSString *str = @"";
    NSDictionary *param = [self.data jsonValueDecoded];
    if (param != nil) {
        
        //自定义TIMCustomElem首页默认显示
        NSString *type = [@"12" toString:param[@"type"]];
        if ([type isEqualToString:RTC_CONVENE_GIFT_NOTICE]) {
            NSString *senderUserName = [@"12" toString:param[@"senderUserName"]];
            NSString *targetUserName = [@"12" toString:param[@"targetUserName"]];
            NSString *giftName = [@"12" toString:param[@"giftName"]];
            NSInteger quantity= [param[@"quantity"] integerValue];
            
            str = [NSString stringWithFormat:@"%@ 送给 %@ %@ x%ld", senderUserName, targetUserName, giftName, quantity];
            
        }else{
            NSString *msg = [@"12" toString:param[@"msg"]];
            NSString *msgContent = [@"12" toString:param[@"msgContent"]];
            if (StringIsEmpty(msg)) {
                str = msgContent;
            }else {
                str = msg;
            }
        }
    
    }
    if (StringIsNotEmpty(str)) {
        return str;
    }
    return @"";
}

///消息的类型名
+ (NSString *)getObjectName {
    return TMCustomMessageIdentifier;
}



@end