ios/Timi/Main/ThirdPartyUtils/IMManager/TMSysNoticeMessage.m

//
//  TMSysNoticeMessage.m
//  Timi
//
//  Created by 翟玉磊 on 2021/5/8.
//

#import "TMSysNoticeMessage.h"

@implementation TMSysNoticeMessage

///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.notice = [aDecoder decodeObjectForKey:@"notice"];
    }
    return self;
}

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

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

    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.notice = dictionary[@"notice"];

            NSDictionary *userinfoDic = dictionary[@"user"];
            [self decodeUserInfo:userinfoDic];
        }
    }
}

/// 会话列表中显示的摘要
- (NSString *)conversationDigest {
    NSString *str = @"";
    NSDictionary *param = [self.notice jsonValueDecoded];
    if (param != nil) {
        NSString *msg = [BaseMethod toString:param[@"msg"]];
        NSString *msgContent = [BaseMethod 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 TMSysNoticeMessageIdentifier;
}

@end