44 lines
1.7 KiB
JavaScript
44 lines
1.7 KiB
JavaScript
// schema扩展相关文档请参阅：https://uniapp.dcloud.net.cn/uniCloud/jql-schema-ext.html
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const db = uniCloud.database();
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module.exports = {
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trigger: {
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async beforeRead({clientInfo,where,userInfo}){
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// console.log('where',where);
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const {conversation_id,to_uid} = where
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if(conversation_id || to_uid){
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if(to_uid == userInfo.uid){
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//查发给当前用户的数据
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}else if(conversation_id){
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// console.log('conversation_id',conversation_id);
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const dbJQL = uniCloud.databaseForJQL({
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clientInfo,
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skipTrigger: true
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})
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//判断当前用户id是否有这个会话，否则无权接收此消息
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let {data:conversations} = await dbJQL.collection('uni-im-conversation')
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.where(`"id" == "${conversation_id}" && "user_id" == $cloudEnv_uid`)
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.get()
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// console.log('conversations',conversations);
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if(conversations.length === 0){
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throw new Error('会话id无效，或此会话你无权服务，即：user_id不等于当前用户')
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}
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// if(conversations[0].type == 2){ //2是群聊
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// let {group_id} = conversations[0]
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// let res = await dbJQL.collection('uni-im-group-member')
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// .where(`"group_id" == "${group_id}" && "user_id" == $cloudEnv_uid`)
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// .get()
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// if(res.data.length == 0){
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// throw new Error('不是此群人员，不能读取')
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// }
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// }
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}else{
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throw new Error('uni-im-msg触发器：查询条件会话id或者to_uid错误')
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}
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}else{
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throw new Error('触发器限制了，查询条件必须包含会话id或者to_uid。如果要增加其他查询方式，请自己扩充')
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}
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}
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}
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}
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