{ "schema": { "bsonType": "object", "required": ["to_uid", "body", "type"], "permission": { "read": "auto.uid == doc.to_uid", "create": true, "update": false, "delete": false }, "properties": { "_id": { "description": "ID,系统自动生成" }, "from_uid": { "description": "消息发送方 UserID(用于指定发送消息方帐号)", "forceDefaultValue": { "$env": "uid" } }, "to_uid": { "description": "消息接收方 UserID", "bsonType": "string" }, "is_read": { "description": "是否已读", "bsonType": "bool", "forceDefaultValue": false }, "create_date": { "description": "消息发送时间戳", "forceDefaultValue": { "$env": "now" } }, "body": { "bsonType": "object", "description": "消息内容,包含的键会随type变化。需要自己写valedateFunction验证" }, "type": { "bsonType": "string", "enum": [{ "text": "文本", "value": "text" }, { "text": "图像", "value": "image" }, { "text": "语音", "value": "sound" }, { "text": "视频", "value": "video" }, { "text": "文件", "value": "file" }, { "text": "位置", "value": "location" }] } } }, "index": [] }