{
	"bsonType": "object",
	"required": ["user_id", "score", "balance"],
	"permission": {
		"read": "doc.user_id == auth.uid",
		"create": false,
		"update": false,
		"delete": false
	},
	"properties": {
		"_id": {
			"description": "ID，系统自动生成"
		},
		"user_id": {
			"bsonType": "string",
			"description": "用户id，参考uni-id-users表"
		},
		"score": {
			"bsonType": "int",
			"description": "本次变化的积分"
		},
		"type": {
			"bsonType": "int",
			"enum": [1, 2],
			"description": "积分类型 1:收入 2:支出"
		},
		"balance": {
			"bsonType": "int",
			"description": "变化后的积分余额"
		},
		"comment": {
			"bsonType": "string",
			"description": "备注，说明积分新增、消费的缘由",
			"trim": "both"
		},
		"create_date": {
			"bsonType": "timestamp",
			"description": "创建时间",
			"forceDefaultValue": {
				"$env": "now"
			}
		}
	}
}
