数据库插件

extend/mysql/index.js

@@ -2,83 +2,75 @@
  * mysql/sequelize
  *
  * 参考文档:
+ * https://sequelize.org/
+ * https://sequelize.org/api/v6/identifiers
  * https://www.sequelize.com.cn/
  */
 const config = require("./config")
 const Sequelize = require("sequelize");
+const operatorsAliases = require("./operatorsAliases");
+const Api = require("./api");
 module.exports = async (app) => {
-	const {
-		      database,
-		      username,
-		      password,
-		      options,
-	      } = config
-	
+	const {database, username, password, options,} = config
 	const sequelize = new Sequelize(database, username, password, {
 		...options,
 		operatorsAliases,
 	});
-	try {
-		await sequelize.authenticate();
-		console.log('数据库连接成功');
-	} catch (error) {
-		console.error('数据库连接失败', error);
-	}
 	
-	app.sql = sequelize
+	// 加载model文件
+	let list = await app.load(config.path)
+	list.forEach(item => {
+		const {res, parse} = item
+		const model = {}
+		for (let key of Object.keys(res.model)) {
+			res.model[key].type = Sequelize[res.model[key].type]
+			model[key] = res.model[key]
+		}
+		model['id'] = {
+			type:          Sequelize.INTEGER,
+			comment:       '表自增id',
+			allowNull:     false,
+			unique:        'id',
+			primaryKey:    true,
+			autoIncrement: true,
+		}
+		sequelize.define(parse.name, model)
+	})
+	
+	
+	app.models = sequelize.models
+	const api = new Api(sequelize, sequelize.models)
+	app.db = api
+	// console.log(api);
+	console.log(await app.db.table("User").find());
 	
 	//等待所有插件载入完成后,自动更新数据库字段
 	//把所有模型的md5值存入到redis里面去,哪个文件的md5有变动就更新哪个表的字段.
-	//todo
-	app.willReadyList.push(()=>{
-	
+	app.willReadyList.push(async () => {
+		list.forEach(async item => {
+			const {res, parse} = item
+			const md5 = await app.redis.get("md5:" + parse.name)
+			const newMd5 = getFileMd5(app.root + '/' + parse.dir + "/" + parse.base)
+			if (!md5 || newMd5 !== md5) {
+				//自动更新表字段
+				await app.models[parse.name].sync({alter: true});
+				console.log("自动更新表:", parse.name);
+				//创建新的md5
+				await app.redis.mset("md5:" + parse.name, newMd5)
+			}
+			
+		})
+		
 	})
 	
 	
 }
 
-//定义别名
-function operatorsAliases() {
-	const Op = Sequelize.Op;
-	//操作符别名
-	const operatorsAliases = {
-		$eq:            Op.eq,
-		$ne:            Op.ne,
-		$gte:           Op.gte,
-		$gt:            Op.gt,
-		$lte:           Op.lte,
-		$lt:            Op.lt,
-		$not:           Op.not,
-		$in:            Op.in,
-		$notIn:         Op.notIn,
-		$is:            Op.is,
-		$like:          Op.like,
-		$notLike:       Op.notLike,
-		$iLike:         Op.iLike,
-		$notILike:      Op.notILike,
-		$regexp:        Op.regexp,
-		$notRegexp:     Op.notRegexp,
-		$iRegexp:       Op.iRegexp,
-		$notIRegexp:    Op.notIRegexp,
-		$between:       Op.between,
-		$notBetween:    Op.notBetween,
-		$overlap:       Op.overlap,
-		$contains:      Op.contains,
-		$contained:     Op.contained,
-		$adjacent:      Op.adjacent,
-		$strictLeft:    Op.strictLeft,
-		$strictRight:   Op.strictRight,
-		$noExtendRight: Op.noExtendRight,
-		$noExtendLeft:  Op.noExtendLeft,
-		$substring:     Op.substring,
-		$startsWith:    Op.startsWith,
-		$endsWith:      Op.endsWith,
-		$and:           Op.and,
-		$or:            Op.or,
-		$any:           Op.any,
-		$all:           Op.all,
-		$values:        Op.values,
-		$col:           Op.col
-	};
-	return operatorsAliases
+//文件md5值
+function getFileMd5(url) {
+	const buffer = require('fs').readFileSync(url);
+	const hash = require('crypto').createHash('md5');
+	hash.update(buffer, 'utf8');
+	const md5 = hash.digest('hex');
+	return md5
 }