Merge pull request 'connect later' (#11) from dev into main

Reviewed-on: #11

src/db.ts

@@ -10,15 +10,20 @@ import { insertResponse, readResponse, writeResponse, singleResponse } from "./r
 
 export class DB {
     tables: Table[] = [];
-    handler: Handler;
+    handler!: Handler;
     name: string;
-    type: dbType;
+    type!: dbType;
     mariaPool!: mariadb.Pool;
+    private connected = false;
     //pgPool!: pg.Pool;
-    constructor({ host, user, password, database, connectionLimit = 5, databaseType = dbType.mariadb }: { host: string, user: string, password: string, database: string, connectionLimit?: number, databaseType?: dbType }) {
+    constructor(database: string) {
+        this.name = database;
+    }
+    connect({ host, user, password, port = 3306, connectionLimit = 5, databaseType = dbType.mariadb }: { host: string, user: string, password: string, port?: number, connectionLimit?: number, databaseType?: dbType }) {
+        this.connected = true;
         this.type = databaseType;
         if (databaseType == dbType.mariadb) {
-            this.mariaPool = mariadb.createPool({ host, user, password, database, connectionLimit, multipleStatements: true });
+            this.mariaPool = mariadb.createPool({ host, user, password, port, database: this.name, connectionLimit, multipleStatements: true });
             this.handler = new Handler(this);
         }
         /*else if (databaseType == dbType.postgres) {
@@ -27,10 +32,11 @@ export class DB {
         }*/
         else throw new Error("Unsuported Database type!");
 
-        this.name = database;
+
     }
     async query(query: Query, printQuery = false) {
-        if(printQuery)console.log(query);
+        if(!this.connected) throw new Error("Not connected yet!");
+        if (printQuery) console.log(query);
         if (this.type == dbType.mariadb) return await this.mariaPool.query(query);
         /*else if (this.type == dbType.postgres) {
             let res = await this.pgPool.query(query.sql, query.values);
@@ -40,10 +46,12 @@ export class DB {
         else throw new Error("Invalid Database Type!");
     }
     getHandler() {
+        if(!this.connected) throw new Error("Not connected yet!");
         return this.handler;
     }
 
     async sync(force = false) {
+        if(!this.connected) throw new Error("Not connected yet!");
         let handler = this.getHandler();
         await handler.syncDB(this, handler, force);
     }
@@ -59,6 +67,7 @@ export class DB {
         return null;
     }
     async close() {
+        if(!this.connected) throw new Error("Not connected yet!");
         if (this.type == dbType.mariadb && this.mariaPool) await this.mariaPool.end();
         //if (this.type == dbType.postgres && this.pgPool) await this.pgPool.end();
     }
@@ -115,8 +124,8 @@ export class Attribute {
     toStringFunc(handler: Handler) {
         return this.table.serialize(handler) + "(" + this.serialize(handler) + ")";
     }
-    toString(){
-        return this.table.dbLangTableName + "_" + this.name; 
+    toString() {
+        return this.table.dbLangTableName + "_" + this.name;
     }
 }