Refactor units to be generic; start bundles; start app index.ts

orm/src/DatabaseUnit.ts

@@ -0,0 +1,31 @@
+import LifecycleUnit from '../../lib/src/lifecycle/Unit.ts'
+import Config from '../../lib/src/unit/Config.ts'
+import {Unit} from '../../lib/src/lifecycle/decorators.ts'
+import Database from './service/Database.ts'
+
+@Unit()
+export class DatabaseUnit extends LifecycleUnit {
+    constructor(
+        protected config: Config,
+        protected db: Database,
+    ) {
+        super()
+    }
+
+    public async up() {
+        const connections: { [key: string]: any } = this.config.get('db.connections')
+
+        for ( const conn_name in connections ) {
+            if ( !connections.hasOwnProperty(conn_name) ) continue
+            const config = connections[conn_name]
+
+            switch(config.type) {
+                case 'postgres':
+                    await this.db.postgres(conn_name, config)
+                    break
+                default:
+                    throw new TypeError(`Invalid database driver type: ${config.type}`)
+            }
+        }
+    }
+}