Converted more procedural programming to OOP

src/application/base/baseRepository.ts

@@ -0,0 +1,24 @@
+import { appLogger } from '../logger'
+import { Database } from '../database'
+import { EntityManager, MikroORM } from '@mikro-orm/core'
+
+export abstract class BaseRepository {
+  protected orm!: MikroORM
+  protected em!: EntityManager
+
+  constructor() {
+    this.initializeORM().catch((error) => {
+      appLogger.error(`Failed to initialize Repository: ${error instanceof Error ? error.message : String(error)}`)
+    })
+  }
+
+  private async initializeORM() {
+    try {
+      this.orm = await Database.getInstance()
+      this.em = this.orm.em.fork()
+    } catch (error: any) {
+      appLogger.error(`Failed to initialize ORM: ${error instanceof Error ? error.message : String(error)}`)
+      throw error
+    }
+  }
+}