From 15a39fbd65428a3fb7a604b17af533d85b1b240d Mon Sep 17 00:00:00 2001
From: Raphael Rivas <raphaelrivas@hotmail.com>
Date: Fri, 26 Jul 2024 14:05:51 -0300
Subject: [PATCH] fix: preventive hotfix for unaccent

---
 src/app.module.ts  |  3 ++-
 src/app.service.ts | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 src/app.service.ts

diff --git a/src/app.module.ts b/src/app.module.ts
index 48755f50..52559959 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -46,6 +46,7 @@ import { UsersModule } from './users/users.module';
 import { TransacaoViewService } from './transacao-bq/transacao-view.service';
 import { TransacaoViewModule } from './transacao-bq/transacao-view.module';
 import { AppLoggerMiddleware } from './utils/logger-middleware';
+import { AppService } from './app.service';
 
 @Module({
   imports: [
@@ -122,7 +123,7 @@ import { AppLoggerMiddleware } from './utils/logger-middleware';
     SftpModule,
     TransacaoViewModule,
   ],
-  providers: [TransacaoViewService],
+  providers: [TransacaoViewService, AppService],
 })
 export class AppModule implements NestModule {
   configure(consumer: MiddlewareConsumer) {
diff --git a/src/app.service.ts b/src/app.service.ts
new file mode 100644
index 00000000..945a3b17
--- /dev/null
+++ b/src/app.service.ts
@@ -0,0 +1,41 @@
+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { InjectDataSource, InjectRepository } from '@nestjs/typeorm';
+import { DataSource, Repository } from 'typeorm';
+import { CustomLogger } from './utils/custom-logger';
+
+@Injectable()
+export class AppService implements OnModuleInit {
+  private logger: CustomLogger = new CustomLogger(AppService.name, {
+    timestamp: true,
+  });
+
+  constructor(@InjectDataSource() private dataSource: DataSource) {}
+
+  async onModuleInit() {
+    await this.applyHotfix();
+  }
+
+  async applyHotfix() {
+    const queryRunner = this.dataSource.createQueryRunner();
+    try {
+      this.logger.log('Applying preventive hotfix...');
+      await queryRunner.connect();
+      /**
+       * Unaccent
+       *
+       * Sometimes the unaccent extension is dropped with no reason so far.
+       * To prevent it, everytime Nest runs, it will re-install this extension.
+       */
+      await queryRunner.query('DROP EXTENSION IF EXISTS unaccent');
+      await queryRunner.query('CREATE EXTENSION IF NOT EXISTS unaccent');
+    } catch (error) {
+      this.logger.error(
+        `Falha ao rodar o hotfix - ${error?.message}`,
+        error?.stack,
+      );
+    } finally {
+      await queryRunner.release();
+      this.logger.log('Preventive hotfix applied!');
+    }
+  }
+}