Recipe-app main

backend/src/prisma/prisma.module.ts

@@ -0,0 +1,9 @@
+import { Global, Module } from '@nestjs/common';
+import { PrismaService } from './prisma.service';
+
+@Global()
+@Module({
+  providers: [PrismaService],
+  exports: [PrismaService],
+})
+export class PrismaModule {}

backend/src/prisma/prisma.service.ts

@@ -0,0 +1,48 @@
+import { Injectable, Logger, OnModuleDestroy, OnModuleInit } from '@nestjs/common';
+import { PrismaClient } from '@prisma/client';
+
+@Injectable()
+export class PrismaService
+  extends PrismaClient
+  implements OnModuleInit, OnModuleDestroy
+{
+  private readonly logger = new Logger(PrismaService.name);
+
+  async onModuleInit() {
+    const maxAttempts = 10;
+    const delayMs = 3000;
+
+    for (let attempt = 1; attempt <= maxAttempts; attempt++) {
+      try {
+        this.logger.log(
+          `Försöker ansluta till databasen (försök ${attempt}/${maxAttempts})...`,
+        );
+
+        await this.$connect();
+
+        this.logger.log('Databasanslutning etablerad.');
+        return;
+      } catch (error) {
+        const message =
+          error instanceof Error ? error.message : 'Okänt fel';
+
+        this.logger.warn(
+          `Databasanslutning misslyckades på försök ${attempt}/${maxAttempts}: ${message}`,
+        );
+
+        if (attempt === maxAttempts) {
+          this.logger.error(
+            'Kunde inte ansluta till databasen efter maximalt antal försök.',
+          );
+          throw error;
+        }
+
+        await new Promise((resolve) => setTimeout(resolve, delayMs));
+      }
+    }
+  }
+
+  async onModuleDestroy() {
+    await this.$disconnect();
+  }
+}