functional initDB and verified database functions

docker-compose.yml

@@ -7,7 +7,8 @@ services:
       dockerfile: Dockerfile.bot
     restart: unless-stopped
     depends_on:
-      - db
+      db:
+        condition: service_healthy
     env_file:
       - .env
     environment:
@@ -15,7 +16,6 @@ services:
       DB_HOST: db
       DB_USER: postgres
       DB_PASSWORD: example
-      DATABASE: hypixel
     volumes:
       - /etc/localtime:/etc/localtime:ro
       - /etc/timezone:/etc/timezone:ro
@@ -27,13 +27,15 @@ services:
     build: 
       context: .
       dockerfile: Dockerfile.db
-    restart: always
+    restart: unless-stopped
     environment:
       POSTGRES_PASSWORD: example # Change this to a secure password. Has to be identical to DB_PASSWORD in the bot service
-      POSTGRES_DB: hypixel
-    ports:
-      - 5432:5432
     volumes:
       - ./db_data:/var/lib/postgres/data
       - /etc/localtime:/etc/localtime:ro
       - /etc/timezone:/etc/timezone:ro
+    healthcheck:
+      test: ["CMD", "pg_isready", "-U", "postgres"]
+      interval: 10s
+      timeout: 5s
+      retries: 3

src/sqlFunctions.ts

@@ -4,16 +4,17 @@ const config = loadConfig();
 
 class SqlSystem {
 
-  private static pool: Pool = new Pool({
+  private static pool: Pool;
-    database: process.env.DATABASE,
-    host: process.env.DB_HOST,
-    user: process.env.DB_USER,
-    password: process.env.DB_PASSWORD,
-    max: config.data.worker_count ?? 10
-  })
 
 
   public static async InitDB() {
+    this.pool = new Pool({
+      database: 'postgres',
+      host: process.env.DB_HOST,
+      user: process.env.DB_USER,
+      password: process.env.DB_PASSWORD,
+      max: config.data.worker_count ?? 10
+    });
     let conn: PoolClient | undefined;
     try {
       conn = await this.pool.connect();
@@ -82,6 +83,10 @@ class SqlSystem {
         FOR EACH ROW
         EXECUTE PROCEDURE public.fn_remove_lifetime();
       `);
+      await conn.query(`
+        CREATE EXTENSION IF NOT EXISTS pg_cron;
+        CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+      `);
       //Setup Table sanitation
       await conn.query(`
         CREATE OR REPLACE FUNCTION public.cleanup_old_entries()
@@ -89,7 +94,7 @@ class SqlSystem {
         LANGUAGE plpgsql
         AS $$
         DECLARE
-          temp_id INT;
+          temp_id UUID;
         BEGIN
           FOR temp_id IN
             SELECT id
@@ -104,7 +109,26 @@ class SqlSystem {
           RETURN;
         END;
         $$;
-        `);
+      `);
+      await conn.query(`
+        DO $outer$
+        DECLARE job_exists boolean := false;
+        BEGIN
+          SELECT (count(*) > 0)
+          INTO job_exists
+          FROM cron.job
+          WHERE jobname = 'cleanup_old_entries_event';
+
+          IF NOT job_exists THEN
+            PERFORM cron.schedule(
+              'cleanup_old_entries_event',
+              '*/2 * * * *',
+              $sql$ SELECT public.cleanup_old_entries(); $sql$
+            );
+          END IF;
+        END;
+        $outer$; 
+      `);
     }
     catch (error) {
       console.error("InitDB Error: ", error);