refactor: flatten all migrations, to clean migration unrelated to open source project catalogi

Author: JeromeBu

api/package.json

@@ -26,7 +26,8 @@
         "db:seed": "yarn build && dotenv -e ../.env -- node dist/scripts/seed.js",
         "typecheck": "tsc --noEmit",
         "migrate": "dotenv -e ../.env -- kysely migrate",
-        "db:up": "yarn migrate latest",
+        "migrate:cleanup": "dotenv -e ../.env -- node scripts/cleanup-migrations.js",
+        "db:up": "yarn migrate:cleanup && yarn migrate latest",
         "dev:db:up": "docker compose -f ../docker-compose.resources.yml up -d",
         "dev:db:down": "docker compose -f ../docker-compose.resources.yml down",
         "dev:db:flush": "rm -rf ../docker-data",

api/scripts/cleanup-migrations.js

@@ -0,0 +1,65 @@
+// SPDX-FileCopyrightText: 2021-2025 DINUM <floss@numerique.gouv.fr>
+// SPDX-FileCopyrightText: 2024-2025 Université Grenoble Alpes
+// SPDX-License-Identifier: MIT
+
+/**
+ * TEMPORARY SCRIPT: Clean up old migration records before running migrations.
+ *
+ * This script removes old migration records from kysely_migration table
+ * to allow the flattened migration (1760000000000_create-base-tables) to run.
+ *
+ * DELETE THIS FILE after the migration has been deployed to production.
+ */
+
+const { Kysely, PostgresDialect, sql } = require("kysely");
+const { Pool } = require("pg");
+
+async function cleanupMigrations() {
+    const pool = new Pool({
+        connectionString: process.env.DATABASE_URL
+    });
+
+    const db = new Kysely({
+        dialect: new PostgresDialect({ pool })
+    });
+
+    try {
+        // Check if kysely_migration table exists
+        const { rows } = await sql`
+            SELECT EXISTS (
+                SELECT FROM information_schema.tables
+                WHERE table_schema = 'public'
+                AND table_name = 'kysely_migration'
+            ) as exists
+        `.execute(db);
+
+        if (!rows[0]?.exists) {
+            console.log("No kysely_migration table found. Skipping cleanup.");
+            return;
+        }
+
+        // Delete all old migration records except the flattened one
+        const result = await db
+            .deleteFrom("kysely_migration")
+            .where("name", "!=", "1760000000000_create-base-tables")
+            .executeTakeFirst();
+
+        const numDeleted = Number(result.numDeletedRows || 0);
+
+        if (numDeleted > 0) {
+            console.log(`✓ Cleaned up ${numDeleted} old migration record(s)`);
+        } else {
+            console.log("No old migration records to clean up");
+        }
+    } catch (error) {
+        console.error("Error cleaning up migrations:", error);
+        throw error;
+    } finally {
+        await db.destroy();
+    }
+}
+
+cleanupMigrations().catch(err => {
+    console.error("Fatal error:", err);
+    process.exit(1);
+});