Phase 1 of Migration. Running Scripts

backend/migration/migrate_mfg_audit_log.py

@@ -0,0 +1,67 @@
+"""
+Phase 1 — Step 1.3: mfg_audit_log  (SQLite → Postgres)
+
+Run on VPS:
+    docker compose exec backend python -m migration.migrate_mfg_audit_log
+"""
+
+import asyncio
+import sys
+
+from sqlalchemy import text
+
+from migration.utils import open_sqlite, AsyncPgSession, parse_dt, log_run, pg_count
+
+SCRIPT = "migrate_mfg_audit_log"
+
+
+async def run() -> None:
+    sqlite = await open_sqlite()
+    rows = await sqlite.execute_fetchall("SELECT * FROM mfg_audit_log ORDER BY id")
+    await sqlite.close()
+
+    source_count = len(rows)
+    print(f"Source (SQLite): {source_count} mfg_audit_log rows")
+
+    if source_count == 0:
+        print("Nothing to migrate.")
+        await log_run(SCRIPT, 0, 0, notes="source empty")
+        return
+
+    # mfg_audit_log uses a BIGSERIAL PK — we don't preserve SQLite integer IDs
+    # because the Postgres sequence will assign new ones. We insert in the same
+    # timestamp order so the audit trail remains coherent.
+    records = [
+        {
+            "timestamp":     parse_dt(r["timestamp"]),
+            "admin_user":    r["admin_user"],
+            "action":        r["action"],
+            "serial_number": r["serial_number"],
+            "detail":        r["detail"],
+        }
+        for r in rows
+    ]
+
+    async with AsyncPgSession() as session:
+        async with session.begin():
+            await session.execute(
+                text("""
+                    INSERT INTO mfg_audit_log (timestamp, admin_user, action, serial_number, detail)
+                    VALUES (:timestamp, :admin_user, :action, :serial_number, :detail)
+                """),
+                records,
+            )
+            dest_count = await pg_count(session, "mfg_audit_log")
+
+    if dest_count < source_count:
+        msg = f"Count mismatch: source={source_count}  postgres={dest_count}"
+        print(f"ERROR: {msg}", file=sys.stderr)
+        await log_run(SCRIPT, source_count, dest_count, success=False, notes=msg)
+        sys.exit(1)
+
+    print(f"Postgres: {dest_count} rows ✓")
+    await log_run(SCRIPT, source_count, dest_count)
+
+
+if __name__ == "__main__":
+    asyncio.run(run())