Phase 1 of Migration. Running Scripts

backend/migration/migrate_crm_sync_state.py

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+"""
+Phase 1 — Step 1.5: crm_sync_state  (SQLite → Postgres)
+
+Simple key/value table — small, no FK deps.
+
+Run on VPS:
+    docker compose exec backend python -m migration.migrate_crm_sync_state
+"""
+
+import asyncio
+import sys
+
+from sqlalchemy.dialects.postgresql import insert as pg_insert
+
+from crm.orm import CrmSyncState
+from migration.utils import open_sqlite, AsyncPgSession, log_run, pg_count
+
+SCRIPT = "migrate_crm_sync_state"
+
+
+async def run() -> None:
+    sqlite = await open_sqlite()
+    rows = await sqlite.execute_fetchall("SELECT * FROM crm_sync_state")
+    await sqlite.close()
+
+    source_count = len(rows)
+    print(f"Source (SQLite): {source_count} crm_sync_state rows")
+
+    if source_count == 0:
+        print("Nothing to migrate.")
+        await log_run(SCRIPT, 0, 0, notes="source empty")
+        return
+
+    records = [{"key": r["key"], "value": r["value"]} for r in rows]
+
+    async with AsyncPgSession() as session:
+        async with session.begin():
+            stmt = pg_insert(CrmSyncState).values(records)
+            stmt = stmt.on_conflict_do_nothing(index_elements=["key"])
+            await session.execute(stmt)
+            dest_count = await pg_count(session, "crm_sync_state")
+
+    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())