Merge db-migrations: Add Flask-Migrate support and clean up old migration system

check_migration_state.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+"""Check and fix migration state in the database"""
+
+from app import app, db
+from sqlalchemy import text
+
+def check_alembic_version():
+    """Check the current alembic version in the database"""
+    with app.app_context():
+        try:
+            # Check if alembic_version table exists
+            result = db.session.execute(text(
+                "SELECT table_name FROM information_schema.tables "
+                "WHERE table_schema = 'public' AND table_name = 'alembic_version'"
+            ))
+            
+            if result.rowcount == 0:
+                print("No alembic_version table found. This is a fresh database.")
+                return None
+                
+            # Get current version
+            result = db.session.execute(text("SELECT version_num FROM alembic_version"))
+            row = result.fetchone()
+            
+            if row:
+                print(f"Current migration version in database: {row[0]}")
+                return row[0]
+            else:
+                print("alembic_version table exists but is empty")
+                return None
+                
+        except Exception as e:
+            print(f"Error checking migration state: {e}")
+            return None
+
+def clean_migration_state():
+    """Clean up the migration state"""
+    with app.app_context():
+        try:
+            print("\nCleaning migration state...")
+            # Drop the alembic_version table
+            db.session.execute(text("DROP TABLE IF EXISTS alembic_version"))
+            db.session.commit()
+            print("Migration state cleaned successfully!")
+            return True
+        except Exception as e:
+            print(f"Error cleaning migration state: {e}")
+            db.session.rollback()
+            return False
+
+if __name__ == '__main__':
+    print("Checking migration state...")
+    version = check_alembic_version()
+    
+    if version:
+        print(f"\nThe database references migration '{version}' which doesn't exist in files.")
+        response = input("Do you want to clean the migration state? (yes/no): ")
+        
+        if response.lower() == 'yes':
+            if clean_migration_state():
+                print("\nYou can now create a fresh initial migration.")
+            else:
+                print("\nFailed to clean migration state.")
+    else:
+        print("\nNo migration issues found. You can create a fresh initial migration.")