refactor: Remove create_transportation_tables function and related logic

backend/main.py

@@ -150,146 +150,13 @@ async def validation_exception_handler(request: Request, exc: RequestValidationE
 def run_migrations():
     subprocess.run(["alembic", "upgrade", "head"], check=True)
 
-
-def create_transportation_tables():
-    """Crea las tablas de transporte directamente si no existen.
-    Se usa en lugar de una migración Alembic para evitar gestionar versiones.
-    """
-    from sqlalchemy import text
-    from core.database import core_engine
-
-    ddl_statements = [
-        """
-        CREATE TABLE IF NOT EXISTS a76.transporter (
-            transporter_key VARCHAR(23) PRIMARY KEY,
-            name VARCHAR(256),
-            short_name VARCHAR(10),
-            responsible VARCHAR(100),
-            rfc VARCHAR(30),
-            streets VARCHAR(100),
-            postal_code VARCHAR(15),
-            city VARCHAR(30),
-            state VARCHAR(30),
-            country VARCHAR(3),
-            loader_code VARCHAR(9),
-            caat_code VARCHAR(49),
-            transport_code VARCHAR(8),
-            transport_interface_type VARCHAR(20),
-            ftp_server VARCHAR(200),
-            ftp_user VARCHAR(200),
-            ftp_password VARCHAR(100),
-            ftp_directory VARCHAR(1000),
-            filler_code VARCHAR(20),
-            tenant_id INTEGER NOT NULL REFERENCES core.tenants(id),
-            company_id INTEGER NOT NULL REFERENCES a76.company(id),
-            created_at TIMESTAMP NOT NULL DEFAULT now(),
-            updated_at TIMESTAMP NOT NULL DEFAULT now(),
-            deleted_at TIMESTAMP
-        );
-        """,
-        """
-        CREATE TABLE IF NOT EXISTS a76.trailer (
-            trailer_number VARCHAR(20) PRIMARY KEY,
-            ace_trailer_number VARCHAR(10),
-            trailer_type_key VARCHAR(2),
-            seal VARCHAR(15),
-            entity_code VARCHAR(1),
-            plate_number VARCHAR(17),
-            state VARCHAR(30),
-            country VARCHAR(3),
-            container_key VARCHAR(3),
-            tenant_id INTEGER NOT NULL REFERENCES core.tenants(id),
-            company_id INTEGER NOT NULL REFERENCES a76.company(id),
-            created_at TIMESTAMP NOT NULL DEFAULT now(),
-            updated_at TIMESTAMP NOT NULL DEFAULT now(),
-            deleted_at TIMESTAMP
-        );
-        """,
-        """
-        CREATE TABLE IF NOT EXISTS a76.vehicle (
-            vehicle_key VARCHAR(14) PRIMARY KEY,
-            ace_vehicle_key VARCHAR(10),
-            transporter_key VARCHAR(23),
-            transport_identifier VARCHAR(30),
-            transport_type VARCHAR(2),
-            entity_code VARCHAR(1),
-            transponder_number VARCHAR(16),
-            dot_number VARCHAR(8),
-            plate_number VARCHAR(17),
-            city VARCHAR(30),
-            state VARCHAR(30),
-            country VARCHAR(3),
-            seal VARCHAR(49),
-            insurance_company_name VARCHAR(30),
-            insurance_number VARCHAR(20),
-            insurance_amount NUMERIC(13, 2),
-            insurance_date INTEGER,
-            box_number VARCHAR(300),
-            brand VARCHAR(20),
-            year VARCHAR(4),
-            series VARCHAR(30),
-            description VARCHAR(100),
-            engine_number VARCHAR(50),
-            sct_permission VARCHAR(40),
-            color VARCHAR(20),
-            container_key VARCHAR(3),
-            tenant_id INTEGER NOT NULL REFERENCES core.tenants(id),
-            company_id INTEGER NOT NULL REFERENCES a76.company(id),
-            created_at TIMESTAMP NOT NULL DEFAULT now(),
-            updated_at TIMESTAMP NOT NULL DEFAULT now(),
-            deleted_at TIMESTAMP
-        );
-        """,
-    ]
-
-    with core_engine.connect() as conn:
-        for stmt in ddl_statements:
-            conn.execute(text(stmt))
-        # Ampliar columnas que pudieron haberse creado con tamaño incorrecto
-        conn.execute(text("""
-            DO $$
-            BEGIN
-                -- Fix transporter_key si fue creada como VARCHAR(5)
-                IF EXISTS (
-                    SELECT 1 FROM information_schema.columns
-                    WHERE table_schema='a76' AND table_name='transporter'
-                    AND column_name='transporter_key'
-                    AND character_maximum_length < 23
-                ) THEN
-                    ALTER TABLE a76.transporter ALTER COLUMN transporter_key TYPE VARCHAR(23);
-                END IF;
-                -- Fix filler_code si fue creada como VARCHAR(4)
-                IF EXISTS (
-                    SELECT 1 FROM information_schema.columns
-                    WHERE table_schema='a76' AND table_name='transporter'
-                    AND column_name='filler_code'
-                    AND character_maximum_length < 20
-                ) THEN
-                    ALTER TABLE a76.transporter ALTER COLUMN filler_code TYPE VARCHAR(20);
-                END IF;
-
-                -- Eliminar constraint de trailer_type_key en trailer si existe
-                IF EXISTS (
-                    SELECT 1 FROM information_schema.table_constraints 
-                    WHERE constraint_name='trailer_trailer_type_key_fkey' 
-                    AND table_schema='a76' AND table_name='trailer'
-                ) THEN
-                    ALTER TABLE a76.trailer DROP CONSTRAINT trailer_trailer_type_key_fkey;
-                END IF;
-            END$$;
-        """))
-        conn.commit()
-    logger.info("Tablas de transporte verificadas/creadas correctamente.")
-
-
 # Inicializar la base de datos
 @app.on_event("startup")
 async def on_startup():
     """Evento de inicio de la aplicación"""
     logger.info("Iniciando la aplicación Anexo76...")
     init_db()
-    run_migrations()
-    create_transportation_tables()
+    run_migrations()    
     logger.info("Base de datos inicializada correctamente.")