Porque tengo estos errores:[{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Property assignment expected.", "source": "javascript", "startLineNumber": 157, "startColumn": 25, "endLineNumber": 157, "endColumn": 26, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 157, "startColumn": 31, "endLineNumber": 157, "endColumn": 32, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 157, "startColumn": 67, "endLineNumber": 157, "endColumn": 68, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Property assignment expected.", "source": "javascript", "startLineNumber": 157, "startColumn": 71, "endLineNumber": 157, "endColumn": 72, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 157, "startColumn": 77, "endLineNumber": 157, "endColumn": 78, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 157, "startColumn": 116, "endLineNumber": 157, "endColumn": 117, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 157, "startColumn": 117, "endLineNumber": 157, "endColumn": 118, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Variable declaration expected.", "source": "javascript", "startLineNumber": 157, "startColumn": 118, "endLineNumber": 157, "endColumn": 119, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Cannot redeclare block-scoped variable 'backgroundColor'.", "source": "javascript", "startLineNumber": 158, "startColumn": 17, "endLineNumber": 158, "endColumn": 32, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Type annotations can only be used in TypeScript files.", "source": "javascript", "startLineNumber": 158, "startColumn": 34, "endLineNumber": 158, "endColumn": 56, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Cannot redeclare block-scoped variable 'borderColor'.", "source": "javascript", "startLineNumber": 159, "startColumn": 17, "endLineNumber": 159, "endColumn": 28, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Type annotations can only be used in TypeScript files.", "source": "javascript", "startLineNumber": 159, "startColumn": 30, "endLineNumber": 159, "endColumn": 52, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Cannot redeclare block-scoped variable 'borderWidth'.", "source": "javascript", "startLineNumber": 160, "startColumn": 17, "endLineNumber": 160, "endColumn": 28, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Type annotations can only be used in TypeScript files.", "source": "javascript", "startLineNumber": 160, "startColumn": 30, "endLineNumber": 160, "endColumn": 31, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Declaration or statement expected.", "source": "javascript", "startLineNumber": 161, "startColumn": 13, "endLineNumber": 161, "endColumn": 14, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Declaration or statement expected.", "source": "javascript", "startLineNumber": 161, "startColumn": 14, "endLineNumber": 161, "endColumn": 15, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Declaration or statement expected.", "source": "javascript", "startLineNumber": 162, "startColumn": 9, "endLineNumber": 162, "endColumn": 10, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Property assignment expected.", "source": "javascript", "startLineNumber": 168, "startColumn": 25, "endLineNumber": 168, "endColumn": 26, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 168, "startColumn": 31, "endLineNumber": 168, "endColumn": 32, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 168, "startColumn": 55, "endLineNumber": 168, "endColumn": 56, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Property assignment expected.", "source": "javascript", "startLineNumber": 168, "startColumn": 59, "endLineNumber": 168, "endColumn": 60, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 168, "startColumn": 65, "endLineNumber": 168, "endColumn": 66, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 168, "startColumn": 91, "endLineNumber": 168, "endColumn": 92, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "',' expected.", "source": "javascript", "startLineNumber": 168, "startColumn": 92, "endLineNumber": 168, "endColumn": 93, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Variable declaration expected.", "source": "javascript", "startLineNumber": 168, "startColumn": 93, "endLineNumber": 168, "endColumn": 94, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Cannot redeclare block-scoped variable 'backgroundColor'.", "source": "javascript", "startLineNumber": 169, "startColumn": 17, "endLineNumber": 169, "endColumn": 32, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Type annotations can only be used in TypeScript files.", "source": "javascript", "startLineNumber": 169, "startColumn": 34, "endLineNumber": 169, "endColumn": 56, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Cannot redeclare block-scoped variable 'borderColor'.", "source": "javascript", "startLineNumber": 170, "startColumn": 17, "endLineNumber": 170, "endColumn": 28, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Type annotations can only be used in TypeScript files.", "source": "javascript", "startLineNumber": 170, "startColumn": 30, "endLineNumber": 170, "endColumn": 52, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Cannot redeclare block-scoped variable 'borderWidth'.", "source": "javascript", "startLineNumber": 171, "startColumn": 17, "endLineNumber": 171, "endColumn": 28, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Type annotations can only be used in TypeScript files.", "source": "javascript", "startLineNumber": 171, "startColumn": 30, "endLineNumber": 171, "endColumn": 31, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Declaration or statement expected.", "source": "javascript", "startLineNumber": 172, "startColumn": 13, "endLineNumber": 172, "endColumn": 14, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Declaration or statement expected.", "source": "javascript", "startLineNumber": 172, "startColumn": 14, "endLineNumber": 172, "endColumn": 15, "origin": "extHost1"},{ "resource": "/Users/jorgeemmanuelruizcastillaruizcastilla/Downloads/library-dashboard/templates/index.html", "owner": "_generated_diagnostic_collection_name_#4", "severity": 8, "message": "Declaration or statement expected.", "source": "javascript", "startLineNumber": 173, "startColumn": 9, "endLineNumber": 173, "endColumn": 10, "origin": "extHost1"}]
¡Entendido! Los errores que estás viendo en templates/index.html como "Property assignment expected.", "',' expected.", "Variable declaration expected." y "Cannot redeclare block-scoped variable" son muy comunes cuando se mezcla JavaScript con las variables de Jinja2, especialmente si el editor de código intenta analizarlo de forma estricta o si hay algún pequeño problema en cómo Jinja2 renderiza los valores.
Aunque el código que te pasé debería ser sintácticamente correcto una vez que Jinja2 lo procesa, a veces los editores se confunden con la sintaxis {{ ... }} dentro de JavaScript. El error de "Cannot redeclare block-scoped variable" también podría indicar que, por alguna razón, el bloque <script> se está cargando o interpretando más de una vez, o que hay declaraciones const o let duplicadas en el mismo ámbito.
La forma más robusta y recomendada de pasar datos complejos de Python (Flask) a JavaScript (en el HTML) es convertir el objeto Python a una cadena JSON en el backend y luego parsearla en JavaScript. Esto asegura que la sintaxis JavaScript siempre sea válida.
He actualizado el archivo templates/index.html para usar este método.
1. templates/index.html (Dashboard) - Archivo Actualizado
En este archivo, he cambiado cómo se inyectan los datos de Flask en JavaScript. Ahora, el objeto data completo se convierte a JSON usando |tojson|safe y se parsea una sola vez en JavaScript como appData. Luego, accedes a las propiedades de appData (ej. appData.summary.clients_with_active_loans).
Pasos para aplicar los cambios:
templates/index.html con el código proporcionado arriba.Detén tu aplicación Flask (si está corriendo) y vuelve a ejecutarla:
python app.pyhttp://127.0.0.1:5000/).Con este cambio, los datos se pasarán de forma más robusta a JavaScript, lo que debería resolver los errores de sintaxis que tu editor estaba reportando.
se puede crear nuevo perfiles desde la zona de consulta?
Sí, absolutamente. Dado que la zona de consulta (/query) permite ejecutar cualquier sentencia SQL, puedes usar una sentencia INSERT para crear nuevos perfiles (nuevos usuarios) directamente desde allí.
Aquí te muestro un ejemplo de cómo podrías hacerlo:
Ejemplo de Consulta SQL para crear un nuevo usuario:
INSERT INTO Usuario (nombre, email, telefono, direccion) VALUES
('Nuevo Usuario', 'nuevo.usuario@example.com', '555-123-4567', 'Calle Ficticia 789');Pasos para crear un nuevo perfil desde la zona de consulta:
/query).INSERT en el área de texto "Consulta SQL".('Nuevo Usuario', 'nuevo.usuario@example.com', '555-123-4567', 'Calle Ficticia 789') con los datos del nuevo usuario que deseas crear.Si la consulta se ejecuta correctamente, verás un mensaje como "Comando ejecutado exitosamente. Filas afectadas: 1". Luego, puedes volver al dashboard o ejecutar una consulta SELECT * FROM Usuario; para verificar que el nuevo usuario ha sido añadido.
¡Advertencia de Seguridad Importante! Como se menciona en la página de consultas, esta funcionalidad es extremadamente potente y peligrosa si se expone en un entorno de producción. Permite a cualquier persona con acceso ejecutar comandos SQL arbitrarios, lo que podría llevar a la pérdida de datos, corrupción o acceso no autorizado. Esta característica es solo para desarrollo y depuración.
Tambien se agrega los libros que se presto?