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El objeto Mongo DB $ push lo envuelve primero en una matriz

Cuando uso $push en mongodb, el resultado esperado es diferente. En realidad, envuelve el objeto que quiero insertar en una matriz. Esto es problemático porque tendría que mapear el resultado solo para extraerlo. Cualquier ayuda sería muy apreciada.

Mi consulta Mongo

 const pushAction = { $push: { cart: { id: itemId, quantity: quantity } } } // Add item to user's cart User.update({_id: userId}, pushAction, (err, success) => { if (err) { res.status(422).json({'error': 'There was a problem adding the item to your cart.'}); } if (success) { // Find user and return the cart User.findOne({_id: userId}, {cart: 1}, (err, user) => { res.status(200).json({'message': 'The item was successfully added to your cart.', cart: user.cart}); }) } });

Esquema de usuario

 // Define User Model const userSchema = new Schema({ firstName: { type: Schema.Types.String, required: true }, lastName: { type: Schema.Types.String, required: true }, password: { type: Schema.Types.String, required: true }, email: { type: Schema.Types.String, required: true }, cart: { type: Schema.Types.Array }, dateCreated: { type: Schema.Types.Date, default: Date.now, required: true }, dateUpdated: [ { date: { type: Schema.Types.Date }, details: { type: Schema.Types.ObjectId } } ], verified: { type: Schema.Types.Boolean, required: true }, role: { type: Schema.Types.String, default: ROLES_BASIC_USER } });

Gastos esperados

 "cart" : [ { "id" : "587b6b69799ad7ff650edbb5", "quantity" : 1 }, { "id" : "587b6b69799ad7ff650edbb5", "quantity" : 1 }, { "id" : "587b6b69799ad7ff650edbb5", "quantity" : 1 } ],

Resultado actual

 "cart" : [ [ { "id" : "587b6b69799ad7ff650edbb5", "quantity" : 1 } ], [ { "id" : "587b6b69799ad7ff650edbb5", "quantity" : 1 } ], [ { "id" : "587b6b69799ad7ff650edbb5", "quantity" : 1 } ] ]
over 4 years ago · Santiago Trujillo
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// Define User Model const userSchema = new Schema({ firstName: { type: Schema.Types.String, required: true }, lastName: { type: Schema.Types.String, required: true }, password: { type: Schema.Types.String, required: true }, email: { type: Schema.Types.String, required: true }, cart:[ { id: Schema.Types.ObjectId, quantity: Number }], dateCreated: { type: Schema.Types.Date, default: Date.now, required: true }, dateUpdated: [ { date: { type: Schema.Types.Date }, details: { type: Schema.Types.ObjectId } } ], verified: { type: Schema.Types.Boolean, required: true }, role: { type: Schema.Types.String, default: ROLES_BASIC_USER } });
over 4 years ago · Santiago Trujillo Report

0

Intente cambiar pushAction de la siguiente manera:

 const pushAction = { $push: { cart: { $each: [ {id: itemId, quantity: quantity } ] } } }

Limpie los artículos existentes en el campo del cart antes de intentar esto. Si sigue fallando, es posible que el problema esté relacionado con el esquema.

over 4 years ago · Santiago Trujillo Report
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