Question

我有一个函数来更新子文档中的某些值，但是我在更新数据时遇到了麻烦

  let query = InvoiceModel.find({
    is_draft:false
products.product: productid
  })

  query.exec(function (err, data) {
    if (data) {
      data.forEach(function(si) {
        let saleinvoice_id = si._id
        console.log(saleinvoice_id);
        InvoiceMovement(invoice_id, si)

      })
    }
  })

在InvoiceMovement函数中，我搜索集合PRODUCT中的记录进行更新，并尝试更新数组，如下所示：

       productModel.findOneAndUpdate({
          _id: product_id,
          'warehouses.warehouse': warehouse_id
        }, {
          $set: {
            "warehouses.$.stock": stock_data,
          }
        }, function (errwu, wupdated) {
          if (errwu) {
            console.log(errwu);

          }
          if (wupdated) {

            console.log(wupdated);
          }
        })

但并非所有数据都已处理完毕。

对于特定ID，我有4张发票记录，但只有两张或更少会影响产品集合中要更新的值

我尝试使用async.forEach，但我得到的结果相同。

更新

架构：

发票

const InvoiceSchema = Schema({
  invoice_number: {
    type: String,
  },
  products: [{
    product: {
      type: Schema.Types.ObjectId,
      ref: 'products',
      required: [true, 'Producto no puede estar vacio']
    },
    warehouse: {
      type: Schema.Types.ObjectId,
      ref: 'warehouses'
    },
    work_order: {
      type: Schema.Types.ObjectId,
      ref: 'work_orders'
    },
    quantity: {
      type: Number,
      required: [true, 'Cantidad no puede estar vacio']
    },
    base_price: {
      type: String,
      required: [true, 'Valor Unitario no puede estar vacio']
    },
    sale_price: {
      type: String,
      required: [true, 'Valor Unitario no puede estar vacio']
    },
    discount: {
      type: String,
      default: "0.00"
    },
    subtotal: {
      type: String,
      required: true
    },
    tax: {
      type: String,
      required: true
    },
    total: {
      type: String,
      required: true
    },
  }]
}, {
  timestamps: true
});

产品

const productSchema = Schema({
  code: {
    type: String,
    index: true
  },
  name: {
    type: String,
    index: true,
    required: [true, 'Nombre no puede estar vacio']
  },
  description: {
    type: String,
    required: [true, 'Descripcion no puede estar vacio']
  },
  unit: {
    type: String,
    index: true,
    required: [true, 'Unidad no puede estar vacio']
  },
  exempt: {
    type: Boolean,
    default: false
  },
  product_category: {
    type: Schema.Types.ObjectId,
    ref: 'product_categories',
    required: [true, 'Categoría de Producto es requerida']
  },
  base_price: {
    type: String,
    default: "0.00"
  },
  unit_cost: {
    type: String,
    default: "0.00"
  },

  warehouses: [
    {
      warehouse: {
        type: Schema.Types.ObjectId,
        ref: 'warehouses',
        required: [true, "Seleccione una caracteristica"]
      },
      stock: {
        type: Number,
      },
      unit:{
        type: String
      }
    }
  ],
  subproducts: [
    {
      subproduct: {
        type: Schema.Types.ObjectId,
        ref: 'characteristics',
        // required: [true, "Seleccione una caracteristica"]
      },
    }
  ],
  stock: {
    type: Number,
    default: 0
  }
}, {timestamps: true});

从发票架构中，我通过产品阵列获取产品ID和数量，并使用该数据更新PRODUCT架构内仓库阵列中的库存。我需要为每个发票执行此操作。一张发票可以注册许多产品

Answer 1

以下是您可以执行此操作的一种方法。但是，如果您使用mongoose.promise，这可能会更容易。

InvoiceModel.find({}, 'products', function(err, invoice) {
  if(err) throw err
  const products = invoice.products
  // Loop through all the objects in the array 
  products.forEach(function(productsObj) {
    // Get the product model for each product
    ProductModel.findById(productsObj.product, 'warehouses', function(err, product) {
      if(err) throw err
      // Get a new array of only ids
      const warehousesIds = product.warehouses.map(warehousesObj => {
        return warehousesObj.warehouse
       })
      // Get the index of the current warehouse in the warehouses array in your product model
      const warehouseIndex = warehousesIds.indexOf(productsObj.warehouse)
      // Check if warehouse exists and if so assign the new value
      if(warehouseIndex > -1) product.warehouses[warehouseIndex].stock = productsObj.quantity
      // Save your model
      product.save()
    })
  })
})

希望它有所帮助！

处理多个更新nodejs mongodb

1 个答案: