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const product = require('../../utils/product.js')
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Page({
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data: {
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toastAddProduct: true,
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title: '',
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id: 0,
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quantity: 1,
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product: {}
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},
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onLoad (params) {
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var id = params.id
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var product = wx.getStorageSync('products').find(function(i){
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return i.id === id
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})
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this.setData({
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id: id,
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product: product,
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title: product.name
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})
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},
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onReady() {
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wx.setNavigationBarTitle({ title: this.data.title })
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},
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bindAddToCart (e) {
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var that = this
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var cartItems = wx.getStorageSync('cartItems') || []
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var exist = cartItems.find(function(ele){
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return ele.id === that.data.id
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})
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if (exist) {
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exist.quantity = parseInt(exist.quantity) + 1
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} else {
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cartItems.push({
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id: this.data.id,
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quantity: this.data.quantity,
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product: this.data.product
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})
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}
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this.setData({ toastAddProduct:false });
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wx.setStorage({
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key: 'cartItems',
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data: cartItems
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})
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},
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bindQuantityInput (e) {
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this.setData({'quantity': e.detail.value})
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},
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toastChange: function(){
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this.setData({ toastAddProduct:true });
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}
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})
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