E_lsa/packageA/activity/selectProduct/cart/index.js

const _Http = getApp().globalData.http,
	currency = require("../../../../utils/currency"),
	CNY = sum => currency(sum, {
		symbol: "￥",
		precision: 2
	}).format();
let downCount = {};
let ids = {};
Page({
	data: {
		list: [],
		results: [], //选中结果
		sa_brandid: null, //当前选中品牌id
		classList: [], //生成订单时所选
		sum: 0, //价格合
		allBrandList: [],
		loading: false
	},
	onLoad(options) {
		ids = JSON.parse(options.data);
		this.getList()
		this.setData({
			hidePrice: wx.getStorageSync('hidePrice'),
		})
		getApp().globalData.customizedProduct = this.customizedProduct.bind(this);
	},
	//修改定制
	customizedProduct(item) {
		return new Promise((resolve) => {
			_Http.basic({
				"id": 20220924104302,
				"content": {
					"sa_shoppingcartid": item.sa_shoppingcartid,
					"qty": item.qty,
					"width": item.width || 0,
					"length": item.length || 0
				},
			}).then(res => {
				console.log("修改定制", res)
				wx.showToast({
					title: res.msg != '成功' ? res.msg : '修改成功',
					icon: "none"
				});
				this.getList()
				resolve(true)
			})
		})
	},
	/* 获取列表 */
	getList() {
		_Http.basic({
			"id": 20220924095302,
			"content": {
				nocache: true,
				istool: 0,
				...ids,
				"pageNumber": 1,
				"pageSize": 9999,
				"where": {
					"condition": ""
				}
			}
		}).then(res => {
			console.log('购物车列表', res)
			this.selectComponent('#ListBox').RefreshToComplete();
			this.selectComponent("#ListBox").setHeight(".head", this);
			if (res.msg != '成功') return wx.showToast({
				title: res.msg,
				icon: "none"
			})
			let list = [],
				allBrandList = [];
			list = res.data.map(v => {
				v.showPrice = CNY(v.gradeprice)
				let obj = allBrandList.find(s => s.sa_brandid == v.sa_brandid);
				if (obj) {
					obj.results.push(v.sa_shoppingcartid)
				} else {
					allBrandList.push({
						brandname: v.brandname,
						sa_brandid: v.sa_brandid,
						results: [v.sa_shoppingcartid],
					})
				}
				return v
			});
			this.setData({
				list,
				allBrandList,
				isGet: true
			});
			if (wx.getStorageSync('shopping1')) {
				this.setData({
					...wx.getStorageSync('shopping1')
				});
				this.computeSum();
			}
		})
	},
	clickBut(e) {
		this.data.classList.length >= 2 ? wx.showToast({
			title: '请选择订单领域(订单只允许同品牌/同领域的商品)',
			icon: "none",
			duration: 3000
		}) : this.handleSubmit(0);
	},
	/* 提交 */
	submit(e) {
		this.handleSubmit(e.detail.value)
	},
	handleSubmit(index) {
		let data = this.data.classList[index],
			that = this;
		wx.showModal({
			title: '提示',
			content: '是否确定生成促销订单',
			complete: ({
				confirm
			}) => {
				if (confirm) {
					that.setData({
						loading: true
					})
					_Http.basic({
						"id": 20221128183202,
						"content": {
							istool: 0,
							type: "促销订单",
							"tradefield": data.type, //必选
							...ids,
							"items": data.list.map(v => {
								return {
									"sa_orderitemsid": 0,
									"itemid": v.itemid,
									"sa_brandid": v.sa_brandid,
									"qty": v.qty,
									width: v.width || 0,
									length: v.length || 0,
									sa_shoppingcartid: v.sa_shoppingcartid || 0,
									sa_promotion_itemsid: v.sa_promotion_itemsid
								}
							})
						}
					}).then(res => {
						console.log("转化订单", res)
						that.setData({
							loading: false
						})
						if (res.msg != '成功') return wx.showToast({
							title: res.msg,
							icon: "none"
						});
						getApp().globalData.getCollectCount()
						wx.showModal({
							title: '提示',
							content: '生成成功!是否立即前往',
							complete: (s) => {
								if (s.confirm) {
									wx.navigateTo({
										url: '/packageA/orderForm/detail?id=' + res.data.sa_orderid,
									})
								}
							}
						});
						that.getList();
					})


				}
			}
		})

	},
	/* 是否选择全部 */
	setIsAll() {
		let isAll = this.data.isAll;
		//取消全选
		if (isAll) {
			this.setData({
				sa_brandid: null,
				results: []
			})
		} else {
			//已选品牌产品情况下
			if (this.data.sa_brandid) {
				let obj = this.data.allBrandList.find(v => v.sa_brandid == this.data.sa_brandid)
				this.setData({
					results: obj.results
				})
			} else {
				if (this.data.allBrandList.length == 0) return;
				this.setData({
					sa_brandid: this.data.allBrandList[0].sa_brandid,
					results: this.data.allBrandList[0].results
				})
			}
		};
		this.computeSum();
	},
	/* 切换选中项 */
	changeResults(e, my = false) {
		const {
			item
		} = my ? e : e.currentTarget.dataset;
		let results = this.data.results,
			sa_brandid = this.data.sa_brandid;
		if (sa_brandid && sa_brandid != item.sa_brandid) return;
		if (results.length == 0) {
			results.push(item.sa_shoppingcartid);
			sa_brandid = item.sa_brandid;
		} else {
			let index = results.findIndex(v => v == item.sa_shoppingcartid)
			if (index == -1) {
				results.push(item.sa_shoppingcartid);
			} else {
				results.splice(index, 1);
				if (results.length == 0) sa_brandid = null;
			}
		};
		this.setData({
			results,
			sa_brandid
		})
		this.computeSum();
	},
	customization(e) {
		const {
			item
		} = e.target.dataset;
		if (item) this.selectComponent("#Custom").onClick(item)
	},
	/* 计算总价/产品领域分类 */
	computeSum() {
		let results = this.data.results,
			sum = 0,
			classList = [];
		if (results.length) results = results.filter(v => {
			let item = this.data.list.find(va => va.sa_shoppingcartid == v);
			if (item) {
				console.log(item.gradeprice)
				sum = currency(sum).add(currency(item.qty).multiply(item.gradeprice)).value;
				/* 领域分类 */
				let index = classList.findIndex(value => value.type == item.tradefield_shoppingcart);
				if (index == -1) {
					classList.push({
						type: item.tradefield_shoppingcart,
						list: [item],
						name: item.tradefield_shoppingcart + "(1件商品)"
					})
				} else {
					classList[index].list.push(item)
					classList[index].name = classList[index].type + `(${classList[index].list.length}件商品)`
				}
			};
			return item
		});
		let sa_brandid = results.length ? this.data.sa_brandid : null;
		wx.setStorageSync('shopping1', {
			results,
			sa_brandid
		})
		let isAll = false;
		if (sa_brandid) {
			let brand = this.data.allBrandList.find(v => v.sa_brandid == sa_brandid)
			isAll = brand.results.length == results.length
		}
		console.log(sum)
		this.setData({
			sum: CNY(sum),
			isAll,
			results,
			sa_brandid,
			classList
		});
	},
	/* 删除产品 */
	deteleItem(e) {
		const {
			item
		} = e.currentTarget.dataset;
		wx.showModal({
			title: '提示',
			content: `是否确认删除${item.itemname}?`,
			complete: ({
				confirm
			}) => {
				e.detail.instance.close();
				if (confirm) _Http.basic({
					"id": 20220924095202,
					"content": {
						...ids,
						"sa_shoppingcartids": [item.sa_shoppingcartid],

					}
				}).then(res => {
					wx.showToast({
						title: res.msg != '成功' ? res.msg : "删除成功",
						icon: "none"
					});
					if (res.msg != '成功') return;
					this.getList(true)
					getApp().globalData.getCollectCount()
				})
			}
		})
	},
	/* 输入框失去焦点调整数量 */
	inputBlur(e) {
		const {
			index
		} = e.currentTarget.dataset;
		let item = this.data.list[index];
		let qty = 0;
		if (item.orderminqty > e.detail.value) {
			wx.showToast({
				title: '输入数量低于最低起订量！',
				icon: "none"
			})
			qty = item.orderminqty;
		} else if (item.orderminqty < e.detail.value) {
			var currencyRounding = value => currency(value, {
				increment: item.orderaddqty
			});
			qty = currency(currencyRounding(currency(e.detail.value).subtract(item.orderminqty)).format()).add(item.orderminqty).value;

		} else {
			qty = e.detail.value;
		}
		this.setData({
			[`list[${index}].qty`]: 0
		});
		this.setData({
			[`list[${index}].qty`]: qty
		});
		this.computeSum();
		clearTimeout(downCount['count' + index])
		downCount['count' + index] = setTimeout(() => {
			_Http.basic({
				"id": 20220924104302,
				"content": {
					"sa_shoppingcartid": item.sa_shoppingcartid,
					"qty": item.qty,
					"width": item.width || 0,
					"length": item.length || 0
				},
			}, false).then(res => {
				console.log("修改数量", res)
			})
		}, 2000)
	},
	/* 步进器调整数量 */
	stepperChange(e) {
		const {
			index
		} = e.currentTarget.dataset;
		let item = this.data.list[index];
		if (e.type == 'plus') {
			item.qty += item.orderaddqty
		} else {
			item.qty -= item.orderaddqty
		}
		this.setData({
			[`list[${index}]`]: item
		})
		this.computeSum();
		clearTimeout(downCount['count' + index])
		downCount['count' + index] = setTimeout(() => {
			_Http.basic({
				"id": 20220924104302,
				"content": {
					"sa_shoppingcartid": item.sa_shoppingcartid,
					"qty": item.qty,
					"width": item.width || 0,
					"length": item.length || 0
				},
			}, false).then(res => {
				console.log("修改数量", res)
			})
		}, 2000)
	}
})