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pagesCreateOrder/index/util.js

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+import {
+	$productCategory,
+	$layoutpage
+} from '@/http/yskApi/pad.js'
+
+//根据布局返回商品列表
+export function returnSelCategotyGoods(arr, size) {
+	// 检查size是否为正整数
+	if (size <= 0) {
+		throw new Error('Size must be a positive integer.');
+	}
+
+	// 计算数组的长度，并确保size不会超过数组长度
+	const length = arr.length;
+	size = Math.min(size, length);
+
+	// 创建一个新数组来存储结果
+	const groups = [];
+
+	// 循环遍历原始数组，每size个元素分为一组
+	for (let i = 0; i < length; i += size) {
+		groups.push(arr.slice(i, i + size)); // 使用slice方法获取子数组
+	}
+
+	return groups; // 返回新的数组
+}
+//根据店铺信息返回是否是后付款
+export function $trturnPayAfter(shop) {
+	//munchies 先付  restaurant 后付
+	const payAfter = shop.registerType == "munchies" ? false : true;
+	return payAfter
+}
+//根据店铺信息返回就餐类型
+export function $returnUseType(shop, useType) {
+	//是否是后付款
+	const payAfter = $trturnPayAfter(shop)
+	let result = "takeout";
+	if (useType == "takeout") {
+		result = 'takeout'
+	} else {
+		//堂食
+		result = `dine-in-${payAfter ? "after" : "before"}`;
+	}
+	return result
+}
+//判断商品是否可以下单
+export function isCanBuy(goods, isStock) {
+	return goods.isGrounding && goods.isPauseSale == 0 && (isStock ? goods.stockNumber > 0 : true);
+}
+
+
+// 一个数组是否包含另外一个数组全部元素
+function arrayContainsAll(arr1, arr2) {
+	for (let i = 0; i < arr2.length; i++) {
+		if (!arr1.includes(arr2[i])) {
+			return false;
+		}
+	}
+	return true;
+}
+
+//n项 n-1项组合，生成全部结果
+function generateCombinations(arr, k) {
+	let result = [];
+
+	function helper(index, current) {
+		if (current.length === k) {
+			result.push(current.slice()); // 使用slice()来避免直接修改原始数组
+		} else {
+			for (let i = index; i < arr.length; i++) {
+				current.push(arr[i]); // 将当前元素添加到组合中
+				helper(i + 1, current); // 递归调用，索引增加以避免重复选择相同的元素
+				current.pop(); // 回溯，移除当前元素以便尝试其他组合
+			}
+		}
+	}
+
+	helper(0, []); // 从索引0开始，初始空数组作为起点
+	return result;
+}
+
+export function returnReverseVal(val, isReturnString = true) {
+	const isBol = typeof val === "boolean";
+	const isString = typeof val === "string";
+	let reverseNewval = "";
+	if (isBol) {
+		reverseNewval = !val;
+	}
+	if (isString) {
+		reverseNewval = val === "true" ? "false" : "true";
+	}
+	return reverseNewval;
+}
+
+export function returnPrveId(par) {
+	const obj = {
+		prveData: [],
+		nowData: [],
+		nextData: [],
+		page: 0
+	}
+	Object.assign(obj, par)
+	if (par.page == 0 || par.nowData.length <= 1) {
+		const prveIndex = obj.prveData.length - 1 <= 0 ? 0 : obj.prveData.length - 1
+		return obj.prveData[prveIndex] ? obj.prveData[prveIndex].id : undefined
+	}
+	return obj.nowData[par.page - 1] ? obj.nowData[par.page - 1].id : undefined
+
+}
+export function returnNowId(par) {
+	const obj = {
+		prveData: [],
+		nowData: [],
+		nextData: [],
+		page: 0
+	}
+	Object.assign(obj, par)
+	if (!par.nowData[par.page]) {
+		return undefined
+	}
+	return obj.nowData[par.page] ? obj.nowData[par.page].id : undefined
+}
+export function returnNextId(par) {
+	const obj = {
+		prveData: [],
+		nowData: [],
+		nextData: [],
+		page: 0
+	}
+	Object.assign(obj, par)
+	if (par.page >= par.nowData.length - 1 || par.nowData.length <= 1) {
+		const nextIndex = obj.nextData.length - 1 <= 0 ? 0 : obj.nextData.length - 1
+		return obj.nextData[nextIndex] ? obj.nextData[nextIndex].id : undefined
+	}
+	return obj.nextData[par.page + 1] ? obj.nextData[par.page + 1].id : undefined
+}
+
+
+export async function returnLayoutPage(id) {
+	if (!id) {
+		return {
+			content: [],
+			totalElements: 0
+		}
+	}
+	return $layoutpage({
+		page: 1,
+		size: 999,
+		productCategoryId: id,
+		padLayoutId: ''
+	})
+}
+export async function returnCategoryLayoutGoods(id,category) {
+	if (!id) {
+		return {
+			productList: [],
+			padLayoutCode: "single",
+			productCategoryId:category?category.id:''
+		}
+	}
+	return $productCategory(id)
+}
+
+export default {
+	isCanBuy,
+	returnNowId,
+	returnCategoryLayoutGoods,
+	returnLayoutPage,
+	returnPrveId,
+	returnNextId,
+	arrayContainsAll,
+	generateCombinations,
+	returnReverseVal,
+	$returnUseType
+}