/***********************************************************************
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* Project: baifenBinfa.Net *
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* Web: https://baifenBinfa.com *
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* ProjectName: 百分兵法管理系统 *
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* Author: *
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* Email: *
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* CreateTime: 2020-03-03 5:04:42
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* Description: 暂无
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***********************************************************************/
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text.RegularExpressions;
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using CoreCms.Net.Model.Entities;
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using CoreCms.Net.Model.ViewModels.UI;
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namespace CoreCms.Net.Utility.Helper
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{
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/// <summary>
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/// 商品分类帮助
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/// </summary>
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public static class GoodsHelper
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{
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#region 获取商品分类下来Dtree============================================================
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/// <summary>
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/// 获取导航下拉上级树
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/// </summary>
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/// <returns></returns>
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[Description("获取导航下拉上级树")]
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public static DTree GetTree(List<CoreCmsGoodsCategory> categories, bool isHaveTop = true)
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{
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var model = new DTree();
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model.status = new dtreeStatus() { code = 200, message = "操作成功" };
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var list = GetMenus(categories, 0);
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if (isHaveTop)
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{
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list.Insert(0, new dtreeChild()
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{
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id = "0",
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last = true,
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parentId = "0",
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title = "无父级",
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children = new List<dtreeChild>()
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});
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}
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model.data = list;
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return model;
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}
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/// <summary>
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/// 迭代方法
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/// </summary>
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/// <param name="oldNavs"></param>
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/// <param name="parentId"></param>
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/// <returns></returns>
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private static List<dtreeChild> GetMenus(List<CoreCmsGoodsCategory> oldNavs, int parentId)
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{
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List<dtreeChild> childTree = new List<dtreeChild>();
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var model = oldNavs.Where(p => p.parentId == parentId).ToList();
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foreach (var item in model)
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{
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var parentTree = new dtreeChild();
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parentTree.id = item.id.ToString();
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parentTree.title = item.name;
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parentTree.parentId = item.parentId.ToString();
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parentTree.last = !oldNavs.Exists(p => p.parentId == item.id);
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parentTree.isParent = !parentTree.last;
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parentTree.otherData = item;
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parentTree.key=item.key;
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childTree.Add(parentTree);
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parentTree.children = GetMenus(oldNavs, item.id);
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}
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return childTree;
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}
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#endregion
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#region 递归获取下级所有序列
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/// <summary>
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/// 递归获取下级所有序列
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/// </summary>
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/// <returns></returns>
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[Description("递归获取下级所有序列")]
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public static List<int> GetChildIds(List<CoreCmsGoodsCategory> categories, int parentId)
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{
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var ids = new List<int> { parentId };
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ids = GetChildrenIds(categories, parentId, ids);
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return ids;
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}
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/// <summary>
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/// 迭代方法
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/// </summary>
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/// <param name="oldNavs"></param>
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/// <param name="parentId"></param>
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/// <param name="ids"></param>
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/// <returns></returns>
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private static List<int> GetChildrenIds(List<CoreCmsGoodsCategory> oldNavs, int parentId, List<int> ids)
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{
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var model = oldNavs.Where(p => p.parentId == parentId).ToList();
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foreach (var item in model)
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{
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ids.Add(item.id);
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GetChildrenIds(oldNavs, item.id, ids);
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}
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return ids;
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}
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#endregion
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#region 获取可用库存
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/// <summary>
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/// 获取可用库存。
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/// 库存机制：商品下单 总库存不变，冻结库存加1，
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/// 商品发货：冻结库存减1，总库存减1，
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/// 商品退款&取消订单：总库存不变，冻结库存减1,
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/// 商品退货：总库存加1，冻结库存不变,
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/// 可销售库存：总库存-冻结库存
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/// </summary>
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/// <param name="stock">库存</param>
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/// <param name="freezeStock">静态库存</param>
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/// <returns></returns>
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public static int GetStock(int stock, int freezeStock)
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{
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return stock - freezeStock;
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}
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#endregion
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#region arr图片提取单张,或设置一张默认
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/// <summary>
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/// arr图片提取单张,或设置一张默认
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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public static string GetOneImage(string url)
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{
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if (string.IsNullOrEmpty(url))
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{
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return "/static/images/common/empty.png";
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}
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else if (url.Contains(","))
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{
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return url.Split(",")[0];
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}
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else
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{
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return url;
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}
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}
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#endregion
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#region 后端判断提交的商品属性值是否符合规则（判断内容，只允许中文，字母，数字，和-，/）
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/// <summary>
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/// 判断内容，只允许中文，字母，数字，和-，/
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/// </summary>
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/// <param name="inputValue">输入字符串</param>
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/// <remarks>判断内容，只允许中文，字母，数字，和-，/</remarks>
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/// <returns></returns>
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public static bool FilterChar(string inputValue)
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{
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return Regex.IsMatch(inputValue, "[`~!@#$^&*()=|\"{}':;',\\[\\]<>?~！@#￥……&*&;|{}。*-+]+");
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}
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#endregion
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}
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}
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