src/mvc/admin/Bootstrap.Admin/Pages/Views/Admin/RolesBase.cs

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// Copyright (c) Argo Zhang (argo@163.com). All rights reserved.
// Licensed under the LGPL License, Version 3.0. See License.txt in the project root for license information.
// Website: https://admin.blazor.zone

using Bootstrap.Admin.Pages.Components;
using Bootstrap.DataAccess;
using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using System;
using System.Collections.Generic;
using System.Linq;

namespace Bootstrap.Admin.Pages.Views.Admin.Components
{
    /// <summary>
    /// 部门维护组件
    /// </summary>
    public class RolesBase : QueryPageBase<Role>
    {
        /// <summary>
        /// 查询方法
        /// </summary>
        /// <param name="options"></param>
        protected override QueryData<Role> Query(QueryPageOptions options)
        {
            var data = RoleHelper.Retrieves();
            if (!string.IsNullOrEmpty(QueryModel.RoleName)) data = data.Where(d => d.RoleName.Contains(QueryModel.RoleName, StringComparison.OrdinalIgnoreCase));
            if (!string.IsNullOrEmpty(QueryModel.Description)) data = data.Where(d => d.Description != null && d.Description.Contains(QueryModel.Description, StringComparison.OrdinalIgnoreCase));
            if (!string.IsNullOrEmpty(options.SearchText)) data = data.Where(d => d.RoleName.Contains(options.SearchText, StringComparison.OrdinalIgnoreCase) || d.Description.Contains(options.SearchText, StringComparison.OrdinalIgnoreCase));

            // sort
            data = options.SortName switch
            {
                nameof(Role.RoleName) => options.SortOrder == SortOrder.Asc ? data.OrderBy(d => d.RoleName) : data.OrderByDescending(d => d.RoleName),
                nameof(Role.Description) => options.SortOrder == SortOrder.Asc ? data.OrderBy(d => d.Description) : data.OrderByDescending(d => d.Description),
                _ => data
            };

            var totalCount = data.Count();
            var items = data.Skip((options.PageIndex - 1) * options.PageItems).Take(options.PageItems);
            return new QueryData<Role>() { Items = items, TotalCount = totalCount, PageIndex = options.PageIndex, PageItems = options.PageItems };
        }

        /// <summary>
        /// 保存方法
        /// </summary>
        protected override bool Save(Role item) => RoleHelper.Save(item);

        /// <summary>
        /// 删除方法
        /// </summary>
        protected override bool Delete(IEnumerable<Role> items) => RoleHelper.Delete(items.Select(item => item.Id ?? ""));

        /// <summary>
        /// 重置搜索方法
        /// </summary>
        protected void ResetSearch()
        {
            QueryModel.RoleName = "";
            QueryModel.Description = "";