343 lines
12 KiB
C#
343 lines
12 KiB
C#
using MiAssessment.Admin.Business.Data;
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using MiAssessment.Admin.Business.Entities;
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using MiAssessment.Admin.Business.Models;
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using MiAssessment.Admin.Business.Models.BusinessPage;
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using MiAssessment.Admin.Business.Models.Common;
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using MiAssessment.Admin.Business.Services.Interfaces;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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namespace MiAssessment.Admin.Business.Services;
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/// <summary>
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/// 业务介绍页服务实现
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/// </summary>
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public class BusinessPageService : IBusinessPageService
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{
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private readonly AdminBusinessDbContext _dbContext;
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private readonly ILogger<BusinessPageService> _logger;
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/// <summary>
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/// 状态名称映射
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/// </summary>
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private static readonly Dictionary<int, string> StatusNames = new()
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{
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{ 0, "禁用" },
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{ 1, "启用" }
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};
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="dbContext">数据库上下文</param>
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/// <param name="logger">日志记录器</param>
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public BusinessPageService(
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AdminBusinessDbContext dbContext,
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ILogger<BusinessPageService> logger)
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{
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_dbContext = dbContext;
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_logger = logger;
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}
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/// <inheritdoc />
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public async Task<PagedResult<BusinessPageDto>> GetPageListAsync(BusinessPageQueryRequest request)
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{
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// 构建查询，过滤软删除记录，使用 AsNoTracking 提高只读查询性能
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var query = _dbContext.BusinessPages
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.AsNoTracking()
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.Where(p => !p.IsDeleted);
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// 应用过滤条件
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query = ApplyPageQueryFilters(query, request);
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// 获取总数
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var total = await query.CountAsync();
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// 分页查询，按 Sort 降序，然后按 CreateTime 降序排列 (Requirements 6.1)
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var items = await query
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.OrderByDescending(p => p.Sort)
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.ThenByDescending(p => p.CreateTime)
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.Skip(request.Skip)
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.Take(request.PageSize)
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.Select(p => new BusinessPageDto
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{
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Id = p.Id,
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Title = p.Title,
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ImageUrl = p.ImageUrl,
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HasActionButton = p.HasActionButton,
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ActionButtonText = p.ActionButtonText,
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ActionButtonLink = p.ActionButtonLink,
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Sort = p.Sort,
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Status = p.Status,
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StatusName = GetStatusName(p.Status),
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CreateTime = p.CreateTime
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})
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.ToListAsync();
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_logger.LogInformation("查询业务介绍页列表成功，总数: {Total}, 当前页数量: {Count}", total, items.Count);
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return PagedResult<BusinessPageDto>.Create(items, total, request.Page, request.PageSize);
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}
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/// <inheritdoc />
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public async Task<BusinessPageDto?> GetPageByIdAsync(long id)
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{
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// 查询业务介绍页，过滤软删除记录
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var page = await _dbContext.BusinessPages
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.AsNoTracking()
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.Where(p => p.Id == id && !p.IsDeleted)
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.Select(p => new BusinessPageDto
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{
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Id = p.Id,
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Title = p.Title,
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ImageUrl = p.ImageUrl,
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HasActionButton = p.HasActionButton,
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ActionButtonText = p.ActionButtonText,
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ActionButtonLink = p.ActionButtonLink,
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Sort = p.Sort,
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Status = p.Status,
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StatusName = GetStatusName(p.Status),
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CreateTime = p.CreateTime
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})
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.FirstOrDefaultAsync();
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if (page == null)
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{
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_logger.LogWarning("业务介绍页不存在，ID: {PageId}", id);
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}
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else
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{
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_logger.LogInformation("查询业务介绍页详情成功，ID: {PageId}", id);
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}
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return page;
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}
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/// <inheritdoc />
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public async Task<long> CreatePageAsync(CreateBusinessPageRequest request)
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{
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// 验证 Title 和 ImageUrl 必填 (Requirements 5.1)
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ValidatePageRequest(request.Title, request.ImageUrl, request.HasActionButton,
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request.ActionButtonText, request.ActionButtonLink);
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var now = DateTime.Now;
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// 创建实体
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var entity = new BusinessPage
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{
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Title = request.Title,
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ImageUrl = request.ImageUrl,
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HasActionButton = request.HasActionButton,
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ActionButtonText = request.ActionButtonText,
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ActionButtonLink = request.ActionButtonLink,
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Sort = request.Sort,
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Status = request.Status, // 默认值为 1（启用）(Requirements 5.4)
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CreateTime = now, // 自动设置创建时间 (Requirements 5.3)
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UpdateTime = now, // 自动设置更新时间 (Requirements 5.3)
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IsDeleted = false // 默认未删除 (Requirements 5.4)
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};
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_dbContext.BusinessPages.Add(entity);
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await _dbContext.SaveChangesAsync();
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_logger.LogInformation("创建业务介绍页成功，ID: {PageId}, Title: {Title}", entity.Id, entity.Title);
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return entity.Id; // 返回自动生成的唯一 Id (Requirements 5.5)
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}
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/// <inheritdoc />
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public async Task<bool> UpdatePageAsync(UpdateBusinessPageRequest request)
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{
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// 验证 Title 和 ImageUrl 必填 (Requirements 7.1)
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ValidatePageRequest(request.Title, request.ImageUrl, request.HasActionButton,
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request.ActionButtonText, request.ActionButtonLink);
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// 查询业务介绍页
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var entity = await _dbContext.BusinessPages
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.Where(p => p.Id == request.Id && !p.IsDeleted)
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.FirstOrDefaultAsync();
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// 如果不存在或已软删除，抛出业务异常 (Requirements 7.4)
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if (entity == null)
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{
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_logger.LogWarning("业务介绍页不存在，ID: {PageId}", request.Id);
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throw new BusinessException(ErrorCodes.BusinessPageNotFound, "业务介绍页不存在");
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}
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// 更新字段
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entity.Title = request.Title;
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entity.ImageUrl = request.ImageUrl;
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entity.HasActionButton = request.HasActionButton;
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entity.ActionButtonText = request.ActionButtonText;
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entity.ActionButtonLink = request.ActionButtonLink;
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entity.Sort = request.Sort;
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entity.Status = request.Status;
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entity.UpdateTime = DateTime.Now; // 自动设置更新时间 (Requirements 7.3)
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await _dbContext.SaveChangesAsync();
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_logger.LogInformation("更新业务介绍页成功，ID: {PageId}, Title: {Title}", entity.Id, entity.Title);
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return true;
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}
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/// <inheritdoc />
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public async Task<bool> DeletePageAsync(long id)
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{
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// 查询业务介绍页
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var entity = await _dbContext.BusinessPages
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.Where(p => p.Id == id && !p.IsDeleted)
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.FirstOrDefaultAsync();
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// 如果不存在或已软删除，抛出业务异常 (Requirements 8.3)
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if (entity == null)
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{
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_logger.LogWarning("业务介绍页不存在，ID: {PageId}", id);
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throw new BusinessException(ErrorCodes.BusinessPageNotFound, "业务介绍页不存在");
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}
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// 软删除：设置 IsDeleted 为 true，更新 UpdateTime (Requirements 8.1)
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entity.IsDeleted = true;
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entity.UpdateTime = DateTime.Now;
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await _dbContext.SaveChangesAsync();
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_logger.LogInformation("删除业务介绍页成功（软删除），ID: {PageId}", id);
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return true;
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}
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/// <inheritdoc />
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public async Task<bool> UpdatePageStatusAsync(long id, int status)
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{
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// 查询业务介绍页
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var entity = await _dbContext.BusinessPages
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.Where(p => p.Id == id && !p.IsDeleted)
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.FirstOrDefaultAsync();
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// 如果不存在或已软删除，抛出业务异常 (Requirements 8.3)
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if (entity == null)
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{
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_logger.LogWarning("业务介绍页不存在，ID: {PageId}", id);
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throw new BusinessException(ErrorCodes.BusinessPageNotFound, "业务介绍页不存在");
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}
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// 更新状态字段 (Requirements 8.2)
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entity.Status = status;
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entity.UpdateTime = DateTime.Now;
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await _dbContext.SaveChangesAsync();
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_logger.LogInformation("更新业务介绍页状态成功，ID: {PageId}, Status: {Status}", id, status);
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return true;
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}
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/// <inheritdoc />
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public async Task<bool> UpdatePageSortAsync(long id, int sort)
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{
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// 查询业务介绍页
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var entity = await _dbContext.BusinessPages
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.Where(p => p.Id == id && !p.IsDeleted)
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.FirstOrDefaultAsync();
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// 如果不存在或已软删除，抛出业务异常 (Requirements 8.3)
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if (entity == null)
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{
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_logger.LogWarning("业务介绍页不存在，ID: {PageId}", id);
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throw new BusinessException(ErrorCodes.BusinessPageNotFound, "业务介绍页不存在");
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}
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// 更新排序字段 (Requirements 8.4)
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entity.Sort = sort;
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entity.UpdateTime = DateTime.Now;
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await _dbContext.SaveChangesAsync();
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_logger.LogInformation("更新业务介绍页排序成功，ID: {PageId}, Sort: {Sort}", id, sort);
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return true;
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}
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#region 私有方法
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/// <summary>
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/// 应用业务介绍页查询过滤条件
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/// </summary>
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/// <param name="query">查询</param>
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/// <param name="request">请求</param>
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/// <returns>过滤后的查询</returns>
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private static IQueryable<BusinessPage> ApplyPageQueryFilters(
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IQueryable<BusinessPage> query,
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BusinessPageQueryRequest request)
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{
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// 按标题模糊匹配筛选 (Requirements 6.2)
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if (!string.IsNullOrWhiteSpace(request.Title))
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{
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query = query.Where(p => p.Title.Contains(request.Title));
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}
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// 按状态筛选 (Requirements 6.2)
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if (request.Status.HasValue)
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{
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query = query.Where(p => p.Status == request.Status.Value);
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}
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return query;
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}
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/// <summary>
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/// 验证业务介绍页请求
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/// </summary>
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/// <param name="title">标题</param>
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/// <param name="imageUrl">图片URL</param>
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/// <param name="hasActionButton">是否有操作按钮</param>
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/// <param name="actionButtonText">操作按钮文字</param>
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/// <param name="actionButtonLink">操作按钮链接</param>
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private void ValidatePageRequest(string title, string imageUrl, bool hasActionButton,
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string? actionButtonText, string? actionButtonLink)
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{
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// 验证 Title 必填 (Requirements 5.1, 7.1)
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if (string.IsNullOrWhiteSpace(title))
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{
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_logger.LogWarning("业务介绍页验证失败：标题不能为空");
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throw new BusinessException(ErrorCodes.ParamError, "标题不能为空");
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}
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// 验证 ImageUrl 必填 (Requirements 5.1, 7.1)
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if (string.IsNullOrWhiteSpace(imageUrl))
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{
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_logger.LogWarning("业务介绍页验证失败：图片URL不能为空");
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throw new BusinessException(ErrorCodes.ParamError, "图片URL不能为空");
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}
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// 当 HasActionButton 为 true 时，验证 ActionButtonText 和 ActionButtonLink 必填 (Requirements 5.2, 7.2)
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if (hasActionButton)
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{
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if (string.IsNullOrWhiteSpace(actionButtonText))
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{
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_logger.LogWarning("业务介绍页验证失败：启用操作按钮时，按钮文字不能为空");
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throw new BusinessException(ErrorCodes.ParamError, "启用操作按钮时，按钮文字不能为空");
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}
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if (string.IsNullOrWhiteSpace(actionButtonLink))
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{
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_logger.LogWarning("业务介绍页验证失败：启用操作按钮时，按钮链接不能为空");
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throw new BusinessException(ErrorCodes.ParamError, "启用操作按钮时，按钮链接不能为空");
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}
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}
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}
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/// <summary>
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/// 获取状态名称
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/// </summary>
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/// <param name="status">状态值</param>
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/// <returns>状态名称</returns>
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private static string GetStatusName(int status)
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{
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return StatusNames.TryGetValue(status, out var name) ? name : "未知";
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}
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#endregion
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}
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