feat: 新增公告管理

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Announcement/AnnouncementCreateInput.cs

@@ -0,0 +1,59 @@
+using System.ComponentModel.DataAnnotations;
+using Yi.Framework.AiHub.Domain.Shared.Enums;
+
+namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Announcement;
+
+/// <summary>
+/// 创建公告输入
+/// </summary>
+public class AnnouncementCreateInput
+{
+    /// <summary>
+    /// 标题
+    /// </summary>
+    [Required(ErrorMessage = "标题不能为空")]
+    [StringLength(200, ErrorMessage = "标题不能超过200个字符")]
+    public string Title { get; set; }
+
+    /// <summary>
+    /// 内容列表
+    /// </summary>
+    [Required(ErrorMessage = "内容不能为空")]
+    [MinLength(1, ErrorMessage = "至少需要一条内容")]
+    public List<string> Content { get; set; } = new List<string>();
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    [StringLength(500, ErrorMessage = "备注不能超过500个字符")]
+    public string? Remark { get; set; }
+
+    /// <summary>
+    /// 图片url
+    /// </summary>
+    [StringLength(500, ErrorMessage = "图片URL不能超过500个字符")]
+    public string? ImageUrl { get; set; }
+
+    /// <summary>
+    /// 开始时间
+    /// </summary>
+    [Required(ErrorMessage = "开始时间不能为空")]
+    public DateTime StartTime { get; set; }
+
+    /// <summary>
+    /// 活动结束时间
+    /// </summary>
+    public DateTime? EndTime { get; set; }
+
+    /// <summary>
+    /// 公告类型
+    /// </summary>
+    [Required(ErrorMessage = "公告类型不能为空")]
+    public AnnouncementTypeEnum Type { get; set; }
+
+    /// <summary>
+    /// 跳转链接
+    /// </summary>
+    [StringLength(500, ErrorMessage = "跳转链接不能超过500个字符")]
+    public string? Url { get; set; }
+}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Announcement/AnnouncementDto.cs

@@ -0,0 +1,59 @@
+using Yi.Framework.AiHub.Domain.Shared.Enums;
+
+namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Announcement;
+
+/// <summary>
+/// 公告 DTO（后台管理使用）
+/// </summary>
+public class AnnouncementDto
+{
+    /// <summary>
+    /// 公告ID
+    /// </summary>
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// 标题
+    /// </summary>
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 内容列表
+    /// </summary>
+    public List<string> Content { get; set; } = new List<string>();
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    public string? Remark { get; set; }
+
+    /// <summary>
+    /// 图片url
+    /// </summary>
+    public string? ImageUrl { get; set; }
+
+    /// <summary>
+    /// 开始时间
+    /// </summary>
+    public DateTime StartTime { get; set; }
+
+    /// <summary>
+    /// 活动结束时间
+    /// </summary>
+    public DateTime? EndTime { get; set; }
+
+    /// <summary>
+    /// 公告类型
+    /// </summary>
+    public AnnouncementTypeEnum Type { get; set; }
+
+    /// <summary>
+    /// 跳转链接
+    /// </summary>
+    public string? Url { get; set; }
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreationTime { get; set; }
+}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Announcement/AnnouncementGetListInput.cs

@@ -0,0 +1,29 @@
+using Yi.Framework.AiHub.Domain.Shared.Enums;
+
+namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Announcement;
+
+/// <summary>
+/// 获取公告列表输入
+/// </summary>
+public class AnnouncementGetListInput
+{
+    /// <summary>
+    /// 搜索关键字
+    /// </summary>
+    public string? SearchKey { get; set; }
+
+    /// <summary>
+    /// 跳过数量
+    /// </summary>
+    public int SkipCount { get; set; } = 0;
+
+    /// <summary>
+    /// 最大结果数量
+    /// </summary>
+    public int MaxResultCount { get; set; } = 10;
+
+    /// <summary>
+    /// 公告类型
+    /// </summary>
+    public AnnouncementTypeEnum? Type { get; set; }
+}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Announcement/AnnouncementUpdateInput.cs

@@ -0,0 +1,65 @@
+using System.ComponentModel.DataAnnotations;
+using Yi.Framework.AiHub.Domain.Shared.Enums;
+
+namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Announcement;
+
+/// <summary>
+/// 更新公告输入
+/// </summary>
+public class AnnouncementUpdateInput
+{
+    /// <summary>
+    /// 公告ID
+    /// </summary>
+    [Required(ErrorMessage = "公告ID不能为空")]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// 标题
+    /// </summary>
+    [Required(ErrorMessage = "标题不能为空")]
+    [StringLength(200, ErrorMessage = "标题不能超过200个字符")]
+    public string Title { get; set; }
+
+    /// <summary>
+    /// 内容列表
+    /// </summary>
+    [Required(ErrorMessage = "内容不能为空")]
+    [MinLength(1, ErrorMessage = "至少需要一条内容")]
+    public List<string> Content { get; set; } = new List<string>();
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    [StringLength(500, ErrorMessage = "备注不能超过500个字符")]
+    public string? Remark { get; set; }
+
+    /// <summary>
+    /// 图片url
+    /// </summary>
+    [StringLength(500, ErrorMessage = "图片URL不能超过500个字符")]
+    public string? ImageUrl { get; set; }
+
+    /// <summary>
+    /// 开始时间
+    /// </summary>
+    [Required(ErrorMessage = "开始时间不能为空")]
+    public DateTime StartTime { get; set; }
+
+    /// <summary>
+    /// 活动结束时间
+    /// </summary>
+    public DateTime? EndTime { get; set; }
+
+    /// <summary>
+    /// 公告类型
+    /// </summary>
+    [Required(ErrorMessage = "公告类型不能为空")]
+    public AnnouncementTypeEnum Type { get; set; }
+
+    /// <summary>
+    /// 跳转链接
+    /// </summary>
+    [StringLength(500, ErrorMessage = "跳转链接不能超过500个字符")]
+    public string? Url { get; set; }
+}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/IServices/IAnnouncementService.cs

@@ -1,3 +1,4 @@
+using Volo.Abp.Application.Dtos;
 using Yi.Framework.AiHub.Application.Contracts.Dtos.Announcement;
 
 namespace Yi.Framework.AiHub.Application.Contracts.IServices;
@@ -8,8 +9,42 @@ namespace Yi.Framework.AiHub.Application.Contracts.IServices;
 public interface IAnnouncementService
 {
     /// <summary>
-    /// 获取公告信息
+    /// 获取公告信息（前端首页使用）
     /// </summary>
     /// <returns>公告信息</returns>
     Task<List<AnnouncementLogDto>> GetAsync();
+
+    /// <summary>
+    /// 获取公告列表（后台管理使用）
+    /// </summary>
+    /// <param name="input">查询参数</param>
+    /// <returns>分页公告列表</returns>
+    Task<PagedResultDto<AnnouncementDto>> GetListAsync(AnnouncementGetListInput input);
+
+    /// <summary>
+    /// 根据ID获取公告
+    /// </summary>
+    /// <param name="id">公告ID</param>
+    /// <returns>公告详情</returns>
+    Task<AnnouncementDto> GetByIdAsync(Guid id);
+
+    /// <summary>
+    /// 创建公告
+    /// </summary>
+    /// <param name="input">创建输入</param>
+    /// <returns>创建的公告</returns>
+    Task<AnnouncementDto> CreateAsync(AnnouncementCreateInput input);
+
+    /// <summary>
+    /// 更新公告
+    /// </summary>
+    /// <param name="input">更新输入</param>
+    /// <returns>更新后的公告</returns>
+    Task<AnnouncementDto> UpdateAsync(AnnouncementUpdateInput input);
+
+    /// <summary>
+    /// 删除公告
+    /// </summary>
+    /// <param name="id">公告ID</param>
+    Task DeleteAsync(Guid id);
 }

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/AnnouncementService.cs

@@ -1,6 +1,10 @@
 using Mapster;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.Extensions.Configuration;
+using SqlSugar;
+using Volo.Abp.Application.Dtos;
 using Volo.Abp.Application.Services;
 using Volo.Abp.Caching;
 using Yi.Framework.AiHub.Application.Contracts.Dtos.Announcement;
@@ -31,8 +35,9 @@ public class AnnouncementService : ApplicationService, IAnnouncementService
     }
 
     /// <summary>
-    /// 获取公告信息
+    /// 获取公告信息（前端首页使用，允许匿名访问）
     /// </summary>
+    [AllowAnonymous]
     public async Task<List<AnnouncementLogDto>> GetAsync()
     {
         // 使用 GetOrAddAsync 从缓存获取或添加数据，缓存1小时
@@ -48,18 +53,124 @@ public class AnnouncementService : ApplicationService, IAnnouncementService
         return cacheData?.Logs ?? new List<AnnouncementLogDto>();
     }
 
+    /// <summary>
+    /// 获取公告列表（后台管理使用）
+    /// </summary>
+    [Authorize(Roles = "admin")]
+    [HttpGet("announcement/list")]
+    public async Task<PagedResultDto<AnnouncementDto>> GetListAsync(AnnouncementGetListInput input)
+    {
+        var query = _announcementRepository._DbQueryable
+            .WhereIF(!string.IsNullOrWhiteSpace(input.SearchKey),
+                x => x.Title.Contains(input.SearchKey!) || (x.Remark != null && x.Remark.Contains(input.SearchKey!)))
+            .WhereIF(input.Type.HasValue, x => x.Type == input.Type!.Value)
+            .OrderByDescending(x => x.StartTime);
+
+        var totalCount = await query.CountAsync();
+        var items = await query
+            .Skip(input.SkipCount)
+            .Take(input.MaxResultCount)
+            .ToListAsync();
+
+        return new PagedResultDto<AnnouncementDto>(
+            totalCount,
+            items.Adapt<List<AnnouncementDto>>()
+        );
+    }
+
+    /// <summary>
+    /// 根据ID获取公告
+    /// </summary>
+    [Authorize(Roles = "admin")]
+    [HttpGet("{id}")]
+    public async Task<AnnouncementDto> GetByIdAsync(Guid id)
+    {
+        var entity = await _announcementRepository.GetByIdAsync(id);
+        if (entity == null)
+        {
+            throw new Exception("公告不存在");
+        }
+        return entity.Adapt<AnnouncementDto>();
+    }
+
+    /// <summary>
+    /// 创建公告
+    /// </summary>
+    [Authorize(Roles = "admin")]
+    [HttpPost]
+    public async Task<AnnouncementDto> CreateAsync(AnnouncementCreateInput input)
+    {
+        var entity = input.Adapt<AnnouncementAggregateRoot>();
+        await _announcementRepository.InsertAsync(entity);
+
+        // 清除缓存
+        await _announcementCache.RemoveAsync(AnnouncementCacheKey);
+
+        return entity.Adapt<AnnouncementDto>();
+    }
+
+    /// <summary>
+    /// 更新公告
+    /// </summary>
+    [Authorize(Roles = "admin")]
+    [HttpPut]
+    public async Task<AnnouncementDto> UpdateAsync(AnnouncementUpdateInput input)
+    {
+        var entity = await _announcementRepository.GetByIdAsync(input.Id);
+        if (entity == null)
+        {
+            throw new Exception("公告不存在");
+        }
+
+        // 更新字段
+        entity.Title = input.Title;
+        entity.Content = input.Content;
+        entity.Remark = input.Remark;
+        entity.ImageUrl = input.ImageUrl;
+        entity.StartTime = input.StartTime;
+        entity.EndTime = input.EndTime;
+        entity.Type = input.Type;
+        entity.Url = input.Url;
+
+        await _announcementRepository.UpdateAsync(entity);
+
+        // 清除缓存
+        await _announcementCache.RemoveAsync(AnnouncementCacheKey);
+
+        return entity.Adapt<AnnouncementDto>();
+    }
+
+    /// <summary>
+    /// 删除公告
+    /// </summary>
+    [Authorize(Roles = "admin")]
+    [HttpDelete("announcement/{id}")]
+    public async Task DeleteAsync(Guid id)
+    {
+        var entity = await _announcementRepository.GetByIdAsync(id);
+        if (entity == null)
+        {
+            throw new Exception("公告不存在");
+        }
+
+        await _announcementRepository.DeleteAsync(entity);
+
+        // 清除缓存
+        await _announcementCache.RemoveAsync(AnnouncementCacheKey);
+    }
+
     /// <summary>
     /// 从数据库加载公告数据
     /// </summary>
     private async Task<AnnouncementCacheDto> LoadAnnouncementDataAsync()
     {
-        // 1️⃣ 一次性查出全部公告（不排序）
+        // 一次性查出全部公告（不排序）
         var logs = await _announcementRepository._DbQueryable
             .ToListAsync();
 
         var now = DateTime.Now;
 
-        // 2️⃣ 内存中处理排序
+        // 内存中处理排序
         var orderedLogs = logs
             .OrderByDescending(x =>
                 x.StartTime <= now &&