feat: 新增ai-stock模块

Yi.Abp.Net8/module/ai-stock/Yi.Framework.Stock.Application/Services/StockNewsService.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using SqlSugar;
+using Volo.Abp.Application.Dtos;
+using Volo.Abp.Application.Services;
+using Yi.Framework.Stock.Application.Contracts.Dtos.StockNews;
+using Yi.Framework.Stock.Application.Contracts.IServices;
+using Yi.Framework.Stock.Domain.Entities;
+using Yi.Framework.SqlSugarCore.Abstractions;
+
+namespace Yi.Framework.Stock.Application.Services
+{
+    /// <summary>
+    /// 股市新闻服务实现
+    /// </summary>
+    public class StockNewsService : ApplicationService, IStockNewsService
+    {
+        private readonly ISqlSugarRepository<StockNewsAggregateRoot> _stockNewsRepository;
+        
+        public StockNewsService(ISqlSugarRepository<StockNewsAggregateRoot> stockNewsRepository)
+        {
+            _stockNewsRepository = stockNewsRepository;
+        }
+        
+        /// <summary>
+        /// 获取股市新闻列表
+        /// </summary>
+        [HttpGet("/api/stock/news")]
+        public async Task<PagedResultDto<StockNewsDto>> GetStockNewsListAsync(StockNewsGetListInputDto input)
+        {
+            RefAsync<int> total = 0;
+            
+            // 计算10天前的日期
+            DateTime tenDaysAgo = DateTime.Now.AddDays(-10);
+            
+            var query = _stockNewsRepository._DbQueryable
+                .WhereIF(!string.IsNullOrEmpty(input.Title), n => n.Title.Contains(input.Title))
+                .WhereIF(!string.IsNullOrEmpty(input.Source), n => n.Source.Contains(input.Source))
+                .WhereIF(input.StartTime.HasValue, n => n.PublishTime >= input.StartTime.Value)
+                .WhereIF(input.EndTime.HasValue, n => n.PublishTime <= input.EndTime.Value)
+                // 如果IsRecent为true，则只查询最近10天的新闻
+                .WhereIF(input.IsRecent, n => n.PublishTime >= tenDaysAgo)
+                .OrderByIF(!string.IsNullOrEmpty(input.Sorting),input.Sorting)
+                .OrderByIF(string.IsNullOrEmpty(input.Sorting),n=>n.OrderNum,OrderByType.Asc)
+                .OrderByIF(string.IsNullOrEmpty(input.Sorting),n=>n.PublishTime,OrderByType.Desc) ;
+            
+            
+            var list = await query
+                .Select(n => new StockNewsDto
+                {
+                    Id = n.Id,
+                    Title = n.Title,
+                    Content = n.Content,
+                    PublishTime = n.PublishTime,
+                    Source = n.Source,
+                    CreationTime = n.CreationTime,
+                    OrderNum = n.OrderNum
+                })
+                .ToPageListAsync(input.SkipCount, input.MaxResultCount, total);
+                
+            return new PagedResultDto<StockNewsDto>(total, list);
+        }
+    }
+}