2025-06-06 16:00:39 +08:00

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/*
*所有关于App_News类的业务代码应在此处编写
*可使用repository.调用常用方法获取EF/Dapper等信息
*如果需要事务请使用repository.DbContextBeginTransaction
*也可使用DBServerProvider.手动获取数据库相关信息
*用户信息、权限、角色等使用UserContext.Current操作
*App_NewsService对增、删、改查、导入、导出、审核业务代码扩展参照ServiceFunFilter
*/
using System;
using System.Threading.Tasks;
using VOL.Core.Extensions;
using VOL.Core.ManageUser;
using VOL.Core.Utilities;
using VOL.Entity.DomainModels;
namespace VOL.AppManager.Services
{
public partial class App_NewsService
{
public async Task<WebResponseContent> GetDemoPageList()
{
var data = await repository.FindAsync(x => 1 == 1, s => new { s.CreateDate, s.Creator, s.NewsType, s.Title, s.DetailUrl, s.ImageUrl});
return WebResponseContent.Instance.OK(null, data);
}
public WebResponseContent SetCover(App_News news)
{
int count = repository.Update(news, x => new { news.ImageUrl }, true);
if (count == 0)
return WebResponseContent.Instance.Error("未更新到数据");
return WebResponseContent.Instance.OK("封面设置成功");
}
public async Task<WebResponseContent> CreatePage(App_News news)
{
WebResponseContent webResponseContent = WebResponseContent.Instance;
if (news == null)
{
return webResponseContent.Error("未获取到数据");
}
if (!await repository.ExistsAsync(x => x.Id == news.Id))
{
return webResponseContent.Error("请求的数据已发生变化,请刷新页面重新提交");
}
string template = FileHelper.ReadFile(@"Template\\AppHtml\\news.html");
if (string.IsNullOrEmpty(template))
{
return webResponseContent.Error("未获取到页面的模板,请确认模板是否存在");
}
string filePath;
string fileName;
string urlPath;
if (!string.IsNullOrEmpty(news.DetailUrl) && news.DetailUrl.IndexOf("/") != -1 && news.DetailUrl.Split(".").Length == 2)
{
var file = news.DetailUrl.Split("/");
fileName = file[file.Length - 1];
filePath = news.DetailUrl.Replace(fileName, "");
urlPath = filePath;
}
else
{
string day = DateTime.Now.ToString("yyyyMMdd");
fileName = DateTime.Now.ToString("HHmmsss") + new Random().Next(1000, 9999) + ".html";
urlPath = $"static/news/{day}/";
filePath = urlPath.MapPath(true);
}
string content = template.Replace("{title}", news.Title).Replace("{date}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")).Replace("{content}", news.Content);
FileHelper.WriteFile((filePath.IndexOf("wwwroot") == -1 ? "wwwroot/" : "") + filePath, fileName, content);
//更新数据库的url
news.DetailUrl = $"{urlPath}{fileName}";
repository.Update(news, x => new { news.DetailUrl, news.Content }, true);
return webResponseContent.OK("面发布成功,可预览看效果", new { url = news.DetailUrl });
}
}
}