tuiwucarrer/Admin.NET/Admin.NET.Core/Service/ZYNews/ZyNewsService.cs

using Admin.NET.Core.Service.ZYNews.DTO;
using Flurl;
using Flurl.Http;
using Microsoft.Extensions.Caching.Distributed;
using MongoDB.Bson;
using NewLife;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;
using System.Threading.Tasks;

namespace Admin.NET.Core.Service;


/// <summary>
/// 新闻资讯
/// </summary>
[AllowAnonymous]
[ApiDescriptionSettings(ApplicationConst.ZYGroupName, Order = 900)]
[Route("api/ZyNews")]
public class ZyNewsService : IDynamicApiController, ITransient
{
    private readonly IDistributedCache _distributed;
    private const string _cachekey = "news_";
    public ZyNewsService(IDistributedCache distributedCache)
    {
        _distributed = distributedCache;
    }



    /// <summary>
    /// 资讯列表
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    [HttpGet]
    public async Task<dynamic> NewsPage([FromQuery] NewsPageRequest request)
    {
        try
        {
            var baseurl = App.GetConfig<OutExApi>("OutExApi", true).BaseUrl;
            var dyresult = await string.Format("{0}api/front/NewsInfo/GetPageNews", baseurl)
                .SetQueryParams(request).GetStringAsync();
            var result= JsonConvert.DeserializeObject<CustomPropertyResult<NewsPageResponse>>(dyresult);
            return result.response;
        }
        catch (Exception ex) {

            throw Oops.Oh("网络开小差了~");
        }
    }



    /// <summary>
    /// 获取新闻分类列表
    /// </summary>
    /// <returns></returns>
    [HttpGet]
    public async Task<dynamic> NewsCategory()
    {
        var key = _cachekey + "categorylist";
        var result = await _distributed.GetAsync(key);
        if (result == null)
        {
            try
            {
                var baseurl = App.GetConfig<OutExApi>("OutExApi", true).BaseUrl;
                var _option = new DistributedCacheEntryOptions()
                 .SetSlidingExpiration(TimeSpan.FromHours(4));
                var dyresult = await string.Format("{0}api/front/NewsInfo/GetNewsCategory", baseurl).GetStringAsync();
                var nresult = JsonConvert.DeserializeObject<CustomPropertyResult<List<NewsClassCategoryResponse>>>(dyresult);
                byte[] byresult = Encoding.UTF8.GetBytes(nresult.response.ToJson());
                await _distributed.SetAsync(key, byresult, _option);
                result = byresult;
            }
            catch (Exception ex)
            {

                throw Oops.Oh("网络开小差了~");
            }
        }
        return JsonConvert.DeserializeObject<dynamic>(Encoding.UTF8.GetString(result).ToLowerInvariant());
    }



    /// <summary>
    /// 首页top新闻列表
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    [HttpGet]
    public async Task<dynamic> Top([FromQuery] NewsRequest request)
    {
        try
        {
            var baseurl = App.GetConfig<OutExApi>("OutExApi", true).BaseUrl;
            var _option = new DistributedCacheEntryOptions()
             .SetSlidingExpiration(TimeSpan.FromHours(4));
            var dyresult = await string.Format("{0}api/front/NewsInfo/GetTopNews", baseurl)
                .SetQueryParams(request).GetStringAsync();
            var result = JsonConvert.DeserializeObject<CustomPropertyResult<List<NewsInfoResponse>>>(dyresult);
            return result.response;
        }
        catch (Exception ex)
        {

            throw Oops.Oh("网络开小差了~");
        }
    }



    /// <summary>
    /// 新闻详情
    /// </summary>
    /// <param name="Id"></param>
    /// <returns></returns>
    [HttpGet]
    public async Task<dynamic> Detail([FromQuery] int Id)
    {
        try
        {
            var baseurl = App.GetConfig<OutExApi>("OutExApi", true).BaseUrl;
            var _option = new DistributedCacheEntryOptions()
             .SetSlidingExpiration(TimeSpan.FromHours(4));
            var dyresult = await string.Format("{0}api/front/NewsInfo/GetDetail?id={1}", baseurl, Id)
             .GetStringAsync();
            var result = JsonConvert.DeserializeObject<CustomPropertyResult<NewsDetailInfoResponse>>(dyresult);
            return result.response;
        }
        catch (Exception ex)
        {

            throw Oops.Oh("网络开小差了~");
        }
    }


}