Projeto de teste para avaliação

.gitignore

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+################################################################################
+# This .gitignore file was automatically created by Microsoft(R) Visual Studio.
+################################################################################
+
+/.vs
+/Oportunidade/.vs/Oportunidade

Oportunidade/Oportunidade.Blog/Feed.cs

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+using HtmlAgilityPack;
+using Oportunidade.Interface.Blog;
+using Oportunidade.Models.Blog;
+using System;
+using System.IO;
+using System.Net;
+using System.Threading.Tasks;
+using System.Xml.Serialization;
+
+namespace Oportunidade.Blog
+{
+    public class Feed : IFeed
+    {
+        public RSS ConsultarTopicos()
+        {
+            // Recupera os tópicos do blog
+            RSS rss = (RSS)CallAPI(ConfiguracaoAPI.urlBlog, HttpMethodEnum.GET, typeof(RSS));
+
+            TratarDadosRetorno(rss);
+
+            return rss;
+        }
+
+        #region TratarDadosRetorno
+        private void TratarDadosRetorno(RSS rss)
+        {
+            // Converte a string para DateTime
+            rss.Channel.dtLastBuildDate = ConverterData(rss.Channel.LastBuildDate);
+
+            // Converte a string em DateTime e remove tags HTML dos textos
+            Parallel.ForEach(rss.Channel.Items, item =>
+            {
+                item.dtPubDate = ConverterData(item.PubDate);
+                item.Description = RemoveTagsHTML(item.Description);
+                item.ContendEncoded = RemoveTagsHTML(item.ContendEncoded);
+            });
+        }
+        #endregion
+
+        #region RemoveTagsHTML
+        private DateTime ConverterData(string valor)
+        {
+            return DateTime.Parse(valor, new System.Globalization.CultureInfo("en-US"));
+        }
+        #endregion
+
+        #region RemoveTagsHTML
+        private string RemoveTagsHTML(string valor)
+        {
+            HtmlDocument htmlDoc = new HtmlDocument();
+            htmlDoc.LoadHtml(valor);
+            return htmlDoc.DocumentNode.InnerText;
+        }
+        #endregion
+
+        #region CallAPI
+        private object CallAPI(string url, HttpMethodEnum httpMethod, Type responseType)
+        {
+            var baseAddress = url;
+
+            var http = (HttpWebRequest)WebRequest.Create(new Uri(baseAddress));
+            http.Accept = "application/xml";
+            http.ContentType = "application/xml";
+            http.Method = httpMethod.ToString();
+
+            WebResponse response = http.GetResponse();
+
+            var stream = response.GetResponseStream();
+            var sr = new StreamReader(stream);
+            var content = sr.ReadToEnd();
+
+            if (responseType != null)
+            {
+                XmlSerializer serializer = new XmlSerializer(typeof(RSS));
+                using (TextReader reader = new StringReader(content))
+                {
+                    return (RSS)serializer.Deserialize(reader);
+                }
+            }
+            else
+            {
+                return content;
+            }
+        }
+        #endregion
+    }
+}

Oportunidade/Oportunidade.Blog/Oportunidade.Blog.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="HtmlAgilityPack.NetCore" Version="1.5.0.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Oportunidade.Interface\Oportunidade.Interface.csproj" />
+    <ProjectReference Include="..\Oportunidade\Oportunidade.csproj" />
+  </ItemGroup>
+
+</Project>