Add RSS reader web application example

README.md

@@ -48,6 +48,7 @@ Greetings from Cairo, Egypt. You can [sponsor](https://github.com/sponsors/dodyg
 | [Request](/projects/request)                                            | 15  | Form, Cookies, Query String, Headers                                         |
 | [Request Timeouts Middleware](/projets/request-timeouts-middleware)     | 6   |                                                                              |
 | [Response](/projects/response)                                          | 3   |                                                                              |
+| [RSS](/projects/rss-reader)                                             | 1   |                                                                              |
 | [SignalR](/projects/signalr)                                            | 1   |                                                                              |
 | [Security](/projects/security)                                          | 7   |                                                                              |
 | [Single File Application](/projects/sfa)                                | 2   |                                                                              |

projects/rss-reader/rss-reader/RssReaderWebApplication.sln

@@ -0,0 +1,16 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RssReaderWebApplication", "RssReaderWebApplication\RssReaderWebApplication.csproj", "{18C926DB-958A-4FDA-962B-23F336D68900}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{18C926DB-958A-4FDA-962B-23F336D68900}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{18C926DB-958A-4FDA-962B-23F336D68900}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{18C926DB-958A-4FDA-962B-23F336D68900}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{18C926DB-958A-4FDA-962B-23F336D68900}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

projects/rss-reader/rss-reader/RssReaderWebApplication/Controllers/HomeController.cs

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+using Microsoft.AspNetCore.Mvc;
+
+namespace RssReaderWebApplication.Controllers;
+
+public class HomeController : Controller
+{
+    public IActionResult Index()
+    {
+        const string rssUrl = "https://www.newyorker.com/feed/everything";
+        var rssItems = RssFeedService.GetRssFeedItems(rssUrl);
+        return View(rssItems);
+    }
+}

projects/rss-reader/rss-reader/RssReaderWebApplication/Models/RssItem.cs

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+namespace RssReaderWebApplication.Models;
+
+public class RssItem
+{
+    public string? Title { get; set; }
+    public string? Link { get; set; }
+    public string? Description { get; set; }
+}

projects/rss-reader/rss-reader/RssReaderWebApplication/Program.cs

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+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddControllersWithViews();
+
+var app = builder.Build();
+
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Home/Error");
+    app.UseHsts();
+}
+
+app.UseHttpsRedirection();
+app.UseStaticFiles();
+
+app.UseRouting();
+
+app.UseAuthorization();
+
+app.MapControllerRoute(
+    name: "default",
+    pattern: "{controller=Home}/{action=Index}/{id?}");
+
+app.Run();

projects/rss-reader/rss-reader/RssReaderWebApplication/RssFeedService.cs

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+using System.Xml;
+using RssReaderWebApplication.Models;
+
+namespace RssReaderWebApplication;
+
+public static class RssFeedService
+{
+    public static List<RssItem> GetRssFeedItems(string rssUrl)
+    {
+        var rssItems = new List<RssItem>();
+        var rssXmlDoc = new XmlDocument();
+
+        rssXmlDoc.Load(rssUrl);
+        var rssNodes = rssXmlDoc.SelectNodes("rss/channel/item");
+
+        if (rssNodes == null) 
+            return rssItems;
+
+        rssItems.AddRange(
+            from XmlNode rssNode in rssNodes 
+            select new RssItem
+            {
+                Title = rssNode.SelectSingleNode("title").InnerText, 
+                Link = rssNode.SelectSingleNode("link").InnerText, 
+                Description = rssNode.SelectSingleNode("description").InnerText
+            });
+
+        return rssItems;
+    }
+}

projects/rss-reader/rss-reader/RssReaderWebApplication/RssReaderWebApplication.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <_ContentIncludedByDefault Remove="Views\RssFeed\Index.cshtml" />
+    </ItemGroup>
+
+</Project>

projects/rss-reader/rss-reader/RssReaderWebApplication/Views/Home/Index.cshtml

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+@{
+    ViewData["Title"] = "Home Page";
+}
+
+@model List<RssReaderWebApplication.Models.RssItem>
+
+<h2>RSS Feed</h2>
+<ul>
+    @foreach (var item in Model)
+    {
+        <li>
+            <a href="@item.Link">@item.Title</a>
+            <p>@item.Description</p>
+        </li>
+    }
+</ul>

projects/rss-reader/rss-reader/RssReaderWebApplication/Views/Shared/_Layout.cshtml

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+    <title>@ViewData["Title"] - RssReaderWebApplication</title>
+    <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css"/>
+    <link rel="stylesheet" href="~/css/site.css" asp-append-version="true"/>
+    <link rel="stylesheet" href="~/RssReaderWebApplication.styles.css" asp-append-version="true"/>
+</head>
+<body>
+<header>
+    <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
+        <div class="container-fluid">
+            <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">RssReaderWebApplication</a>
+            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target=".navbar-collapse" aria-controls="navbarSupportedContent"
+                    aria-expanded="false" aria-label="Toggle navigation">
+                <span class="navbar-toggler-icon"></span>
+            </button>
+            <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
+                <ul class="navbar-nav flex-grow-1">
+                    <li class="nav-item">
+                        <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
+                    </li>
+                </ul>
+            </div>
+        </div>
+    </nav>
+</header>
+<div class="container">
+    <main role="main" class="pb-3">
+        @RenderBody()
+    </main>
+</div>
+<script src="~/lib/jquery/dist/jquery.min.js"></script>
+<script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
+<script src="~/js/site.js" asp-append-version="true"></script>
+@await RenderSectionAsync("Scripts", required: false)
+</body>
+</html>

projects/rss-reader/rss-reader/RssReaderWebApplication/Views/Shared/_Layout.cshtml.css

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+/* Please see documentation at https://learn.microsoft.com/aspnet/core/client-side/bundling-and-minification
+for details on configuring this project to bundle and minify static web assets. */
+
+a.navbar-brand {
+  white-space: normal;
+  text-align: center;
+  word-break: break-all;
+}
+
+a {
+  color: #0077cc;
+}
+
+.btn-primary {
+  color: #fff;
+  background-color: #1b6ec2;
+  border-color: #1861ac;
+}
+
+.nav-pills .nav-link.active, .nav-pills .show > .nav-link {
+  color: #fff;
+  background-color: #1b6ec2;
+  border-color: #1861ac;
+}
+
+.border-top {
+  border-top: 1px solid #e5e5e5;
+}
+.border-bottom {
+  border-bottom: 1px solid #e5e5e5;
+}
+
+.box-shadow {
+  box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05);
+}
+
+button.accept-policy {
+  font-size: 1rem;
+  line-height: inherit;
+}
+
+.footer {
+  position: absolute;
+  bottom: 0;
+  width: 100%;
+  white-space: nowrap;
+  line-height: 60px;
+}

projects/rss-reader/rss-reader/RssReaderWebApplication/Views/Shared/_ValidationScriptsPartial.cshtml

@@ -0,0 +1,2 @@
+<script src="~/lib/jquery-validation/dist/jquery.validate.min.js"></script>
+<script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"></script>

projects/rss-reader/rss-reader/RssReaderWebApplication/Views/_ViewImports.cshtml

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+@using RssReaderWebApplication
+@using RssReaderWebApplication.Models
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers

projects/rss-reader/rss-reader/RssReaderWebApplication/Views/_ViewStart.cshtml

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+@{
+    Layout = "_Layout";
+}

projects/rss-reader/rss-reader/RssReaderWebApplication/wwwroot/css/site.css

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+html {
+  font-size: 14px;
+}
+
+@media (min-width: 768px) {
+  html {
+    font-size: 16px;
+  }
+}
+
+.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
+  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
+}
+
+html {
+  position: relative;
+  min-height: 100%;
+}
+
+body {
+  margin-bottom: 60px;
+}

projects/rss-reader/rss-reader/RssReaderWebApplication/wwwroot/js/site.js

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+// Please see documentation at https://learn.microsoft.com/aspnet/core/client-side/bundling-and-minification
+// for details on configuring this project to bundle and minify static web assets.
+
+// Write your JavaScript code.

projects/rss-reader/rss-reader/RssReaderWebApplication/wwwroot/lib/bootstrap/LICENSE

@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2021 Twitter, Inc.
+Copyright (c) 2011-2021 The Bootstrap Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.