refactor: datamodels and service name

Needlework.Net/Services/HextechDocsService.cs

@@ -0,0 +1,49 @@
+using Akavache;
+using AngleSharp;
+using Needlework.Net.DataModels;
+using Needlework.Net.Extensions;
+using System;
+using System.Collections.Generic;
+using System.Reactive.Linq;
+using System.Threading.Tasks;
+
+namespace Needlework.Net.Services
+{
+    public class HextechDocsService : IEnableLogger
+    {
+        private readonly IBrowsingContext _context = BrowsingContext.New(Configuration.Default.WithDefaultLoader());
+
+        private readonly IBlobCache _blobCache;
+
+        public HextechDocsService(IBlobCache blobCache)
+        {
+            _blobCache = blobCache;
+        }
+
+        public async Task<List<HextechDocsPost>> GetPostsAsync()
+        {
+            return await _blobCache.GetOrFetchObject("HextechDocsPosts", async () =>
+            {
+                this.Log()
+                    .Debug("Downloading HextechDocs posts...");
+                var document = await _context.OpenAsync("https://hextechdocs.dev/tag/lcu/");
+                var elements = document.QuerySelectorAll("article.post-card");
+                var posts = new List<HextechDocsPost>();
+                foreach (var element in elements)
+                {
+                    var path = element.QuerySelector("a.post-card-content-link")!.GetAttribute("href")!;
+                    var title = element.QuerySelector(".post-card-title")!.TextContent;
+                    var excerpt = element.QuerySelector(".post-card-excerpt > p")!.TextContent;
+                    var post = new HextechDocsPost()
+                    {
+                        Path = path,
+                        Title = title,
+                        Excerpt = excerpt,
+                    };
+                    posts.Add(post);
+                }
+                return posts;
+            }, DateTimeOffset.Now + TimeSpan.FromHours(12));
+        }
+    }
+}