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fit-ctu-discord · Dec 19, 2022 · ffe227e · ffe227e
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commit ffe227e
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Showing 4 changed files with 85 additions and 14 deletions.
diff --git a/Directory.Packages.props b/Directory.Packages.props
@@ -27,5 +27,6 @@
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.5" />
     <PackageVersion Include="Shouldly" Version="4.1.0" />
     <PackageVersion Include="Html2Markdown" Version="5.1.0.703" />
+    <PackageVersion Include="HtmlAgilityPack" Version="1.11.46" />
   </ItemGroup>
 </Project>
diff --git a/src/HonzaBotner.Discord.Services/Jobs/SuzJobProvider.cs b/src/HonzaBotner.Discord.Services/Jobs/SuzJobProvider.cs
@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using DSharpPlus;
+using DSharpPlus.Entities;
+using HonzaBotner.Discord.Services.Helpers;
+using HonzaBotner.Discord.Services.Options;
+using HonzaBotner.Scheduler.Contract;
+using HonzaBotner.Services.Contract;
+using HonzaBotner.Services.Contract.Dto;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+
+namespace HonzaBotner.Discord.Services.Jobs;
+
+[Cron("0 30 10 * * 1-5")]
+public class SuzJobProvider : IJob
+{
+    private readonly ILogger<SuzJobProvider> _logger;
+
+    private readonly DiscordWrapper _discord;
+    private readonly ICanteenService _canteenService;
+    private readonly IGuildProvider _guildProvider;
+    private readonly CommonCommandOptions _commonOptions;
+
+    public SuzJobProvider(
+        ILogger<SuzJobProvider> logger,
+        DiscordWrapper discord,
+        ICanteenService canteenService,
+        IGuildProvider guildProvider,
+        IOptions<CommonCommandOptions> commonOptions)
+    {
+        _logger = logger;
+        _discord = discord;
+        _canteenService = canteenService;
+        _guildProvider = guildProvider;
+        _commonOptions = commonOptions.Value;
+    }
+
+    public string Name => "suz-agata";
+
+    public async Task ExecuteAsync(CancellationToken cancellationToken)
+    {
+        IList<CanteenDto> canteens = await _canteenService.ListCanteensAsync(true, cancellationToken);
+
+        DiscordGuild guild = await _guildProvider.GetCurrentGuildAsync();
+        guild.ListActiveThreadsAsync()
+        _discord.Client.SendMessageAsync()
+    }
+}
diff --git a/src/HonzaBotner.Services/SuzCanteenService.cs b/src/HonzaBotner.Services/SuzCanteenService.cs
@@ -7,35 +7,49 @@
 using HonzaBotner.Services.Contract;
 using HonzaBotner.Services.Contract.Dto;
 using HtmlAgilityPack;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace HonzaBotner.Services;
 
 public class SuzCanteenService: ICanteenService
 {
     private readonly HttpClient _httpClient;
+    private readonly IMemoryCache _memoryCache;
 
-    public SuzCanteenService(HttpClient httpClient)
+    public SuzCanteenService(HttpClient httpClient, IMemoryCache memoryCache)
     {
         _httpClient = httpClient;
+        _memoryCache = memoryCache;
     }
 
     public async Task<IList<CanteenDto>> ListCanteensAsync(bool onlyOpen = false, CancellationToken cancellationToken = default)
     {
-        const string url = "https://agata.suz.cvut.cz/jidelnicky/index.php";
-        string pageContent = await _httpClient.GetStringAsync(url, cancellationToken);
+        const string cacheKey = $"{nameof(SuzCanteenService)}_{nameof(ListCanteensAsync)}";
 
-        var htmlDoc = new HtmlDocument();
-        htmlDoc.LoadHtml(pageContent);
+        if (!_memoryCache.TryGetValue(cacheKey, out List<CanteenDto> canteens))
+        {
 
-        var canteens = htmlDoc.DocumentNode.SelectNodes("//ul[@id='menzy']/li/a")
-            .Select(node =>
-            {
-                int.TryParse(node.Id.Replace("podSh", ""), out int id);
-                bool open = node.SelectSingleNode($"{node.XPath}/img")
-                    .GetAttributeValue("src", "closed").Contains("Otevreno");
-                string name = node.InnerText.Trim();
-                return new CanteenDto(id, name, open);
-            });
+            const string url = "https://agata.suz.cvut.cz/jidelnicky/index.php";
+            string pageContent = await _httpClient.GetStringAsync(url, cancellationToken);
+
+            var htmlDoc = new HtmlDocument();
+            htmlDoc.LoadHtml(pageContent);
+
+            canteens = htmlDoc.DocumentNode.SelectNodes("//ul[@id='menzy']/li/a")
+                .Select(node =>
+                {
+                    int.TryParse(node.Id.Replace("podSh", ""), out int id);
+                    bool open = node.SelectSingleNode($"{node.XPath}/img")
+                        .GetAttributeValue("src", "closed").Contains("Otevreno");
+                    string name = node.InnerText.Trim();
+                    return new CanteenDto(id, name, open);
+                }).ToList();
+
+            var cacheEntryOptions = new MemoryCacheEntryOptions()
+                .SetAbsoluteExpiration(TimeSpan.FromHours(1));
+
+            _memoryCache.Set(cacheKey, canteens, cacheEntryOptions);
+        }
 
         if (onlyOpen)
             return canteens.Where(c => c.Open).ToList();

diff --git a/src/HonzaBotner/appsettings.CvutFit.json b/src/HonzaBotner/appsettings.CvutFit.json
@@ -56,6 +56,9 @@
         "issueTrackerUrl": "https://github.com/fit-ctu-discord/honza-botner/issues",
         "changelogUrl": "https://github.com/fit-ctu-discord/honza-botner/releases"
     },
+    "SuzCanteenOptions": {
+        "PublishThre"
+    },
     "DiscordRoles": {
         "AuthenticatedRoleIds": [681559148546359432, 686867633085480970],
         "AuthRoleMapping": {