Switch to aspnet WebApplication

.gitignore

@@ -41,6 +41,5 @@ Thumbs.db
 *.dotCover
 
 #secret config
-karma.cfg.json
+secrets.json
-*secrets.ini
+secrets.*.json
-*.secret.json

AntiAntiSwearingBot.Tests/DetectTests.cs

@@ -1,6 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
+
+using Microsoft.Extensions.Options;
+
 using Xunit;
 
 namespace AntiAntiSwearingBot.Tests
@@ -8,13 +11,12 @@ namespace AntiAntiSwearingBot.Tests
     public class DetectTests
     {
         Unbleeper ubl { get; }
-        Config cfg { get; }
         SearchDictionary dict { get; }
 
         public DetectTests()
         {
-            cfg = Config.Load<Config>("aasb.cfg.json");
+
-            dict = new SearchDictionary(cfg);
+            dict = new SearchDictionary(OptionsMonitor );
             ubl = new Unbleeper(dict, cfg.Unbleeper);
         }
 

AntiAntiSwearingBot/Aasb.cs

@@ -1,42 +1,43 @@
-using System.Text.RegularExpressions;
+using System.Threading;
-using System.Threading;
 using System.Threading.Tasks;
 using Telegram.Bot;
-using Telegram.Bot.Exceptions;
 using Telegram.Bot.Extensions.Polling;
 using Telegram.Bot.Types;
 using Telegram.Bot.Types.Enums;
 using AntiAntiSwearingBot.Commands;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
 
 namespace AntiAntiSwearingBot;
 
-public class AntiAntiSwearingBot
+public class Aasb : IHostedService
 {
-    Config Config { get; }
     SearchDictionary Dict { get; }
     Unbleeper Unbleeper { get; }
+    ILogger Log { get; }
+    public bool Started { get; private set; } = false;
 
-    public AntiAntiSwearingBot(Config cfg, SearchDictionary dict)
+    public Aasb(ILogger<Aasb> log, IOptions<TelegramSettings> tgCfg, Unbleeper unbp)
     {
-        Config = cfg;
+        Log = log;
-        Dict = dict;
+        TelegramSettings = tgCfg.Value;
-        Unbleeper = new Unbleeper(dict, cfg.Unbleeper);
+        Unbleeper = unbp;
     }
 
+    TelegramSettings TelegramSettings { get; }
     TelegramBotClient TelegramBot { get; set; }
     ChatCommandRouter Router { get; set; }
     public User Me { get; private set; }
 
-    public async Task Init()
+    public async Task StartAsync(CancellationToken cancellationToken)
     {
-        if (string.IsNullOrWhiteSpace(Config.ApiKey))
+        if (string.IsNullOrWhiteSpace(TelegramSettings.ApiKey))
             return;
 
-        TelegramBot = new TelegramBotClient(Config.ApiKey);
+        TelegramBot = new TelegramBotClient(TelegramSettings.ApiKey);
 
         Me = await TelegramBot.GetMeAsync();
-            
+        Log.LogInformation("Connected to Telegram as @{Username}", Me.Username);
-            
         Router = new ChatCommandRouter(Me.Username);
         Router.Add(new LearnCommand(Dict), "learn");
         Router.Add(new UnlearnCommand(Dict), "unlearn");
@@ -46,16 +47,19 @@ public class AntiAntiSwearingBot
             HandleUpdateAsync,
             HandleErrorAsync,
             receiverOptions);
+
+        Log.LogInformation("AntiAntiSwearBot started!");
+        Started = true;
+    }
+
+    public async Task StopAsync(CancellationToken cancellationToken)
+    {
+        await TelegramBot.CloseAsync();
     }
 
     Task HandleErrorAsync(ITelegramBotClient botClient, Exception exception, CancellationToken cancellationToken)
     {
-        var ErrorMessage = exception switch
+        Log.LogError(exception, "Exception while handling API message");
-        {
-            ApiRequestException apiRequestException => $"Telegram API Error:\n[{apiRequestException.ErrorCode}]\n{apiRequestException.Message}",
-            _ => exception.ToString()
-        };
-        Console.WriteLine(ErrorMessage);
         return Task.CompletedTask;
     }
 
@@ -76,7 +80,8 @@ public class AntiAntiSwearingBot
                 await TelegramBot.SendTextMessageAsync(
                     msg.Chat.Id,
                     commandResponse,
-                    replyToMessageId: msg.MessageId);
+                    replyToMessageId: msg.MessageId,
+                    disableNotification: true);
             }
             else
             {
@@ -85,13 +90,13 @@ public class AntiAntiSwearingBot
                     await TelegramBot.SendTextMessageAsync(
                         msg.Chat.Id,
                         unbleepResponse,
-                        replyToMessageId: msg.MessageId);
+                        replyToMessageId: msg.MessageId,
+                        disableNotification: true);
             }
-
         }
         catch (Exception e)
         {
-            Console.WriteLine(e);
+            Log.LogError(e, "Exception while handling message {0}", msg);
         }
     }
 }

AntiAntiSwearingBot/AntiAntiSwearingBot.csproj

@@ -1,8 +1,8 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
+    <SatelliteResourceLanguages>en</SatelliteResourceLanguages>
   </PropertyGroup>
 
   <ItemGroup>
@@ -10,10 +10,18 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Telegram.Bot.Extensions.Polling" Version="2.0.0-alpha.1" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Content Update="appsettings.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Update="secrets.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
   <ItemGroup>
     <None Update="aasb.cfg.json">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>

AntiAntiSwearingBot/Config.cs

@@ -1,29 +1,28 @@
 namespace AntiAntiSwearingBot;
 
-public class Config : ConfigBase
+public class ServiceSettings
 {
-    public string ApiKey { get; private set; }
+    public string Urls { get; set; }
-    public ProxySettings Proxy { get; private set; }
-    public SearchDictionarySettings SearchDictionary { get; private set; }
-    public UnbleeperSettings Unbleeper { get; private set; }
 }
 
-public struct UnbleeperSettings
+public class UnbleeperSettings
 {
-    public string BleepedSwearsRegex { get; private set; }
+    public string BleepedSwearsRegex { get; set; }
-    public int MinAmbiguousWordLength { get; private set; }
+    public int MinAmbiguousWordLength { get; set; }
-    public int MinWordLength { get; private set; }
+    public int MinWordLength { get; set; }
 }
 
-public struct SearchDictionarySettings
+public class SearchDictionarySettings
 {
-    public string DictionaryPath { get; private set; }
+    public string DictionaryPath { get; set; }
 }
 
-public struct ProxySettings
+public class TelegramSettings
 {
-    public string Url { get; private set; }
+    public string ApiKey { get; set; }
-    public int Port { get; private set; }
+    public bool UseProxy { get; set; }
-    public string Login { get; private set; }
+    public string Url { get; set; }
-    public string Password { get; private set; }
+    public int Port { get; set; }
+    public string Login { get; set; }
+    public string Password { get; set; }
 }

AntiAntiSwearingBot/ConfigBase.cs

@@ -1,75 +0,0 @@
-using System.IO;
-using System.Reflection;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-using Newtonsoft.Json.Serialization;
-
-namespace AntiAntiSwearingBot;
-
-public abstract class ConfigBase
-{
-    public static T Load<T>(params string[] paths) where T : ConfigBase, new()
-    {
-        var result = new T();
-        var configJson = new JObject();
-        var mergeSettings = new JsonMergeSettings
-        {
-            MergeArrayHandling = MergeArrayHandling.Union
-        };
-
-        foreach (var path in paths)
-        {
-            try { configJson.Merge(JObject.Parse(File.ReadAllText(path)), mergeSettings);}
-            catch { }
-        }
-
-        using (var sr = configJson.CreateReader())
-        {
-            var settings = new JsonSerializerSettings
-            {
-                ContractResolver = new PrivateSetterContractResolver()
-            };
-            JsonSerializer.CreateDefault(settings).Populate(sr, result);
-        }
-
-        return result;
-    }
-}
-
-public class PrivateSetterContractResolver : DefaultContractResolver
-{
-    protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
-    {
-        var jProperty = base.CreateProperty(member, memberSerialization);
-        if (jProperty.Writable)
-            return jProperty;
-
-        jProperty.Writable = member.IsPropertyWithSetter();
-
-        return jProperty;
-    }
-}
-
-public class PrivateSetterCamelCasePropertyNamesContractResolver : CamelCasePropertyNamesContractResolver
-{
-    protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
-    {
-        var jProperty = base.CreateProperty(member, memberSerialization);
-        if (jProperty.Writable)
-            return jProperty;
-
-        jProperty.Writable = member.IsPropertyWithSetter();
-
-        return jProperty;
-    }
-}
-
-internal static class MemberInfoExtensions
-{
-    internal static bool IsPropertyWithSetter(this MemberInfo member)
-    {
-        var property = member as PropertyInfo;
-
-        return property?.GetSetMethod(true) != null;
-    }
-}

AntiAntiSwearingBot/Extensions/IServiceCollectionExtensions.cs

@@ -0,0 +1,11 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace AntiAntiSwearingBot;
+public static class IServiceCollectionExtensions
+{
+    public static IServiceCollection AddHostedSingleton<TService>(this IServiceCollection isc) where TService : class, IHostedService
+    {
+        return isc.AddSingleton<TService>().AddHostedService(svc => svc.GetRequiredService<TService>());
+    }
+}

AntiAntiSwearingBot/Extensions/ReaderWriterLockSlimExtensions.cs

@@ -0,0 +1,23 @@
+using System.Threading;
+
+namespace AntiAntiSwearingBot;
+
+public readonly ref struct ReadLockToken
+{
+    ReaderWriterLockSlim Lock { get; }
+    public ReadLockToken(ReaderWriterLockSlim l) => (Lock = l).EnterReadLock();
+    public void Dispose() => Lock.ExitReadLock();
+}
+
+public readonly ref struct WriteLockToken
+{
+    ReaderWriterLockSlim Lock { get; }
+    public WriteLockToken(ReaderWriterLockSlim l) => (Lock = l).EnterWriteLock();
+    public void Dispose() => Lock.ExitWriteLock();
+}
+
+public static class ReaderWriterLockSlimExtensions
+{
+    public static ReadLockToken GetReadLockToken(this ReaderWriterLockSlim l) => new ReadLockToken(l);
+    public static WriteLockToken GetWriteLockToken(this ReaderWriterLockSlim l) => new WriteLockToken(l);
+}

AntiAntiSwearingBot/GlobalUsings.cs

@@ -3,3 +3,4 @@ global using System.Text;
 global using System.Linq;
 global using System.Collections.Generic;
 
+global using Microsoft.Extensions.Options;

AntiAntiSwearingBot/Program.cs

@@ -1,31 +1,34 @@
-using System.Threading;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
 using AntiAntiSwearingBot;
 
-static void Log(string m) => Console.WriteLine($"{DateTime.Now:HH:mm:ss.fff}|{m}");
+var builder = WebApplication.CreateBuilder();
 
-Log("AntiAntiSwearBot starting....");
+builder.WebHost.ConfigureAppConfiguration((hostingContext, config) =>
-
-var cfg = Config.Load<Config>("aasb.cfg.json", "aasb.cfg.secret.json");
-var dict = new SearchDictionary(cfg);
-Log($"{dict.Count} words loaded.");
-var bot = new AntiAntiSwearingBot.AntiAntiSwearingBot(cfg, dict);
-bot.Init().Wait();
-Log($"Connected to Telegram as @{bot.Me.Username}");
-Log("AntiAntiSwearBot started! Press Ctrl-C to exit.");
-
-ManualResetEvent quitEvent = new ManualResetEvent(false);
-try
 {
-    Console.CancelKeyPress += (sender, eArgs) => // ctrl-c
+    var env = hostingContext.HostingEnvironment.EnvironmentName;
-    {
+    config.AddJsonFile("secrets.json", optional: true, reloadOnChange: true);
-        eArgs.Cancel = true;
+    config.AddJsonFile($"secrets.{env}.json", optional: true, reloadOnChange: true);
-        quitEvent.Set();
+});
-    };
-}
-catch { }
 
-quitEvent.WaitOne(Timeout.Infinite);
+var cfg = builder.Configuration;
+var svc = builder.Services;
 
-Console.WriteLine("Waiting for exit...");
+svc.Configure<SearchDictionarySettings>(cfg.GetSection("SearchDictionary"));
-dict.Save();
+svc.Configure<TelegramSettings>(cfg.GetSection("Telegram"));
+svc.Configure<UnbleeperSettings>(cfg.GetSection("Unbleeper"));
 
+svc.AddHealthChecks().AddCheck<StartupHealthCheck>("Startup");
+svc.AddHostedSingleton<SearchDictionary>();
+svc.AddSingleton<Unbleeper>();
+svc.AddHostedSingleton<Aasb>();
+
+var app = builder.Build();
+app.UseDeveloperExceptionPage();
+app.UseRouting();
+app.UseEndpoints(cfg =>
+{
+    cfg.MapHealthChecks("/health");
+});
+app.Run();

AntiAntiSwearingBot/Properties/PublishProfiles/FolderProfile.pubxml

@@ -7,9 +7,8 @@ https://go.microsoft.com/fwlink/?LinkID=208121.
     <PublishProtocol>FileSystem</PublishProtocol>
     <Configuration>Release</Configuration>
     <Platform>Any CPU</Platform>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
-    <PublishDir>i:\aasb</PublishDir>
+    <PublishDir>C:\Prog\releases\aasb</PublishDir>
-    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
     <SelfContained>false</SelfContained>
     <_IsPortable>true</_IsPortable>
   </PropertyGroup>

AntiAntiSwearingBot/Properties/launchSettings.json

@@ -0,0 +1,27 @@
+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:50671/",
+      "sslPort": 44398
+    }
+  },
+  "profiles": {
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "AntiAntiSwearingBot": {
+      "commandName": "Project",
+      "launchBrowser": false,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "applicationUrl": "https://localhost:5001;http://localhost:5000"
+    }
+  }
+}

AntiAntiSwearingBot/SearchDictionary.cs

@@ -1,55 +1,73 @@
 using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+using Microsoft.Extensions.Hosting;
 
 namespace AntiAntiSwearingBot;
-public class SearchDictionary
+public class SearchDictionary : BackgroundService
 {
-    public SearchDictionary(Config cfg)
+    public SearchDictionary(IOptionsMonitor<SearchDictionarySettings> cfg)
     {
-        var s = cfg.SearchDictionary;
+        Cfg = cfg;
-        path = s.DictionaryPath;
+        var path = cfg.CurrentValue.DictionaryPath;
-        tmppath = path + ".tmp";
-
         words = File.ReadAllLines(path).ToList();
     }
 
+    IOptionsMonitor<SearchDictionarySettings> Cfg { get; }
+    ReaderWriterLockSlim DictLock = new();
+    List<string> words;
+    bool Changed = false;
+
     public int Count => words.Count;
 
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        try
+        {
+            while (!stoppingToken.IsCancellationRequested)
+            {
+                await Task.Delay(TimeSpan.FromMinutes(1), stoppingToken);
+                if (Changed) Save();
+            }
+        }
+        finally
+        {
+            Save();
+        }
+    }
+
     public void Save()
     {
-        if (File.Exists(tmppath))
+        using var guard = DictLock.GetWriteLockToken();
-            File.Delete(tmppath);
+        Changed = false;
+
+        var path = Cfg.CurrentValue.DictionaryPath;
+        var tmppath = path + ".tmp";
+
         File.WriteAllLines(tmppath, words);
-        if (File.Exists(path))
+        File.Move(tmppath, path, overwrite: true);
-            File.Delete(path);
-        File.Move(tmppath, path);
     }
 
-    public struct WordMatch
+    public record struct WordMatch (string Word, int Distance, int Rating);
-    {
-        public string Word;
-        public int Distance;
-        public int Rating;
-    }
 
     public WordMatch Match(string pattern)
         => AllMatches(pattern).First();
 
     public IEnumerable<WordMatch> AllMatches(string pattern)
     {
-        lock (SyncRoot)
+        using var guard = DictLock.GetReadLockToken();
-        {
-            pattern = pattern.ToLowerInvariant();
         return words
-                .Select((w, i) => new WordMatch { Word = w, Distance = Language.LevenshteinDistance(pattern, w), Rating = i })
+            .Select((w, i) => new WordMatch(w, Language.LevenshteinDistance(pattern.ToLowerInvariant(), w), i))
             .OrderBy(m => m.Distance)
             .ThenBy(m => m.Rating);
     }
-    }
 
     public bool Learn(string word)
     {
-        lock (SyncRoot)
+        using var guard = DictLock.GetWriteLockToken();
-        {
+        Changed = true;
+
         int index = words.IndexOf(word);
         if (index > 0)
         {
@@ -62,20 +80,12 @@ public class SearchDictionary
             return true;
         }
     }
-    }
 
     public bool Unlearn(string word)
     {
-        lock (SyncRoot)
+        using var guard = DictLock.GetWriteLockToken();
+        Changed = true;
         return words.Remove(word);
     }
 
-    #region service
-
-    readonly string path, tmppath;
-
-    object SyncRoot = new object();
-    List<string> words;
-
-    #endregion
 }

AntiAntiSwearingBot/StartupHealthCheck.cs

@@ -0,0 +1,24 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+
+namespace AntiAntiSwearingBot;
+public class StartupHealthCheck : IHealthCheck
+{
+    Aasb Bot { get; }
+
+    public StartupHealthCheck(Aasb bot)
+    {
+        Bot = bot;
+    }
+
+    public Task<HealthCheckResult> CheckHealthAsync(
+        HealthCheckContext context, CancellationToken cancellationToken = default)
+    {
+        if (Bot.Started)
+            return Task.FromResult(HealthCheckResult.Healthy("The startup task has completed."));
+        else
+            return Task.FromResult(HealthCheckResult.Unhealthy("That startup task is still running."));
+    }
+}

AntiAntiSwearingBot/Unbleeper.cs

@@ -7,10 +7,10 @@ public class Unbleeper
     SearchDictionary Dict { get; }
     UnbleeperSettings Cfg { get; }
 
-    public Unbleeper(SearchDictionary dict, UnbleeperSettings cfg)
+    public Unbleeper(SearchDictionary dict, IOptions<UnbleeperSettings> cfg)
     {
         Dict = dict;
-        Cfg = cfg;
+        Cfg = cfg.Value;
         BleepedSwearsRegex = new Regex("^" + Cfg.BleepedSwearsRegex + "$", RegexOptions.Compiled);
     }
 
@@ -41,8 +41,9 @@ public class Unbleeper
                 )
             .ToArray();
 
-        if (candidates.Any())
+        if (!candidates.Any())
-        {
+            return null;
+
         var response = new StringBuilder();
         for (int i = 0; i < candidates.Length; ++i)
         {
@@ -51,7 +52,4 @@ public class Unbleeper
         }
         return response.ToString();
     }
-        else
-            return null;
-    }
 }

AntiAntiSwearingBot/appsettings.json

@@ -1,4 +1,11 @@
 {
+  "Kestrel": {
+    "Endpoints": {
+      "Http": {
+        "Url": "http://localhost:9999"
+      }
+    }
+  },
   "Unbleeper": {
     "BleepedSwearsRegex": "[а-яА-ЯёЁ@\\*#]+",
     "MinWordLength": 3,
@@ -6,5 +13,8 @@
   },
   "SearchDictionary": {
     "DictionaryPath": "dict/ObsceneDictionaryRu.txt"
+  },
+  "Telegram": {
+    "UseProxy": false
   }
 }