Simplify subscribe command (#11)

Reviewed-on: #11
Co-authored-by: Sergey Nazarov <insight.appdev@gmail.com>
Co-committed-by: Sergey Nazarov <insight.appdev@gmail.com>

src/Nocr.TelegramClient.AppServices/Bots/NocrCallbackData.cs

@@ -39,4 +39,9 @@ public class NocrCallbackData : CallbackData<NocrState>
     {
         return new NocrCallbackData(NocrState.Feedback);
     }
+
+    public static NocrCallbackData AddSubscription()
+    {
+        return new NocrCallbackData(NocrState.AddSubscription);
+    }
 }

src/Nocr.TelegramClient.AppServices/Bots/NocrState.cs

@@ -9,6 +9,7 @@ public enum NocrState
 
     // States
     Start,
+    AddSubscription,
     ViewSubscription,
-    Feedback
+    Feedback,
 }

src/Nocr.TelegramClient.AppServices/Handlers/BaseHandlers/StartHandlerBase.cs

@@ -58,6 +58,11 @@ public abstract class StartHandlerBase
     {
         var markup = new VerticalKeyboardMarkup();
 
+        markup.Add(new InlineKeyboardButton(Localizer.Get(nameof(StartHandlerBase), "AddSubscriptionButton"))
+        {
+            CallbackData = NocrCallbackData.AddSubscription().ToString()
+        });
+        
         markup.Add(new InlineKeyboardButton(Localizer.Get(nameof(StartHandlerBase), "SubscriptionsButton"))
         {
             CallbackData = NocrCallbackData.ViewSubscription().ToString()

src/Nocr.TelegramClient.AppServices/Handlers/CallbackQueries/AddSubscription/FeedbackHandler.cs

@@ -0,0 +1,47 @@
+using Insight.Localizer;
+using Insight.TelegramBot;
+using Insight.TelegramBot.Handling.Handlers;
+using Insight.TelegramBot.Handling.Matchers.CallbackQueryMatchers;
+using Insight.TelegramBot.Models;
+using Microsoft.Extensions.Logging;
+using Nocr.TelegramClient.AppServices.Bots;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.ReplyMarkups;
+
+namespace Nocr.TelegramClient.AppServices.Handlers.CallbackQueries.Feedback;
+
+public class AddSubscriptionMatcher : StateCallbackQueryMatcher<NocrState>
+{
+    public AddSubscriptionMatcher()
+    {
+        ExpectingState = NocrState.AddSubscription;
+    }
+}
+
+public class AddSubscriptionHandler : IMatchingUpdateHandler<AddSubscriptionMatcher>
+{
+    private readonly ILogger<AddSubscriptionHandler> _logger;
+    private readonly ILocalizer _localizer;
+    private readonly IBot _bot;
+
+    public AddSubscriptionHandler(ILogger<AddSubscriptionHandler> logger, ILocalizer localizer, IBot bot)
+    {
+        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+        _localizer = localizer ?? throw new ArgumentNullException(nameof(localizer));
+        _bot = bot ?? throw new ArgumentNullException(nameof(bot));
+    }
+
+    public Task Handle(Update update, CancellationToken cancellationToken = default)
+    {
+        var message = new TextMessage(update.CallbackQuery.Message.Chat.Id)
+        {
+            Text = _localizer.Get(nameof(AddSubscriptionHandler), "Text"),
+            ReplyMarkup = new InlineKeyboardMarkup(new InlineKeyboardButton(_localizer.Get("buttons", "back"))
+            {
+                CallbackData = NocrCallbackData.Start().ToString()
+            })
+        };
+
+        return _bot.EditOrSendTextMessage(update.CallbackQuery.Message.MessageId, message, _logger, cancellationToken);
+    }
+}

src/Nocr.TelegramClient.AppServices/Handlers/Messages/SubscribeMessage/SubscribeMessageHandler.cs

@@ -22,7 +22,7 @@ public class SubscribeMessageHandler : ViewSubscriptionHandlerBase, IMatchingUpd
     /// For instance, "/subscribe @baraholka 1 обувь ботинки сапоги" will create match for a current user with type "All" and pattern "обувь ботинки сапоги".
     /// </summary>
     private static Regex _commandRegex =
-        new Regex(@"/subscribe (.*\B@(?=\w{5,32}\b)[a-zA-Z0-9]+(?:_[a-zA-Z0-9]+)*.*) (\d{1}) (.*)",
+        new Regex(@"^/subscribe (.*\B@(?=\w{5,32}\b)[a-zA-Z0-9]+(?:_[a-zA-Z0-9]+)*.*) (.{3,})$",
             RegexOptions.Compiled);
 
     public SubscribeMessageHandler(
@@ -38,7 +38,7 @@ public class SubscribeMessageHandler : ViewSubscriptionHandlerBase, IMatchingUpd
 
     public async Task Handle(Update update, CancellationToken cancellationToken = default)
     {
-        var receiverId = update.Message.From.Id;
+        var receiverId = update.Message.Chat.Id;
 
         var match = _commandRegex.Match(update.Message.Text);
         if (!match.Success)
@@ -51,16 +51,9 @@ public class SubscribeMessageHandler : ViewSubscriptionHandlerBase, IMatchingUpd
         }
 
         var username = match.Groups[1].Value.TrimStart('@');
-        if (!Enum.TryParse<TextSubscriptionRule>(match.Groups[2].Value, true, out var rule))
-        {
-            MessageQueue.Enqueue(new TextMessage(receiverId)
-            {
-                Text = Localizer.Get(nameof(SubscribeMessageHandler), "WrongSubscriptionType")
-            });
-            return;
-        }
-
-        var template = match.Groups[3].Value;
+        var template = match.Groups[2].Value;
+        // note(nazarovsa): Temporary for simplify usage
+        var rule = TextSubscriptionRule.Full;
 
         var user = await UsersService.GetOrCreate(receiverId, update.Message.From.Username, cancellationToken);
         var subscriptionId = await SubscriptionsController.Create(new CreateTextSubscriptionRequest

src/Nocr.TelegramClient.Host/Resources/Handlers/TelegramHandlers/Base/StartHandlerBase/StartHandlerBase.ru-ru.json

@@ -1,6 +1,7 @@
 {
   "Text": "Привет! Я, Nocr 🤖!",
   
+  "AddSubscriptionButton": "Создать подписку ➕",
   "SubscriptionsButton": "Подписки 📩",
   "FeedbackButton": "Оставить отзыв 🙋‍"
 }

src/Nocr.TelegramClient.Host/Resources/Handlers/TelegramHandlers/CallbackQueries/AddSubscription/AddSubscriptionHandler.ru-ru.json

@@ -0,0 +1,3 @@
+{
+  "Text": "Чтобы добавить подписку пришлите команду в формате `/subscribe @chat_username ключевое_слово`. Ключевое слово должно быть длиннее 2 символов. \n\nНапример, `/subscribe @MyGreatChannel macbook`."
+}

src/Nocr.TelegramClient.Host/appsettings.json

@@ -25,10 +25,10 @@
   },
   "AdministrationOptions": {
     "FeedbackReceiverIds": [
-      -4202454237
+      -1002085899956
     ],
     "UpdateReceiverIds": [
-      -4202454237
+      -1002085899956
     ]
   }
 }