Add language chooser feature to chats

JetKarmaBot/Commands/AwardCommand.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using Telegram.Bot;
@@ -14,9 +14,10 @@ namespace JetKarmaBot.Commands
 
         public bool Execute(CommandString cmd, MessageEventArgs args)
         {
+            var currentLocale = Locale[Db.Chats[args.Message.Chat.Id].Locale];
             if (args.Message.ReplyToMessage == null)
             {
-                Client.SendTextMessageAsync(args.Message.Chat.Id, Locale["jetkarmabot.award.errawardnoreply", "en-US"]);
+                Client.SendTextMessageAsync(args.Message.Chat.Id, currentLocale["jetkarmabot.award.errawardnoreply"]);
                 return true;
             }
 
@@ -29,7 +30,7 @@ namespace JetKarmaBot.Commands
             {
                 Client.SendTextMessageAsync(
                     args.Message.Chat.Id,
-                    Locale["jetkarmabot.award.errawardself", "en-US"],
+                    currentLocale["jetkarmabot.award.errawardself"],
                     replyToMessageId: args.Message.MessageId);
                 return true;
             }
@@ -39,8 +40,8 @@ namespace JetKarmaBot.Commands
                 Client.SendTextMessageAsync(
                     args.Message.Chat.Id,
                     awarding
-                    ? Locale["jetkarmabot.award.errawardbot", "en-US"]
+                    ? currentLocale["jetkarmabot.award.errawardbot"]
-                    : Locale["jetkarmabot.award.errrevokebot", "en-US"],
+                    : currentLocale["jetkarmabot.award.errrevokebot"],
                     replyToMessageId: args.Message.MessageId);
                 return true;
             }
@@ -52,10 +53,10 @@ namespace JetKarmaBot.Commands
             Db.AddAward(awardTypeId, awarder.Id, recipient.Id, args.Message.Chat.Id, awarding ? 1 : -1);
 
             string message = awarding
-                ? string.Format(Locale["jetkarmabot.award.awardmessage", "en-US"], awardType.Name, "@" + recipient.Username)
+                ? string.Format(currentLocale["jetkarmabot.award.awardmessage"], awardType.Name, "@" + recipient.Username)
-                : string.Format(Locale["jetkarmabot.award.revokemessage", "en-US"], awardType.Name, "@" + recipient.Username);
+                : string.Format(currentLocale["jetkarmabot.award.revokemessage"], awardType.Name, "@" + recipient.Username);
 
-            var response = message + "\n" + String.Format(Locale["jetkarmabot.award.statustext", "en-US"], "@" + recipient.Username, Db.CountUserAwards(recipient.Id, awardTypeId), awardType.Symbol);
+            var response = message + "\n" + String.Format(currentLocale["jetkarmabot.award.statustext"], "@" + recipient.Username, Db.CountUserAwards(recipient.Id, awardTypeId), awardType.Symbol);
 
             Client.SendTextMessageAsync(
                 args.Message.Chat.Id,

JetKarmaBot/Commands/ChangeLanguageCommand.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Telegram.Bot;
+using Telegram.Bot.Args;
+using Telegram.Bot.Types;
+using Perfusion;
+
+namespace JetKarmaBot.Commands
+{
+    class ChangeLanguageCommand : IChatCommand
+    {
+        public IReadOnlyCollection<string> Names => new[] { "changelanguage", "lang" };
+
+        public bool Execute(CommandString cmd, MessageEventArgs args)
+        {
+            var currentLocale = Locale[Db.Chats[args.Message.Chat.Id].Locale];
+            if (cmd.Parameters.Length < 1)
+            {
+                Client.SendTextMessageAsync(
+                    args.Message.Chat.Id,
+                    currentLocale["jetkarmabot.changelanguage.noparams"],
+                    replyToMessageId: args.Message.MessageId);
+                return true;
+            }
+            Db.ChangeChatLocale(Db.Chats[args.Message.Chat.Id], cmd.Parameters[0]);
+            currentLocale = Locale[Db.Chats[args.Message.Chat.Id].Locale];
+            Client.SendTextMessageAsync(
+                    args.Message.Chat.Id,
+                    currentLocale["jetkarmabot.changelanguage.justchanged"],
+                    replyToMessageId: args.Message.MessageId);
+            return true;
+        }
+
+        [Inject(true)] Db Db { get; set; }
+        [Inject(true)] TelegramBotClient Client { get; set; }
+        [Inject(true)] Localization Locale { get; set; }
+    }
+}

JetKarmaBot/Commands/StatusCommand.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Collections.Generic;
 using System.Text;
@@ -15,6 +15,7 @@ namespace JetKarmaBot.Commands
 
         public bool Execute(CommandString cmd, MessageEventArgs args)
         {
+            var currentLocale = Locale[Db.Chats[args.Message.Chat.Id].Locale];
             var asker = args.Message.From;
             var awardTypeName = cmd.Parameters.FirstOrDefault();
 
@@ -24,7 +25,7 @@ namespace JetKarmaBot.Commands
             {
                 var awards = Db.CountAllUserAwards(asker.Id);
 
-                response = Locale["jetkarmabot.status.listalltext", "en-US"] + "\n"
+                response = currentLocale["jetkarmabot.status.listalltext"] + "\n"
                      + string.Join("\n", awards.Select(a => $" - {Db.AwardTypes[a.AwardTypeId].Symbol} {a.Amount}"));
 
             }
@@ -33,7 +34,7 @@ namespace JetKarmaBot.Commands
                 var awardTypeId = Db.GetAwardTypeId(cmd.Parameters.FirstOrDefault());
                 var awardType = Db.AwardTypes[awardTypeId];
 
-                response = string.Format(Locale["jetkarmabot.status.listspecifictext", "en-US"], Db.CountUserAwards(asker.Id, awardTypeId), awardType.Symbol);
+                response = string.Format(currentLocale["jetkarmabot.status.listspecifictext"], Db.CountUserAwards(asker.Id, awardTypeId), awardType.Symbol);
             }
 
             Client.SendTextMessageAsync(

JetKarmaBot/JetKarmaBot.cs

@@ -1,4 +1,4 @@
-using JetKarmaBot.Commands;
+using JetKarmaBot.Commands;
 using Perfusion;
 using System;
 using System.Net;
@@ -63,6 +63,7 @@ namespace JetKarmaBot
             Commands.Add(c.ResolveObject(new StartCommand()));
             Commands.Add(c.ResolveObject(new AwardCommand(Me)));
             Commands.Add(c.ResolveObject(new StatusCommand()));
+            Commands.Add(c.ResolveObject(new ChangeLanguageCommand()));
         }
 
         #endregion

JetKarmaBot/Services/Db.cs

@@ -18,9 +18,9 @@ namespace JetKarmaBot
                 if (!m_Chats.ContainsKey(chat.ChatId))
                 {
                     Conn.Execute(@"INSERT INTO chat
-                            (chatid)
+                            (chatid,locale)
                             VALUES
-                            (@ChatId)",
+                            (@ChatId,@Locale)",
                         chat);
                     m_Chats.Add(chat.ChatId, chat);
                 }
@@ -55,6 +55,18 @@ namespace JetKarmaBot
                 ) ?? 0;
         }
 
+        public void ChangeChatLocale(Chat chat, string locale)
+        {
+            lock (m_SyncRoot)
+            {
+                chat.Locale = locale;
+                Conn.Execute(@"UPDATE chat
+                            SET locale=@Locale
+                            WHERE chatid=@ChatID",
+                    chat);
+            }
+        }
+
         public struct UserAwardsReport
         {
             public int Amount { get; private set; }
@@ -74,15 +86,12 @@ namespace JetKarmaBot
                 );
         }
 
-
+        public byte GetAwardTypeId(string name) => AwardTypesByCommandName.GetOrDefault(name)?.AwardTypeId ?? DefaultAwardTypeId;
-
-        public byte GetAwardTypeId(string name)
-            => AwardTypesByCommandName.GetOrDefault(name)?.AwardTypeId ?? DefaultAwardTypeId;
 
         public bool AddAward(byte awardTypeId, long fromId, long toId, long chatId, int amount)
         {
             AddChat(new Chat() { ChatId = chatId });
-            AddUser(new User() {  UserId = fromId});
+            AddUser(new User() { UserId = fromId });
             AddUser(new User() { UserId = toId });
 
             int affected = Conn.ExecuteScalar<int>(
@@ -98,6 +107,7 @@ namespace JetKarmaBot
         public class Chat
         {
             public long ChatId { get; set; }
+            public string Locale { get; set; }
         }
 
         public class User
@@ -151,6 +161,6 @@ namespace JetKarmaBot
         }
         #endregion
 
-        void Log (string Message) => Console.WriteLine($"[{nameof(Db)}]: {Message}");
+        void Log(string Message) => Console.WriteLine($"[{nameof(Db)}]: {Message}");
     }
 }

JetKarmaBot/Services/Localization.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Data;
 using System.IO;
@@ -31,24 +32,34 @@ namespace JetKarmaBot
             Log("Initialized!");
         }
 
-        public string this[string name, string locale]
+        public Locale this[string locale]
         {
-            get => GetString(name, locale);
+            get => new Locale(locales[locale], locale);
         }
-        public string GetString(string name, string locale)
+        void Log(string Message) => Console.WriteLine($"[{nameof(Localization)}]: {Message}");
+        public class Locale
         {
-            if (!locales[locale].ContainsKey(name))
+            private Dictionary<string, string> locale;
+            private string localeName;
+            public Locale(Dictionary<string, string> locale, string localeName)
+            {
+                this.locale = locale;
+                this.localeName = localeName;
+            }
+            public string this[string name]
+            {
+                get
+                {
+                    if (!locale.ContainsKey(name))
                     {
-                Log(name + " doesn't exist in this localization");
-                locales[locale][name] = "unknown";
-                File.WriteAllText("lang/" + locale + ".json", JObject.FromObject(locales[locale]).ToString());
                         return "unknown";
                     }
                     else
                     {
-                return locales[locale][name];
+                        return locale[name];
+                    }
+                }
             }
         }
-        void Log(string Message) => Console.WriteLine($"[{nameof(Localization)}]: {Message}");
     }
 }

JetKarmaBot/lang/en-US.json

@@ -7,5 +7,7 @@
   "jetkarmabot.award.revokemessage": "Revoked a {0} from {1}!",
   "jetkarmabot.award.statustext": "{0} is at {1}{2} now.",
   "jetkarmabot.status.listalltext": "Your badges report:",
-  "jetkarmabot.status.listspecifictext": "You are at {0}{1} now."
+  "jetkarmabot.status.listspecifictext": "You are at {0}{1} now.",
+  "jetkarmabot.changelanguage.noparams": "Sorry, but I don't speak the null language.",
+  "jetkarmabot.changelanguage.justchanged": "good"
 }

JetKarmaBot/lang/ru-RU.json

@@ -7,5 +7,7 @@
   "jetkarmabot.award.revokemessage": "Отнял \"{0}\" у {1}!",
   "jetkarmabot.award.statustext": "У {0} теперь {1}{2}.",
   "jetkarmabot.status.listalltext": "У вас :",
-  "jetkarmabot.status.listspecifictext": "У вас сейчас {0}{1}."
+  "jetkarmabot.status.listspecifictext": "У вас сейчас {0}{1}.",
+  "jetkarmabot.changelanguage.noparams": "Простите, но я не могу говорить на нуллевом языке.",
+  "jetkarmabot.changelanguage.justchanged": "хорошо"
 }