Add /leaderboard command

JetKarmaBot/Commands/LeaderboardCommand.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Perfusion;
+using Telegram.Bot;
+using Telegram.Bot.Args;
+using Telegram.Bot.Types;
+using JetKarmaBot.Models;
+using JetKarmaBot.Services;
+
+namespace JetKarmaBot.Commands
+{
+    class LeaderboardCommand : IChatCommand
+    {
+        public IReadOnlyCollection<string> Names => new[] { "leaderboard" };
+
+        public bool Execute(CommandString cmd, MessageEventArgs args)
+        {
+            using (var db = Db.GetContext())
+            {
+                var currentLocale = Locale[db.Chats.Find(args.Message.Chat.Id).Locale];
+                var asker = args.Message.From;
+                var awardTypeName = cmd.Parameters.FirstOrDefault();
+
+                string response;
+
+                if (string.IsNullOrWhiteSpace(awardTypeName))
+                    response = currentLocale["jetkarmabot.leaderboard.noallawardtypes"];
+                else
+                {
+                    var awardTypeIdQuery = from awt in db.AwardTypes
+                                           where awt.CommandName == awardTypeName
+                                           select awt.AwardTypeId;
+                    var awardTypeId = awardTypeIdQuery.First();
+                    var awardType = db.AwardTypes.Find(awardTypeId);
+
+                    response = string.Format(currentLocale["jetkarmabot.leaderboard.specifictext"], awardType.Symbol) + "\n" + string.Join(' ', db.Awards
+                            .Where(x => x.ChatId == args.Message.Chat.Id && x.AwardTypeId == awardTypeId)
+                            .GroupBy(x => x.ToId)
+                            .Select(x => new {UserId = x.Key, Amount = x.Sum(y => y.Amount)})
+                            .OrderByDescending(x => x.Amount)
+                            .Take(5)
+                            .ToList()
+                            .Select((x,index) => $"{index+1}. {db.Users.Find(x.UserId).Username} - {x.Amount}"));
+                }
+
+                Client.SendTextMessageAsync(
+                    args.Message.Chat.Id,
+                    response,
+                    replyToMessageId: args.Message.MessageId);
+                return true;
+            }
+        }
+
+        [Inject] KarmaContextFactory Db { get; set; }
+        [Inject] TelegramBotClient Client { get; set; }
+        [Inject] Localization Locale { get; set; }
+
+        public string Description => "Shows the people with the most of a specific award.";
+        public string DescriptionID => "jetkarmabot.leaderboard.help";
+
+        public IReadOnlyCollection<ChatCommandArgument> Arguments => new ChatCommandArgument[] {
+            new ChatCommandArgument() {
+                Name="awardtype",
+                Required=true,
+                Type=ChatCommandArgumentType.String,
+                Description="The awardtype to show a leaderboard for.",
+                DescriptionID= "jetkarmabot.leaderboard.awardtypehelp"
+            }
+        };
+    }
+}

JetKarmaBot/JetKarmaBot.cs

@@ -58,10 +58,10 @@ namespace JetKarmaBot
             using (KarmaContext db = Db.GetContext())
             {
                 if (!db.Users.Any(x => x.UserId == messageEventArgs.Message.From.Id))
-                    db.Users.Add(new Models.User { UserId = messageEventArgs.Message.From.Id });
+                    db.Users.Add(new Models.User { UserId = messageEventArgs.Message.From.Id, Username = messageEventArgs.Message.From.Username});
                 if (messageEventArgs.Message.ReplyToMessage != null)
                     if (!db.Users.Any(x => x.UserId == messageEventArgs.Message.ReplyToMessage.From.Id))
-                        db.Users.Add(new Models.User { UserId = messageEventArgs.Message.ReplyToMessage.From.Id });
+                        db.Users.Add(new Models.User { UserId = messageEventArgs.Message.ReplyToMessage.From.Id, Username = messageEventArgs.Message.ReplyToMessage.From.Username });
                 if (!db.Chats.Any(x => x.ChatId == messageEventArgs.Message.Chat.Id))
                     db.Chats.Add(new Models.Chat { ChatId = messageEventArgs.Message.Chat.Id });
                 db.SaveChanges();
@@ -80,6 +80,7 @@ namespace JetKarmaBot
             Commands.Add(c.ResolveObject(new StatusCommand()));
             Commands.Add(c.ResolveObject(new LocaleCommand()));
             Commands.Add(c.ResolveObject(new CurrenciesCommand()));
+            Commands.Add(c.ResolveObject(new LeaderboardCommand()));
         }
 
         #endregion

JetKarmaBot/lang/be-BY.json

@@ -33,6 +33,10 @@
         "jetkarmabot.help.commandhelp": "Каманда, да якой трэба паказаць інструкцыю. Калі пуста, то паказваецца спіс каманд.",
         "jetkarmabot.currencies.help": "Паказвае ўсе тыпы узнагарод",
         "jetkarmabot.currencies.listtext": "Тыпы узнагарод:",
+        "jetkarmabot.leaderboard.help": "<todo>",
+        "jetkarmabot.leaderboard.awardtypehelp": "<todo>",
+        "jetkarmabot.leaderboard.noallawardtypes": "<todo>",
+        "jetkarmabot.leaderboard.specifictext": "<todo>",
         "jetkarmabot.awardtypes.nominative.star": "зорачка",
         "jetkarmabot.awardtypes.nominative.pie": "з паліцы піражок",
         "jetkarmabot.awardtypes.nominative.dream": "мара",
@@ -46,4 +50,4 @@
         "jetkarmabot.awardtypes.accusative.determination": "DETERMINATION",
         "jetkarmabot.awardtypes.accusative.raisin": "разыначкі"
     }
-}
+}

JetKarmaBot/lang/en-US.json

@@ -32,6 +32,10 @@
     "jetkarmabot.help.commandhelp": "The command to return help text for. If empty shows all commands.",
     "jetkarmabot.currencies.help": "Shows all award types",
     "jetkarmabot.currencies.listtext": "Award types:",
+    "jetkarmabot.leaderboard.help": "Shows the people with the most of a specific award.",
+    "jetkarmabot.leaderboard.awardtypehelp": "The awardtype to show a leaderboard for.",
+    "jetkarmabot.leaderboard.noallawardtypes": "Sorry, but leaderboards for all award types are not implemented yet.",
+    "jetkarmabot.leaderboard.specifictext": "Leaderboard for {0}:",
     "jetkarmabot.awardtypes.nominative.star": "star",
     "jetkarmabot.awardtypes.nominative.pie": "pie from the shelf",
     "jetkarmabot.awardtypes.nominative.dream": "dream",
@@ -45,4 +49,4 @@
     "jetkarmabot.awardtypes.accusative.determination": "DETERMINATION",
     "jetkarmabot.awardtypes.accusative.raisin": "raisin"
   }
-}
+}

JetKarmaBot/lang/ru-RU.json

@@ -32,6 +32,10 @@
     "jetkarmabot.help.commandhelp": "Команда, к которой нужно показать инструкцию. Если пусто, то показывается список команд.",
     "jetkarmabot.currencies.help": "Показывает все типы наград",
     "jetkarmabot.currencies.listtext": "Типы наград:",
+    "jetkarmabot.leaderboard.help": "<todo>",
+    "jetkarmabot.leaderboard.awardtypehelp": "<todo>",
+    "jetkarmabot.leaderboard.noallawardtypes": "<todo>",
+    "jetkarmabot.leaderboard.specifictext": "<todo>",
     "jetkarmabot.awardtypes.nominative.star": "звездочка",
     "jetkarmabot.awardtypes.nominative.pie": "с полки пирожок",
     "jetkarmabot.awardtypes.nominative.dream": "мечта",
@@ -45,4 +49,4 @@
     "jetkarmabot.awardtypes.accusative.determination": "РЕШИТЕЛЬНОСТЬ",
     "jetkarmabot.awardtypes.accusative.raisin": "изюм"
   }
-}
+}