Implement some bot stats

CompatBot/Commands/CustomBaseCommand.cs → CompatBot/Commands/BaseCommandModuleCustom.cs

@@ -1,16 +1,23 @@
-using System.Linq;
+using System;
+using System.Linq;
 using System.Threading.Tasks;
 using CompatBot.Commands.Attributes;
 using CompatBot.Database.Providers;
 using CompatBot.Utils;
 using DSharpPlus.CommandsNext;
 using DSharpPlus.CommandsNext.Attributes;
 using DSharpPlus.Entities;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace CompatBot.Commands
 {
     internal class BaseCommandModuleCustom : BaseCommandModule
     {
+        internal static readonly TimeSpan CacheTime = TimeSpan.FromDays(1);
+        protected static readonly MemoryCache CmdStatCache = new MemoryCache(new MemoryCacheOptions{ExpirationScanFrequency = TimeSpan.FromDays(1)});
+        internal static readonly MemoryCache ExplainStatCache = new MemoryCache(new MemoryCacheOptions{ExpirationScanFrequency = TimeSpan.FromDays(1)});
+        internal static readonly MemoryCache GameStatCache = new MemoryCache(new MemoryCacheOptions{ExpirationScanFrequency = TimeSpan.FromDays(1)});
+
         public override async Task BeforeExecutionAsync(CommandContext ctx)
         {
             var disabledCmds = DisabledCommandsProvider.Get();
@@ -28,6 +35,10 @@ public override async Task BeforeExecutionAsync(CommandContext ctx)
 
         public override async Task AfterExecutionAsync(CommandContext ctx)
         {
+            var qualifiedName = ctx.Command.QualifiedName;
+            CmdStatCache.TryGetValue(qualifiedName, out int counter);
+            CmdStatCache.Set(qualifiedName, ++counter, CacheTime);
+
             if (TriggersTyping(ctx))
                 await ctx.RemoveReactionAsync(Config.Reactions.PleaseWait).ConfigureAwait(false);
 

CompatBot/Commands/CompatList.cs

@@ -18,6 +18,7 @@
 using DSharpPlus.Entities;
 using DSharpPlus.Interactivity;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace CompatBot.Commands
 {
@@ -283,11 +284,20 @@ private IEnumerable<string> FormatSearchResults(CommandContext ctx, CompatResult
                 if (returnCode.displayResults)
                 {
                     var sortedList = compatResult.GetSortedList();
+                    var searchTerm = request.search ?? @"¯\_(ツ)_/¯";
+                    var searchHits = sortedList.Where(t => t.score > 0.5
+                                                           || (t.info.Title?.StartsWith(searchTerm, StringComparison.InvariantCultureIgnoreCase) ?? false)
+                                                           || (t.info.AlternativeTitle?.StartsWith(searchTerm, StringComparison.InvariantCultureIgnoreCase) ?? false));
+                    foreach (var title in searchHits.Select(t => t.info?.Title).Distinct())
+                    {
+                        GameStatCache.TryGetValue(title, out int stat);
+                        GameStatCache.Set(title, ++stat, CacheTime);
+                    }
                     foreach (var resultInfo in sortedList.Take(request.amountRequested))
                     {
                         var info = resultInfo.AsString();
 #if DEBUG
-                        info = $"`{CompatApiResultUtils.GetScore(request.search, resultInfo.Value):0.000000}` {info}";
+                        info = $"`{CompatApiResultUtils.GetScore(request.search, resultInfo.info):0.000000}` {info}";
 #endif
                         result.AppendLine(info);
                     }

CompatBot/Commands/EventsBaseCommand.cs

@@ -443,6 +443,7 @@ private static string FixTimeString(string dateTime)
                 .Replace("PST", "-08:00")
                 .Replace("EST", "-05:00")
                 .Replace("BST", "-03:00")
+                .Replace("JST", "+09:00")
                 .Replace("AEST", "+10:00");
         }
 
@@ -484,13 +485,13 @@ private static string FormatCountdown(TimeSpan timeSpan)
             var days = (int)timeSpan.TotalDays;
             if (days > 0)
                 timeSpan -= TimeSpan.FromDays(days);
-            var hours = (int) timeSpan.TotalHours;
+            var hours = (int)timeSpan.TotalHours;
             if (hours > 0)
                 timeSpan -= TimeSpan.FromHours(hours);
-            var mins = (int) timeSpan.TotalMinutes;
+            var mins = (int)timeSpan.TotalMinutes;
             if (mins > 0)
                 timeSpan -= TimeSpan.FromMinutes(mins);
-            var secs = (int) timeSpan.TotalSeconds;
+            var secs = (int)timeSpan.TotalSeconds;
             if (days > 0)
                 result += $"{days} day{(days == 1 ? "" : "s")} ";
             if (hours > 0 || days > 0)

CompatBot/Commands/Explain.cs

@@ -16,6 +16,7 @@
 using DSharpPlus.Entities;
 using DSharpPlus.Interactivity;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace CompatBot.Commands
 {
@@ -104,6 +105,8 @@ public async Task ShowExplanation(CommandContext ctx, [RemainingText, Descriptio
                     }
 
                     var explain = result.explanation;
+                    ExplainStatCache.TryGetValue(explain.Keyword, out int stat);
+                    ExplainStatCache.Set(explain.Keyword, ++stat, CacheTime);
                     await ctx.Channel.SendMessageAsync(explain.Text, explain.Attachment, explain.AttachmentFilename).ConfigureAwait(false);
                     return;
                 }

CompatBot/Commands/Misc.cs

@@ -6,10 +6,14 @@
 using System.Threading.Tasks;
 using CompatApiClient.Utils;
 using CompatBot.Commands.Attributes;
+using CompatBot.Database;
+using CompatBot.EventHandlers;
 using CompatBot.Utils;
+using CompatBot.Utils.ResultFormatters;
 using DSharpPlus.CommandsNext;
 using DSharpPlus.CommandsNext.Attributes;
 using DSharpPlus.Entities;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace CompatBot.Commands
 {
@@ -332,15 +336,126 @@ void MakeCustomRoleRating(DiscordMember m)
             }
         }
 
-        [Command("stats"), RequiresBotModRole]
+        [Command("stats"), Cooldown(1, 10, CooldownBucketType.Global)]
         [Description("Use to look at various runtime stats")]
         public async Task Stats(CommandContext ctx)
         {
-            var result = new StringBuilder("```")
-                .AppendLine($"Current uptime   : {Config.Uptime.Elapsed}")
-                .AppendLine($"Github rate limit: {GithubClient.Client.RateLimitRemaining} out of {GithubClient.Client.RateLimit}, will be reset on {GithubClient.Client.RateLimitResetTime:u}")
-                .Append("```");
-            await ctx.SendAutosplitMessageAsync(result).ConfigureAwait(false);
+            var embed = new DiscordEmbedBuilder
+            {
+/*
+                Title = "Some bot stats",
+                Description = "Most stats are for the current run only, and are not persistent",
+*/
+                Color = DiscordColor.Purple,
+            }
+                .AddField("Current uptime", Config.Uptime.Elapsed.AsShortTimespan(), true)
+                .AddField("Discord latency", $"{ctx.Client.Ping} ms", true)
+                .AddField("GitHub rate limit", $"{GithubClient.Client.RateLimitRemaining} out of {GithubClient.Client.RateLimit} calls available\nReset in {(GithubClient.Client.RateLimitResetTime - DateTime.UtcNow).AsShortTimespan()}", true)
+                .AddField(".NET versions", $"Runtime {System.Runtime.InteropServices.RuntimeEnvironment.GetSystemVersion()}\n{System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription}", true);
+            AppendPiracyStats(embed);
+            AppendCmdStats(ctx, embed);
+            AppendExplainStats(embed);
+            AppendGameLookupStats(embed);
+            var ch = await ctx.GetChannelForSpamAsync().ConfigureAwait(false);
+            await ch.SendMessageAsync(embed: embed).ConfigureAwait(false);
+        }
+
+        private static void AppendPiracyStats(DiscordEmbedBuilder embed)
+        {
+            try
+            {
+                using (var db = new BotDb())
+                {
+                    var longestGapBetweenWarning = db.Warning
+                        .Where(w => w.Timestamp.HasValue)
+                        .OrderBy(w => w.Timestamp)
+                        .Pairwise((l, r) => r.Timestamp - l.Timestamp)
+                        .Max();
+                    var yesterday = DateTime.UtcNow.AddDays(-1).Ticks;
+                    var warnCount = db.Warning.Count(w => w.Timestamp > yesterday);
+                    var lastWarn = db.Warning.LastOrDefault()?.Timestamp;
+                    if (lastWarn.HasValue && longestGapBetweenWarning.HasValue)
+                        longestGapBetweenWarning = Math.Max(longestGapBetweenWarning.Value, DateTime.UtcNow.Ticks - lastWarn.Value);
+                    var statsBuilder = new StringBuilder();
+                    if (longestGapBetweenWarning.HasValue)
+                        statsBuilder.AppendLine($@"Longest between warnings: {TimeSpan.FromTicks(longestGapBetweenWarning.Value).AsShortTimespan()}");
+                    if (lastWarn.HasValue)
+                        statsBuilder.AppendLine($@"Time since last warning: {(DateTime.UtcNow - lastWarn.Value.AsUtc()).AsShortTimespan()}");
+                    statsBuilder.Append($"Warnings in the last day: {warnCount}");
+                    if (warnCount == 0)
+                        statsBuilder.Append(" ").Append(BotReactionsHandler.RandomPositiveReaction);
+                    embed.AddField("Warning stats", statsBuilder.ToString().TrimEnd(), true);
+                }
+            }
+            catch (Exception e)
+            {
+                Config.Log.Warn(e);
+            }
+        }
+
+        private static void AppendCmdStats(CommandContext ctx, DiscordEmbedBuilder embed)
+        {
+            var commandStats = ctx.CommandsNext.RegisteredCommands.Values
+                .Select(c => c.QualifiedName)
+                .Distinct()
+                .Select(qn => (name: qn, stat: CmdStatCache.Get(qn) as int?))
+                .Where(t => t.stat.HasValue)
+                .Distinct()
+                .OrderByDescending(t => t.stat)
+                .ToList();
+            var totalCalls = commandStats.Sum(t => t.stat);
+            var top = commandStats.Take(5).ToList();
+            if (top.Any())
+            {
+                var statsBuilder = new StringBuilder();
+                var n = 1;
+                foreach (var cmdStat in top)
+                    statsBuilder.AppendLine($"{n++}. {cmdStat.name} ({cmdStat.stat} call{(cmdStat.stat == 1 ? "" : "s")}, {cmdStat.stat * 100.0 / totalCalls:0.##}%)");
+                statsBuilder.AppendLine($"Total commands executed: {totalCalls}");
+                embed.AddField($"Top {top.Count} recent commands", statsBuilder.ToString().TrimEnd(), true);
+            }
+        }
+
+        private static void AppendExplainStats(DiscordEmbedBuilder embed)
+        {
+            var terms = ExplainStatCache.GetCacheKeys<string>();
+            var sortedTerms = terms
+                .Select(t => (term: t, stat: ExplainStatCache.Get(t) as int?))
+                .Where(t => t.stat.HasValue)
+                .OrderByDescending(t => t.stat)
+                .ToList();
+            var totalExplains = sortedTerms.Sum(t => t.stat);
+            var top = sortedTerms.Take(5).ToList();
+            if (top.Any())
+            {
+                var statsBuilder = new StringBuilder();
+                var n = 1;
+                foreach (var explain in top)
+                    statsBuilder.AppendLine($"{n++}. {explain.term} ({explain.stat} display{(explain.stat == 1 ? "" : "s")}, {explain.stat * 100.0 / totalExplains:0.##}%)");
+                statsBuilder.AppendLine($"Total explanations shown: {totalExplains}");
+                embed.AddField($"Top {top.Count} recent explanations", statsBuilder.ToString().TrimEnd(), true);
+            }
+        }
+
+        private static void AppendGameLookupStats(DiscordEmbedBuilder embed)
+        {
+            var gameTitles = GameStatCache.GetCacheKeys<string>();
+            var sortedTitles = gameTitles
+                .Select(t => (title: t, stat: GameStatCache.Get(t) as int?))
+                .Where(t => t.stat.HasValue)
+                .OrderByDescending(t => t.stat)
+                .ToList();
+            var totalLookups = sortedTitles.Sum(t => t.stat);
+            var top = sortedTitles.Take(5).ToList();
+            if (top.Any())
+            {
+                var statsBuilder = new StringBuilder();
+                var n = 1;
+                foreach (var title in top)
+                    statsBuilder.AppendLine($"{n++}. {title.title.Trim(40)} ({title.stat} search{(title.stat == 1 ? "" : "es")}, {title.stat * 100.0 / totalLookups:0.##}%)");
+                statsBuilder.AppendLine($"Total game lookups: {totalLookups}");
+                embed.AddField($"Top {top.Count} recent game lookups", statsBuilder.ToString().TrimEnd(), true);
+            }
         }
     }
 }

CompatBot/EventHandlers/BotReactionsHandler.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using CompatBot.Commands.Attributes;
 using CompatBot.Utils;
@@ -66,6 +67,9 @@ internal static class BotReactionsHandler
         private static readonly Random rng = new Random();
         private static readonly object theDoor = new object();
 
+        public static DiscordEmoji RandomNegativeReaction { get { lock (theDoor) return SadReactions[rng.Next(SadReactions.Length)]; } }
+        public static DiscordEmoji RandomPositiveReaction { get { lock (theDoor) return ThankYouReactions[rng.Next(ThankYouReactions.Length)]; } }
+
         public static async Task OnMessageCreated(MessageCreateEventArgs args)
         {
             if (DefaultHandlerFilter.IsFluff(args.Message))

CompatBot/EventHandlers/IsTheGamePlayableHandler.cs

@@ -11,6 +11,7 @@
 using CompatBot.Utils.ResultFormatters;
 using DSharpPlus.Entities;
 using DSharpPlus.EventArgs;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace CompatBot.EventHandlers
 {
@@ -86,12 +87,17 @@ public static async Task<(string productCode, TitleInfo info)> LookupGameAsync(D
                 var status = await Client.GetCompatResultAsync(requestBuilder, Config.Cts.Token).ConfigureAwait(false);
                 if ((status.ReturnCode == 0 || status.ReturnCode == 2) && status.Results.Any())
                 {
-                    var (code, info) = status.GetSortedList().First();
-                    var score = CompatApiResultUtils.GetScore(gameTitle, info);
-                    Config.Log.Debug($"Looked up \"{gameTitle}\", got \"{info.Title}\" with score {score}");
+                    var (code, info, score) = status.GetSortedList().First();
+                    Config.Log.Debug($"Looked up \"{gameTitle}\", got \"{info?.Title}\" with score {score}");
                     if (score < 0.5)
                         return (null, null);
 
+                    if (!string.IsNullOrEmpty(info?.Title))
+                    {
+                        BaseCommandModuleCustom.GameStatCache.TryGetValue(info.Title, out int stat);
+                        BaseCommandModuleCustom.GameStatCache.Set(info.Title, ++stat, BaseCommandModuleCustom.CacheTime);
+                    }
+
                     return (code, info);
                 }
             }

CompatBot/EventHandlers/ProductCodeLookup.cs

@@ -6,12 +6,14 @@
 using System.Threading.Tasks;
 using CompatApiClient;
 using CompatApiClient.POCOs;
+using CompatBot.Commands;
 using CompatBot.Database.Providers;
 using CompatBot.Utils;
 using CompatBot.Utils.ResultFormatters;
 using DSharpPlus;
 using DSharpPlus.Entities;
 using DSharpPlus.EventArgs;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace CompatBot.EventHandlers
 {
@@ -110,9 +112,7 @@ public static List<string> GetProductIds(string input)
         public static async Task<DiscordEmbedBuilder> LookupGameInfoAsync(this DiscordClient client, string code, string gameTitle = null, bool forLog = false)
         {
             if (string.IsNullOrEmpty(code))
-            {
                 return TitleInfo.Unknown.AsEmbed(code, gameTitle, forLog);
-            }
 
             try
             {

CompatBot/EventHandlers/UnknownCommandHandler.cs

@@ -1,5 +1,4 @@
-using System.Collections.Generic;
-using System.Linq;
+using System.Linq;
 using System.Threading.Tasks;
 using CompatApiClient.Utils;
 using CompatBot.Commands;
@@ -8,6 +7,7 @@
 using CompatBot.Utils.ResultFormatters;
 using DSharpPlus.CommandsNext;
 using DSharpPlus.CommandsNext.Exceptions;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace CompatBot.EventHandlers
 {
@@ -54,6 +54,8 @@ public static async Task OnError(CommandErrorEventArgs e)
                     await e.Context.RespondAsync(fuzzyNotice).ConfigureAwait(false);
                 }
                 var explain = lookup.explanation;
+                BaseCommandModuleCustom.ExplainStatCache.TryGetValue(explain.Keyword, out int stat);
+                BaseCommandModuleCustom.ExplainStatCache.Set(explain.Keyword, ++stat, BaseCommandModuleCustom.CacheTime);
                 await e.Context.Channel.SendMessageAsync(explain.Text, explain.Attachment, explain.AttachmentFilename).ConfigureAwait(false);
                 return;
             }

CompatBot/Utils/CompatApiResultUtils.cs

@@ -7,20 +7,26 @@ namespace CompatBot.Utils
 {
     internal static class CompatApiResultUtils
     {
-        public static List<KeyValuePair<string, TitleInfo>> GetSortedList(this CompatResult result)
+        public static List<(string code, TitleInfo info, double score)> GetSortedList(this CompatResult result)
         {
             var search = result.RequestBuilder.search;
-            var sortedList = result.Results.ToList();
-            if (!string.IsNullOrEmpty(search))
-                sortedList = sortedList
-                    .OrderByDescending(kvp => GetScore(search, kvp.Value))
-                    .ThenBy(kvp => kvp.Value.Title)
+            if (string.IsNullOrEmpty(search) || !result.Results.Any())
+                return result.Results
+                    .OrderBy(kvp => kvp.Value.Title)
                     .ThenBy(kvp => kvp.Key)
+                    .Select(kvp => (kvp.Key, kvp.Value, 0.0))
                     .ToList();
-            if (GetScore(search, sortedList.First().Value) < 0.2)
+
+            var sortedList = result.Results
+                .Select(kvp => (code: kvp.Key, info: kvp.Value, score: GetScore(search, kvp.Value)))
+                .OrderByDescending(t => t.score)
+                .ThenBy(t => t.info.Title)
+                .ThenBy(t => t.code)
+                .ToList();
+            if (sortedList.First().score < 0.2)
                 sortedList = sortedList
-                    .OrderBy(kvp => kvp.Value.Title)
-                    .ThenBy(kvp => kvp.Key)
+                    .OrderBy(kvp => kvp.info.Title)
+                    .ThenBy(kvp => kvp.code)
                     .ToList();
             return sortedList;
         }