Currency images are preloaded now too.(>plant/>gc)

src/NadekoBot/Modules/Games/Commands/PlantAndPickCommands.cs

@@ -93,10 +93,10 @@ namespace NadekoBot.Modules.Games
                             {
                                 firstPart = $"{dropAmount} random { NadekoBot.BotConfig.CurrencyPluralName } appeared!";
                             }
-                            var file = GetRandomCurrencyImagePath();
+                            var file = GetRandomCurrencyImage();
                             var sent = await channel.SendFileAsync(
-                                File.Open(file, FileMode.OpenOrCreate),
-                                new FileInfo(file).Name,
+                                file.Item2,
+                                file.Item1,
                                 $"❗ {firstPart} Pick it up by typing `{NadekoBot.ModulePrefixes[typeof(Games).Name]}pick`")
                                     .ConfigureAwait(false);
 
@@ -159,7 +159,7 @@ namespace NadekoBot.Modules.Games
                     return;
                 }
 
-                var file = GetRandomCurrencyImagePath();
+                var file = GetRandomCurrencyImage();
                 IUserMessage msg;
                 var vowelFirst = new[] { 'a', 'e', 'i', 'o', 'u' }.Contains(NadekoBot.BotConfig.CurrencyName[0]);
                 
@@ -170,7 +170,7 @@ namespace NadekoBot.Modules.Games
                 }
                 else
                 {
-                    msg = await Context.Channel.SendFileAsync(File.Open(file, FileMode.OpenOrCreate), new FileInfo(file).Name, msgToSend).ConfigureAwait(false);
+                    msg = await Context.Channel.SendFileAsync(file.Item2, file.Item1, msgToSend).ConfigureAwait(false);
                 }
 
                 var msgs = new IUserMessage[amount];
@@ -220,10 +220,12 @@ namespace NadekoBot.Modules.Games
                 }
             }
 
-            private static string GetRandomCurrencyImagePath()
+            private static Tuple<string, Stream> GetRandomCurrencyImage()
             {
                 var rng = new NadekoRandom();
-                return Directory.GetFiles("data/currency_images").OrderBy(s => rng.Next()).FirstOrDefault();
+                var images = NadekoBot.Images.CurrencyImages;
+
+                return images[rng.Next(0, images.Count)];
             }
 
             int GetRandomNumber()

src/NadekoBot/Services/IImagesService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.Immutable;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -12,6 +13,8 @@ namespace NadekoBot.Services
         Stream Heads { get; }
         Stream Tails { get; }
 
+        IImmutableList<Tuple<string, Stream>> CurrencyImages { get; }
+
         Task Reload();
     }
 }

src/NadekoBot/Services/Impl/ImagesService.cs

@@ -1,6 +1,8 @@
 using NLog;
 using System;
 using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
@@ -16,11 +18,18 @@ namespace NadekoBot.Services.Impl
         private const string headsPath = "data/images/coins/heads.png";
         private const string tailsPath = "data/images/coins/tails.png";
 
+        private const string currencyImagesPath = "data/currency_images";
+
         private byte[] heads;
         public Stream Heads => new MemoryStream(heads, false);
 
         private byte[] tails;
         public Stream Tails => new MemoryStream(tails, false);
+        //todo tuple
+        private IReadOnlyDictionary<string, byte[]> currencyImages;
+        public IImmutableList<Tuple<string, Stream>> CurrencyImages =>
+            currencyImages.Select(x => new Tuple<string, Stream>(x.Key, (Stream)new MemoryStream(x.Value, false)))
+                          .ToImmutableArray();
 
         private ImagesService()
         {
@@ -35,12 +44,22 @@ namespace NadekoBot.Services.Impl
         }
 
         public Task Reload() => Task.Run(() =>
+        {
+            try
             {
                 _log.Info("Loading images...");
                 var sw = Stopwatch.StartNew();
                 heads = File.ReadAllBytes(headsPath);
                 tails = File.ReadAllBytes(tailsPath);
+
+                currencyImages = Directory.GetFiles(currencyImagesPath).ToDictionary(x => Path.GetFileName(x), x => File.ReadAllBytes(x));
                 _log.Info($"Images loaded after {sw.Elapsed.TotalSeconds:F2}s!");
+            }
+            catch (Exception ex)
+            {
+                _log.Error(ex);
+                throw;
+            }
         });
     }
 }