Added image attachment support for .ea if you omit imageUrl

src/NadekoBot/Modules/Utility/Utility.cs

@@ -286,7 +286,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         [RequireBotPermission(GuildPermission.ManageEmojis)]
         [RequireUserPermission(GuildPermission.ManageEmojis)]
-        [Priority(0)]
+        [Priority(2)]
         public Task EmojiAdd(string name, Emote emote)
             => EmojiAdd(name, emote.Url);
         
@@ -294,6 +294,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         [RequireBotPermission(GuildPermission.ManageEmojis)]
         [RequireUserPermission(GuildPermission.ManageEmojis)]
+        [Priority(1)]
         public Task EmojiAdd(Emote emote)
             => EmojiAdd(emote.Name, emote.Url);
         
@@ -301,9 +302,16 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         [RequireBotPermission(GuildPermission.ManageEmojis)]
         [RequireUserPermission(GuildPermission.ManageEmojis)]
-        public async Task EmojiAdd(string name, string url)
+        [Priority(0)]
+        public async Task EmojiAdd(string name, string url = null)
         {
             name = name.Trim(':');
+
+            url ??= ctx.Message.Attachments.FirstOrDefault()?.Url;
+
+            if (url is null)
+                return;
+            
             using var http = _httpFactory.CreateClient();
             var res = await http.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
             if (!res.IsImage() || res.GetImageSize() is null or > 262_144)

src/NadekoBot/data/strings/commands/commands.en-US.yml

@@ -1200,6 +1200,7 @@ emojiadd:
     Adds the specified emoji to this server.
     You can specify a name before the emoji to add it under a different name.
     You can specify a name followed by an image link to add a new emoji from an image.
+    You can omit imageUrl and instead upload the image as an attachment. 
     Image size has to be below 256KB.
   args:
     - ":someonesCustomEmoji:"