- Reworked embed builder

- Use IEmbedBuilderService to create embed builders
- Wrapped embed builder and using IEmbedBuilder

src/NadekoBot/Common/CREmbed.cs

@@ -2,6 +2,7 @@ using Discord;
 using NadekoBot.Extensions;
 using Newtonsoft.Json;
 using System;
+using NadekoBot.Services;
 
 namespace NadekoBot.Common
 {
@@ -29,7 +30,7 @@ namespace NadekoBot.Common
             (Footer != null && (!string.IsNullOrWhiteSpace(Footer.Text) || !string.IsNullOrWhiteSpace(Footer.IconUrl))) ||
             (Fields != null && Fields.Length > 0);
 
-        public EmbedBuilder ToEmbed()
+        public IEmbedBuilder ToEmbed(IEmbedBuilderService eb)
         {
             var embed = new EmbedBuilder();
 
@@ -67,7 +68,7 @@ namespace NadekoBot.Common
                         embed.AddField(f.Name, f.Value, f.Inline);
                 }
 
-            return embed;
+            return eb.Create(embed);
         }
 
         public static bool TryParse(string input, out CREmbed embed)

src/NadekoBot/Common/IEmbedBuilder.cs

@@ -0,0 +1,26 @@
+using Discord;
+
+// todo test guild colors
+namespace NadekoBot
+{
+    public interface IEmbedBuilder
+    {
+        IEmbedBuilder WithDescription(string desc);
+        IEmbedBuilder WithTitle(string title);
+        IEmbedBuilder AddField(string title, object value, bool isInline = false);
+        IEmbedBuilder WithFooter(string text, string iconUrl = null);
+        IEmbedBuilder WithAuthor(string name, string iconUrl = null, string url = null);
+        IEmbedBuilder WithColor(EmbedColor color);
+        Embed Build();
+        IEmbedBuilder WithUrl(string url);
+        IEmbedBuilder WithImageUrl(string url);
+        IEmbedBuilder WithThumbnailUrl(string url);
+    }
+
+    public enum EmbedColor
+    {
+        Ok,
+        Pending,
+        Error,
+    }
+}

src/NadekoBot/Common/NadekoModule.cs

@@ -14,6 +14,7 @@ namespace NadekoBot.Modules
         public IBotStrings Strings { get; set; }
         public CommandHandler CmdHandler { get; set; }
         public ILocalization Localization { get; set; }
+        public IEmbedBuilderService _eb { get; set; }
 
         public string Prefix => CmdHandler.GetPrefix(ctx.Guild);
 
@@ -34,36 +35,51 @@ namespace NadekoBot.Modules
         protected string GetText(string key, params object[] args) =>
             Strings.GetText(key, _cultureInfo, args);
 
+        public Task<IUserMessage> SendErrorAsync(string error)
+            => ctx.Channel.SendErrorAsync(_eb, error);
+        
+        public Task<IUserMessage> SendErrorAsync(string title, string error, string url = null, string footer = null)
+            => ctx.Channel.SendErrorAsync(_eb, title, error, url, footer);
+        
+        public Task<IUserMessage> SendConfirmAsync(string text)
+            => ctx.Channel.SendConfirmAsync(_eb, text);
+        
+        public Task<IUserMessage> SendConfirmAsync(string title, string text, string url = null, string footer = null)
+            => ctx.Channel.SendConfirmAsync(_eb, title, text, url, footer);
+        
+        public Task<IUserMessage> SendPendingAsync(string text)
+            => ctx.Channel.SendPendingAsync(_eb, text);
+        
         public Task<IUserMessage> ErrorLocalizedAsync(string textKey, params object[] args)
         {
             var text = GetText(textKey, args);
-            return ctx.Channel.SendErrorAsync(text);
+            return SendErrorAsync(text);
         }
 
         public Task<IUserMessage> ReplyErrorLocalizedAsync(string textKey, params object[] args)
         {
             var text = GetText(textKey, args);
-            return ctx.Channel.SendErrorAsync(Format.Bold(ctx.User.ToString()) + " " + text);
+            return SendErrorAsync(Format.Bold(ctx.User.ToString()) + " " + text);
         }
         public Task<IUserMessage> ReplyPendingLocalizedAsync(string textKey, params object[] args)
         {
             var text = GetText(textKey, args);
-            return ctx.Channel.SendPendingAsync(Format.Bold(ctx.User.ToString()) + " " + text);
+            return SendPendingAsync(Format.Bold(ctx.User.ToString()) + " " + text);
         }
 
         public Task<IUserMessage> ConfirmLocalizedAsync(string textKey, params object[] args)
         {
             var text = GetText(textKey, args);
-            return ctx.Channel.SendConfirmAsync(text);
+            return SendConfirmAsync(text);
         }
 
         public Task<IUserMessage> ReplyConfirmLocalizedAsync(string textKey, params object[] args)
         {
             var text = GetText(textKey, args);
-            return ctx.Channel.SendConfirmAsync(Format.Bold(ctx.User.ToString()) + " " + text);
+            return SendConfirmAsync(Format.Bold(ctx.User.ToString()) + " " + text);
         }
 
-        public async Task<bool> PromptUserConfirmAsync(EmbedBuilder embed)
+        public async Task<bool> PromptUserConfirmAsync(IEmbedBuilder embed)
         {
             embed
                 .WithPendingColor()