Added an optional preview url to the xp shop items

src/NadekoBot/Modules/Xp/Xp.cs

@@ -395,7 +395,9 @@ public partial class Xp : NadekoModule<XpService>
                     .WithTitle(item.Name)
                     .AddField(GetText(strs.price), Gambling.Gambling.N(item.Price, culture), true)
                     // .AddField(GetText(strs.buy), $"{prefix}xpbuy {key}", true)
-                    .WithImageUrl(item.Url.ToString());
+                    .WithImageUrl(string.IsNullOrWhiteSpace(item.Preview)
+                        ? item.Url
+                        : item.Preview);
 
                 if (!string.IsNullOrWhiteSpace(item.Desc))
                     eb.WithDescription(item.Desc);

src/NadekoBot/Modules/Xp/XpConfig.cs

@@ -10,7 +10,7 @@ namespace NadekoBot.Modules.Xp;
 public sealed partial class XpConfig : ICloneable<XpConfig>
 {
     [Comment(@"DO NOT CHANGE")]
-    public int Version { get; set; } = 3;
+    public int Version { get; set; } = 4;
 
     [Comment(@"How much XP will the users receive per message")]
     public int XpPerMessage { get; set; } = 3;
@@ -71,6 +71,9 @@ To remove an item from the shop, but keep previous purchases, set the price to -
         [Comment(@"Direct url to the .png image which will be applied to the user's XP card")]
         public string Url { get; set; }
         
+        [Comment(@"Optional preview url which will show instead of the real URL in the shop ")]
+        public string Preview { get; set; }
+        
         [Comment(@"Optional description of the item")]
         public string Desc { get; set; }
     }

src/NadekoBot/Modules/Xp/XpConfigService.cs

@@ -52,11 +52,11 @@ public sealed class XpConfigService : ConfigServiceBase<XpConfig>
             });
         }
         
-        if (data.Version < 3)
+        if (data.Version < 4)
         {
             ModifyConfig(c =>
             {
-                c.Version = 3;
+                c.Version = 4;
             });
         }
     }

src/NadekoBot/data/xp.yml

@@ -1,5 +1,5 @@
 # DO NOT CHANGE
-version: 3
+version: 4
 # How much XP will the users receive per message
 xpPerMessage: 3
 # How often can the users receive XP in minutes
@@ -31,6 +31,8 @@ shop:
       price: 0
       # Direct url to the .png image which will be applied to the user's XP card
       url: ''
+      # Optional preview url which will show instead of the real URL in the shop
+      preview: 
       # Optional description of the item
       desc: 
   # Backgrounds available for sale. Keys are unique IDs.
@@ -45,5 +47,7 @@ shop:
       price: 0
       # Direct url to the .png image which will be applied to the user's XP card
       url: ''
+      # Optional preview url which will show instead of the real URL in the shop
+      preview: 
       # Optional description of the item
       desc: