.setnick command added closes #1195

src/NadekoBot/Modules/Administration/Commands/SelfCommands.cs

@@ -281,6 +281,30 @@ namespace NadekoBot.Modules.Administration
                 await ReplyConfirmLocalized("bot_name", Format.Bold(newName)).ConfigureAwait(false);
             }
 
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireUserPermission(GuildPermission.ManageNicknames)]
+            [Priority(1)]
+            public async Task SetNick([Remainder] string newNick = null)
+            {
+                if (string.IsNullOrWhiteSpace(newNick))
+                    return;
+                var curUser = await Context.Guild.GetCurrentUserAsync();
+                await curUser.ModifyAsync(u => u.Nickname = newNick).ConfigureAwait(false);
+
+                await ReplyConfirmLocalized("bot_nick", Format.Bold(newNick) ?? "-").ConfigureAwait(false);
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireBotPermission(GuildPermission.ManageNicknames)]
+            [RequireUserPermission(GuildPermission.ManageNicknames)]
+            [Priority(0)]
+            public async Task SetNick(IGuildUser gu, [Remainder] string newNick = null)
+            {
+                await gu.ModifyAsync(u => u.Nickname = newNick).ConfigureAwait(false);
+
+                await ReplyConfirmLocalized("user_nick", Format.Bold(gu.ToString()), Format.Bold(newNick) ?? "-").ConfigureAwait(false);
+            }
+
             [NadekoCommand, Usage, Description, Aliases]
             [OwnerOnly]
             public async Task SetStatus([Remainder] SettableUserStatus status)

src/NadekoBot/Resources/CommandStrings.resx

@@ -702,6 +702,15 @@
   <data name="setname_usage" xml:space="preserve">
     <value>`{0}newnm BotName`</value>
   </data>
+  <data name="setnick_cmd" xml:space="preserve">
+    <value>setnick</value>
+  </data>
+  <data name="setnick_desc" xml:space="preserve">
+    <value>Changes the nickname of the bot on this server. You can also target other users to change their nickname.</value>
+  </data>
+  <data name="setnick_usage" xml:space="preserve">
+    <value>`{0}setnick BotNickname` or `{0}setnick @SomeUser New Nickname`</value>
+  </data>
   <data name="setavatar_cmd" xml:space="preserve">
     <value>setavatar setav</value>
   </data>

src/NadekoBot/_strings/ResponseStrings.en-US.json

@@ -66,7 +66,9 @@
   "administration_bandm": "You have been banned from {0} server.\nReason: {1}",
   "administration_banned_pl": "banned",
   "administration_banned_user": "User Banned",
-    "administration_bot_name": "Bot name changed to {0}",
+  "administration_bot_name": "Bot's name changed to {0}",
+  "administration_bot_nick": "Bot's nickname changed to {0}",
+  "administration_user_nick": "Nickname of the user {0} changed to {1}",
   "administration_bot_status": "Bot status changed to {0}",
   "administration_byedel_off": "Automatic deletion of bye messages has been disabled.",
   "administration_byedel_on": "Bye messages will be deleted after {0} seconds.",