slowmode: add !slowmode clear to clear slowmode from specific users

src/plugins/Slowmode.ts

@@ -1,5 +1,5 @@
 import { Plugin, decorators as d } from "knub";
-import { GuildChannel, Message, TextChannel, Constants as ErisConstants } from "eris";
+import { GuildChannel, Message, TextChannel, Constants as ErisConstants, User } from "eris";
 import { convertDelayStringToMS, errorMessage, noop, successMessage } from "../utils";
 import { GuildSlowmodes } from "../data/GuildSlowmodes";
 import humanizeDuration from "humanize-duration";
@@ -116,6 +116,26 @@ export class SlowmodePlugin extends Plugin {
     }
   }
 
+  /**
+   * COMMAND: Clear slowmode from a specific user on a specific channel
+   */
+  @d.command("slowmode clear", "<channel:channel> <user:user>")
+  @d.permission("manage")
+  async clearSlowmodeCmd(msg: Message, args: { channel: GuildChannel & TextChannel; user: User }) {
+    const channelSlowmode = await this.slowmodes.getChannelSlowmode(args.channel.id);
+    if (!channelSlowmode) {
+      msg.channel.createMessage(errorMessage("Channel doesn't have slowmode!"));
+      return;
+    }
+
+    await this.removeSlowmodeFromUserId(args.channel, args.user.id);
+    msg.channel.createMessage(
+      successMessage(
+        `Slowmode cleared from **${args.user.username}#${args.user.discriminator}** in <#${args.channel.id}>`
+      )
+    );
+  }
+
   /**
    * COMMAND: Enable slowmode on the specified channel
    */