Added companion channel functionality

Channels are configured in the servers config gile

src/plugins/CompanionChannels.ts

@@ -0,0 +1,82 @@
+import { decorators as d, IPluginOptions, logger } from "knub";
+import { ZeppelinPlugin } from "./ZeppelinPlugin";
+import { Member, Channel, GuildChannel, PermissionOverwrite, Permission, Message } from "eris";
+
+// Permissions using these numbers: https://abal.moe/Eris/docs/reference (add all allowed/denied ones up)
+interface ICompanionChannel {
+  channelIds: string[];
+  permissions: number;
+}
+
+interface ICompanionChannelMap {
+  [channelId: string]: ICompanionChannel;
+}
+
+interface ICompanionChannelPluginConfig {
+  channels: {
+    [key: string]: ICompanionChannel;
+  };
+}
+
+export class CompanionChannelPlugin extends ZeppelinPlugin<ICompanionChannelPluginConfig> {
+  public static pluginName = "companion_channels";
+
+  companionChannels: Map<string, ICompanionChannel> = new Map();
+
+  getDefaultOptions(): IPluginOptions<ICompanionChannelPluginConfig> {
+    return {
+      config: {
+        channels: {},
+      },
+    };
+  }
+
+  onLoad() {
+    const tempCompanionChannels: ICompanionChannelMap = this.getConfig().channels;
+
+    for (const [channelId, opts] of Object.entries(tempCompanionChannels)) {
+      this.companionChannels.set(channelId, opts);
+    }
+  }
+
+  onUnload() {
+    this.companionChannels.clear;
+  }
+
+  async handleCompanionPermissions(userID: string, voiceChannelId: string, remove?: boolean) {
+    if (this.companionChannels.has(voiceChannelId)) {
+      const compChannels = this.companionChannels.get(voiceChannelId);
+      compChannels.channelIds.forEach(textChannelId => {
+        const textChannel = <GuildChannel>this.bot.getChannel(textChannelId);
+
+        if (remove) {
+          textChannel.deletePermission(userID, `Companion Channel for ${voiceChannelId} | User Left`);
+        } else {
+          textChannel.editPermission(
+            userID,
+            compChannels.permissions,
+            0,
+            "member",
+            `Companion Channel for ${voiceChannelId} | User Joined`,
+          );
+        }
+      });
+    }
+  }
+
+  @d.event("voiceChannelJoin")
+  onVoiceChannelJoin(member: Member, voiceChannel: Channel) {
+    this.handleCompanionPermissions(member.id, voiceChannel.id);
+  }
+
+  @d.event("voiceChannelSwitch")
+  onVoiceChannelSwitch(member: Member, newChannel: Channel, oldChannel: Channel) {
+    this.handleCompanionPermissions(member.id, oldChannel.id, true);
+    this.handleCompanionPermissions(member.id, newChannel.id);
+  }
+
+  @d.event("voiceChannelLeave")
+  onVoiceChannelLeave(member: Member, voiceChannel: Channel) {
+    this.handleCompanionPermissions(member.id, voiceChannel.id, true);
+  }
+}

src/plugins/availablePlugins.ts

@@ -21,6 +21,7 @@ import { WelcomeMessagePlugin } from "./WelcomeMessage";
 import { BotControlPlugin } from "./BotControl";
 import { LogServerPlugin } from "./LogServer";
 import { UsernameSaver } from "./UsernameSaver";
+import { CompanionChannelPlugin } from "./CompanionChannels";
 
 /**
  * Plugins available to be loaded for individual guilds
@@ -46,6 +47,7 @@ export const availablePlugins = [
   SelfGrantableRolesPlugin,
   RemindersPlugin,
   WelcomeMessagePlugin,
+  CompanionChannelPlugin,
 ];
 
 /**