[NEW] Add methods to include room types on dashboard (#16576)

app/lib/lib/roomTypes/direct.js

@@ -159,4 +159,8 @@ export class DirectMessageRoomType extends RoomTypeConfig {
 	getAvatarPath(roomData) {
 		return getUserAvatarURL(roomData.name || this.roomName(roomData));
 	}
+
+	includeInDashboard() {
+		return true;
+	}
 }

app/lib/lib/roomTypes/private.js

@@ -130,4 +130,8 @@ export class PrivateRoomType extends RoomTypeConfig {
 		// otherwise gets discussion's avatar via _id
 		return getRoomAvatarURL(roomData.prid);
 	}
+
+	includeInDashboard() {
+		return true;
+	}
 }

app/lib/lib/roomTypes/public.js

@@ -73,6 +73,10 @@ export class PublicRoomType extends RoomTypeConfig {
 		return true;
 	}
 
+	includeInDashboard() {
+		return true;
+	}
+
 	canAddUser(room) {
 		return hasAtLeastOnePermission(['add-user-to-any-c-room', 'add-user-to-joined-room'], room._id);
 	}

app/utils/lib/RoomTypesCommon.js

@@ -11,6 +11,10 @@ export class RoomTypesCommon {
 		this.mainOrder = 1;
 	}
 
+	getTypesToShowOnDashboard() {
+		return Object.keys(this.roomTypes).filter((key) => this.roomTypes[key].includeInDashboard && this.roomTypes[key].includeInDashboard());
+	}
+
 	/**
 	 * Adds a room type to the application.
 	 *