Added setting for admin to limit the number of rooms for the user (#607)

app/controllers/admins_controller.rb

@@ -23,7 +23,7 @@ class AdminsController < ApplicationController
 
   manage_users = [:edit_user, :promote, :demote, :ban_user, :unban_user, :approve]
   site_settings = [:branding, :coloring, :coloring_lighten, :coloring_darken,
-                   :registration_method, :room_authentication]
+                   :registration_method, :room_authentication, :room_limit]
 
   authorize_resource class: false
   before_action :find_user, only: manage_users
@@ -153,6 +153,12 @@ class AdminsController < ApplicationController
     end
   end
 
+  # POST /admins/room_limit
+  def room_limit
+    @settings.update_value("Room Limit", params[:limit])
+    redirect_to admins_path, flash: { success: I18n.t("administrator.flash.settings") }
+  end
+
   private
 
   def find_user

app/controllers/rooms_controller.rb

@@ -33,6 +33,8 @@ class RoomsController < ApplicationController
   def create
     redirect_to(root_path) && return unless current_user
 
+    return redirect_to current_user.main_room, flash: { alert: I18n.t("room.room_limit") } if room_limit_exceeded
+
     @room = Room.new(name: room_params[:name])
     @room.owner = current_user
     @room.room_settings = create_room_settings_string(room_params[:mute_on_join], room_params[:client])
@@ -279,4 +281,14 @@ class RoomsController < ApplicationController
     Setting.find_or_create_by!(provider: user_settings_provider).get_value("Room Authentication") == "true" &&
       current_user.nil?
   end
+
+  def room_limit_exceeded
+    limit = Setting.find_or_create_by!(provider: user_settings_provider).get_value("Room Limit").to_i
+
+    # Does not apply to admin
+    # 15+ option is used as unlimited
+    return false if current_user&.has_role?(:admin) || limit == 15
+
+    current_user.rooms.count >= limit
+  end
 end