GRN2-xx: Switch the relation between users and roles to make queries cleaner and faster (#1299)

* First steps

* Fixes in account creation flow

* Fixed most testcases

* more test fixes

* Fixed more test cases

* Passing tests and rubocop

* Added rake task to remove rooms

lib/tasks/room.rake

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require 'bigbluebutton_api'
+
+namespace :room do
+  desc "Removes all rooms for users that can't create rooms"
+  task :remove, [:include_used] => :environment do |_task, args|
+    roles = Role.where(role_permissions: { name: "can_create_rooms", value: "false" }).pluck(:name)
+    users = User.with_role(roles)
+    users.each do |user|
+      puts "Destroying #{user.uid} rooms"
+      user.rooms.each do |room|
+        if room.sessions.positive? && args[:include_used] != "true"
+          puts "Skipping room #{room.uid}"
+          next
+        end
+
+        begin
+          room.destroy(true)
+          puts "Destroying room #{room.uid}"
+        rescue => e
+          puts "Failed to remove room #{room.uid} - #{e}"
+        end
+      end
+    end
+  end
+end

lib/tasks/user.rake

@@ -38,9 +38,9 @@ namespace :user do
 
       if u[:role] == "super_admin"
         user.remove_role(:user)
-        user.add_role(:super_admin)
+        user.set_role(:super_admin)
       elsif u[:role] == "admin"
-        user.add_role(:admin)
+        user.set_role(:admin)
       end
 
       puts "Account succesfully created."