Hello world

First open source release of Campfire 🎉

app/controllers/users/sidebars_controller.rb

@@ -0,0 +1,25 @@
+class Users::SidebarsController < ApplicationController
+  DIRECT_PLACEHOLDERS = 20
+
+  def show
+    all_memberships     = Current.user.memberships.visible.with_ordered_room
+    @direct_memberships = extract_direct_memberships(all_memberships)
+    @other_memberships  = all_memberships.without(@direct_memberships)
+
+    @direct_placeholder_users = find_direct_placeholder_users
+  end
+
+  private
+    def extract_direct_memberships(all_memberships)
+      all_memberships.select { |m| m.room.direct? }.sort_by { |m| m.room.updated_at }.reverse
+    end
+
+    def find_direct_placeholder_users
+      exclude_user_ids = user_ids_already_in_direct_rooms_with_current_user.including(Current.user.id)
+      User.active.where.not(id: exclude_user_ids).order(:created_at).limit(DIRECT_PLACEHOLDERS - exclude_user_ids.count)
+    end
+
+    def user_ids_already_in_direct_rooms_with_current_user
+      Membership.where(room_id: Current.user.rooms.directs.pluck(:id)).pluck(:user_id).uniq
+    end
+end