base implementation

app/controllers/users_controller.rb

@@ -0,0 +1,7 @@
+class UsersController < ApplicationController
+  def show
+    @user = User.find_by_username(params[:username])
+    @projects = @user.authorized_projects.where('projects.id in (?)', current_user.authorized_projects.map(&:id))
+    @events = @user.recent_events.where(project_id: @projects.map(&:id)).limit(20)
+  end
+end