class SnippetsFinder def execute(current_user, params = {}) filter = params[:filter] case filter when :all then snippets(current_user).fresh when :by_user then by_user(current_user, params[:user], params[:scope]) when :by_project by_project(current_user, params[:project]) end end private def snippets(current_user) if current_user Snippet.public_and_internal else # Not authenticated # # Return only: # public snippets Snippet.are_public end end def by_user(current_user, user, scope) snippets = user.snippets.fresh return snippets.are_public unless current_user if user == current_user case scope when 'are_internal' then snippets.are_internal when 'are_private' then snippets.are_private when 'are_public' then snippets.are_public else snippets end else snippets.public_and_internal end end def by_project(current_user, project) snippets = project.snippets.fresh if current_user if project.team.member?(current_user) || current_user.admin? snippets else snippets.public_and_internal end else snippets.are_public end end end