module API class Labels < Grape::API include PaginationParams before { authenticate! } params do requires :id, type: String, desc: 'The ID of a project' end resource :projects, requirements: API::PROJECT_ENDPOINT_REQUIREMENTS do desc 'Get all labels of the project' do success Entities::Label end params do use :pagination end get ':id/labels' do present paginate(available_labels_for(user_project)), with: Entities::Label, current_user: current_user, project: user_project end desc 'Create a new label' do success Entities::Label end params do requires :name, type: String, desc: 'The name of the label to be created' requires :color, type: String, desc: "The color of the label given in 6-digit hex notation with leading '#' sign (e.g. #FFAABB) or one of the allowed CSS color names" optional :description, type: String, desc: 'The description of label to be created' optional :priority, type: Integer, desc: 'The priority of the label', allow_blank: true end post ':id/labels' do authorize! :admin_label, user_project label = available_labels_for(user_project).find_by(title: params[:name]) conflict!('Label already exists') if label priority = params.delete(:priority) label = ::Labels::CreateService.new(declared_params(include_missing: false)).execute(project: user_project) if label.valid? label.prioritize!(user_project, priority) if priority present label, with: Entities::Label, current_user: current_user, project: user_project else render_validation_error!(label) end end desc 'Delete an existing label' do success Entities::Label end params do requires :name, type: String, desc: 'The name of the label to be deleted' end delete ':id/labels' do authorize! :admin_label, user_project label = user_project.labels.find_by(title: params[:name]) not_found!('Label') unless label destroy_conditionally!(label) end desc 'Update an existing label. At least one optional parameter is required.' do success Entities::Label end params do requires :name, type: String, desc: 'The name of the label to be updated' optional :new_name, type: String, desc: 'The new name of the label' optional :color, type: String, desc: "The new color of the label given in 6-digit hex notation with leading '#' sign (e.g. #FFAABB) or one of the allowed CSS color names" optional :description, type: String, desc: 'The new description of label' optional :priority, type: Integer, desc: 'The priority of the label', allow_blank: true at_least_one_of :new_name, :color, :description, :priority end put ':id/labels' do authorize! :admin_label, user_project label = user_project.labels.find_by(title: params[:name]) not_found!('Label not found') unless label update_priority = params.key?(:priority) priority = params.delete(:priority) label_params = declared_params(include_missing: false) # Rename new name to the actual label attribute name label_params[:name] = label_params.delete(:new_name) if label_params.key?(:new_name) label = ::Labels::UpdateService.new(label_params).execute(label) render_validation_error!(label) unless label.valid? if update_priority if priority.nil? label.unprioritize!(user_project) else label.prioritize!(user_project, priority) end end present label, with: Entities::Label, current_user: current_user, project: user_project end end end end