labels_controller.rb 3.54 KB
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class Projects::LabelsController < Projects::ApplicationController
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  include ToggleSubscriptionAction

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  before_action :module_enabled
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  before_action :label, only: [:edit, :update, :destroy]
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  before_action :labels, only: [:index]
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  before_action :authorize_read_label!
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  before_action :authorize_admin_labels!, only: [:new, :create, :edit, :update,
                                                 :generate, :destroy, :remove_priority,
                                                 :set_priorities]
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  respond_to :js, :html

  def index
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    @prioritized_labels = @labels.prioritized
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    @group_labels = @project.group.labels.unprioritized if @project.group.present?
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    @project_labels = @project.labels.unprioritized.page(params[:page])
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    respond_to do |format|
      format.html
      format.json do
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        render json: @labels
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      end
    end
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  end

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  def new
    @label = @project.labels.new
  end

  def create
    @label = @project.labels.create(label_params)

    if @label.valid?
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      respond_to do |format|
        format.html { redirect_to namespace_project_labels_path(@project.namespace, @project) }
        format.json { render json: @label }
      end
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    else
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      respond_to do |format|
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        format.html { render :new }
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        format.json { render json: { message: @label.errors.messages }, status: 400 }
      end
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    end
  end

  def edit
  end

  def update
    if @label.update_attributes(label_params)
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      redirect_to namespace_project_labels_path(@project.namespace, @project)
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    else
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      render :edit
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    end
  end

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  def generate
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    Gitlab::IssuesLabels.generate(@project)
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    if params[:redirect] == 'issues'
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      redirect_to namespace_project_issues_path(@project.namespace, @project)
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    elsif params[:redirect] == 'merge_requests'
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      redirect_to namespace_project_merge_requests_path(@project.namespace,
                                                        @project)
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    else
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      redirect_to namespace_project_labels_path(@project.namespace, @project)
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    end
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  end

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  def destroy
    @label.destroy
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    @labels = labels
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    respond_to do |format|
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      format.html do
        redirect_to(namespace_project_labels_path(@project.namespace, @project),
                    notice: 'Label was removed')
      end
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      format.js
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    end
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  end

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  def remove_priority
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    respond_to do |format|
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      label = labels.find(params[:id])
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      if label.update_attribute(:priority, nil)
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        format.json { render json: label }
      else
        message = label.errors.full_messages.uniq.join('. ')
        format.json { render json: { message: message }, status: :unprocessable_entity }
      end
    end
  end

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  def set_priorities
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    Label.transaction do
      params[:label_ids].each_with_index do |label_id, index|
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        next unless labels.where(id: label_id).any?

        Label.where(id: label_id).update_all(priority: index)
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      end
    end

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    respond_to do |format|
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      format.json { render json: { message: 'success' } }
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    end
  end

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  protected

  def module_enabled
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    unless @project.feature_available?(:issues, current_user) || @project.feature_available?(:merge_requests, current_user)
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      return render_404
    end
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  end
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  def label_params
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    params.require(:label).permit(:title, :description, :color)
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  end

  def label
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    @label ||= @project.labels.find(params[:id])
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  end
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  alias_method :subscribable_resource, :label
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  def labels
    @labels ||= LabelsFinder.new(current_user, project_id: @project.id).execute
  end

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  def authorize_admin_labels!
    return render_404 unless can?(current_user, :admin_label, @project)
  end
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end