<commit_before>class GroupsController < Groups::ApplicationController
  include IssuesAction
  include MergeRequestsAction
  include ParamsBackwardCompatibility
  include PreviewMarkdown

  respond_to :html

  before_action :authenticate_user!, only: [:new, :create]
  before_action :group, except: [:index, :new, :create]

  # Authorize
  before_action :authorize_admin_group!, only: [:edit, :update, :destroy, :projects]
  before_action :authorize_create_group!, only: [:new]

  before_action :group_projects, only: [:projects, :activity, :issues, :merge_requests]
  before_action :group_merge_requests, only: [:merge_requests]
  before_action :event_filter, only: [:activity]

  before_action :user_actions, only: [:show, :subgroups]

  layout :determine_layout

  def index
    redirect_to(current_user ? dashboard_groups_path : explore_groups_path)
  end

  def new
    @group = Group.new(params.permit(:parent_id))
  end

  def create
    @group = Groups::CreateService.new(current_user, group_params).execute

    if @group.persisted?
      notice = if @group.chat_team.present?
                 "Group '#{@group.name}' and its Mattermost team were successfully created."
               else
                 "Group '#{@group.name}' was successfully created."
               end

      redirect_to @group, notice: notice
    else
      render action: "new"
    end
  end

  def show
    respond_to do |format|
      format.html do
        @has_children = GroupDescendantsFinder.new(current_user: current_user,
                                                   parent_group: @group,
                                                   params: params).has_children?
      end

      format.atom do
        load_events
        render layout: 'xml.atom'
      end
    end
  end

  def activity
    respond_to do |format|
      format.html

      format.json do
        load_events
        pager_json("events/_events", @events.count)
      end
    end
  end

  def edit
  end

  def projects
    @projects = @group.projects.with_statistics.page(params[:page])
  end

  def update
    if Groups::UpdateService.new(@group, current_user, group_params).execute
      redirect_to edit_group_path(@group), notice: "Group '#{@group.name}' was successfully updated."
    else
      @group.restore_path!

      render action: "edit"
    end
  end

  def destroy
    Groups::DestroyService.new(@group, current_user).async_execute

    redirect_to root_path, status: 302, alert: "Group '#{@group.name}' was scheduled for deletion."
  end

  protected

  def authorize_create_group!
    allowed = if params[:parent_id].present?
                parent = Group.find_by(id: params[:parent_id])
                can?(current_user, :create_subgroup, parent)
              else
                can?(current_user, :create_group)
              end

    render_404 unless allowed
  end

  def determine_layout
    if [:new, :create].include?(action_name.to_sym)
      'application'
    elsif [:edit, :update, :projects].include?(action_name.to_sym)
      'group_settings'
    else
      'group'
    end
  end

  def group_params
    params.require(:group).permit(group_params_ce)
  end

  def group_params_ce
    [
      :avatar,
      :description,
      :lfs_enabled,
      :name,
      :path,
      :public,
      :request_access_enabled,
      :share_with_group_lock,
      :visibility_level,
      :parent_id,
      :create_chat_team,
      :chat_team_name,<commit_msg>refactor groups controller to match EE<commit_after>class GroupsController < Groups::ApplicationController
  include IssuesAction
  include MergeRequestsAction
  include ParamsBackwardCompatibility
  include PreviewMarkdown

  respond_to :html

  before_action :authenticate_user!, only: [:new, :create]
  before_action :group, except: [:index, :new, :create]

  # Authorize
  before_action :authorize_admin_group!, only: [:edit, :update, :destroy, :projects]
  before_action :authorize_create_group!, only: [:new]

  before_action :group_projects, only: [:projects, :activity, :issues, :merge_requests]
  before_action :group_merge_requests, only: [:merge_requests]
  before_action :event_filter, only: [:activity]

  before_action :user_actions, only: [:show, :subgroups]

  layout :determine_layout

  def index
    redirect_to(current_user ? dashboard_groups_path : explore_groups_path)
  end

  def new
    @group = Group.new(params.permit(:parent_id))
  end

  def create
    @group = Groups::CreateService.new(current_user, group_params).execute

    if @group.persisted?
      notice = if @group.chat_team.present?
                 "Group '#{@group.name}' and its Mattermost team were successfully created."
               else
                 "Group '#{@group.name}' was successfully created."
               end

      redirect_to @group, notice: notice
    else
      render action: "new"
    end
  end

  def show
    respond_to do |format|
      format.html do
        @has_children = GroupDescendantsFinder.new(current_user: current_user,
                                                   parent_group: @group,
                                                   params: params).has_children?
      end

      format.atom do
        load_events
        render layout: 'xml.atom'
      end
    end
  end

  def activity
    respond_to do |format|
      format.html

      format.json do
        load_events
        pager_json("events/_events", @events.count)
      end
    end
  end

  def edit
  end

  def projects
    @projects = @group.projects.with_statistics.page(params[:page])
  end

  def update
    if Groups::UpdateService.new(@group, current_user, group_params).execute
      redirect_to edit_group_path(@group), notice: "Group '#{@group.name}' was successfully updated."
    else
      @group.restore_path!

      render action: "edit"
    end
  end

  def destroy
    Groups::DestroyService.new(@group, current_user).async_execute

    redirect_to root_path, status: 302, alert: "Group '#{@group.name}' was scheduled for deletion."
  end

  protected

  def authorize_create_group!
    allowed = if params[:parent_id].present?
                parent = Group.find_by(id: params[:parent_id])
                can?(current_user, :create_subgroup, parent)
              else
                can?(current_user, :create_group)
              end

    render_404 unless allowed
  end

  def determine_layout
    if [:new, :create].include?(action_name.to_sym)
      'application'
    elsif [:edit, :update, :projects].include?(action_name.to_sym)
      'group_settings'
    else
      'group'
    end
  end

  def group_params
    params.require(:group).permit(group_params_attributes)
  end

  def group_params_attributes
    [
      :avatar,
      :description,
      :lfs_enabled,
      :name,
      :path,
      :public,
      :request_access_enabled,
      :share_with_group_lock,
      :visibility_level,
      :parent_id,
      :create_chat_team,
      :chat_team_name,
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