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path: root/app/controllers/queries_controller.rb
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# frozen_string_literal: true

# Redmine - project management software
# Copyright (C) 2006-2022  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class QueriesController < ApplicationController
  menu_item :issues
  before_action :find_query, :only => [:edit, :update, :destroy]
  before_action :find_optional_project, :only => [:new, :create]

  accept_api_auth :index

  include QueriesHelper

  def index
    case params[:format]
    when 'xml', 'json'
      @offset, @limit = api_offset_and_limit
    else
      @limit = per_page_option
    end
    scope = query_class.visible
    @query_count = scope.count
    @query_pages = Paginator.new @query_count, @limit, params['page']
    @queries = scope.
                    order("#{Query.table_name}.name").
                    limit(@limit).
                    offset(@offset).
                    to_a
    respond_to do |format|
      format.html {render_error :status => 406}
      format.api
    end
  end

  def new
    @query = query_class.new
    @query.user = User.current
    @query.project = @project
    @query.build_from_params(params)
    render :layout => 'admin' if params[:admin_projects]
  end

  def create
    @query = query_class.new
    @query.user = User.current
    @query.project = @project
    update_query_from_params

    if @query.save
      flash[:notice] = l(:notice_successful_create)
      redirect_to_items(:query_id => @query, :admin_projects => params[:admin_projects])
    else
      render :action => 'new', :layout => !request.xhr?
    end
  end

  def edit
    render :layout => 'admin' if params[:admin_projects]
  end

  def update
    update_query_from_params

    if @query.save
      flash[:notice] = l(:notice_successful_update)
      redirect_to_items(:query_id => @query, :admin_projects => params[:admin_projects])
    else
      render :action => 'edit'
    end
  end

  def destroy
    @query.destroy
    redirect_to_items(:set_filter => 1)
  end

  # Returns the values for a query filter
  def filter
    q = query_class.new
    if params[:project_id].present?
      q.project = Project.find(params[:project_id])
    end

    unless User.current.allowed_to?(q.class.view_permission, q.project, :global => true)
      raise Unauthorized
    end

    filter = q.available_filters[params[:name].to_s]
    values = filter ? filter.values : []

    render :json => values
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def current_menu_item
    @query ? @query.queried_class.to_s.underscore.pluralize.to_sym : nil
  end

  def current_menu(project)
    super if params[:admin_projects].nil?
  end

  private

  def find_query
    @query = Query.find(params[:id])
    @query.admin_projects = params[:admin_projects] if @query.is_a?(ProjectQuery)
    @project = @query.project
    render_403 unless @query.editable_by?(User.current)
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def update_query_from_params
    @query.project = params[:query_is_for_all] ? nil : @project
    @query.build_from_params(params)
    @query.column_names = nil if params[:default_columns]
    @query.sort_criteria = (params[:query] && params[:query][:sort_criteria]) || @query.sort_criteria
    @query.name = params[:query] && params[:query][:name]
    if User.current.allowed_to?(:manage_public_queries, @query.project) || User.current.admin?
      @query.visibility = (params[:query] && params[:query][:visibility]) || Query::VISIBILITY_PRIVATE
      @query.role_ids = params[:query] && params[:query][:role_ids]
    else
      @query.visibility = Query::VISIBILITY_PRIVATE
    end
    @query
  end

  def redirect_to_items(options)
    method = "redirect_to_#{@query.class.name.underscore}"
    send method, options
  end

  def redirect_to_issue_query(options)
    if params[:gantt]
      if @project
        redirect_to project_gantt_path(@project, options)
      else
        redirect_to issues_gantt_path(options)
      end
    elsif params[:calendar]
      if @project
        redirect_to project_calendar_path(@project, options)
      else
        redirect_to issues_calendar_path(options)
      end
    else
      redirect_to _project_issues_path(@project, options)
    end
  end

  def redirect_to_time_entry_query(options)
    redirect_to _time_entries_path(@project, nil, options)
  end

  def redirect_to_project_query(options)
    if params[:admin_projects]
      redirect_to admin_projects_path(options)
    else
      redirect_to projects_path(options)
    end
  end

  def redirect_to_user_query(options)
    redirect_to users_path(options)
  end

  # Returns the Query subclass, IssueQuery by default
  # for compatibility with previous behaviour
  def query_class
    Query.get_subclass(params[:type] || 'IssueQuery')
  end
end