#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See doc/COPYRIGHT.rdoc for more details.
#++

class WorkPackages::CalendarsController < ApplicationController
  menu_item :calendar
  before_filter :find_optional_project

  rescue_from Query::StatementInvalid, with: :query_statement_invalid

  include QueriesHelper
  include SortHelper

  def index
    if params[:year] and params[:year].to_i > 1900
      @year = params[:year].to_i
      if params[:month] and params[:month].to_i > 0 and params[:month].to_i < 13
        @month = params[:month].to_i
      end
    end
    @year ||= Date.today.year
    @month ||= Date.today.month

    @calendar = Redmine::Helpers::Calendar.new(Date.civil(@year, @month, 1), current_language, :month)
    retrieve_query
    @query.group_by = nil
    if @query.valid?
      events = @query.results(
        conditions: [
          "((#{WorkPackage.table_name}.start_date BETWEEN ? AND ?) OR
            (#{WorkPackage.table_name}.due_date BETWEEN ? AND ?))",
          @calendar.startdt, @calendar.enddt,
          @calendar.startdt, @calendar.enddt
        ]).work_packages
      events += @query.results(conditions: [
        "#{Version.table_name}.effective_date BETWEEN ? AND ?",
        @calendar.startdt,
        @calendar.enddt
      ]).versions

      @calendar.events = events
    end

    render layout: !request.xhr?
  end

  private

  def default_breadcrumb
    l(:label_calendar)
  end
end