# Redmine - project management software
# Copyright (C) 2006-2012  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 TimeEntryQuery < Query

  self.queried_class = TimeEntry

  self.available_columns = [
    QueryColumn.new(:project, :sortable => "#{Project.table_name}.name", :groupable => true),
    QueryColumn.new(:spent_on, :sortable => ["#{TimeEntry.table_name}.spent_on", "#{TimeEntry.table_name}.created_on"]),
    QueryColumn.new(:user, :sortable => lambda {User.fields_for_order_statement}, :groupable => true),
    QueryColumn.new(:activity, :sortable => "#{TimeEntryActivity.table_name}.position", :groupable => true),
    QueryColumn.new(:issue, :sortable => "#{Issue.table_name}.id"),
    QueryColumn.new(:comments),
    QueryColumn.new(:hours, :sortable => "#{TimeEntry.table_name}.hours"),
  ]

  def initialize(attributes=nil, *args)
    super attributes
    self.filters ||= {}
    add_filter('spent_on', '*') unless filters.present?
  end

  def available_filters
    return @available_filters if @available_filters
    @available_filters = {
      "spent_on" => { :type => :date_past, :order => 0 }
    }
    @available_filters.each do |field, options|
      options[:name] ||= l(options[:label] || "field_#{field}".gsub(/_id$/, ''))
    end
    @available_filters
  end

  def default_columns_names
    @default_columns_names ||= [:project, :spent_on, :user, :activity, :issue, :comments, :hours]
  end

  # Accepts :from/:to params as shortcut filters
  def build_from_params(params)
    super
    if params[:from].present? && params[:to].present?
      add_filter('spent_on', '><', [params[:from], params[:to]])
    elsif params[:from].present?
      add_filter('spent_on', '>=', [params[:from]])
    elsif params[:to].present?
      add_filter('spent_on', '<=', [params[:to]])
    end
    self
  end
end