kanbanworkflowstimelinescrumrubyroadmapproject-planningproject-managementopenprojectangularissue-trackerifcgantt-chartganttbug-trackerboardsbcf
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.5 KiB
74 lines
2.5 KiB
#-- copyright
|
|
# OpenProject is an open source project management software.
|
|
# Copyright (C) 2012-2020 the OpenProject GmbH
|
|
#
|
|
# 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) 2006-2017 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 docs/COPYRIGHT.rdoc for more details.
|
|
#++
|
|
|
|
# encoding: UTF-8
|
|
class Report::Transformer
|
|
attr_reader :query
|
|
|
|
def initialize(query)
|
|
@query = query
|
|
end
|
|
|
|
##
|
|
# @return [Report::Result::Base] Result tree with row group bys at the top
|
|
# @see Report::Chainable#result
|
|
def row_first
|
|
@row_first ||= query.result
|
|
end
|
|
|
|
##
|
|
# @return [Report::Result::Base] Result tree with column group bys at the top
|
|
# @see Report::Walker#row_first
|
|
def column_first
|
|
@column_first ||= begin
|
|
# reverse since we fake recursion ↓↓↓
|
|
list, all_fields = restructured.reverse, @all_fields.dup
|
|
result = list.inject(@ungrouped) do |aggregate, (current_fields, type)|
|
|
fields, all_fields = all_fields, all_fields - current_fields
|
|
aggregate.grouped_by fields, type, current_fields
|
|
end
|
|
result or query.result
|
|
end
|
|
end
|
|
|
|
##
|
|
# Important side effect: it sets @ungrouped, @all_fields.
|
|
# @return [Array<Array<Array<String,Symbol>, Symbol>>] Group by fields + types (:row or :column)
|
|
def restructured
|
|
rows, columns, current = [], [], query.chain
|
|
@all_fields = []
|
|
until current.filter?
|
|
@ungrouped = current.result if current.responsible_for_sql?
|
|
list = current.row? ? rows : columns
|
|
list << [current.group_fields, current.type]
|
|
@all_fields.push(*current.group_fields)
|
|
current = current.child
|
|
end
|
|
columns + rows
|
|
end
|
|
end
|
|
|