OpenProject is the leading open source project management software.
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openproject/app/models/query/sums.rb

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#-- 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.
#++
module ::Query::Sums
include ActionView::Helpers::NumberHelper
def next_in_same_group?(issue = cached_issue)
caching_issue issue do |issue|
!last_issue? &&
query.group_by_column.value(issue) == query.group_by_column.value(work_packages[issue_index + 1])
end
end
def last_issue?(issue = cached_issue)
caching_issue issue do |_issue|
issue_index == work_packages.size - 1
end
end
def issue_index(issue = cached_issue)
caching_issue issue do |issue|
work_packages.find_index(issue)
end
end
def grouped_sum_of_issue(column, issue = cached_issue)
grouped_sum_of column, group_for_issue(issue)
end
def grouped_sum_of(column, group)
sum_of column, group
end
def grouped_sums(column)
work_packages
.map { |wp| query.group_by_column.value(wp) }
.uniq
.inject({}) do |group_sums, current_group|
work_packages_in_current_group = work_packages.select { |wp| query.group_by_column.value(wp) == current_group }
# TODO: sum_of only works fast when passing an AR::Relation
group_sums.merge current_group => sum_of(column, work_packages_in_current_group)
end
end
def total_sum_of(column)
sum_of(column, work_packages)
end
def sum_of(column, collection)
return nil unless should_be_summed_up?(column)
sum = column.sum_of(collection)
crunch(sum)
end
def caching_issue(issue)
@cached_issue = issue unless @cached_issue == issue
block_given? ? yield(issue) : issue
end
def cached_issue
@cached_issue
end
def mapping_for(column)
if column.respond_to? :real_value
method(:number_to_currency)
else
# respond_to? :call, but do nothing
@nilproc ||= Proc.new { |val| val }
end
end
def crunch(num)
return num if num.nil? or num.integer?
Float(format '%.2f', num.to_f)
end
def group_for_issue(issue = @current_issue)
caching_issue issue do |issue|
work_packages.select do |is|
query.group_by_column.value(issue) == query.group_by_column.value(is)
end
end
end
def should_be_summed_up?(column)
column.summable? && Setting.work_package_list_summable_columns.include?(column.name.to_s)
end
end