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117 lines
3.4 KiB
117 lines
3.4 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See doc/COPYRIGHT.rdoc for more details.
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#++
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module ::Query::Sums
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include ActionView::Helpers::NumberHelper
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def next_in_same_group?(issue = cached_issue)
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caching_issue issue do |issue|
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!last_issue? &&
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query.group_by_column.value(issue) == query.group_by_column.value(work_packages[issue_index + 1])
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end
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end
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def last_issue?(issue = cached_issue)
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caching_issue issue do |_issue|
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issue_index == work_packages.size - 1
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end
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end
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def issue_index(issue = cached_issue)
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caching_issue issue do |issue|
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work_packages.find_index(issue)
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end
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end
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def grouped_sum_of_issue(column, issue = cached_issue)
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grouped_sum_of column, group_for_issue(issue)
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end
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def grouped_sum_of(column, group)
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sum_of column, group
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end
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def grouped_sums(column)
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work_packages
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.map { |wp| query.group_by_column.value(wp) }
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.uniq
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.inject({}) do |group_sums, current_group|
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work_packages_in_current_group = work_packages.select { |wp| query.group_by_column.value(wp) == current_group }
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# TODO: sum_of only works fast when passing an AR::Relation
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group_sums.merge current_group => sum_of(column, work_packages_in_current_group)
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end
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end
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def total_sum_of(column)
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sum_of(column, work_packages)
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end
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def sum_of(column, collection)
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return nil unless should_be_summed_up?(column)
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sum = column.sum_of(collection)
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crunch(sum)
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end
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def caching_issue(issue)
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@cached_issue = issue unless @cached_issue == issue
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block_given? ? yield(issue) : issue
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end
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def cached_issue
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@cached_issue
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end
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def mapping_for(column)
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if column.respond_to? :real_value
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method(:number_to_currency)
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else
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# respond_to? :call, but do nothing
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@nilproc ||= Proc.new { |val| val }
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end
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end
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def crunch(num)
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return num if num.nil? or num.integer?
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Float(format '%.2f', num.to_f)
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end
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def group_for_issue(issue = @current_issue)
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caching_issue issue do |issue|
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work_packages.select do |is|
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query.group_by_column.value(issue) == query.group_by_column.value(is)
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end
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end
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end
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def should_be_summed_up?(column)
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column.summable? && Setting.work_package_list_summable_columns.include?(column.name.to_s)
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end
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end
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