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109 lines
3.2 KiB
109 lines
3.2 KiB
#-- copyright
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# OpenProject is an open source project management software.
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# Copyright (C) 2012-2021 the OpenProject GmbH
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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 docs/COPYRIGHT.rdoc for more details.
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#++
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class Burndown
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def initialize(sprint, project, _burn_direction = nil)
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@sprint_id = sprint.id
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make_date_series sprint
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series_data = OpenProject::Backlogs::Burndown::SeriesRawData.new(project,
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sprint,
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points: ['story_points'])
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series_data.collect_data
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calculate_series series_data
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determine_max
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end
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attr_reader :days, :sprint_id, :max, :story_points, :story_points_ideal
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def series(_select = :active)
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@available_series
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end
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private
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def make_date_series(sprint)
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@days = sprint.days
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end
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def calculate_series(series_data)
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series_data.collect_names.each do |c|
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# need to differentiate between hours and sp
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make_series c.to_sym, series_data.unit_for(c), series_data[c].to_a.sort_by(&:first).map(&:last)
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end
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calculate_ideals(series_data)
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end
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def calculate_ideals(data)
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(['story_points'] & data.collect_names).each do |ideal|
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calculate_ideal(ideal, data.unit_for(ideal))
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end
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end
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def calculate_ideal(name, unit)
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max = send(name).first || 0.0
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delta = max / (days.size - 1)
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ideal = []
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days.each_with_index do |_d, i|
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ideal[i] = max - delta * i
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end
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make_series name.to_s + '_ideal', unit, ideal
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end
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def make_series(name, units, data)
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@available_series ||= {}
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s = OpenProject::Backlogs::Burndown::Series.new(data, name, units)
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@available_series[name] = s
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instance_variable_set("@#{name}", s)
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end
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def determine_max
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@max = {
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points: @available_series.values.select { |s| s.unit == :points }.flatten.compact.reject(&:nan?).max || 0.0,
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hours: @available_series.values.select { |s| s.unit == :hours }.flatten.compact.reject(&:nan?).max || 0.0
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}
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end
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def to_h(keys, values)
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Hash[*keys.zip(values).flatten]
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end
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def workday_before(date = Date.today)
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d = date - 1
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# TODO: make weekday configurable
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d = workday_before(d) unless d.wday > 0 and d.wday < 6
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d
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end
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end
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