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83 lines
2.7 KiB
83 lines
2.7 KiB
#-- copyright
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# OpenProject is an open source project management software.
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# Copyright (C) 2012-2022 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 COPYRIGHT and LICENSE files for more details.
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#++
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class Day < ApplicationRecord
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include Tableless
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belongs_to :week_day,
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inverse_of: false,
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class_name: 'WeekDay',
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foreign_key: :day_of_week,
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primary_key: :day
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has_many :non_working_days,
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inverse_of: false,
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class_name: 'NonWorkingDay',
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foreign_key: :date,
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primary_key: :date,
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dependent: nil
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attribute :date, :date, default: nil
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attribute :day_of_week, :integer, default: nil
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attribute :working, :boolean, default: 't'
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delegate :name, to: :week_day, allow_nil: true
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def self.default_scope
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today = Time.zone.today
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from = today.at_beginning_of_month
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to = today.next_month.at_end_of_month
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from_range(from:, to:)
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.includes(:week_day)
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.includes(:non_working_days)
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.order("days.id")
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end
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def self.from_range(from:, to:)
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from(Arel.sql(from_sql(from:, to:)))
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end
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def self.from_sql(from:, to:)
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<<~SQL.squish
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(SELECT
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to_char(dd, 'YYYYMMDD')::integer id,
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date_trunc('day', dd)::date date,
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extract(isodow from dd) day_of_week,
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(COALESCE(week_days.working, TRUE) AND non_working_days.id IS NULL)::bool working
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FROM
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generate_series( '#{from}'::timestamp,
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'#{to}'::timestamp,
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'1 day'::interval) dd
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LEFT JOIN week_days
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ON extract(isodow from dd) = week_days.day
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LEFT JOIN non_working_days
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ON dd = non_working_days.date
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) days
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SQL
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end
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end
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