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403c10091f
Patch by Katsuya HIDAKA (user:hidakatsuya). git-svn-id: https://svn.redmine.org/redmine/trunk@23755 e93f8b46-1217-0410-a6f0-8f06a7374b81
66 lines
2.3 KiB
Ruby
66 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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# Redmine - project management software
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# Copyright (C) 2006- Jean-Philippe Lang
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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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class Reaction < ApplicationRecord
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belongs_to :reactable, polymorphic: true
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belongs_to :user
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validates :reactable_type, inclusion: { in: Redmine::Reaction::REACTABLE_TYPES }
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scope :by, ->(user) { where(user: user) }
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scope :for_reactable, ->(reactable) { where(reactable: reactable) }
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# Represents reaction details for a reactable object
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Detail = Struct.new(
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# Total number of reactions
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:reaction_count,
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# Users who reacted and are visible to the target user
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:visible_users,
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# Reaction of the target user
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:user_reaction
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) do
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def initialize(reaction_count: 0, visible_users: [], user_reaction: nil)
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super
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end
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end
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def self.build_detail_map_for(reactables, user)
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reactions = preload(:user)
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.for_reactable(reactables)
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.select(:id, :reactable_id, :user_id)
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.order(id: :desc)
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# Prepare IDs of users who reacted and are visible to the user
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visible_user_ids = User.visible(user)
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.joins(:reactions)
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.where(reactions: for_reactable(reactables))
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.pluck(:id).to_set
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reactions.each_with_object({}) do |reaction, m|
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m[reaction.reactable_id] ||= Detail.new
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m[reaction.reactable_id].then do |detail|
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detail.reaction_count += 1
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detail.visible_users << reaction.user if visible_user_ids.include?(reaction.user.id)
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detail.user_reaction = reaction if reaction.user == user
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end
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end
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end
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end
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