debian-mirror-gitlab/app/finders/resource_milestone_event_finder.rb

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# frozen_string_literal: true
class ResourceMilestoneEventFinder
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def initialize(current_user, eventable)
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@current_user = current_user
@eventable = eventable
end
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# Returns the ResourceMilestoneEvents of the eventable
# visible to the user.
#
# @return ResourceMilestoneEvent::ActiveRecord_AssociationRelation
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def execute
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eventable.resource_milestone_events.include_relations
.where(milestone_id: readable_milestone_ids) # rubocop: disable CodeReuse/ActiveRecord
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end
private
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attr_reader :current_user, :eventable
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def readable_milestone_ids
readable_milestones = events_milestones.select do |milestone|
parent_availabilities[key_for_parent(milestone.parent)]
end
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readable_milestones.map(&:id).uniq
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end
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# rubocop: disable CodeReuse/ActiveRecord
def events_milestones
@events_milestones ||= Milestone.where(id: unique_milestone_ids_from_events)
.includes(:project, :group)
end
# rubocop: enable CodeReuse/ActiveRecord
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def relevant_milestone_parents
events_milestones.map(&:parent).uniq
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end
def parent_availabilities
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@parent_availabilities ||= relevant_milestone_parents.to_h do |parent|
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[key_for_parent(parent), Ability.allowed?(current_user, :read_milestone, parent)]
end
end
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# rubocop: disable CodeReuse/ActiveRecord
def unique_milestone_ids_from_events
eventable.resource_milestone_events.select(:milestone_id).distinct
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def key_for_parent(parent)
"#{parent.class.name}_#{parent.id}"
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end
end