113 lines
3.4 KiB
Ruby
113 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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module WorkItems
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class ParentLink < ApplicationRecord
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include RelativePositioning
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self.table_name = 'work_item_parent_links'
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MAX_CHILDREN = 100
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PARENT_TYPES = [:issue, :incident].freeze
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belongs_to :work_item
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belongs_to :work_item_parent, class_name: 'WorkItem'
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validates :work_item_parent, presence: true
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validates :work_item, presence: true, uniqueness: true
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validate :validate_hierarchy_restrictions
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validate :validate_cyclic_reference
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validate :validate_same_project
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validate :validate_max_children
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validate :validate_confidentiality
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scope :for_parents, ->(parent_ids) { where(work_item_parent_id: parent_ids) }
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class << self
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def has_public_children?(parent_id)
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joins(:work_item).where(work_item_parent_id: parent_id, 'issues.confidential': false).exists?
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end
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def has_confidential_parent?(id)
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link = find_by_work_item_id(id)
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return false unless link
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link.work_item_parent.confidential?
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end
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def relative_positioning_query_base(parent_link)
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where(work_item_parent_id: parent_link.work_item_parent_id)
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end
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def relative_positioning_parent_column
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:work_item_parent_id
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end
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def for_work_item(work_item)
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find_or_initialize_by(work_item: work_item)
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end
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end
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private
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def validate_same_project
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return if work_item.nil? || work_item_parent.nil?
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if work_item.resource_parent != work_item_parent.resource_parent
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errors.add :work_item_parent, _('parent must be in the same project as child.')
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end
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end
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def validate_max_children
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return unless work_item_parent
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max = persisted? ? MAX_CHILDREN : MAX_CHILDREN - 1
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if work_item_parent.child_links.count > max
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errors.add :work_item_parent, _('parent already has maximum number of children.')
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end
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end
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def validate_confidentiality
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return unless work_item_parent && work_item
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if work_item_parent.confidential? && !work_item.confidential?
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errors.add :work_item, _("cannot assign a non-confidential work item to a confidential "\
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"parent. Make the work item confidential and try again.")
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end
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end
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def validate_hierarchy_restrictions
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return unless work_item && work_item_parent
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restriction = ::WorkItems::HierarchyRestriction
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.find_by_parent_type_id_and_child_type_id(work_item_parent.work_item_type_id, work_item.work_item_type_id)
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if restriction.nil?
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errors.add :work_item, _('is not allowed to add this type of parent')
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return
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end
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validate_depth(restriction.maximum_depth)
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end
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def validate_depth(depth)
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return unless depth
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return if work_item.work_item_type_id != work_item_parent.work_item_type_id
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if work_item_parent.same_type_base_and_ancestors.count + work_item.same_type_descendants_depth > depth
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errors.add :work_item, _('reached maximum depth')
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end
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end
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def validate_cyclic_reference
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return unless work_item_parent&.id && work_item&.id
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if work_item.id == work_item_parent.id
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errors.add :work_item, _('is not allowed to point to itself')
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end
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if work_item_parent.ancestors.detect { |ancestor| work_item.id == ancestor.id }
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errors.add :work_item, _('is already present in ancestors')
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end
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end
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end
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end
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