78 lines
2.3 KiB
Ruby
78 lines
2.3 KiB
Ruby
|
class SkinParent < ApplicationRecord
|
||
|
|
belongs_to :child_skin, class_name: "Skin", touch: true
|
||
|
|
belongs_to :parent_skin, class_name: "Skin"
|
||
|
|
|
||
|
|
validates :position,
|
||
|
|
uniqueness: {scope: [:child_skin_id, :parent_skin_id], message: ts("^Position has to be unique for each parent.")},
|
||
|
|
numericality: {only_integer: true, greater_than: 0}
|
||
|
|
|
||
|
|
validates_presence_of :child_skin, :parent_skin
|
||
|
|
|
||
|
|
validate :no_site_parent
|
||
|
|
def no_site_parent
|
||
|
|
return unless parent_skin&.get_role == "site" && %w[override site].exclude?(child_skin.get_role)
|
||
|
|
|
||
|
|
errors.add(:base, :site_parent, title: parent_skin.title)
|
||
|
|
end
|
||
|
|
|
||
|
|
validate :no_circular_skin
|
||
|
|
def no_circular_skin
|
||
|
|
if parent_skin == child_skin
|
||
|
|
errors.add(:base, ts("^You can't make a skin its own parent"))
|
||
|
|
end
|
||
|
|
parent_ids = SkinParent.get_all_parent_ids(self.child_skin_id)
|
||
|
|
if parent_ids.include?(self.parent_skin_id)
|
||
|
|
errors.add(:base, ts("^%{parent_title} is already a parent of %{child_title}", child_title: child_skin.title, parent_title: parent_skin.title))
|
||
|
|
end
|
||
|
|
|
||
|
|
child_ids = SkinParent.get_all_child_ids(self.child_skin_id)
|
||
|
|
if child_ids.include?(self.parent_skin_id)
|
||
|
|
errors.add(:base, ts("^%{parent_title} is a child of %{child_title}", child_title: child_skin.title, parent_title: parent_skin.title))
|
||
|
|
end
|
||
|
|
|
||
|
|
# also don't allow duplication
|
||
|
|
|
||
|
|
end
|
||
|
|
|
||
|
|
# Takes as argument the ID of the skin to start at, and a block that should
|
||
|
|
# take a list of skin IDs and produce a list of "adjacent" skin IDs (i.e.
|
||
|
|
# parents or children).
|
||
|
|
def self.search_skin_ids(root_id)
|
||
|
|
found = Set.new([root_id])
|
||
|
|
boundary = [root_id]
|
||
|
|
|
||
|
|
until boundary.empty?
|
||
|
|
new_boundary = yield boundary
|
||
|
|
|
||
|
|
boundary = []
|
||
|
|
|
||
|
|
new_boundary.each do |skin_id|
|
||
|
|
boundary << skin_id if found.add?(skin_id)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
found.delete(root_id)
|
||
|
|
found.to_a
|
||
|
|
end
|
||
|
|
|
||
|
|
def self.get_all_parent_ids(skin_id)
|
||
|
|
search_skin_ids(skin_id) do |skin_ids|
|
||
|
|
SkinParent.where(child_skin_id: skin_ids).pluck(:parent_skin_id)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def self.get_all_child_ids(skin_id)
|
||
|
|
search_skin_ids(skin_id) do |skin_ids|
|
||
|
|
SkinParent.where(parent_skin_id: skin_ids).pluck(:child_skin_id)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def parent_skin_title
|
||
|
|
self.parent_skin.try(:title) || ""
|
||
|
|
end
|
||
|
|
|
||
|
|
def parent_skin_title=(title)
|
||
|
|
self.parent_skin = Skin.find_by(title: title)
|
||
|
|
end
|
||
|
|
end
|