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# frozen_string_literal: true
class List < ApplicationRecord
include Importable
belongs_to :board
belongs_to :label
has_many :list_user_preferences
enum list_type: { backlog: 0, label: 1, closed: 2, assignee: 3, milestone: 4 }
validates :board, :list_type, presence: true, unless: :importing?
validates :label, :position, presence: true, if: :label?
validates :label_id, uniqueness: { scope: :board_id }, if: :label?
validates :position, numericality: { only_integer: true, greater_than_or_equal_to: 0 }, if: :movable?
before_destroy :can_be_destroyed
scope :destroyable, -> { where(list_type: list_types.slice(*destroyable_types).values) }
scope :movable, -> { where(list_type: list_types.slice(*movable_types).values) }
scope :preload_associations, -> (user) do
preload(:board, label: :priorities)
.with_preferences_for(user)
end
scope :ordered, -> { order(:list_type, :position) }
# Loads list with preferences for given user
# if preferences exists for user or not
scope :with_preferences_for, -> (user) do
return unless user
includes(:list_user_preferences).where(list_user_preferences: { user_id: [user.id, nil] })
end
alias_method :preferences, :list_user_preferences
class << self
def destroyable_types
[:label]
end
def movable_types
[:label]
end
end
def preferences_for(user)
return preferences.build unless user
if preferences.loaded?
preloaded_preferences_for(user)
else
preferences.find_or_initialize_by(user: user)
end
end
def preloaded_preferences_for(user)
user_preferences =
preferences.find do |preference|
preference.user_id == user.id
end
user_preferences || preferences.build(user: user)
end
def update_preferences_for(user, preferences = {})
return unless user
preferences_for(user).update(preferences)
end
def destroyable?
self.class.destroyable_types.include?(list_type&.to_sym)
end
def movable?
self.class.movable_types.include?(list_type&.to_sym)
end
def title
label? ? label.name : list_type.humanize
end
def as_json(options = {})
super(options).tap do |json|
json[:collapsed] = false
if options.key?(:collapsed)
preferences = preferences_for(options[:current_user])
json[:collapsed] = preferences.collapsed?
end
if options.key?(:label)
json[:label] = label.as_json(
project: board.project,
only: [:id, :title, :description, :color],
methods: [:text_color]
)
end
end
end
private
def can_be_destroyed
throw(:abort) unless destroyable?
end
end
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