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Contents
module Pageflow
module UploadedFile
extend ActiveSupport::Concern
included do
belongs_to :uploader, class_name: 'User', optional: true
belongs_to :entry, optional: true
belongs_to :parent_file, polymorphic: true, foreign_type: :parent_file_model_type, optional: true
has_many :usages, :as => :file, :class_name => 'Pageflow::FileUsage', :dependent => :destroy
has_many :using_revisions, :through => :usages, :source => :revision
has_many :using_entries, :through => :using_revisions, :source => :entry
has_many :using_accounts, :through => :using_entries, :source => :account
validate :parent_allows_type_for_nesting, :parent_belongs_to_same_entry
end
def parent_allows_type_for_nesting
if parent_file.present?
parent_class = parent_file.class
file_type_of_parent = Pageflow.config.file_types.find_by_model!(parent_class)
models_of_nested_file_types = file_type_of_parent.nested_file_types.map(&:model)
unless models_of_nested_file_types.include?(self.class)
errors[:base] << 'File type of provided parent file does not permit nesting files of '\
"type #{self.class.name}"
end
end
end
def parent_belongs_to_same_entry
if parent_file.present?
unless parent_file.using_entries.include?(entry)
errors[:base] << 'Parent file does not belong to same entry as nested file'
end
end
end
def nested_files(model)
model_table_name = model.table_name
model
.select("#{model_table_name}.*")
.where("#{model_table_name}.parent_file_id = #{id} AND "\
"#{model_table_name}.parent_file_model_type = '#{self.class.name}'")
end
def file_type
Pageflow.config.file_types.find_by_model!(self.class)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems