Module: ActiveRecord::HashidsUri::ClassMethods

Defined in:
lib/hashids_uri.rb

Instance Method Summary collapse

Instance Method Details

#find(*args) ⇒ Object

Raises:

  • (ActiveRecord::RecordNotFound) 


31
32
33
34
35
36
 
# File 'lib/hashids_uri.rb', line 31

def find(*args)
  id = args.first
  return super if args.count != 1 || (Integer(id) rescue false)
  find_by_hash(id).tap { |result| return result unless result.nil? }
  raise ActiveRecord::RecordNotFound, "cannot find record with hash id: #{id.inspect}"
end

#find_by_hash(hash) ⇒ Object 



22
23
24
25
26
27
28
29
 
# File 'lib/hashids_uri.rb', line 22

def find_by_hash(hash)
  decoded_id = ::Hashids.new(
    self.salt,
    self.min_length
  ).decode(hash).first

  find(decoded_id)
end

#has_hashids_uri(options = {}) ⇒ Object 



12
13
14
15
16
17
18
19
20
 
# File 'lib/hashids_uri.rb', line 12

def has_hashids_uri(options = {})
  class_attribute :salt, :min_length

  self.salt = options.fetch(:salt, '')
  self.min_length = options.fetch(:min_length, 6)

  define_method(:hashid) { read_attribute(:hashid) || generate_hashid }
  after_create { update_attribute(:hashid, generate_hashid) unless hashid? }
end