Class: Fabrication::Transform

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/fabrication/transform.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.apply_to(schematic, attributes_hash) ⇒ Object 



8
9
10
11
 
# File 'lib/fabrication/transform.rb', line 8

def apply_to(schematic, attributes_hash)
  Fabrication.manager.load_definitions if Fabrication.manager.empty?
  attributes_hash.inject({}) { |h, (k, v)| h.update(k => instance.apply_transform(schematic, k, v)) }
end

.clear_all ⇒ Object 



13
14
15
16
 
# File 'lib/fabrication/transform.rb', line 13

def clear_all
  instance.transforms.clear
  instance.overrides.clear
end

.define(attribute, transform) ⇒ Object 



18
19
20
 
# File 'lib/fabrication/transform.rb', line 18

def define(attribute, transform)
  instance.transforms[attribute] = transform
end

.only_for(schematic, attribute, transform) ⇒ Object 



22
23
24
 
# File 'lib/fabrication/transform.rb', line 22

def only_for(schematic, attribute, transform)
  instance.overrides[schematic] = (instance.overrides[schematic] || {}).merge!(attribute => transform)
end

Instance Method Details

#apply_transform(schematic, attribute, value) ⇒ Object 



31
32
33
 
# File 'lib/fabrication/transform.rb', line 31

def apply_transform(schematic, attribute, value)
  overrides.fetch(schematic, transforms)[attribute].call(value)
end

#overrides ⇒ Object 



27
28
29
 
# File 'lib/fabrication/transform.rb', line 27

def overrides
  @overrides ||= {}
end

#transforms ⇒ Object 



35
36
37
 
# File 'lib/fabrication/transform.rb', line 35

def transforms
  @transforms ||= Hash.new(->(value) { value })
end