Class: Philiprehberger::DataMapper::FieldDefinition

Inherits:
Object
  • Object
show all
Defined in:
lib/philiprehberger/data_mapper/field_definition.rb

Constant Summary collapse

BOOLEAN_TRUE_VALUES = 
%w[true 1 yes].freeze
BOOLEAN_FALSE_VALUES = 
%w[false 0 no].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target, **opts, &transform) ⇒ FieldDefinition

Returns a new instance of FieldDefinition.



11
12
13
14
15
16
17
18
19
20
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 11

def initialize(target, **opts, &transform)
  @target = target
  @source = opts[:from] || target
  @default = opts[:default]
  @type = opts[:type]
  @condition = opts[:if]
  @validator = opts[:validate]
  @split_delimiter = opts[:split]
  @transform = transform
end

Instance Attribute Details

#condition ⇒ Object (readonly)

Returns the value of attribute condition.



6
7
8
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 6

def condition
  @condition
end

#default ⇒ Object (readonly)

Returns the value of attribute default.



6
7
8
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 6

def default
  @default
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



6
7
8
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 6

def source
  @source
end

#split_delimiter ⇒ Object (readonly)

Returns the value of attribute split_delimiter.



6
7
8
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 6

def split_delimiter
  @split_delimiter
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



6
7
8
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 6

def target
  @target
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



6
7
8
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 6

def type
  @type
end

#validator ⇒ Object (readonly)

Returns the value of attribute validator.



6
7
8
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 6

def validator
  @validator
end

Instance Method Details

#apply(value) ⇒ Object 



22
23
24
25
26
27
28
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 22

def apply(value)
  value = @default if value.nil?
  value = value.to_s.split(@split_delimiter) if @split_delimiter && value.is_a?(String)
  value = @transform.call(value) if @transform
  value = coerce(value) if @type
  value
end

#conditional? ⇒ Boolean

Returns:

  • (Boolean) 


30
31
32
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 30

def conditional?
  !@condition.nil?
end

#include?(record) ⇒ Boolean

Returns:

  • (Boolean) 


34
35
36
37
38
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 34

def include?(record)
  return true unless conditional?

  @condition.call(record)
end

#valid?(value) ⇒ Boolean

Returns:

  • (Boolean) 


40
41
42
43
44
 
# File 'lib/philiprehberger/data_mapper/field_definition.rb', line 40

def valid?(value)
  return true unless @validator

  @validator.call(value)
end