Class: FlexTrans::Mapper

Inherits:
Object
  • Object
show all
Defined in:
lib/flex_trans/mapper.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mapping_attributes: [], mapping_type: nil) ⇒ Mapper

Returns a new instance of Mapper.



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# File 'lib/flex_trans/mapper.rb', line 15

def initialize(mapping_attributes: [], mapping_type: nil)
  @mapping_attributes = mapping_attributes
  @mapping_type = mapping_type
end

Class Method Details

.mapping_attributes(*mapping_attributes) ⇒ Object 



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# File 'lib/flex_trans/mapper.rb', line 6

def mapping_attributes(*mapping_attributes)
  new(mapping_attributes: mapping_attributes)
end

.mapping_type(mapping_type) ⇒ Object 



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# File 'lib/flex_trans/mapper.rb', line 10

def mapping_type(mapping_type)
  new(mapping_type: mapping_type)
end

Instance Method Details

#current_mapping_attributes ⇒ Object 



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# File 'lib/flex_trans/mapper.rb', line 42

def current_mapping_attributes
  @mapping_attributes
end

#current_mapping_type ⇒ Object 



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# File 'lib/flex_trans/mapper.rb', line 38

def current_mapping_type
  @mapping_type || FlexTrans::Struct.new(*current_mapping_attributes)
end

#map(relation, limit: nil) ⇒ Object 



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# File 'lib/flex_trans/mapper.rb', line 29

def map(relation, limit: nil)
  # Just fake it
  [current_mapping_type.new(id: 1, name: 'Akira Suenami')]

  # relation.limit(limit).pluck(attributes).map do |record|
  #   mapping_type.new(record)
  # end
end

#mapping_attributes(*mapping_attributes) ⇒ Object 



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# File 'lib/flex_trans/mapper.rb', line 20

def mapping_attributes(*mapping_attributes)
  new_attribues = (@mapping_attributes + mapping_attributes).uniq
  self.class.new(mapping_attributes: new_attribues, mapping_type: @mapping_type)
end

#mapping_type(mapping_type) ⇒ Object 



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# File 'lib/flex_trans/mapper.rb', line 25

def mapping_type(mapping_type)
  self.class.new(mapping_attributes: @mapping_attributes, mapping_type: mapping_type)
end