Module: Flatter::Mapper::Mapping

Extended by:
ActiveSupport::Concern
Included in:
Flatter::Mapper
Defined in:
lib/flatter/mapper/mapping.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 64

def [](name)
  mappings[name.to_s].try(:read)
end

#[]=(name, value) ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 68

def []=(name, value)
  mappings[name.to_s].try(:write, value)
end

#local_mappings ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 46

def local_mappings
  @_local_mappings ||= self.class.mappings.values.map{ |factory| factory.create(self) }
end

#mapping(name) ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 72

def mapping(name)
  mappings[name.to_s]
end

#mapping_names ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 56

def mapping_names
  @_mapping_names ||= mappings.keys
end

#mappings ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 50

def mappings
  local_mappings.each_with_object({}) do |mapping, res|
    res[mapping.name] = mapping
  end
end

#read ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 35

def read
  local_mappings.map(&:read_as_params).inject({}, :merge)
end

#writable_mapping_names ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 60

def writable_mapping_names
  mappings.select{ |_, v| !v.writer? || v.writer != false }.keys
end

#write(params) ⇒ Object 



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# File 'lib/flatter/mapper/mapping.rb', line 39

def write(params)
  params = params.with_indifferent_access
  local_mappings.each{ |mapping| mapping.write_from_params(params) }

  params
end