Class: Odca::SchemaParser

Inherits:
Object
  • Object
show all
Defined in:
lib/odca/schema_parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(records, overlay_dtos) ⇒ SchemaParser

Returns a new instance of SchemaParser.



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# File 'lib/odca/schema_parser.rb', line 5

def initialize(records, overlay_dtos)
  @records = records
  @overlay_dtos = overlay_dtos
end

Instance Attribute Details

#overlay_dtos ⇒ Object (readonly)

Returns the value of attribute overlay_dtos.



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# File 'lib/odca/schema_parser.rb', line 3

def overlay_dtos
  @overlay_dtos
end

#records ⇒ Object (readonly)

Returns the value of attribute records.



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# File 'lib/odca/schema_parser.rb', line 3

def records
  @records
end

Instance Method Details

#add_attribute(to:, attr_name:, value:) ⇒ Object 



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# File 'lib/odca/schema_parser.rb', line 70

def add_attribute(to:, attr_name:, value:)
  overlay = to
  overlay_name = overlay.class.name.split('::').last
  begin
    attribute_class = overlay.class
      .const_get(overlay_name.gsub('Overlay', 'Attribute'))
    validator_class = overlay.class
      .const_get('InputValidator')
  rescue => e
    raise "Not found Attribute Class for '#{overlay_name}': #{e}"
  end

  overlay.add_attribute(
    attribute_class.new(
      validator_class.new(
        attr_name: attr_name,
        value: value
      ).call
    )
  )
end

#call ⇒ Object 



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# File 'lib/odca/schema_parser.rb', line 10

def call
  return unless records.first[0]
  schema_base = Odca::SchemaBase.new(
    Odca::SchemaBase::Header.new(
      name: records.first[0],
      description: records.first[1],
      classification: records.first[2]
    )
  )

  overlay_attrs = {}
  overlay_indexes = overlay_dtos.map(&:index)

  records.each do |row|
    attr_name = row[3]
    attr_type = row[4]

    next unless attr_name && attr_type

    schema_base.add_attribute(
      SchemaBase::Attribute.new(
        name: attr_name,
        type: attr_type,
        pii: row[5]
      )
    )
    overlay_indexes.each do |ov_index|
      next unless row[ov_index]
      (overlay_attrs[ov_index] ||= []) << {
        name: attr_name,
        value: row[ov_index]
      }
    end
  end

  overlays = []
  overlay_dtos.each do |overlay_dto|
    attrs = overlay_attrs[overlay_dto.index]
    next unless attrs

    overlay = create_overlay(overlay_dto)
    attrs.each do |attr|
      add_attribute(
        to: overlay,
        attr_name: attr[:name],
        value: attr[:value]
      )
    end
    overlays << Odca::HeadfulOverlay.new(
      parentful_overlay: Odca::ParentfulOverlay.new(
        parent: schema_base, overlay: overlay
      ),
      role: overlay_dto.role,
      purpose: overlay_dto.purpose
    )
  end

  [schema_base, overlays]
end