Class: LlmGateway::FluentMapper::MapperInstance

Inherits:
Object
  • Object
show all
Defined in:
lib/llm_gateway/fluent_mapper.rb

Instance Method Summary collapse

Constructor Details

#initialize(data, mappers, mappings) ⇒ MapperInstance

Returns a new instance of MapperInstance.



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# File 'lib/llm_gateway/fluent_mapper.rb', line 36

def initialize(data, mappers, mappings)
  @data = data.respond_to?(:with_indifferent_access) ? data.with_indifferent_access : data
  @mappers = mappers
  @mappings = mappings
  @mapper_definitions = {}

  # Execute mapper definitions
  mappers.each do |name, block|
    @mapper_definitions[name] = MapperDefinition.new
    @mapper_definitions[name].instance_eval(&block)
  end
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/llm_gateway/fluent_mapper.rb', line 49

def call
  result = {}

  @mappings.each do |mapping|
    field = mapping[:field]
    options = mapping[:options]
    block = mapping[:block]

    from_path = options[:from] || field.to_s
    default_value = options[:default]

    value = get_nested_value(@data, from_path)
    value = default_value if value.nil? && !default_value.nil?

    value = instance_exec(field, value, &block) if block

    result[field] = value
  end

  LlmGateway::Utils.deep_symbolize_keys(result)
end

#map_collection(collection, options = {}) ⇒ Object 



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# File 'lib/llm_gateway/fluent_mapper.rb', line 102

def map_collection(collection, options = {})
  default_value = options[:default]
  return default_value if collection.nil? && !default_value.nil?
  return [] if collection.nil?

  collection.map { |item| map_single(item, options) }
end

#map_single(data, options = {}) ⇒ Object 



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# File 'lib/llm_gateway/fluent_mapper.rb', line 71

def map_single(data, options = {})
  mapper_name = options[:with]
  default_value = options[:default]
  return default_value if data.nil? && !default_value.nil?
  return data unless mapper_name && @mapper_definitions[mapper_name]

  # Apply with_indifferent_access to data
  data = data.respond_to?(:with_indifferent_access) ? data.with_indifferent_access : data

  mapper_def = @mapper_definitions[mapper_name]
  result = {}

  mapper_def.mappings.each do |mapping|
    field = mapping[:field]
    map_options = mapping[:options]
    block = mapping[:block]

    from_path = map_options[:from] || field.to_s
    field_default_value = map_options[:default]

    value = get_nested_value(data, from_path)
    value = field_default_value if value.nil? && !field_default_value.nil?

    value = instance_exec(field, value, &block) if block

    result[field.to_s] = value
  end

  result
end