Module: Schema::Arrays

Defined in:
lib/schema/arrays.rb

Overview

Schema::Arrays maps the array to a schema model

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/schema/arrays.rb', line 6

def self.included(base)
  base.extend ClassMethods
end

Instance Method Details

#create_schema_with_array(field_options, array, mapped_model, offset) ⇒ Object 



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# File 'lib/schema/arrays.rb', line 72

def create_schema_with_array(field_options, array, mapped_model, offset)
  self.class.const_get(field_options[:class_name]).new.update_attributes_with_array(array, mapped_model, offset)
end

#largest_number_of_indexes_from_map(mapped_model) ⇒ Object 



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# File 'lib/schema/arrays.rb', line 76

def largest_number_of_indexes_from_map(mapped_model)
  size = 0
  mapped_model.each do |_, info|
    if info[:indexes]
      size = info[:indexes].size if info[:indexes] && info[:indexes].size > size
    else
      new_size = largest_number_of_indexes_from_map(info)
      size = new_size if new_size > size
    end
  end
  size
end

#update_attributes_with_array(array, mapped_headers, offset = nil) ⇒ Object 



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# File 'lib/schema/arrays.rb', line 17

def update_attributes_with_array(array, mapped_headers, offset = nil)
  self.class.schema.each do |_, field_options|
    next unless (mapped_field = mapped_headers[field_options[:name]])

    if offset
      next unless mapped_field[:indexes]
      next unless (index = mapped_field[:indexes][offset])
    else
      next unless (index = mapped_field[:index])
    end

    public_send(
      field_options[:setter],
      array[index]
    )
  end

  update_nested_schemas_from_array(array, mapped_headers, offset)

  self
end

#update_nested_has_many_associations_from_array(array, mapped_headers) ⇒ Object 



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# File 'lib/schema/arrays.rb', line 56

def update_nested_has_many_associations_from_array(array, mapped_headers)
  self.class.schema.each do |_, field_options|
    next unless field_options[:type] == :has_many
    next unless (mapped_model = mapped_headers[field_options[:name]])

    size = largest_number_of_indexes_from_map(mapped_model)

    instance_variable_set(
      field_options[:instance_variable],
      size.times.map do |offset|
        create_schema_with_array(field_options, array, mapped_model, offset)
      end
    )
  end
end

#update_nested_has_one_associations_from_array(array, mapped_headers, current_offset = nil) ⇒ Object 



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# File 'lib/schema/arrays.rb', line 44

def update_nested_has_one_associations_from_array(array, mapped_headers, current_offset = nil)
  self.class.schema.each do |_, field_options|
    next unless field_options[:type] == :has_one
    next unless (mapped_model = mapped_headers[field_options[:name]])

    instance_variable_set(
      field_options[:instance_variable],
      create_schema_with_array(field_options, array, mapped_model, current_offset)
    )
  end
end

#update_nested_schemas_from_array(array, mapped_headers, current_offset = nil) ⇒ Object 



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# File 'lib/schema/arrays.rb', line 39

def update_nested_schemas_from_array(array, mapped_headers, current_offset = nil)
  update_nested_has_one_associations_from_array(array, mapped_headers, current_offset)
  update_nested_has_many_associations_from_array(array, mapped_headers)
end