Module: ActiveModel::Embedding::Collecting

Includes:
ForbiddenAttributesProtection
Included in:
Collection
Defined in:
lib/active_model/embedding/collecting.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#document_class ⇒ Object (readonly)

Returns the value of attribute document_class.



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# File 'lib/active_model/embedding/collecting.rb', line 8

def document_class
  @document_class
end

#documents ⇒ Object (readonly) Also known as: to_a

Returns the value of attribute documents.



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# File 'lib/active_model/embedding/collecting.rb', line 8

def documents
  @documents
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 103

def ==(other)
  documents.map(&:attributes) == other.map(&:attributes)
end

#as_json ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 95

def as_json
  documents.as_json
end

#attributes=(documents_attributes) ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 17

def attributes=(documents_attributes)
  documents_attributes = sanitize_for_mass_assignment(documents_attributes)

  case documents_attributes
  when Hash
    documents_attributes.each do |index, document_attributes|
      index    = index.to_i
      id       = fetch_id(document_attributes) || index
      document = find_by_id id if id

      unless document
        document = documents[index] || build
      end

      document.attributes = document_attributes
    end
  when Array
    documents_attributes.each do |document_attributes|
      id       = fetch_id(document_attributes)
      document = find_by_id id if id

      unless document
        document = build
      end

      document.attributes = document_attributes
    end
  else
    raise_attributes_error
  end
end

#build(attributes = {}) ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 53

def build(attributes = {})
  case attributes
  when Hash
    document = document_class.new(attributes)

    append document

    document
  when Array
    attributes.map do |document_attributes|
      build(document_attributes)
    end
  else
    raise_attributes_error
  end
end

#each ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 89

def each
  return self.to_enum unless block_given?

  documents.each { |document| yield document }
end

#find_by_id(id) ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 49

def find_by_id(id)
  documents.find { |document| document.id == id }
end

#initialize(documents) ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 12

def initialize(documents)
  @documents      = documents
  @document_class = documents.first.class
end

#push(*new_documents) ⇒ Object Also known as: <<, append 



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# File 'lib/active_model/embedding/collecting.rb', line 70

def push(*new_documents)
  new_documents = new_documents.flatten

  valid_documents = new_documents.all? { |document| document.is_a? document_class }

  unless valid_documents
    raise ArgumentError, "Expect arguments to be of class #{document_class}"
  end

  @documents.push(*new_documents)
end

#save ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 85

def save
  documents.all?(&:save)
end

#to_json ⇒ Object 



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# File 'lib/active_model/embedding/collecting.rb', line 99

def to_json
  as_json.to_json
end