Class: Chronicle::Serialization::Record

Inherits:
Object
  • Object
show all
Defined in:
lib/chronicle/serialization/record.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(properties: {}, type: nil, id: nil, meta: {}, schema: nil) ⇒ Record

Returns a new instance of Record.



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# File 'lib/chronicle/serialization/record.rb', line 10

def initialize(properties: {}, type: nil, id: nil, meta: {}, schema: nil)
  @properties = properties
  @type = type
  @id = id
  @meta = meta
  @schema = schema
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/chronicle/serialization/record.rb', line 4

def id
  @id
end

#meta ⇒ Object (readonly)

Returns the value of attribute meta.



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# File 'lib/chronicle/serialization/record.rb', line 4

def meta
  @meta
end

#properties ⇒ Object (readonly)

Returns the value of attribute properties.



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# File 'lib/chronicle/serialization/record.rb', line 4

def properties
  @properties
end

#schema ⇒ Object (readonly)

Returns the value of attribute schema.



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# File 'lib/chronicle/serialization/record.rb', line 4

def schema
  @schema
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/chronicle/serialization/record.rb', line 4

def type
  @type
end

Class Method Details

.build_from_model(model) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/chronicle/serialization/record.rb', line 18

def self.build_from_model(model)
  raise ArgumentError, 'model must be a Chronicle::Models::Base' unless model.is_a?(Chronicle::Models::Base)

  properties = model.properties.transform_values do |v|
    if v.is_a?(Array)
      v.map do |record|
        if record.is_a?(Chronicle::Models::Base)
          Record.build_from_model(record)
        else
          record
        end
      end
    elsif v.is_a?(Chronicle::Models::Base)
      Record.build_from_model(v)
    else
      v
    end
  end.compact

  new(
    properties:,
    type: model.type_id,
    id: model.id,
    meta: model.meta,
    schema: :chronicle
  )
end

Instance Method Details

#association_properties ⇒ Object 



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# File 'lib/chronicle/serialization/record.rb', line 46

def association_properties
  # select properties whose values are a record, or are an array that contain a record
  properties.select do |_k, v|
    if v.is_a?(Array)
      v.any? { |record| record.is_a?(Chronicle::Serialization::Record) }
    else
      v.is_a?(Chronicle::Serialization::Record)
    end
  end
end

#attribute_properties ⇒ Object 



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# File 'lib/chronicle/serialization/record.rb', line 57

def attribute_properties
  properties.except(*association_properties.keys)
end

#to_h ⇒ Object 



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# File 'lib/chronicle/serialization/record.rb', line 61

def to_h
  properties.transform_values do |v|
    if v.is_a?(Array)
      v.map do |item|
        value_to_h(item)
      end
    else
      value_to_h(v)
    end
  end.merge({ type:, id: }).compact
end

#value_to_h(v) ⇒ Object 



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# File 'lib/chronicle/serialization/record.rb', line 73

def value_to_h(v)
  if v.is_a?(Array)
    v.map do |item|
      if item.is_a?(Chronicle::Serialization::Record)
        item.to_h
      else
        item
      end
    end
  elsif v.is_a?(Chronicle::Serialization::Record)
    v.to_h
  else
    v
  end
end