Class: Bridgetown::Resource::Relations

Inherits:
Object
  • Object
show all
Defined in:
bridgetown-core/lib/bridgetown-core/resource/relations.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resource) ⇒ Relations

Returns a new instance of Relations.

Parameters:



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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 15

def initialize(resource)
  @resource = resource
  @site = resource.site
  @inflector = site.config.inflector
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(type, *args) ⇒ Object 



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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 56

def method_missing(type, *args)
  return super unless type.to_s.within?(relation_types)

  resources_for_type(type)
end

Instance Attribute Details

#resource ⇒ Bridgetown::Resource::Base (readonly)

Returns:



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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 9

def resource
  @resource
end

#site ⇒ Bridgetown::Site (readonly)

Returns:



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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 12

def site
  @site
end

Instance Method Details

#relation_schema ⇒ HashWithDotAccess::Hash

Returns:



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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 22

def relation_schema
  @relation_schema ||= resource.collection.metadata.relations&.transform_values do |value|
    value.is_a?(Array) ? value.map(&:to_s) : value.to_s
  end
end

#relation_types ⇒ Array<String>

Returns:

  • (Array<String>) 


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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 29

def relation_types
  @relation_types ||= begin
    types = []
    relation_schema&.each_value do |collections|
      types << collections
      types << Array(collections).map { |item| @inflector.pluralize(item) }
    end
    types.flatten.uniq
  end
end

#resources_for_type(type) ⇒ Bridgetown::Resource::Base+

Parameters:

  • type (Symbol)

Returns:



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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 42

def resources_for_type(type)
  relation_kind = kind_of_relation_for_type(type)
  return [] unless relation_kind

  case relation_kind.to_sym
  when :belongs_to
    belongs_to_relation_for_type(type)
  when :has_many
    has_many_relation_for_type(type)
  when :has_one
    has_one_relation_for_type(type)
  end
end

#respond_to_missing?(type, *_args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 62

def respond_to_missing?(type, *_args)
  type.to_s.within?(relation_types)
end

#to_liquid ⇒ Object 



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# File 'bridgetown-core/lib/bridgetown-core/resource/relations.rb', line 66

def to_liquid
  @to_liquid ||= Drops::RelationsDrop.new(self)
end