Class: FunWithJsonApi::FindCollectionFromDocument
- Inherits:
-
Object
- Object
- FunWithJsonApi::FindCollectionFromDocument
- Defined in:
- lib/fun_with_json_api/find_collection_from_document.rb
Instance Attribute Summary collapse
-
#deserializer ⇒ Object
readonly
Returns the value of attribute deserializer.
-
#document ⇒ Object
readonly
Returns the value of attribute document.
Class Method Summary collapse
Instance Method Summary collapse
- #document_ids ⇒ Object
- #document_is_valid_collection? ⇒ Boolean
- #document_types ⇒ Object
- #find ⇒ Object
-
#initialize(document, deserializer) ⇒ FindCollectionFromDocument
constructor
A new instance of FindCollectionFromDocument.
- #resource_type ⇒ Object
Constructor Details
#initialize(document, deserializer) ⇒ FindCollectionFromDocument
Returns a new instance of FindCollectionFromDocument.
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 16 def initialize(document, deserializer) @document = FunWithJsonApi.sanitize_document(document) @deserializer = deserializer end |
Instance Attribute Details
#deserializer ⇒ Object (readonly)
Returns the value of attribute deserializer.
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 13 def deserializer @deserializer end |
#document ⇒ Object (readonly)
Returns the value of attribute document.
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 12 def document @document end |
Class Method Details
.find ⇒ Object
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 6 def self.find(...) new(...).find end |
Instance Method Details
#document_ids ⇒ Object
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 37 def document_ids @document_id ||= document['data'].map { |item| item['id'] } end |
#document_is_valid_collection? ⇒ Boolean
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 49 def document_is_valid_collection? document.key?('data') && document['data'].is_a?(Array) end |
#document_types ⇒ Object
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 41 def document_types @document_type ||= document['data'].map { |item| item['type'] }.uniq end |
#find ⇒ Object
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 21 def find raise build_invalid_document_error unless document_is_valid_collection? # Skip the checks, no point running through them for an empty array return [] if document_ids.empty? # Ensure the document matches the expected resource check_document_types_match_deserializer! # Load resource from id value deserializer.load_collection_from_id_values(document_ids).tap do |collection| check_collection_contains_all_requested_resources!(collection) (collection) end end |
#resource_type ⇒ Object
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# File 'lib/fun_with_json_api/find_collection_from_document.rb', line 45 def resource_type @resource_type ||= deserializer.type end |