void AddDataSetDocument()

in firestore/android/FirestoreSnippetsCpp/app/src/main/cpp/snippets.cpp [146:178]

• 21 lines of code
• 2 McCabe index (conditional complexity)

void AddDataSetDocument(firebase::firestore::Firestore* db) {
  using firebase::Future;
  using firebase::firestore::Error;
  using firebase::firestore::FieldValue;
  using firebase::firestore::SetOptions;

  // To create or overwrite a single document, use the Set() method:
  // [START set_document]
  // Add a new document in collection 'cities'
  db->Collection("cities")
      .Document("LA")
      .Set({{"name", FieldValue::String("Los Angeles")},
            {"state", FieldValue::String("CA")},
            {"country", FieldValue::String("USA")}})
      .OnCompletion([](const Future<void>& future) {
        if (future.error() == Error::kErrorOk) {
          std::cout << "DocumentSnapshot successfully written!" << std::endl;
        } else {
          std::cout << "Error writing document: " << future.error_message()
                    << std::endl;
        }
      });
  // [END set_document]

  // If the document does not exist, it will be created. If the document does
  // exist, its contents will be overwritten with the newly provided data,
  // unless you specify that the data should be merged into the existing
  // document, as follows:
  // [START create_if_missing]
  db->Collection("cities").Document("BJ").Set(
      {{"capital", FieldValue::Boolean(true)}}, SetOptions::Merge());
  // [END create_if_missing]
}