patient_extension.rb.erb in cqm-models-0.8.1

- old
+ new

@@ -21,10 +21,21 @@
   # match the given QRDA data criteria OID.
   def get_by_qrda_oid(qrda_oid)
     dataElements.where(qrdaOid: qrda_oid) || []
   end
 
+  # Shift all data element fields that deal with dates by the given value.
+  # Given value should be in seconds. Positive values shift forward, negative
+  # values shift backwards.
+  #
+  # Note: This will shift dates of the birthdate and
+  # dates on the data elements that exist on the patient.
+  def shift_dates(seconds)
+    self.birthDatetime = (birthDatetime.utc.to_time + seconds.seconds).to_datetime
+    dataElements.each { |element| element.shift_dates(seconds) }
+  end
+
   # Returns an array of elements that exist on this patient. Optionally
   # takes a category and/or, which returns all elements of that QDM
   # category. Example: patient.get_data_elements('encounters')
   # will return all Encounter QDM data types active on the patient.
   def get_data_elements(category = nil, status = nil)
@@ -189,6 +200,6 @@
 
   # Include '_type' in any JSON output. This is necessary for deserialization.
   def to_json(options = nil)
     serializable_hash(methods: :_type).to_json(options)
   end
-end
+end
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