Add procalcitonin to summary

elcid/api.py

@@ -265,6 +265,7 @@ class InfectionServiceTestSummaryApi(LoginRequiredViewset):
         ("CLOTTING SCREEN", ["INR"],),
         ("C REACTIVE PROTEIN", ["C Reactive Protein"]),
         ("LIVER PROFILE", ["ALT", "AST", "Alkaline Phosphatase"]),
+        ("PROCALCITONIN", ["Procalcitonin"]),
     ),)
 
     NUM_RESULTS = 5
@@ -342,9 +343,27 @@ def get_obs_queryset(self, patient, lab_test_name, observation_name):
             observation_name=observation_name
         )
 
+    def get_PROCALCITONIN_Procalcitonin(self, observation):
+        return observation.observation_value.split('~')[0]
+
+    def get_observation_value(self, observation):
+        """
+        Return the observation value for this observation
+
+        Defaults to .value_numeric, but looks for a method
+        called get_TEST_NAME_OBSERVATION_NAME(observation)
+        and uses that if it exists.
+        """
+        method_name = 'get_{}_{}'.format(
+            observation.test.test_name, observation.observation_name
+        )
+        if hasattr(self, method_name):
+            return getattr(self, method_name)(observation)
+        return observation.value_numeric
+
     def serialize_observations(self, observations):
         latest_results = {
-            serialization.serialize_date(i.observation_datetime.date()): i.value_numeric
+            serialization.serialize_date(i.observation_datetime.date()): self.get_observation_value(i)
             for i in observations
         }
         return dict(

elcid/test/test_api.py

@@ -12,7 +12,8 @@
 
 from elcid import models as emodels
 from elcid.api import (
-    UpstreamBloodCultureApi, LabTestResultsView
+    UpstreamBloodCultureApi, LabTestResultsView,
+    InfectionServiceTestSummaryApi
 )
 
 
@@ -1106,6 +1107,8 @@ def test_results_date_crunching(self):
         result = self.client.get(self.url)
         self.assertEqual(result.data, expected)
 
+
+
     def test_ignores_strings(self):
         self.create_clotting_screen({
             datetime.datetime(2019, 6, 4, 12, 10): "Pending"
@@ -1133,3 +1136,38 @@ def test_handles_no_tests(self):
              'recent_dates': [None, None, None, None, None]
         }
         self.assertEqual(result.data, expected)
+
+    def test_get_procalcitonin(self):
+        api = InfectionServiceTestSummaryApi()
+
+        mock_observation = mock.MagicMock(name='Mock observation')
+        mock_observation.observation_value = "0.61~PCT 0.5-1.99       Suggestive of the presence of~bacterial infection. Please interpret within the~clinical picture. Consider repeat in 24-48 hours."
+
+        self.assertEqual(
+            "0.61",
+            api.get_PROCALCITONIN_Procalcitonin(mock_observation)
+        )
+
+    def test_get_observation_value_calls_getter(self):
+        api = InfectionServiceTestSummaryApi()
+
+        mock_observation = mock.MagicMock(name='Mock observation')
+        mock_observation.observation_name = 'Procalcitonin'
+        mock_observation.observation_value = 'ONE MILLION~TESTS'
+        mock_observation.test.test_name = 'PROCALCITONIN'
+
+        self.assertEqual(
+            "ONE MILLION",
+            api.get_observation_value(mock_observation)
+        )
+
+    def test_get_observation_value_default(self):
+        api = InfectionServiceTestSummaryApi()
+
+        mock_observation = mock.MagicMock(name='Mock observation')
+        mock_observation.value_numeric = 483
+
+        self.assertEqual(
+            483,
+            api.get_observation_value(mock_observation)
+        )