Update a text measurement type

datastore/text_measurement_types.go

@@ -46,3 +46,26 @@ func (s *textMeasurementTypesStore) List(opt *models.TextMeasurementTypeListOpti
 	}
 	return text_measurement_types, nil
 }
+
+func (s *textMeasurementTypesStore) Update(id int64, text_measurement_type *models.TextMeasurementType) (bool, error) {
+	_, err := s.Get(id)
+	if err != nil {
+		return false, err
+	}
+
+	if id != text_measurement_type.Id {
+		return false, models.ErrObservationNotFound
+	}
+
+	text_measurement_type.UpdatedAt = time.Now()
+	changed, err := s.dbh.Update(text_measurement_type)
+	if err != nil {
+		return false, err
+	}
+
+	if changed == 0 {
+		return false, ErrNoRowsUpdated
+	}
+
+	return true, nil
+}

datastore/text_measurement_types_test.go

@@ -85,3 +85,23 @@ func TestTextMeasurementTypesStore_List_db(t *testing.T) {
 		t.Errorf("got text_measurement_types %+v, want %+v", text_measurement_types, want)
 	}
 }
+
+func TestTextMeasurementTypesStore_Update_db(t *testing.T) {
+	tx, _ := DB.Begin()
+	defer tx.Rollback()
+
+	text_measurement_type := insertTextMeasurementType(t, tx)
+
+	d := NewDatastore(tx)
+
+	// Tweak it
+	text_measurement_type.TextMeasurementName = "Updated Text Measurement Type"
+	updated, err := d.TextMeasurementTypes.Update(text_measurement_type.Id, text_measurement_type)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if !updated {
+		t.Error("!updated")
+	}
+}