Height form

Author: jamiefalcus

.vscode/settings.json

@@ -3,5 +3,12 @@
     "MD013": false,
     "MD024": { "siblings_only": true },
     "MD033": false
-  }
+  },
+  "cSpell.words": [
+    "dateutil",
+    "nhsuk",
+    "relativedelta",
+    "responseset",
+    "unsubmitted"
+  ]
 }

lung_cancer_screening/core/form_fields.py

@@ -206,6 +206,33 @@ def widget_attrs(self, widget):
         attrs.pop("step", None)
 
         return attrs
+    
+class DecimalField(forms.DecimalField):
+    def __init__(
+        self,
+        *args,
+        hint=None,
+        label_classes=None,
+        classes=None,
+        **kwargs,
+    ):
+        kwargs["template_name"] = "forms/input.jinja"
+
+        self.hint = hint
+        self.classes = classes
+        self.label_classes = label_classes
+
+        super().__init__(*args, **kwargs)
+
+    def widget_attrs(self, widget):
+        attrs = super().widget_attrs(widget)
+
+        # Don't use min/max/step attributes.
+        attrs.pop("min", None)
+        attrs.pop("max", None)
+        attrs.pop("step", None)
+
+        return attrs
 
 
 class BoundChoiceField(forms.BoundField):

lung_cancer_screening/questions/forms/height_form.py

@@ -0,0 +1,27 @@
+import decimal
+from django import forms
+
+from lung_cancer_screening.core.form_fields import DecimalField
+from ..models.response_set import ResponseSet
+
+class HeightForm(forms.ModelForm):
+
+    def __init__(self, *args, **kwargs):
+        self.participant = kwargs.pop('participant')
+        super().__init__(*args, **kwargs)
+        self.instance.participant = self.participant
+
+        self.fields["height_in_cm"] = DecimalField(
+             label="Centimetres",
+             classes="nhsuk-input--width-4",
+        )
+
+
+
+    def clean_height_in_cm(self):
+      data = self.cleaned_data['height_in_cm']
+      return data*10
+
+    class Meta:
+        model = ResponseSet
+        fields = ['height']

lung_cancer_screening/questions/jinja2/height.jinja

@@ -28,16 +28,7 @@
             "classes": "nhsuk-label--m"
           }
         }) %}
-          {{
-            input({
-              "id": "height",
-              "name": "height",
-              "label": {
-                "text": "Centimetres",
-              },
-              "classes": "nhsuk-input--width-4"
-            }) 
-          }}
+         {{ form }}
         {% endcall %}
 
         {{ button({

lung_cancer_screening/questions/models/response_set.py

@@ -52,3 +52,13 @@ def clean(self):
             raise ValidationError(
                 "Responses have already been submitted for this participant"
             )
+        
+    @property
+    def height(self):
+        return self.height
+
+    @height.setter
+    def _height(self, value):
+        if value > 0 :
+            print("The date chosen was in the future.")
+        self._height = value

lung_cancer_screening/questions/tests/unit/forms/test_height_form.py

@@ -0,0 +1,30 @@
+from django.test import TestCase
+
+from ....models.participant import Participant
+from ....forms.height_form import HeightForm
+
+class TestHeightForm(TestCase):
+    def setUp(self):
+        self.participant = Participant.objects.create(unique_id="1234567890")
+
+    def test_cm_to_mm(self):
+        height = "170.4"
+        form = HeightForm(
+            participant=self.participant,
+            data={
+                "height_in_cm": height
+            }
+        )
+        
+        self.assertTrue(form.is_valid())
+        
+        self.assertEqual(form.cleaned_data["height_in_cm"], 1704)
+
+    def test_is_invalid(self):
+        form = HeightForm(
+            participant=self.participant,
+            data={
+                "height_in_cm": "invalid"
+            }
+        )
+        self.assertFalse(form.is_valid())