Add a Last Diaper Change card.

core/models.py

@@ -54,6 +54,16 @@ class DiaperChange(models.Model):
     def since(self, time=timezone.now()):
         return timesince.timesince(self.time, time)
 
+    def attributes(self):
+        attributes = []
+        if self.wet:
+            attributes.append(DiaperChange._meta.get_field('wet').name)
+        if self.solid:
+            attributes.append(DiaperChange._meta.get_field('solid').name)
+        if self.color:
+            attributes.append(self.color)
+        return attributes
+
 
 class Feeding(models.Model):
     child = models.ForeignKey('Child', related_name='feeding')

dashboard/templates/cards/diaperchange.html

@@ -0,0 +1,13 @@
+<div class="card border-danger mb-3">
+    <div class="card-header text-white bg-danger h4">
+        <i class="fa fa-trash pull-left" aria-hidden="true"></i>
+        {% block header %}{% endblock %}
+    </div>
+    <div class="card-body text-danger">
+        <h4 class="card-title">{% block title %}{% endblock %}</h4>
+        <div class="card-text">{% block content %}{% endblock %}</div>
+    </div>
+    <div class="card-footer text-muted">
+        {% block footer %}{% endblock %}
+    </div>
+</div>

dashboard/templates/cards/diaperchange_last.html

@@ -0,0 +1,15 @@
+{% extends 'cards/diaperchange.html' %}
+
+{% block header %}Last Diaper Change{% endblock %}
+
+{% block title %}
+    <strong>{{ change.time|timesince }}</strong> ago
+{% endblock %}
+
+{% block content %}
+    <div class="text-muted">
+        {{ change.attributes|join:', ' }}
+    </div>
+{% endblock %}
+
+{% block footer %}{{ change.time }}{% endblock %}

dashboard/templates/dashboard/child.html

@@ -11,7 +11,7 @@
                 {% card_feeding_last object %}
             </div>
             <div class="col-sm-12 col-md-4">
-                last feeding
+                {% card_diaperchange_last object %}
             </div>
             <div class="col-sm-12 col-md-4">
                 change statistics

dashboard/templatetags/dashboard.py

@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 
 from django import template
 
-from core.models import Feeding
+from core.models import DiaperChange, Feeding
 
 
 register = template.Library()
@@ -14,3 +14,10 @@ def card_feeding_last(child):
     feeding_instance = Feeding.objects.filter(
         child=child).order_by('-end').first()
     return {'feeding': feeding_instance}
+
+
+@register.inclusion_tag('cards/diaperchange_last.html')
+def card_diaperchange_last(child):
+    feeding_instance = DiaperChange.objects.filter(
+        child=child).order_by('-time').first()
+    return {'change': feeding_instance}