added shoppinglist items for one of things in the shopping list

inventory/admin.py

@@ -1,6 +1,7 @@
 from django.contrib import admin
 
 from .models import PantryItem, PantryItemLine, Unit, Category, Location
+from .models import ShoppingListItem
 
 
 class PantryItemInLine(admin.TabularInline):
@@ -13,6 +14,7 @@ class LocationInLine(admin.TabularInline):
     model = Location
     extra = 1
 
+
 def upper_case_name(obj):
     return obj.name.upper()
 upper_case_name.short_description = 'Name'
@@ -81,7 +83,18 @@ class PantryItemAdmin(admin.ModelAdmin):
         'info',
     )
 
+
+class ShoppingListItemAdmin(PantryItemAdmin):
+
+    inlines = []
+    fields = (
+        'name',
+        ('min_quantity', 'unit'),
+        'info',
+    )
+
 admin.site.register(PantryItem, PantryItemAdmin)
+admin.site.register(ShoppingListItem, ShoppingListItemAdmin)
 admin.site.register(PantryItemLine, PantryItemLineAdmin)
 admin.site.register(Unit, AutocompleteAdmin)
 admin.site.register(Category, AutocompleteAdmin)

inventory/migrations/0018_auto_20181009_1032.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.1.2 on 2018-10-09 10:32
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('inventory', '0017_auto_20181007_1108'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='pantryitem',
+            name='category',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='inventory.Category'),
+        ),
+    ]

inventory/models.py

@@ -1,4 +1,5 @@
 from django.db import models
+from django.urls import reverse
 
 
 class Category(models.Model):
@@ -49,8 +50,8 @@ class Location(models.Model):
 
 class PantryItem(models.Model):
     """A think you keep in your pantry """
-    category = models.ForeignKey(Category, on_delete=models.PROTECT)
-    min_quantity = models.IntegerField(default=1) #, decimal_places=3, max_digits=32)
+    category = models.ForeignKey(Category, on_delete=models.PROTECT, null=True, blank=True)
+    min_quantity = models.IntegerField(default=1)
     # some things don't have a fixed expiry date, like legumes or garlic, we can specify a default expiration for
     # this.
     # if expiry duration is set the expiration date for a pantryitemline will be set to now + duration on save

inventory/templates/inventory/shoppinglist.html

@@ -7,8 +7,10 @@
 <li>
    {{ pi|title }} (We have
    {{ pi.total_quantity }} {{pi.unit}} but we want at least
-   {{ pi.min_quantity }} {{pi.unit }} in {{ pi.location}})
+   {{ pi.min_quantity }} {{pi.unit }} in {{ pi.location}} ({{pi.info}}))
 </li>
 {% endfor %}
     </ul>
+
+    <a href="{% url 'admin:inventory_shoppinglistitem_add' %}">Add one off item to shoppinglist</a>
 {% endblock %}

requirements.txt

@@ -0,0 +1,3 @@
+#requirements.txt
+Django==2.1
+gunicorn