Added "new part" feature

- Create a new part
- Button provided on the "category" list page

InvenTree/part/templates/part/create.html

@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+
+{% load static %}
+
+{% block content %}
+
+{% include "part/cat_link.html" with category=category %}
+
+<div class='panel panel-primary'>
+    <div class='panel-heading'>Create a new part{% if category %} in category '{{ category.name }}'{% endif %}</div>
+    <div class='panel-body'>
+
+{% load crispy_forms_tags %}
+{% crispy form %}
+
+</div>
+
+{% endblock %}

InvenTree/part/templates/part/index.html

@@ -28,5 +28,8 @@ Parts:
 </ul>
 {% endif %}
 
+<a href="/part/create/{% if category %}?category={{ category.id }}{% endif %}">
+    <button class="btn btn-default">New Part</button>
+</a>
 {% endblock %}
 

InvenTree/part/urls.py

@@ -54,6 +54,9 @@ part_detail_urls = [
 
 # URL list for part web interface
 part_urls = [
+    # Create a new part
+    url(r'^create/?', views.PartCreate.as_view(), name='part-create'),
+
     # Individual
     url(r'^(?P<pk>\d+)/', include(part_detail_urls)),
 

InvenTree/part/views.py

@@ -34,6 +34,40 @@ class PartIndex(ListView):
         return context
 
 
+class PartCreate(CreateView):
+    """ Create a new part
+    - Optionally provide a category object as initial data
+    """
+    model = Part
+    form_class = EditPartForm
+    template_name = 'part/create.html'
+
+    def get_category_id(self):
+        return self.request.GET.get('category', None)
+
+    # If a category is provided in the URL, pass that to the page context
+    def get_context_data(self, **kwargs):
+        context = super(PartCreate, self).get_context_data(**kwargs)
+
+        # Add category information to the page
+        cat_id = self.get_category_id()
+
+        if cat_id:
+            context['category'] = get_object_or_404(PartCategory, pk=cat_id)
+
+        return context
+
+    # Pre-fill the category field if a valid category is provided
+    def get_initial(self):
+
+        initials = super(PartCreate, self).get_initial().copy()
+
+        if self.get_category_id():
+            initials['category'] = get_object_or_404(PartCategory, pk=self.get_category_id())
+
+        return initials
+
+
 class PartDetail(DetailView):
     context_object_name = 'part'
     queryset = Part.objects.all()