Added views for part and part category

- Worked out simple linking
- Category path displaying correctly
- Category page lists parts in category

InvenTree/part/models.py

@@ -9,10 +9,20 @@ class PartCategory(models.Model):
     
     def __str__(self):
         if self.parent:
-            return str(self.parent) + "/" + self.name
+            return "/".join([p.name for p in self.path]) + "/" + self.name
         else:
             return self.name
         
+    # Return the parent path of this category
+    @property
+    def path(self):
+        parent_path = []
+        
+        if self.parent:
+            parent_path = self.parent.path + [self.parent]
+        
+        return parent_path
+        
 class Part(models.Model):
     name = models.CharField(max_length=100)
     description = models.CharField(max_length=250, blank=True)
@@ -25,4 +35,7 @@ class Part(models.Model):
                 ipn = self.IPN,
                 name = self.name)
         else:
-            return self.name
+            return self.name
+        
+
+        

InvenTree/part/templates/part/category.html

@@ -0,0 +1,17 @@
+<h1>Category: {{ category.name }}</h1>
+
+<h2>Path: {{ category }}</h2>
+
+<br>
+Path<br>
+
+{# Construct the category path #}
+{% for path_item in category.path %}
+<a href="../{{path_item.pk}}">{{path_item.name}}</a>/
+{% endfor %}
+
+<br>Parts:<br>
+
+{% for part in category.part_set.all %}
+<a href="/part/{{part.pk}}">{{part.name}}</a><br>
+{% endfor %}

InvenTree/part/templates/part/detail.html

@@ -0,0 +1 @@
+{{part}}

InvenTree/part/urls.py

@@ -3,5 +3,10 @@ from django.conf.urls import url
 from . import views
 
 urlpatterns = [
+    # Display part detail
+    url(r'^(?P<part_id>[0-9]+)/$', views.partdetail, name='detail'),
+    
+    # Display a part category
+    url(r'^category/(?P<category_id>[0-9]+)/$', views.category, name='category'),
     url(r'^$', views.index, name='index')
 ]

InvenTree/part/views.py

@@ -1,5 +1,22 @@
-from django.shortcuts import render
+from django.shortcuts import render, get_object_or_404
 from django.http import HttpResponse
 
+from .models import PartCategory, Part
+
 def index(request):
     return HttpResponse("Hello world. This is the parts page")
+
+def partdetail(request, part_id):
+    
+    part = get_object_or_404(Part, pk=part_id)
+    
+    return render(request, 'part/detail.html',
+                  {'part': part})
+
+def category(request, category_id):
+    
+    # Find the category
+    cat = get_object_or_404(PartCategory, pk=category_id)
+    
+    return render(request, 'part/category.html',
+                  {'category': cat})