Begin to add views for part models

- List BOM items
- Show category listing as linked items
- Fix some pathing issues with InvenTreeTree class

InvenTree/part/admin.py

@@ -4,12 +4,12 @@ from .models import PartCategory, Part
 
 class PartAdmin(admin.ModelAdmin):
 
-    list_display = ('name', 'IPN', 'stock', 'category')
+    list_display = ('name', 'IPN', 'description', 'stock', 'category')
 
 
 class PartCategoryAdmin(admin.ModelAdmin):
 
-    list_display = ('name', 'path', 'description')
+    list_display = ('name', 'pathstring', 'description')
 
 """
 class ParameterTemplateAdmin(admin.ModelAdmin):

InvenTree/part/models.py

@@ -36,7 +36,7 @@ class Part(models.Model):
     IPN = models.CharField(max_length=100, blank=True)
 
     # Part category - all parts must be assigned to a category
-    category = models.ForeignKey(PartCategory, on_delete=models.CASCADE)
+    category = models.ForeignKey(PartCategory, on_delete=models.CASCADE, related_name='parts')
 
     # Minimum "allowed" stock level
     minimum_stock = models.PositiveIntegerField(default=0, validators=[MinValueValidator(0)])
@@ -75,11 +75,21 @@ class Part(models.Model):
         result = stocks.aggregate(total=Sum('quantity'))
         return result['total']
 
+    @property
+    def bomItemCount(self):
+        return self.bom_items.all().count()
+
+
+    @property
+    def usedInCount(self):
+        return self.used_in.all().count()
+
+    """
     @property
     def projects(self):
-        """ Return a list of unique projects that this part is associated with.
+        " Return a list of unique projects that this part is associated with.
         A part may be used in zero or more projects.
-        """
+        "
 
         project_ids = set()
         project_parts = self.projectpart_set.all()
@@ -92,6 +102,6 @@ class Part(models.Model):
                 projects.append(pp.project)
 
         return projects
-
+    """
 
 

InvenTree/part/serializers.py

@@ -17,7 +17,8 @@ class PartParameterSerializer(serializers.HyperlinkedModelSerializer):
                   'units')
 """
 
-class PartSerializer(serializers.HyperlinkedModelSerializer):
+#class PartSerializer(serializers.HyperlinkedModelSerializer):
+class PartSerializer(serializers.ModelSerializer):
     """ Serializer for complete detail information of a part.
     Used when displaying all details of a single component.
     """
@@ -31,7 +32,8 @@ class PartSerializer(serializers.HyperlinkedModelSerializer):
                   'category',
                   'stock',
                   'units',
-                  'trackable')
+                  'trackable',
+                  )
 
 
 class PartCategorySerializer(serializers.HyperlinkedModelSerializer):
@@ -42,7 +44,7 @@ class PartCategorySerializer(serializers.HyperlinkedModelSerializer):
                   'name',
                   'description',
                   'parent',
-                  'path')
+                  'pathstring')
 
 """
 class PartTemplateSerializer(serializers.HyperlinkedModelSerializer):

InvenTree/part/templates/cat_link.html

@@ -0,0 +1,7 @@
+<div id="category-path" background="#99F">
+<a href="/part/list/">All</a> >
+{% for path_item in category.parentpath %}
+<a href="/part/list/?category={{ path_item.id }}">{{ path_item.name }}</a> >
+{% endfor %}
+<a href="/part/list/?category={{ category.id }}">{{ category.name }}</a>
+</div>

InvenTree/part/templates/detail.html

@@ -0,0 +1,30 @@
+<h1>Part details for {{ part.name }}</h1>
+
+{% include "cat_link.html" with category=part.category %}
+
+<br>
+Part name: {{ part.name }}
+<br>
+Description: {{ part.description }}
+<br>
+IPN: {% if part.IPN %}{{ part.IPN }}{% else %}N/A{% endif %}
+<br>
+Stock: {{ part.stock }}
+
+<br><br>
+BOM items: {{ part.bomItemCount }}<br>
+Used in {{ part.usedInCount }} other parts.<br>
+
+<h2>BOM</h2>
+<ul>
+{% for bom in part.bom_items.all %}
+<li><a href="{% url 'detail' bom.sub_part.id %}">{{ bom.sub_part.name }}</a> ({{ bom.quantity }})</li>
+{% endfor %}
+</ul>
+
+<h2>Used to make</h2>
+<ul>
+{% for p in part.used_in.all %}
+<li><a href="{% url 'detail' p.part.id %}">{{ p.part.name }}</a></li>
+{% endfor %}
+</ul>

InvenTree/part/templates/index.html

@@ -0,0 +1,27 @@
+<h1>Parts page!</h1>
+
+{% if category %}
+{% include "cat_link.html" with category=category %}
+<h3>Child categories</h3>
+<ul>
+{% for child in category.children.all %}
+<li><a href="/part/list?category={{ child.id }}">{{ child.name }}</a></li>
+{% endfor %}
+</ul>
+{% else %}
+No category!
+{% endif %}
+
+<b>Here is a list of all the parts:</b>
+
+
+
+<table>
+{% for part in parts %}
+<tr>
+    <td><a href="{% url 'detail' part.id %}">{{ part.name }}</a></td>
+    <td>{{ part.description }}</td>
+</tr>
+{% endfor %}
+</table>
+

InvenTree/part/urls.py

@@ -1,8 +1,12 @@
 from django.conf.urls import url
+from django.views.generic.base import RedirectView
 
 from . import views
 
-part_cat_urls = [
+app_nam='part'
+
+# URL list for part category API
+part_cat_api_urls = [
 
     # Part category detail
     url(r'^(?P<pk>[0-9]+)/?$', views.PartCategoryDetail.as_view(), name='partcategory-detail'),
@@ -12,7 +16,9 @@ part_cat_urls = [
     url(r'^$', views.PartCategoryList.as_view())
 ]
 
-part_urls = [
+
+# URL list for part API
+part_api_urls = [
 
     # Individual part
     url(r'^(?P<pk>[0-9]+)/?$', views.PartDetail.as_view(), name='part-detail'),
@@ -22,6 +28,17 @@ part_urls = [
     url(r'^$', views.PartList.as_view()),
 ]
 
+# URL list for part web interface
+part_urls = [
+    # Individual
+    url(r'^(?P<pk>\d+)/$', views.detail, name='detail'),
+    # ex: /part/
+    url('list', views.index, name='index'),
+    # ex: /part/5/
+
+     url(r'^.*$', RedirectView.as_view(url='list', permanent=False), name='index'),
+]
+
 """
 part_param_urls = [
     # Detail of a single part parameter

InvenTree/part/views.py

@@ -1,15 +1,72 @@
 from django_filters.rest_framework import FilterSet, DjangoFilterBackend
 
+# Template stuff (WIP)
+from django.http import HttpResponse
+from django.template import loader
+
 from rest_framework import generics, permissions
 
 from InvenTree.models import FilterChildren
 from .models import PartCategory, Part
 
+from django.shortcuts import get_object_or_404, render
+from django.http import HttpResponseRedirect
+from django.urls import reverse
+from django.views import generic
+
 from .serializers import PartSerializer
 from .serializers import PartCategorySerializer
 #from .serializers import PartParameterSerializer
 #from .serializers import PartTemplateSerializer
 
+"""
+class IndexView(generic.ListView):
+    template_name = 'index.html'
+    context_object_name = 'parts'
+
+    def get_queryset(self):
+        "Return the last five published questions."
+        return Part.objects.all()
+
+"""
+
+def index(request):
+    template = loader.get_template('index.html')
+
+    parts = Part.objects.all()
+
+    cat = None
+
+    if 'category' in request.GET:
+        cat_id = request.GET['category']
+
+        cat = get_object_or_404(PartCategory, pk=cat_id)
+        #cat = PartCategory.objects.get(pk=cat_id)
+        parts = parts.filter(category = cat_id)
+
+    context = {
+        'parts' : parts.order_by('category__name'),
+    }
+
+    if cat:
+        context['category'] = cat
+
+    return HttpResponse(template.render(context, request))
+
+
+def detail(request, pk):
+    #template = loader.get_template('detail.html')
+
+    part = get_object_or_404(Part, pk=pk)
+
+    return render(request, 'detail.html', {'part' : part})
+
+    #return HttpResponse("You're looking at part %s." % pk)
+
+#def results(request, question_id):
+#    response = "You're looking at the results of question %s."
+#    return HttpResponse(response % question_id)
+
 
 class PartDetail(generics.RetrieveUpdateDestroyAPIView):
     """