Add view for BomItem model

- Create BOM item (auto-add to a parent part)
- Edit / delete
- View details

InvenTree/part/forms.py

@@ -2,7 +2,7 @@ from django import forms
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import Submit
 
-from .models import Part, PartCategory
+from .models import Part, PartCategory, BomItem
 
 
 class EditPartForm(forms.ModelForm):
@@ -50,4 +50,26 @@ class EditCategoryForm(forms.ModelForm):
             'parent',
             'name',
             'description'
+        ]
+
+
+class EditBomItemForm(forms.ModelForm):
+
+    def __init__(self, *args, **kwargs):
+        super(EditBomItemForm, self).__init__(*args, **kwargs)
+        self.helper = FormHelper()
+
+        self.helper.form_id = 'id-edit-part-form'
+        #self.helper.form_class = 'blueForms'
+        self.helper.form_method = 'post'
+        #self.helper.form_action = 'submit'
+
+        self.helper.add_input(Submit('submit', 'Submit'))
+
+    class Meta:
+        model = BomItem
+        fields = [
+            'part',
+            'sub_part',
+            'quantity'
         ]

InvenTree/part/models.py

@@ -201,6 +201,9 @@ class BomItem(models.Model):
     which parts are required (and in what quatity) to make it
     """
 
+    def get_absolute_url(self):
+        return '/part/bom/{id}/'.format(id=self.id)
+
     # A link to the parent part
     # Each part will get a reverse lookup field 'bom_items'
     part = models.ForeignKey(Part, on_delete=models.CASCADE, related_name='bom_items')

InvenTree/part/templates/part/bom-create.html

@@ -0,0 +1,5 @@
+{% extends 'create_edit_obj.html' %}
+
+{% block obj_title %}
+Create a new BOM item
+{% endblock %}

InvenTree/part/templates/part/bom-delete.html

@@ -0,0 +1,15 @@
+{% extends "delete_obj.html" %}
+
+{% block del_title %}
+    Are you sure you want to delete this BOM item?
+{% endblock %}
+
+{% block del_body %}
+    Deleting this entry will remove the BOM row from the following part:
+
+    <ul class='list-group'>
+        <li class='list-group-item'>
+            <b>{{ item.part.name }}</b> - <i>{{ item.part.description }}</i>
+        </li>
+    </ul>
+{% endblock %}

InvenTree/part/templates/part/bom-detail.html

@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+
+{% block content %}
+
+<h3>BOM Item</h3>
+<table class="table table-striped">
+    <tr><td>Parent</td><td><a href="{% url 'part-detail' item.part.id %}">{{ item.part.name }}</a></td></tr>
+    <tr><td>Child</td><td><a href="{% url 'part-detail' item.sub_part.id %}">{{ item.sub_part.name }}</a></td></tr>
+    <tr><td>Quantity</td><td>{{ item.quantity }}</td></tr>
+</table>
+
+<div class='container-fluid'>
+    <a href="{% url 'bom-item-edit' item.id %}"><button class="btn btn-info">Edit BOM item</button></a>
+
+    <a href="{% url 'bom-item-delete' item.id %}"><button class="btn btn-danger">Delete BOM item</button></a>
+</div>
+
+{% endblock %}

InvenTree/part/templates/part/bom-edit.html

@@ -0,0 +1,5 @@
+{% extends 'create_edit_obj.html' %}
+
+{% block obj_title %}
+Edit details for BOM item
+{% endblock %}

InvenTree/part/templates/part/bom.html

@@ -21,4 +21,10 @@
 {% endfor %}
 </table>
 
+<div class='container-fluid'>
+<a href="{% url 'bom-item-create' %}?parent={{ part.id }}">
+    <button class='btn btn-success'>Add BOM Item</button>
+</a>
+</div>
+
 {% endblock %}

InvenTree/part/templates/part/used_in.html

@@ -13,7 +13,7 @@ This part is used to make the following parts:
 </tr>
 {% for item in part.used_in.all %}
 <tr>
-    <td><a href="{% url 'part-detail' item.part.id %}">{{ item.part.name }}</a></td>
+    <td><a href="{% url 'part-bom' item.part.id %}">{{ item.part.name }}</a></td>
     <td>{{ item.part.description }}</td>
 </tr>
 {% endfor %}

InvenTree/part/urls.py

@@ -57,6 +57,13 @@ part_category_urls = [
     url('^.*$', views.CategoryDetail.as_view(), name='category-detail'),
 ]
 
+part_bom_urls = [
+    url(r'^edit/?', views.BomItemEdit.as_view(), name='bom-item-edit'),
+    url('^delete/?', views.BomItemDelete.as_view(), name='bom-item-delete'),
+
+    url(r'^.*$', views.BomItemDetail.as_view(), name='bom-item-detail'),
+]
+
 # URL list for part web interface
 part_urls = [
 
@@ -66,12 +73,17 @@ part_urls = [
     # Create a new part
     url(r'^new/?', views.PartCreate.as_view(), name='part-create'),
 
-    # Individual
+    # Create a new BOM item
+    url(r'^bom/new/?', views.BomItemCreate.as_view(), name='bom-item-create'),
+
+    # Individual part
     url(r'^(?P<pk>\d+)/', include(part_detail_urls)),
 
     # Part category
     url(r'^category/(?P<pk>\d+)/', include(part_category_urls)),
 
+    url(r'^bom/(?P<pk>\d+)/', include(part_bom_urls)),
+
     # Top level part list (display top level parts and categories)
     url('', views.PartIndex.as_view(), name='part-index'),
 

InvenTree/part/views.py

@@ -1,5 +1,6 @@
 from InvenTree.models import FilterChildren
-from .models import PartCategory, Part
+
+from .models import PartCategory, Part, BomItem
 
 from django.shortcuts import get_object_or_404, render
 from django.http import HttpResponseRedirect
@@ -8,7 +9,7 @@ from django.urls import reverse
 from django.views.generic import DetailView, ListView
 from django.views.generic.edit import UpdateView, DeleteView, CreateView
 
-from .forms import EditPartForm, EditCategoryForm
+from .forms import EditPartForm, EditCategoryForm, EditBomItemForm
 
 class PartIndex(ListView):
     model = Part
@@ -146,3 +147,47 @@ class CategoryCreate(CreateView):
             initials['parent'] = get_object_or_404(PartCategory, pk=parent_id)
 
         return initials
+
+
+class BomItemDetail(DetailView):
+    context_object_name ='item'
+    queryset = BomItem.objects.all()
+    template_name = 'part/bom-detail.html'
+
+
+class BomItemCreate(CreateView):
+    model = BomItem
+    form_class = EditBomItemForm
+    template_name = 'part/bom-create.html'
+
+    def get_initial(self):
+        # Look for initial values
+        initials = super(BomItemCreate, self).get_initial().copy()
+
+        # Parent part for this item?
+        parent_id = self.request.GET.get('parent', None)
+
+        if parent_id:
+            initials['part'] = get_object_or_404(Part, pk=parent_id)
+
+        return initials
+
+
+class BomItemEdit(UpdateView):
+    model = BomItem
+    form_class = EditBomItemForm
+    template_name = 'part/bom-edit.html'
+
+
+class BomItemDelete(DeleteView):
+    model = BomItem
+    template_name = 'part/bom-delete.html'
+    context_object_name = 'item'
+
+    success_url = '/part'
+
+    def post(self, request, *args, **kwargs):
+        if 'confirm' in request.POST:
+            return super(BomItemDelete, self).post(request, *args, **kwargs)
+        else:
+            return HttpResponseRedirect(self.get_object().get_absolute_url())