Merge pull request #133 from SchrodingersGat/part-files

Part files

InvenTree/part/admin.py

@@ -2,6 +2,7 @@ from django.contrib import admin
 from import_export.admin import ImportExportModelAdmin
 
 from .models import PartCategory, Part
+from .models import PartAttachment
 from .models import SupplierPart
 from .models import BomItem
 
@@ -16,6 +17,11 @@ class PartCategoryAdmin(admin.ModelAdmin):
     list_display = ('name', 'pathstring', 'description')
 
 
+class PartAttachmentAdmin(admin.ModelAdmin):
+
+    list_display = ('part', 'attachment')
+
+
 class BomItemAdmin(ImportExportModelAdmin):
     list_display = ('part', 'sub_part', 'quantity')
 
@@ -35,5 +41,6 @@ class ParameterAdmin(admin.ModelAdmin):
 
 admin.site.register(Part, PartAdmin)
 admin.site.register(PartCategory, PartCategoryAdmin)
+admin.site.register(PartAttachment, PartAttachmentAdmin)
 admin.site.register(BomItem, BomItemAdmin)
 admin.site.register(SupplierPart, SupplierPartAdmin)

InvenTree/part/models.py

@@ -310,15 +310,8 @@ class Part(models.Model):
 
 
 def attach_file(instance, filename):
-
-    base = 'part_files'
-
-    # TODO - For a new PartAttachment object, PK is NULL!!
-
-    # Prefix the attachment ID to the filename
-    fn = "{id}_{fn}".format(id=instance.pk, fn=filename)
-
-    return os.path.join(base, fn)
+    # Construct a path to store a file attachment
+    return os.path.join('part_files', str(instance.part.id), filename)
 
 
 class PartAttachment(models.Model):
@@ -331,6 +324,10 @@ class PartAttachment(models.Model):
 
     attachment = models.FileField(upload_to=attach_file, null=True, blank=True)
 
+    @property
+    def basename(self):
+        return os.path.basename(self.attachment.name)
+
 
 class BomItem(models.Model):
     """ A BomItem links a part to its component items.

InvenTree/part/templates/part/part_base.html

@@ -62,6 +62,13 @@
         </tr>
         {% endif %}
     </table>
+
+    <h4>Attachments</h4>
+    <ul>
+    {% for attachment in part.attachments.all %}
+    <li><a href="/media/{{ attachment.attachment }}">{{ attachment.basename }}</a></li>
+    {% endfor %}
+    </ul>
 </div>
 </div>