Added Project category

InvenTree/InvenTree/settings.py

@@ -39,6 +39,7 @@ INSTALLED_APPS = [
     'django.contrib.staticfiles',
     
     'part.apps.PartConfig',
+    'project.apps.ProjectConfig',
     'stock.apps.StockConfig',
     'supplier.apps.SupplierConfig',
     'track.apps.TrackConfig'

InvenTree/InvenTree/urls.py

@@ -24,5 +24,6 @@ urlpatterns = [
     url(r'^part/', include('part.urls')),
     url(r'^supplier/', include('supplier.urls')),
     url(r'^track/', include('track.urls')),
+    url(r'^project/', include('project.urls')),
     url(r'^admin/', admin.site.urls),
 ]

InvenTree/project/admin.py

@@ -0,0 +1,7 @@
+from django.contrib import admin
+
+from .models import ProjectCategory, Project, ProjectPart
+
+admin.site.register(ProjectCategory)
+admin.site.register(Project)
+admin.site.register(ProjectPart)

InvenTree/project/apps.py

@@ -0,0 +1,7 @@
+from __future__ import unicode_literals
+
+from django.apps import AppConfig
+
+
+class ProjectConfig(AppConfig):
+    name = 'project'

InvenTree/project/models.py

@@ -0,0 +1,54 @@
+from __future__ import unicode_literals
+
+from django.db import models
+
+from InvenTree.models import InvenTreeTree
+from part.models import Part
+
+class ProjectCategory(InvenTreeTree):
+    """ ProjectCategory provides hierarchical organization of Project objects.
+    Each ProjectCategory can contain zero-or-more child categories,
+    and in turn can have zero-or-one parent category.
+    """
+    
+    class Meta:
+        verbose_name = "Project Category"
+        verbose_name_plural = "Project Categories"
+
+class Project(models.Model):
+    """ A Project takes multiple Part objects.
+    A project can output zero-or-more Part objects
+    """
+    
+    name = models.CharField(max_length=100)
+    description = models.CharField(max_length=500, blank=True)
+    category = models.ForeignKey(ProjectCategory, on_delete=models.CASCADE)
+    
+    def __str__(self):
+        return self.name
+    
+
+class ProjectPart(models.Model):
+    """ A project part associates a single part with a project
+    The quantity of parts required for a single-run of that project is stored.
+    The overage is the number of extra parts that are generally used for a single run.
+    """    
+    
+    # Overage types
+    OVERAGE_PERCENT = 0
+    OVERAGE_ABSOLUTE = 1
+    
+    part = models.ForeignKey(Part, on_delete=models.CASCADE)
+    project = models.ForeignKey(Project, on_delete=models.CASCADE)
+    quantity = models.IntegerField()
+    overage = models.FloatField()
+    overage_type = models.IntegerField(
+        choices=[
+        (OVERAGE_PERCENT, "Percent"),
+        (OVERAGE_ABSOLUTE, "Absolute")
+        ])
+    
+    def __str__(self):
+        return "{quan} x {name}".format(
+            name = self.part.name,
+            quan = self.quantity)

InvenTree/project/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

InvenTree/project/urls.py

@@ -0,0 +1,7 @@
+from django.conf.urls import url
+
+from . import views
+
+urlpatterns = [
+    url(r'^$', views.index, name='index')
+]

InvenTree/project/views.py

@@ -0,0 +1,5 @@
+from django.shortcuts import render, get_object_or_404
+from django.http import HttpResponse
+
+def index(request):
+    return HttpResponse("This is the Projects page")

InvenTree/track/urls.py

@@ -0,0 +1,7 @@
+from django.conf.urls import url
+
+from . import views
+
+urlpatterns = [
+    url(r'^$', views.index, name='index')
+]