Update 'Build'

- Part model now has active_builds and inactive_builds properties
-

InvenTree/build/migrations/0006_auto_20180417_0933.py

@@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.12 on 2018-04-17 09:33
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0022_auto_20180417_0819'),
+        ('build', '0005_buildoutput_batch'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='buildoutput',
+            name='build',
+        ),
+        migrations.RemoveField(
+            model_name='buildoutput',
+            name='part',
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='batch',
+            field=models.CharField(blank=True, help_text='Batch code for this build output', max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='completion_date',
+            field=models.DateField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='creation_date',
+            field=models.DateField(auto_now=True),
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='notes',
+            field=models.CharField(blank=True, max_length=500),
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='part',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='builds', to='part.Part'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='quantity',
+            field=models.PositiveIntegerField(default=1, help_text='Number of parts to build', validators=[django.core.validators.MinValueValidator(1)]),
+        ),
+        migrations.AddField(
+            model_name='build',
+            name='title',
+            field=models.CharField(default='Build title', help_text='Brief description of the build', max_length=100),
+            preserve_default=False,
+        ),
+        migrations.DeleteModel(
+            name='BuildOutput',
+        ),
+    ]

InvenTree/build/migrations/0007_auto_20180417_1025.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.12 on 2018-04-17 10:25
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('build', '0006_auto_20180417_0933'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='build',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(40, 'Complete'), (10, 'Pending'), (20, 'Holding'), (30, 'Cancelled')], default=10, validators=[django.core.validators.MinValueValidator(0)]),
+        ),
+    ]