add ProductPrice

rattail/django/rattail/admin.py

@@ -72,4 +72,13 @@ admin.site.register(Category, ModelAdmin)
 admin.site.register(Brand, ModelAdmin)
 
 
-admin.site.register(Product, ModelAdmin)
+class ProductPriceInline(admin.TabularInline):
+    model = ProductPrice
+    verbose_name_plural = "Prices"
+    exclude = ('uuid',)
+    extra = 0
+
+class ProductAdmin(ModelAdmin):
+    inlines = [ProductPriceInline]
+
+admin.site.register(Product, ProductAdmin)

rattail/django/rattail/migrations/0001_initial.py

@@ -86,8 +86,26 @@ class Migration(SchemaMigration):
                 ))
         db.send_create_signal('rattail', ['Product'])
 
+        # Adding model 'ProductPrice'
+        db.create_table('rattail_product_prices', (
+                ('uuid', self.gf('rattail.django.rattail.models.core.UUIDField')(max_length=32, primary_key=True)),
+                ('product', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['rattail.Product'], db_column='product_uuid')),
+                ('type', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True)),
+                ('level', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True)),
+                ('starts', self.gf('django.db.models.fields.DateTimeField')(null=True, blank=True)),
+                ('ends', self.gf('django.db.models.fields.DateTimeField')(null=True, blank=True)),
+                ('price', self.gf('django.db.models.fields.DecimalField')(null=True, max_digits=8, decimal_places=3, blank=True)),
+                ('multiple', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True)),
+                ('pack_price', self.gf('django.db.models.fields.DecimalField')(null=True, max_digits=8, decimal_places=3, blank=True)),
+                ('pack_multiple', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True)),
+                ))
+        db.send_create_signal('rattail', ['ProductPrice'])
+
 
     def backwards(self, orm):
+        # Deleting model 'ProductPrice'
+        db.delete_table('rattail_product_prices')
+
         # Deleting model 'Product'
         db.delete_table('rattail_products')
 
@@ -176,6 +194,19 @@ class Migration(SchemaMigration):
             'upc': ('rattail.django.rattail.models.rattail.GPCField', [], {'db_index': 'True'}),
             'uuid': ('rattail.django.rattail.models.core.UUIDField', [], {'max_length': '32', 'primary_key': 'True'})
             },
+        'rattail.productprice': {
+            'Meta': {'object_name': 'ProductPrice', 'db_table': "'rattail_product_prices'"},
+            'ends': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'level': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'multiple': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'pack_multiple': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'pack_price': ('django.db.models.fields.DecimalField', [], {'null': 'True', 'max_digits': '8', 'decimal_places': '3', 'blank': 'True'}),
+            'price': ('django.db.models.fields.DecimalField', [], {'null': 'True', 'max_digits': '8', 'decimal_places': '3', 'blank': 'True'}),
+            'product': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['rattail.Product']", 'db_column': "'product_uuid'"}),
+            'starts': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'type': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'uuid': ('rattail.django.rattail.models.core.UUIDField', [], {'max_length': '32', 'primary_key': 'True'})
+            },
         }
 
     complete_apps = ['rattail']

rattail/django/rattail/models/rattail.py

@@ -30,15 +30,17 @@ from __future__ import absolute_import
 
 from django.db import models
 
+import rattail
 from rattail.gpc import GPC
 from rattail.django.rattail.models import Model, uuid_field
 from rattail.django.rattail.models.contact import (
     ContactInfoManager, PhoneNumber, EmailAddress)
+from rattail.django.util import enum_to_choices
 
 
 __all__ = ['Store', 'StorePhoneNumber', 'StoreEmailAddress',
-           'Department', 'Subdepartment', 'Category',
+           'Department', 'Subdepartment', 'Category', 'Brand',
-           'Brand', 'Product']
+           'Product', 'ProductPrice']
 
 
 class GPCField(models.BigIntegerField):
@@ -210,3 +212,32 @@ class Product(Model):
 
     def __unicode__(self):
         return unicode(self.description or '')
+
+
+class ProductPrice(Model):
+    """
+    Represents a price for a product.
+    """
+
+    class Meta(Model.Meta):
+        db_table = Model.prefix('product_prices')
+
+    PRICE_TYPE_CHOICES = enum_to_choices(rattail.PRICE_TYPE)
+
+    uuid = uuid_field()
+    product = models.ForeignKey(Product, db_column='product_uuid')
+    type = models.IntegerField(choices=PRICE_TYPE_CHOICES, blank=True, null=True)
+    level = models.IntegerField(blank=True, null=True)
+    starts = models.DateTimeField(blank=True, null=True)
+    ends = models.DateTimeField(blank=True, null=True)
+    price = models.DecimalField(max_digits=8, decimal_places=3, blank=True, null=True)
+    multiple = models.IntegerField(blank=True, null=True)
+    pack_price = models.DecimalField(max_digits=8, decimal_places=3, blank=True, null=True)
+    pack_multiple = models.IntegerField(blank=True, null=True)
+
+    def __repr__(self):
+        return "<ProductPrice: %s : %s>" % (self.product, self.price)
+
+    def __unicode__(self):
+        type = rattail.PRICE_TYPE.get(self.type, "?")
+        return u'$ %0.2f / %d (%s)' % (self.price, self.multiple or 1, type)

rattail/django/util.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# -*- coding: utf-8  -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2012 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU Affero General Public License as published by the Free
+#  Software Foundation, either version 3 of the License, or (at your option)
+#  any later version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Affero General Public License
+#  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+
+"""
+``rattail.django.util`` -- Utilities
+"""
+
+
+def enum_to_choices(enum):
+    """
+    Convert ``enum`` (which should be an enumeration as is normally used by
+    Rattail) into a "choices" tuple as is normally used by Django.
+    """
+
+    choices = []
+    for key, value in enum.iteritems():
+        choices.append((key, value))
+    return tuple(choices)