Added support for one time invoices.

setup.py

@@ -4,7 +4,7 @@
 
 setup(
     name='Sharpy',
-    version='0.6.7',
+    version='0.6.8',
     description='Python client for the Cheddar Getter API (http://cheddargetter.com).',
     author="Sean O'Connor",
     author_email="sean@saaspire.com",

sharpy/product.py

@@ -474,6 +474,43 @@ def charge(self, code, each_amount, quantity=1, description=None):
             data=data,
         )
         return self.load_data_from_xml(response.content)
+
+    def create_one_time_invoice(self, charges):
+        '''
+        Charges should be a list of charges to execute immediately.  Each
+        value in the charges diectionary should be a dictionary with the 
+        following keys:
+
+        code
+            Your code for this charge.  This code will be displayed in the 
+            user's invoice and is limited to 36 characters.
+        quantity
+            A positive integer quantity.  If not provided this value will 
+            default to 1.
+        each_amount
+            Positive or negative integer or decimal with two digit precision.
+            A positive number will create a charge (debit). A negative number
+            will create a credit.
+        description
+            An optional description for this charge which will be displayed on
+            the user's invoice.
+        '''
+        data = {}
+        for n, charge in enumerate(charges):
+            each_amount = Decimal(charge['each_amount'])
+            each_amount = each_amount.quantize(Decimal('.01'))
+            data['charges[%d][chargeCode]' % n ] = charge['code']
+            data['charges[%d][quantity]' % n] = charge.get('quantity', 1)
+            data['charges[%d][eachAmount]' % n] = each_amount
+            if 'description' in charge.keys():
+                data['charges[%d][description]' % n] = charge['description']
+
+        response = self.product.client.make_request(
+            path='invoices/new',
+            params={'code': self.code},
+            data=data,
+        )
+        return self.load_data_from_xml(response.content)
 
     def __repr__(self):
         return u'Customer: %s %s (%s)' % (

tests/product_tests.py

@@ -481,4 +481,83 @@ def test_add_charge_with_descriptions(self):
 
     @clear_users
     def test_add_credit(self):
-        self.assert_charged(code='TEST-CHARGE', each_amount=-1, quantity=1)
+        self.assert_charged(code='TEST-CHARGE', each_amount=-1, quantity=1)
+
+    def assertCharge(self, customer, code, each_amount, quantity, description='', invoice_type=None):
+        found_charge = None
+        for invoice in customer.subscription.invoices:
+            if invoice_type is None or invoice['type'] == invoice_type:
+                for charge in invoice['charges']:
+                    if charge['code'] == code:
+                        found_charge = charge
+
+        self.assertAlmostEqual(Decimal(each_amount), found_charge['each_amount'], places=2)
+        self.assertEqual(quantity, found_charge['quantity'])
+        self.assertEqual(description, found_charge['description'])
+
+
+    def assertOneTimeInvoice(self, charges):
+        customer = self.get_customer(**self.paid_defaults)
+        product = self.get_product()
+
+        customer.create_one_time_invoice(charges)
+
+        for charge in charges:
+            self.assertCharge(
+                customer,
+                code = charge['code'],
+                quantity = charge['quantity'],
+                each_amount = charge['each_amount'],
+                description = charge.get('description', ''),
+                invoice_type = 'one-time',
+            )
+
+        fetched_customer = product.get_customer(code=customer.code)
+        for charge in charges:
+            self.assertCharge(
+                fetched_customer,
+                code = charge['code'],
+                quantity = charge['quantity'],
+                each_amount = charge['each_amount'],
+                description = charge.get('description', ''),
+                invoice_type = 'one-time',
+            )
+
+    @clear_users
+    def test_add_simple_one_time_invoice(self):
+        charges = [{
+            'code': 'immediate-test',
+            'quantity': 1,
+            'each_amount': Decimal(5.23)
+        },]
+
+        self.assertOneTimeInvoice(charges)
+
+    @clear_users
+    def test_add_one_time_invoice_with_description(self):
+        charges = [{
+            'code': 'immediate-test',
+            'quantity': 1,
+            'each_amount': Decimal(5.23),
+            'description': 'This is a test charge'
+        },]
+
+        self.assertOneTimeInvoice(charges)
+
+
+    @clear_users
+    def test_add_one_time_invoice_with_multiple_charges(self):
+        charges = [{
+            'code': 'immediate-test',
+            'quantity': 1,
+            'each_amount': Decimal(5.23),
+            'description': 'This is a test charge'
+        },
+        {
+            'code': 'immediate-test-2',
+            'quantity': 3,
+            'each_amount': 15,
+            'description': 'This is another test charge'
+        },]
+
+        self.assertOneTimeInvoice(charges)