Move django-based uncloud to top-level

archive/uncloud_django_based/meow-payv1/helper.py

@@ -0,0 +1,87 @@
+import logging
+
+import parsedatetime
+
+from datetime import datetime
+from stripe_utils import StripeUtils
+
+
+def get_plan_id_from_product(product):
+    plan_id = 'ucloud-v1-'
+    plan_id += product['name'].strip().replace(' ', '-')
+    return plan_id
+
+
+def get_pricing(price_in_chf_cents, product_type, recurring_period):
+    if product_type == 'recurring':
+        return 'CHF {}/{}'.format(price_in_chf_cents/100, recurring_period)
+    elif product_type == 'one-time':
+        return 'CHF {} (One time charge)'.format(price_in_chf_cents/100)
+
+
+def get_user_friendly_product(product_dict):
+    uf_product = {
+        'name': product_dict['name'],
+        'description': product_dict['description'],
+        'product_id': product_dict['usable-id'],
+        'pricing': get_pricing(
+            product_dict['price'], product_dict['type'], product_dict['recurring_period']
+        )
+    }
+    if product_dict['type'] == 'recurring':
+        uf_product['minimum_subscription_period'] = product_dict['minimum_subscription_period']
+    return uf_product
+
+
+def get_token(card_number, cvc, exp_month, exp_year):
+    stripe_utils = StripeUtils()
+    token_response = stripe_utils.get_token_from_card(
+        card_number, cvc, exp_month, exp_year
+    )
+    if token_response['response_object']:
+        return token_response['response_object'].id
+    else:
+        return None
+
+
+def resolve_product(usable_id, etcd_client):
+    products = etcd_client.get_prefix('/v1/products/', value_in_json=True)
+    for p in products:
+        if p.value['usable-id'] == usable_id:
+            return p.value
+    return None
+
+
+def calculate_charges(specification, data):
+    logging.debug('Calculating charges for specs:{} and data:{}'.format(specification, data))
+    one_time_charge = 0
+    recurring_charge = 0
+    for feature_name, feature_detail in specification['features'].items():
+        if feature_detail['constant']:
+            data[feature_name] = 1
+
+        if feature_detail['unit']['type'] != 'str':
+            one_time_charge += feature_detail['one_time_fee']
+            recurring_charge += (
+                    feature_detail['price_per_unit_per_period'] * data[feature_name] /
+                    feature_detail['unit']['value']
+            )
+    return one_time_charge, recurring_charge
+
+
+def is_order_valid(order_timestamp, renewal_period):
+    """
+    Sample Code Usage
+
+    >> current_datetime, status = cal.parse('Now')
+    >> current_datetime = datetime(*current_datetime[:6])
+
+    >> print('Is order valid: ', is_order_valid(current_datetime, '1 month'))
+    >> True
+    """
+    cal = parsedatetime.Calendar()
+
+    renewal_datetime, status = cal.parse(renewal_period)
+    renewal_datetime = datetime(*renewal_datetime[:6])
+
+    return order_timestamp <= renewal_datetime