ducky/subscriptions

Paddy 2015-06-22 Child:b063bc0a6e84

4:36e90e828dd0 Go to Latest

ducky/subscriptions/api/context_helpers.go

Add an API and subscriptionsd . Create a barebones implementation of the API, including only methods to create a Subscription and retrieve the Subscription associated with a user. Also create a subscriptiond service that will bootstrap the service and stores, and get everything stood up.

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1 package api
2
3 import (
4 "errors"
5
6 "code.secondbit.org/ducky/subscriptions.hg"
7
8 "golang.org/x/net/context"
9 )
10
11 const (
12 subscriptionStoreKey = "SubscriptionStore"
13 stripeKey = "Stripe"
14 )
15
16 var (
17 ErrSubscriptionStoreNotSet = errors.New("SubscriptionStore not set")
18 ErrStripeClientNotSet = errors.New("Stripe not set")
19 )
20
21 func getSubscriptionStore(c context.Context) (subscriptions.SubscriptionStore, error) {
22 store := c.Value(subscriptionStoreKey)
23 if store == nil {
24 return nil, ErrSubscriptionStoreNotSet
25 }
26 if s, ok := store.(subscriptions.SubscriptionStore); ok {
27 return s, nil
28 }
29 return nil, ErrSubscriptionStoreNotSet
30 }
31
32 func WithSubscriptionStore(store subscriptions.SubscriptionStore, c context.Context) context.Context {
33 return context.WithValue(c, subscriptionStoreKey, store)
34 }
35
36 func getStripeClient(c context.Context) (subscriptions.Stripe, error) {
37 stripe := c.Value(stripeKey)
38 if stripe == nil {
39 return subscriptions.Stripe{}, ErrStripeClientNotSet
40 }
41 if s, ok := stripe.(subscriptions.Stripe); ok {
42 return s, nil
43 }
44 return subscriptions.Stripe{}, ErrStripeClientNotSet
45 }
46
47 func WithStripeClient(stripe subscriptions.Stripe, c context.Context) context.Context {
48 return context.WithValue(c, stripeKey, stripe)
49 }