Merge pull request #55 from jemerick-stripe/master

Add Create Setup Intent Endpoint

Author: yuki-stripe

Gemfile

@@ -6,4 +6,4 @@ gem 'dotenv', '2.7.2'
 gem 'encrypted_cookie', '0.0.5'
 gem 'json', '2.2.0'
 gem 'sinatra', '2.0.5'
-gem 'stripe', '4.12.0'
+gem 'stripe', '4.21.0'

Gemfile.lock

@@ -8,9 +8,9 @@ GEM
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     json (2.2.0)
-    multipart-post (2.0.0)
+    multipart-post (2.1.1)
     mustermann (1.0.3)
-    net-http-persistent (3.0.0)
+    net-http-persistent (3.0.1)
       connection_pool (~> 2.2)
     rack (2.0.7)
     rack-protection (2.0.5)
@@ -20,7 +20,7 @@ GEM
       rack (~> 2.0)
       rack-protection (= 2.0.5)
       tilt (~> 2.0)
-    stripe (4.12.0)
+    stripe (4.21.0)
       faraday (~> 0.13)
       net-http-persistent (~> 3.0)
     tilt (2.0.9)
@@ -33,7 +33,7 @@ DEPENDENCIES
   encrypted_cookie (= 0.0.5)
   json (= 2.2.0)
   sinatra (= 2.0.5)
-  stripe (= 4.12.0)
+  stripe (= 4.21.0)
 
 RUBY VERSION
    ruby 2.5.3p105

web.rb

@@ -120,6 +120,29 @@ def authenticate!
   @customer
 end
 
+# This endpoint is used by the mobile example apps to create a SetupIntent.
+# https://stripe.com/docs/api/setup_intents/create
+# Just like the `/capture_payment` endpoint, a real implementation would include controls
+# to prevent misuse
+post '/create_setup_intent' do
+  begin
+    setup_intent = Stripe::SetupIntent.create({
+      payment_method_types: ['card'],
+    })
+  rescue Stripe::StripeError => e
+    status 402
+    return log_info("Error creating SetupIntent: #{e.message}")
+  end
+
+  log_info("SetupIntent successfully created: #{setup_intent.id}")
+  status 200
+  return {
+    :intent => setup_intent.id,
+    :secret => setup_intent.client_secret,
+    :status => setup_intent.status
+  }.to_json
+end
+
 # This endpoint is used by the mobile example apps to create a PaymentIntent.
 # https://stripe.com/docs/api/payment_intents/create
 # Just like the `/capture_payment` endpoint, a real implementation would include controls