fix cash coupon creation on stripe + store amount in centimes

app/controllers/api/coupons_controller.rb

@@ -78,7 +78,14 @@ class API::CouponsController < API::ApiController
   end
 
   def coupon_params
-    params.require(:coupon).permit(:name, :code, :percent_off, :amount_off, :validity_per_user, :valid_until, :max_usages, :active)
+    if @parameters
+      @parameters
+    else
+      @parameters = params
+      @parameters[:coupon][:amount_off] = @parameters[:coupon][:amount_off].to_i * 100.0 if @parameters[:coupon][:amount_off]
+
+      @parameters = @parameters.require(:coupon).permit(:name, :code, :percent_off, :amount_off, :validity_per_user, :valid_until, :max_usages, :active)
+    end
   end
 
   def coupon_editable_params

app/controllers/api/plans_controller.rb

@@ -92,8 +92,6 @@
             plan_file_attributes: [:id, :attachment, :_destroy],
             prices_attributes: [:id, :amount]
         )
-
-        @parameters
       end
     end
 end

app/views/api/coupons/_coupon.json.jbuilder

@@ -1,3 +1,4 @@
-json.extract! coupon, :id, :name, :code, :type, :percent_off, :amount_off, :valid_until, :validity_per_user, :max_usages, :active, :created_at
+json.extract! coupon, :id, :name, :code, :type, :percent_off, :valid_until, :validity_per_user, :max_usages, :active, :created_at
+json.amount_off (coupon.amount_off / 100.00) unless coupon.amount_off.nil?
 json.usages coupon.invoices.count
 json.status coupon.status

app/workers/stripe_worker.rb

@@ -20,10 +20,14 @@ class StripeWorker
     stp_coupon = {
         id: coupon.code,
         duration: coupon.validity_per_user,
-        percent_off: coupon.percent_off,
-        amount_off: coupon.amount_off,
-        currency: Rails.application.secrets.stripe_currency,
     }
+    if coupon.type == 'percent_off'
+      stp_coupon[:percent_off] = coupon.percent_off
+    elsif coupon.type == 'amount_off'
+      stp_coupon[:amount_off] = coupon.amount_off
+      stp_coupon[:currency] = Rails.application.secrets.stripe_currency
+    end
+
     unless coupon.valid_until.nil?
       stp_coupon[:redeem_by] = coupon.valid_until.to_i
     end