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How to communicate subscription plan after a crossgrade

  • 11 September 2021
  • 3 replies
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Say I have subscription plans A and B (same level).

From entitlement.productIdentifier I detect that a user is, say, subscribed to A. With this information, I keep option B available for a crossgrade, and A disabled and marked as active.

When they opt to subscribe to B, A is still active (because it will remain so until the renewal date). The purchase succeeds but do I have the information to communicate the current scenario? I would like to disable B as well, because it is already purchased, and mark it somehow as active starting on certain date. 

Apparently I don’t have the information to figure out this scenario in PurchaserInfo, do I?

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Best answer by jazmine 15 September 2021, 23:04

Hey @Germán Buela ,

We don’t have the information for a pending renewal in purchaerInfo, but we do have a workaround with using webhooks. When a user makes a product change, a webhook will be sent out with the event type PRODUCT_CHANGE. Here is an example of this type of webhook :

 

{
"event" : {
"event_timestamp_ms" : 1601338594769,
"product_id" : "com.revenuecat.myapp.monthly",
"period_type" : "NORMAL",
"purchased_at_ms" : 1601304429682,
"expiration_at_ms" : 1601311606660,
"environment" : "PRODUCTION",
"entitlement_id" : "subscription",
"entitlement_ids" : [
"subscription"
],
"presented_offering_id" : "defaultoffering",
"transaction_id" : "GPA.1234-1234-1234-12345",
"original_transaction_id" : "GPA.1234-1234-1234-12345",
"app_user_id" : "$RCAnonymousID:12345678-1234-1234-1234-123456789123",
"aliases" : [
"$RCAnonymousID:12345678-1234-1234-1234-123456789123"
],
"original_app_user_id" : "$RCAnonymousID:12345678-1234-1234-1234-123456789123",
"new_product_id" : "com.revenuecat.myapp.yearly",
"currency" : "USD",
"price" : 0,
"price_in_purchased_currency" : 0,
"subscriber_attributes" : {},
"store" : "PLAY_STORE",
"takehome_percentage" : 0.70,
"type" : "PRODUCT_CHANGE",
"id" : "12345678-1234-1234-1234-12345678912"
},
"api_version" : "1.0"
}

In the webhook you get : 

  • product_id : Old product ID you are switching from

  •  new_product_id : New Product ID you are switching to

  • Expiration_at_ms : Expiration date of old product 

    • If this time is in the future this means it is a downgrade/ Crossgrade

    • If this time is in the past this means it was an upgrade

With this information you could store this on your backend and relay the information and possibly disable B subscription ( as you described in your example).

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3 replies

This question is also of interest. I found only “activeSubscriptions” in the SDK, but this displays an active subscription, and not a subscription for which the renewal will take place. Please let me know if you find the answer.

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Hey @Germán Buela ,

We don’t have the information for a pending renewal in purchaerInfo, but we do have a workaround with using webhooks. When a user makes a product change, a webhook will be sent out with the event type PRODUCT_CHANGE. Here is an example of this type of webhook :

 

{
"event" : {
"event_timestamp_ms" : 1601338594769,
"product_id" : "com.revenuecat.myapp.monthly",
"period_type" : "NORMAL",
"purchased_at_ms" : 1601304429682,
"expiration_at_ms" : 1601311606660,
"environment" : "PRODUCTION",
"entitlement_id" : "subscription",
"entitlement_ids" : [
"subscription"
],
"presented_offering_id" : "defaultoffering",
"transaction_id" : "GPA.1234-1234-1234-12345",
"original_transaction_id" : "GPA.1234-1234-1234-12345",
"app_user_id" : "$RCAnonymousID:12345678-1234-1234-1234-123456789123",
"aliases" : [
"$RCAnonymousID:12345678-1234-1234-1234-123456789123"
],
"original_app_user_id" : "$RCAnonymousID:12345678-1234-1234-1234-123456789123",
"new_product_id" : "com.revenuecat.myapp.yearly",
"currency" : "USD",
"price" : 0,
"price_in_purchased_currency" : 0,
"subscriber_attributes" : {},
"store" : "PLAY_STORE",
"takehome_percentage" : 0.70,
"type" : "PRODUCT_CHANGE",
"id" : "12345678-1234-1234-1234-12345678912"
},
"api_version" : "1.0"
}

In the webhook you get : 

  • product_id : Old product ID you are switching from

  •  new_product_id : New Product ID you are switching to

  • Expiration_at_ms : Expiration date of old product 

    • If this time is in the future this means it is a downgrade/ Crossgrade

    • If this time is in the past this means it was an upgrade

With this information you could store this on your backend and relay the information and possibly disable B subscription ( as you described in your example).

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Thank you Jazmine,

I actually don’t have a backend so this solution doesn’t apply to my case.

I suppose not disabling subscription B won’t have any major consequences. If the user picks B again, it would either fail or be reported as success without any unexpected charge.

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