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Flutter : firebase google authentication cycle with revenuecat

  • 25 September 2021
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we are working on a flutter app that uses firebase authentication and each user has his own unique user id , first we setup the revenuecat on the lunch of the app using this 

await Purchases.setup("public_sdk_key");
secondly when the user logs in we use its unique user id in : 

await Purchases.logIn(uuid);
thirdly and when the user logs out we use 
await Purchases.logOut();
is this the best practice and how can we handle if the user terminated his subscription while using the app

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Best answer by ryan 28 September 2021, 02:26

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ryan
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Hey @Iqraa-lamha

That setup sounds correct! You should inspect the PurchaserInfo object to determine if the subscription for the user is still active. You won’t get pushed information if the subscription expires in the middle of app-usage, but the next time you call .getPurchaserInfo() or restart the app the latest PurchaserInfo object will be fetched.

 

The .getPurchaserInfo() call operates on a 5-minute cache, so you can call this as frequent as you’d like without worrying about rate limits, still knowing that the information won’t be more than a few minutes behind.

 

 

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