Make interfaces independent of billing api

app/src/main/java/org/futo/circles/subscriptions/google/GoogleItemPurchasedListener.kt → app/src/main/java/org/futo/circles/subscriptions/ItemPurchasedListener.kt

 package org.futo.circles.subscriptions.google
 
-import com.android.billingclient.api.Purchase
-
 
 interface GoogleItemPurchasedListener {
 
-    fun onItemPurchased(purchases: List<Purchase>)
+    fun onItemPurchased(purchase: String)
 
     fun onPurchaseFailed(errorCode: Int)
 

app/src/main/java/org/futo/circles/subscriptions/SubscriptionManager.kt

 package org.futo.circles.subscriptions
 
-import com.android.billingclient.api.ProductDetails
-
 interface SubscriptionManager {
 
-    suspend fun getDetails(): BillingResult<List<SubscriptionData>>
+    suspend fun getDetails(productIds: List<String>): BillingResult<List<SubscriptionData>>
 
-    suspend fun purchaseProduct(productDetails: ProductDetails): BillingResult<String>
+    suspend fun purchaseProduct(productId: String): BillingResult<String>
 
 }
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