Initial commit

app/src/oss/java/com/aryan/reader/BillingClientWrapper.kt

@@ -0,0 +1,52 @@
+// src\oss
+package com.aryan.reader
+
+import android.app.Activity
+import android.content.Context
+import com.aryan.reader.data.ProductDetailsEntity
+import com.aryan.reader.data.PurchaseEntity
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+data class ProUpgradeState(
+    val productDetails: ProductDetailsEntity? = null,
+    val hasValidPurchase: Boolean = false,
+    val activePurchases: List<PurchaseEntity> = emptyList(),
+    val billingClientReady: Boolean = false,
+    val error: String? = null,
+    val isVerifying: Boolean = false
+)
+
+class BillingClientWrapper(
+    context: Context,
+    private val externalScope: CoroutineScope,
+    private val onPurchaseVerified: (PurchaseEntity) -> Unit
+) {
+    private val _proUpgradeState = MutableStateFlow(ProUpgradeState())
+    val proUpgradeState = _proUpgradeState.asStateFlow()
+
+    fun initializeConnection() {
+        // No-op for OSS
+    }
+
+    fun refreshPurchasesAsync() {
+        // No-op
+    }
+
+    fun launchPurchaseFlow(activity: Activity) {
+        _proUpgradeState.value = _proUpgradeState.value.copy(error = "Not available in Open Source version")
+    }
+
+    fun clearError() {
+        _proUpgradeState.value = _proUpgradeState.value.copy(error = null)
+    }
+
+    fun clearVerificationState() {
+        _proUpgradeState.value = _proUpgradeState.value.copy(isVerifying = false)
+    }
+
+    companion object {
+        const val PRO_LIFETIME_PRODUCT_ID = "episteme_pro_lifetime"
+    }
+}