refactor: general refactoring

src/main/kotlin/app/revanced/patches/strava/subscription/patch/UnlockSubscriptionPatch.kt

@@ -1,29 +1,23 @@
 package app.revanced.patches.strava.subscription.patch
 
+import app.revanced.extensions.exception
 import app.revanced.patcher.annotation.Compatibility
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Package
 import app.revanced.patcher.data.BytecodeContext
 import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
 import app.revanced.patcher.patch.BytecodePatch
-import app.revanced.patcher.patch.PatchException
 import app.revanced.patcher.patch.annotations.Patch
 import app.revanced.patches.strava.subscription.fingerprints.GetSubscribedFingerprint
 
 @Patch
 @Name("Unlock subscription features")
 @Description("Unlocks \"Matched Runs\" and \"Segment Efforts\".")
 @Compatibility([Package("com.strava", ["320.12"])])
-class UnlockSubscriptionPatch : BytecodePatch(
-    listOf(GetSubscribedFingerprint)
-) {
-    override fun execute(context: BytecodeContext) {
-        val result = GetSubscribedFingerprint.result
-            ?: throw PatchException("Fingerprint not found")
-        val patternScanResult = result.scanResult.patternScanResult
-            ?: throw PatchException("Fingerprint pattern not found")
-
-        result.mutableMethod.replaceInstruction(patternScanResult.startIndex, "const/4 v0, 0x1")
-    }
-}
+class UnlockSubscriptionPatch : BytecodePatch(listOf(GetSubscribedFingerprint)) {
+    override fun execute(context: BytecodeContext) = GetSubscribedFingerprint.result?.let { result ->
+        val isSubscribedIndex = result.scanResult.patternScanResult!!.startIndex
+        result.mutableMethod.replaceInstruction(isSubscribedIndex, "const/4 v0, 0x1")
+    } ?: throw GetSubscribedFingerprint.exception
+}