From 87c86b53a91b0054ac892a3f02bbe7bf83bbf813 Mon Sep 17 00:00:00 2001
From: Denis Kerner <11692788+dtricks@users.noreply.github.com>
Date: Wed, 2 Apr 2025 00:27:59 +0200
Subject: [PATCH] feat(Angulus): Add `Hide ads` patch (#4604)

Co-authored-by: Denis Kerner <denis.kerner@vodafone.com>
Co-authored-by: LisoUseInAIKyrios <118716522+LisoUseInAIKyrios@users.noreply.github.com>
Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
---
 patches/api/patches.api                        |  4 ++++
 .../patches/angulus/ads/Fingerprints.kt        | 18 ++++++++++++++++++
 .../patches/angulus/ads/RemoveAdsPatch.kt      | 14 ++++++++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/angulus/ads/Fingerprints.kt
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/angulus/ads/RemoveAdsPatch.kt

diff --git a/patches/api/patches.api b/patches/api/patches.api
index fc2d0de32..7ea364a9a 100644
--- a/patches/api/patches.api
+++ b/patches/api/patches.api
@@ -132,6 +132,10 @@ public final class app/revanced/patches/amazon/DeepLinkingPatchKt {
 	public static final fun getDeepLinkingPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
 
+public final class app/revanced/patches/angulus/ads/RemoveAdsPatchKt {
+	public static final fun getAngulusPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
+}
+
 public final class app/revanced/patches/backdrops/misc/pro/ProUnlockPatchKt {
 	public static final fun getProUnlockPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
diff --git a/patches/src/main/kotlin/app/revanced/patches/angulus/ads/Fingerprints.kt b/patches/src/main/kotlin/app/revanced/patches/angulus/ads/Fingerprints.kt
new file mode 100644
index 000000000..3196adb7e
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/angulus/ads/Fingerprints.kt
@@ -0,0 +1,18 @@
+package app.revanced.patches.angulus.ads
+
+import app.revanced.patcher.fingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+
+// Keywords to search for in case the method name changes:
+//     dailyMeasurementCount
+//     lastMeasurementDate
+//     dailyAdResetCount
+//     MeasurementPrefs
+
+// This fingerprint targets a method that returns the daily measurement count.
+// This method is used to determine if the user has reached the daily limit of measurements.
+internal val getDailyMeasurementCountFingerprint = fingerprint {
+    accessFlags(AccessFlags.PRIVATE)
+    returns("I")
+    strings("dailyMeasurementCount")
+}
diff --git a/patches/src/main/kotlin/app/revanced/patches/angulus/ads/RemoveAdsPatch.kt b/patches/src/main/kotlin/app/revanced/patches/angulus/ads/RemoveAdsPatch.kt
new file mode 100644
index 000000000..5eb585cf5
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/angulus/ads/RemoveAdsPatch.kt
@@ -0,0 +1,14 @@
+package app.revanced.patches.angulus.ads
+
+import app.revanced.patcher.patch.bytecodePatch
+import app.revanced.util.returnEarly
+
+@Suppress("unused")
+val angulusPatch = bytecodePatch(name = "Hide ads") {
+    compatibleWith("com.drinkplusplus.angulus")
+
+    execute {
+        // Always return 0 as the daily measurement count.
+        getDailyMeasurementCountFingerprint.method.returnEarly()
+    }
+}