IOS: Support autoRewind and disableAutoRewind setting

ios/App/AudiobookshelfUnitTests/Shared/player/util/PlayerTimeUtilsTests.swift

@@ -12,9 +12,41 @@ final class PlayerTimeUtilsTests: XCTestCase {
     
     func testCalcSeekBackTime() {
         let currentTime: Double = 1000
-        let threeSecondsAgo = Date(timeIntervalSinceNow: -3)
+        
-        let lastPlayedMs = threeSecondsAgo.timeIntervalSince1970 * 1000
+        // 1. Nil lastPlayedMs → should seek back 5s
-        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: lastPlayedMs), 998)
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: nil), 995)
+        
+        // 2. Played ~3s ago (<6s) → should seek back 2s
+        let played3sAgo = Date(timeIntervalSinceNow: -3).timeIntervalSince1970 * 1000
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: played3sAgo), 998)
+        
+        // 3. Played ~8s ago (6-12s range) → should seek back 10s
+        let played8sAgo = Date(timeIntervalSinceNow: -8).timeIntervalSince1970 * 1000
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: played8sAgo), 990)
+        
+        // 4. Played ~20s ago (12-30s range) → should seek back 15s
+        let played20sAgo = Date(timeIntervalSinceNow: -20).timeIntervalSince1970 * 1000
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: played20sAgo), 985)
+        
+        // 5. Played ~60s ago (30-180s range) → should seek back 20s
+        let played60sAgo = Date(timeIntervalSinceNow: -60).timeIntervalSince1970 * 1000
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: played60sAgo), 980)
+        
+        // 6. Played ~300s ago (180-3600s range) → should seek back 25s
+        let played300sAgo = Date(timeIntervalSinceNow: -300).timeIntervalSince1970 * 1000
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: played300sAgo), 975)
+        
+        // 7. Played ~4000s ago (>3600s range) → should seek back 29s
+        let played4000sAgo = Date(timeIntervalSinceNow: -4000).timeIntervalSince1970 * 1000
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: played4000sAgo), 971)
+        
+        // 8. Edge case where currentTime is small and would go negative
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: 3, lastPlayedMs: played3sAgo), 1)
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: 1, lastPlayedMs: played3sAgo), 0)
+        
+        // 9. Edge case: negative lastPlayedMs (should be treated as an old timestamp)
+        XCTAssertEqual(PlayerTimeUtils.calcSeekBackTime(currentTime: currentTime, lastPlayedMs: -5000), 971)
+      
     }
     
     func testCalcSeekBackTimeWithZeroCurrentTime() {
@@ -27,7 +59,7 @@ final class PlayerTimeUtilsTests: XCTestCase {
     func testTimeSinceLastPlayed() throws {
         let fiveSecondsAgo = Date(timeIntervalSinceNow: -5)
         let lastPlayedMs = fiveSecondsAgo.timeIntervalSince1970 * 1000
-        XCTAssertEqual(PlayerTimeUtils.timeSinceLastPlayed(lastPlayedMs)!, -5, accuracy: 1.0)
+        XCTAssertEqual(PlayerTimeUtils.timeSinceLastPlayed(lastPlayedMs)!, 5, accuracy: 1.0)
         XCTAssertNil(PlayerTimeUtils.timeSinceLastPlayed(nil))
     }
     

ios/App/Shared/player/util/PlayerTimeUtils.swift

@@ -21,10 +21,13 @@ class PlayerTimeUtils {
     static internal func timeSinceLastPlayed(_ lastPlayedMs: Double?) -> TimeInterval? {
         guard let lastPlayedMs = lastPlayedMs else { return nil }
         let lastPlayed = Date(timeIntervalSince1970: lastPlayedMs / 1000)
-        return lastPlayed.timeIntervalSinceNow
+        return Date().timeIntervalSince(lastPlayed)
     }
     
     static internal func timeToSeekBackForSinceLastPlayed(_ sinceLastPlayed: TimeInterval?) -> TimeInterval {
+        if isAutoRewindDisabled(){
+          return 0
+        }
         if let sinceLastPlayed = sinceLastPlayed {
             if sinceLastPlayed < 6 {
                 return 2
@@ -44,4 +47,9 @@ class PlayerTimeUtils {
         }
     }
     
+    static internal func isAutoRewindDisabled() -> Bool {
+      let deviceSettings = Database.shared.getDeviceSettings()
+      return deviceSettings.disableAutoRewind
+    }
+    
 }

pages/settings.vue

@@ -36,7 +36,7 @@
 
     <!-- Playback settings -->
     <p class="uppercase text-xs font-semibold text-fg-muted mb-2 mt-10">{{ $strings.HeaderPlaybackSettings }}</p>
-    <div v-if="!isiOS" class="flex items-center py-3">
+    <div class="flex items-center py-3">
       <div class="w-10 flex justify-center" @click="toggleDisableAutoRewind">
         <ui-toggle-switch v-model="settings.disableAutoRewind" @input="saveSettings" />
       </div>