Kiosk: Annull check-in if turnstile did not turn

pretixscan/app/src/main/java/eu/pretix/pretixscan/droid/ui/KioskActivity.kt

@@ -37,6 +37,8 @@ import eu.pretix.pretixscan.droid.PretixScan
 import eu.pretix.pretixscan.droid.R
 import eu.pretix.pretixscan.droid.databinding.ActivityKioskBinding
 import eu.pretix.pretixscan.droid.hardware.LED
+import io.sentry.Sentry
+import kotlinx.coroutines.launch
 import java.util.IllformedLocaleException
 import java.util.Locale
 
@@ -83,6 +85,7 @@ class KioskActivity : BaseScanActivity() {
             field = value
         }
     var lastTicketRequireAttention = false
+    var lastScanNonce: String? = null
     var localizedContext: Context? = null
     override var useOrderLocale = true
 
@@ -328,6 +331,7 @@ class KioskActivity : BaseScanActivity() {
             setTemporaryLocale(result.locale!!)
         }
         lastTicketRequireAttention = result.isRequireAttention
+        lastScanNonce = result.nonce
         var isPrintable = false
         val mayBePrintable = (conf.printBadges &&
                 result.scanType != TicketCheckProvider.CheckInType.EXIT &&
@@ -499,9 +503,17 @@ class KioskActivity : BaseScanActivity() {
                         }
                     } else if (resultCode == 2) {
                         // Gate opened, but did not turn.
-                        // TODO: Revert checkin?
+                        if (conf.sounds) {
+                            mediaPlayers[R.raw.error]?.start()
+                        }
                         runOnUiThread {
-                            backToStartHandler.postDelayed(backToStart, conf.timeAfterGateOpen.toLong())
+                            annullCheckin()
+                            binding.tvRejectedMessage.text = getString(R.string.kiosk_text_noentry)
+                            binding.tvRejectedReason.visibility = View.VISIBLE
+                            binding.tvRejectedReason.text = getString(R.string.kiosk_text_noentry_description)
+                            state = KioskState.Rejected
+                            updateUi()
+                            backToStartHandler.postDelayed(backToStart, 5_000)
                         }
                     } else {
                         // gate opening failed
@@ -523,6 +535,26 @@ class KioskActivity : BaseScanActivity() {
         }
     }
 
+    fun annullCheckin() {
+        val nonce = lastScanNonce ?: return
+        bgScope.launch {
+            try {
+                val provider = (application as PretixScan).getCheckProvider(conf)
+                provider.annul(
+                    conf.eventSelectionToMap(),
+                    nonce,
+                    "Turnstile did not turn"
+                )
+            } catch (e: Exception) {
+                // Nothing we can do, we already gave user feedback
+                Sentry.captureException(e)
+                if (BuildConfig.DEBUG) {
+                    e.printStackTrace()
+                }
+            }
+        }
+    }
+
 
     fun updateUi() {
         binding.clWaitingForScan.visibility = View.GONE
@@ -820,4 +852,4 @@ class KioskActivity : BaseScanActivity() {
         }
     }
 
-}
+}

pretixscan/app/src/main/java/eu/pretix/pretixscan/utils/SqlDelightUtils.kt

@@ -31,6 +31,7 @@ fun createSyncDatabase(
         CheckInAdapter =
         CheckIn.Adapter(
             datetimeAdapter = dateAdapter,
+            local_annulledAdapter = dateAdapter,
         ),
         ClosingAdapter =
         Closing.Adapter(
@@ -46,6 +47,7 @@ fun createSyncDatabase(
         ),
         QueuedCheckInAdapter = QueuedCheckIn.Adapter(
             datetimeAdapter = dateAdapter,
+            annulledAdapter = dateAdapter,
         ),
         ReceiptLineAdapter =
         ReceiptLine.Adapter(

pretixscan/app/src/main/res/values/strings.xml

@@ -204,4 +204,6 @@
     <string name="kiosk_error_printing_failed">Printing failed</string>
     <string name="kiosk_error_printing_failed_timeout">Printing failed by timeout</string>
     <string name="kiosk_error_unknown_scan_result_type">Unknown Scan Result Type</string>
+    <string name="kiosk_text_noentry">No entry detected</string>
+    <string name="kiosk_text_noentry_description">Your ticket will be valid again shortly</string>
 </resources>