Export retained notification images in HTML

app/src/main/java/se/ajpanton/notificationlog/capture/NotificationCaptureService.kt

@@ -77,17 +77,20 @@ class NotificationCaptureService : NotificationListenerService() {
     ) {
         if (!NotificationRuleEvaluator.allows(ruleStore.ruleFor(loggingType), snapshot.packageName)) return
         val appName = appName(snapshot.packageName)
+        val retainImage = includeContents && snapshot.imageBytes != null &&
+            NotificationRuleEvaluator.allows(ruleStore.ruleFor(LoggingType.IMAGE_CONTENT), snapshot.packageName)
         val entry = NotificationLogEntry(
             recordedAtEpochMillis = System.currentTimeMillis(),
             packageName = snapshot.packageName,
             appName = appName,
             action = action,
             contents = if (includeContents) visibleContents(snapshot) else null,
+            imageId = if (retainImage) java.util.UUID.randomUUID().toString() else null,
         )
         writeExecutor.execute {
             try {
-                if (includeContents && snapshot.imageBytes != null && NotificationRuleEvaluator.allows(ruleStore.ruleFor(LoggingType.IMAGE_CONTENT), snapshot.packageName)) {
-                    imageStore.save(entry.id, snapshot.imageBytes)
+                if (retainImage) {
+                    imageStore.save(entry.imageId!!, snapshot.imageBytes!!)
                 }
                 logStore.append(entry)
             } catch (error: Exception) {