From 811004096bf708325809aaef00aa4b83bdcd8636 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Brage=20Skj=C3=B8nborg?= <bskjon@outlook.com>
Date: Fri, 30 Jan 2026 04:00:05 +0100
Subject: [PATCH] Effective

---
 .../controller/EventsController.kt            |  7 ++++++
 .../coordinator/services/EventService.kt      | 25 +++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/apps/coordinator/src/main/kotlin/no/iktdev/mediaprocessing/coordinator/controller/EventsController.kt b/apps/coordinator/src/main/kotlin/no/iktdev/mediaprocessing/coordinator/controller/EventsController.kt
index 05cfcfec..f102f4c3 100644
--- a/apps/coordinator/src/main/kotlin/no/iktdev/mediaprocessing/coordinator/controller/EventsController.kt
+++ b/apps/coordinator/src/main/kotlin/no/iktdev/mediaprocessing/coordinator/controller/EventsController.kt
@@ -33,4 +33,11 @@ class EventsController(
             limit = limit
         )
     }
+
+    @GetMapping("/history/{referenceId}/effective")
+    fun getEffectiveHistory(
+        @PathVariable referenceId: UUID,
+    ): List<PersistedEvent> {
+        return paging.getEffectiveHistory(referenceId)
+    }
 }
diff --git a/apps/coordinator/src/main/kotlin/no/iktdev/mediaprocessing/coordinator/services/EventService.kt b/apps/coordinator/src/main/kotlin/no/iktdev/mediaprocessing/coordinator/services/EventService.kt
index 5dee4f2f..d2d4f2cc 100644
--- a/apps/coordinator/src/main/kotlin/no/iktdev/mediaprocessing/coordinator/services/EventService.kt
+++ b/apps/coordinator/src/main/kotlin/no/iktdev/mediaprocessing/coordinator/services/EventService.kt
@@ -1,6 +1,7 @@
 package no.iktdev.mediaprocessing.coordinator.services
 
 import no.iktdev.eventi.ZDS.toEvent
+import no.iktdev.eventi.models.DeleteEvent
 import no.iktdev.eventi.models.store.PersistedEvent
 import no.iktdev.mediaprocessing.shared.common.dto.EventQuery
 import no.iktdev.mediaprocessing.shared.common.dto.Paginated
@@ -52,4 +53,28 @@ class EventService {
     fun createForcedTaskResetAuditEvent(referenceId: UUID, taskId: UUID): UUID? {
         return EventStore.createTaskResetAudioEvent(referenceId, taskId)
     }
+
+    fun getEffectiveHistory(referenceId: UUID): List<PersistedEvent> {
+        val persisted = EventStore.getPersistedEventsFor(referenceId)
+
+        // Parse alle events (kan være null hvis ukjent type)
+        val parsed = persisted.mapNotNull { pe ->
+            pe.toEvent()?.let { ev -> pe to ev }
+        }
+
+        // Finn alle eventIds som er slettet
+        val deletedIds = parsed
+            .map { it.second }
+            .filterIsInstance<DeleteEvent>()
+            .map { it.deletedEventId }
+            .toSet()
+
+        // Filtrer persisted basert på event-logikken
+        return parsed
+            .filter { (_, ev) -> ev.eventId !in deletedIds }   // fjern slettede
+            .filter { (_, ev) -> ev !is DeleteEvent }          // fjern selve DeleteEvent
+            .map { it.first }                                  // behold kun PersistedEvent
+    }
+
+
 }
\ No newline at end of file