[Missions] Correction du champ createdAtUtc retourné lors d'un `upd…

…ate` (#1167)

## Related Pull Requests & Issues

- Resolve #1147

----

- [ ] Tests E2E (Cypress)

backend/src/main/kotlin/fr/gouv/cacem/monitorenv/domain/use_cases/missions/CreateOrUpdateMission.kt

@@ -43,6 +43,12 @@ class CreateOrUpdateMission(
             UpdateMissionEvent(savedMission.mission),
         )
 
-        return savedMission.mission
+        /**
+         * TODO When doing an update, the `createdAtUtc` field is returned as null.
+         * To fix this, we return the stored `createdAtUtc`
+         */
+        return savedMission.mission.copy(
+            createdAtUtc = savedMission.mission.createdAtUtc ?: storedMission?.createdAtUtc,
+        )
     }
 }

backend/src/test/kotlin/fr/gouv/cacem/monitorenv/domain/use_cases/missions/CreateOrUpdateMissionUTests.kt

@@ -112,6 +112,8 @@ class CreateOrUpdateMissionUTests {
             MissionEntity(
                 id = 100,
                 endDateTimeUtc = ZonedDateTime.parse("2022-01-23T20:29:03Z"),
+                createdAtUtc = ZonedDateTime.parse("2022-01-23T20:29:03Z"),
+                updatedAtUtc = ZonedDateTime.now(),
                 facade = "La Face Ade",
                 hasMissionOrder = false,
                 isClosed = false,
@@ -154,4 +156,61 @@ class CreateOrUpdateMissionUTests {
             )
         assertThat(createdMission).isEqualTo(expectedCreatedMission)
     }
+
+    @Test
+    fun `should return the stored createAtUtc field When an update returned null createAtUtc`() {
+        // Given
+        val missionToUpdate =
+            MissionEntity(
+                id = 100,
+                missionTypes = listOf(MissionTypeEnum.LAND),
+                facade = "Outre-Mer",
+                geom = null,
+                startDateTimeUtc = ZonedDateTime.parse("2022-01-15T04:50:09Z"),
+                endDateTimeUtc = ZonedDateTime.parse("2022-01-23T20:29:03Z"),
+                isClosed = false,
+                missionSource = MissionSourceEnum.MONITORENV,
+                hasMissionOrder = false,
+                isDeleted = false,
+                isUnderJdp = false,
+                isGeometryComputedFromControls = false,
+            )
+
+        val returnedSavedMission =
+            MissionEntity(
+                id = 100,
+                endDateTimeUtc = ZonedDateTime.parse("2022-01-23T20:29:03Z"),
+                createdAtUtc = null,
+                updatedAtUtc = ZonedDateTime.now(),
+                facade = "La Face Ade",
+                hasMissionOrder = false,
+                isClosed = false,
+                isDeleted = false,
+                isGeometryComputedFromControls = false,
+                isUnderJdp = false,
+                missionSource = MissionSourceEnum.MONITORENV,
+                missionTypes = listOf(MissionTypeEnum.LAND),
+                startDateTimeUtc = ZonedDateTime.parse("2022-01-15T04:50:09Z"),
+            )
+
+        given(facadeAreasRepository.findFacadeFromGeometry(anyOrNull())).willReturn("La Face Ade")
+        given(missionRepository.findById(100))
+            .willReturn(missionToUpdate.copy(createdAtUtc = ZonedDateTime.parse("2022-01-23T20:29:03Z")))
+        given(missionRepository.save(anyOrNull()))
+            .willReturn(MissionDTO(mission = returnedSavedMission))
+
+        // When
+        val createdMission =
+            CreateOrUpdateMission(
+                missionRepository = missionRepository,
+                facadeRepository = facadeAreasRepository,
+                eventPublisher = applicationEventPublisher,
+            )
+                .execute(
+                    missionToUpdate,
+                )
+
+        // Then
+        assertThat(createdMission.createdAtUtc).isEqualTo(ZonedDateTime.parse("2022-01-23T20:29:03Z"))
+    }
 }