src/main/java/net/hostsharing/hsadminng/hs/office/debitor/HsOfficeDebitorController.java

@@ -77,61 +77,38 @@ public class HsOfficeDebitorController implements HsOfficeDebitorsApi {
                 "ERROR: [400] exactly one of debitorRel and debitorRelUuid must be supplied, but found both");
         Validate.isTrue(body.getDebitorRel() != null || body.getDebitorRelUuid() != null,
                 "ERROR: [400] exactly one of debitorRel and debitorRelUuid must be supplied, but found none");
-        Validate.isTrue(body.getDebitorRel() == null ||
-                    body.getDebitorRel().getType() == null || DEBITOR.name().equals(body.getDebitorRel().getType()),
-                "ERROR: [400] debitorRel.type must be '"+DEBITOR.name()+"' or null for default");
         Validate.isTrue(body.getDebitorRel() == null || body.getDebitorRel().getMark() == null,
                 "ERROR: [400] debitorRel.mark must be null");
 
         final var entityToSave = mapper.map(body, HsOfficeDebitorEntity.class);
-        try {
-            if (body.getDebitorRel() != null) {
-                body.getDebitorRel().setType(DEBITOR.name());
-                final var debitorRel = mapper.map("debitorRel.", body.getDebitorRel(), HsOfficeRelationRealEntity.class);
-                entityValidator.validateEntityExists("debitorRel.anchorUuid", debitorRel.getAnchor());
-                entityValidator.validateEntityExists("debitorRel.holderUuid", debitorRel.getHolder());
-                entityValidator.validateEntityExists("debitorRel.contactUuid", debitorRel.getContact());
-                entityToSave.setDebitorRel(relrealRepo.save(debitorRel));
-            } else {
-                final var debitorRelOptional = relrealRepo.findByUuid(body.getDebitorRelUuid());
-                debitorRelOptional.ifPresentOrElse(
-                        debitorRel -> {entityToSave.setDebitorRel(relrealRepo.save(debitorRel));},
-                        () -> {
-                            throw new ValidationException(
-                                    "Unable to find RealRelation by debitorRelUuid: " + body.getDebitorRelUuid());
-                        });
-            }
-
-            final var partnerRel = em.createNativeQuery("""
-                    SELECT partnerRel.*
-                            FROM hs_office.relation AS partnerRel
-                            JOIN hs_office.relation AS debitorRel
-                                ON debitorRel.type = 'DEBITOR' AND debitorRel.anchorUuid = partnerRel.holderUuid
-                            WHERE partnerRel.type = 'PARTNER'
-                                AND :NEW_DebitorRelUuid = debitorRel.uuid
-            """).setParameter("NEW_DebitorRelUuid", entityToSave.getDebitorRel().getUuid()).getResultList();
-
-
-            final var debitorRel = em.createNativeQuery("""
-                    SELECT debitorRel.*
-                            FROM hs_office.relation AS debitorRel
-                            WHERE :NEW_DebitorRelUuid = debitorRel.uuid
-            """).setParameter("NEW_DebitorRelUuid", entityToSave.getDebitorRel().getUuid()).getResultList();
-
-            final var savedEntity = debitorRepo.save(entityToSave);
-            em.flush();
-            em.refresh(savedEntity);
-
-            final var uri =
-                    MvcUriComponentsBuilder.fromController(getClass())
-                            .path("/api/hs/office/debitors/{id}")
-                            .buildAndExpand(savedEntity.getUuid())
-                            .toUri();
-            final var mapped = mapper.map(savedEntity, HsOfficeDebitorResource.class);
-            return ResponseEntity.created(uri).body(mapped);
-        } catch (final RuntimeException exc) {
-            throw exc;
+        if (body.getDebitorRel() != null) {
+            final var debitorRel = mapper.map("debitorRel.", body.getDebitorRel(), HsOfficeRelationRealEntity.class);
+            debitorRel.setType(DEBITOR);
+            entityValidator.validateEntityExists("debitorRel.anchorUuid", debitorRel.getAnchor());
+            entityValidator.validateEntityExists("debitorRel.holderUuid", debitorRel.getHolder());
+            entityValidator.validateEntityExists("debitorRel.contactUuid", debitorRel.getContact());
+            entityToSave.setDebitorRel(relrealRepo.save(debitorRel));
+        } else {
+            final var debitorRelOptional = relrealRepo.findByUuid(body.getDebitorRelUuid());
+            debitorRelOptional.ifPresentOrElse(
+                    debitorRel -> {entityToSave.setDebitorRel(relrealRepo.save(debitorRel));},
+                    () -> {
+                        throw new ValidationException(
+                                "Unable to find RealRelation by debitorRelUuid: " + body.getDebitorRelUuid());
+                    });
         }
+
+        final var savedEntity = debitorRepo.save(entityToSave);
+        em.flush();
+        em.refresh(savedEntity);
+
+        final var uri =
+                MvcUriComponentsBuilder.fromController(getClass())
+                        .path("/api/hs/office/debitors/{id}")
+                        .buildAndExpand(savedEntity.getUuid())
+                        .toUri();
+        final var mapped = mapper.map(savedEntity, HsOfficeDebitorResource.class);
+        return ResponseEntity.created(uri).body(mapped);
     }
 
     @Override

src/main/resources/api-definition/hs-office/hs-office-debitor-schemas.yaml

@@ -74,7 +74,7 @@ components:
             type: object
             properties:
                 debitorRel:
-                    $ref: 'hs-office-relation-schemas.yaml#/components/schemas/HsOfficeRelationInsert'
+                    $ref: 'hs-office-relation-schemas.yaml#/components/schemas/HsOfficeRelationSubInsert'
                 debitorRelUuid:
                     type: string
                     format: uuid

src/main/resources/api-definition/hs-office/hs-office-relation-schemas.yaml

@@ -41,6 +41,7 @@ components:
                     format: uuid
                     nullable: true
 
+        # arbitrary relation with explicit type
         HsOfficeRelationInsert:
             type: object
             properties:
@@ -64,3 +65,24 @@ components:
               - holderUuid
               - type
               - contactUuid
+
+        # relation created as a sub-element with implicitly known type
+        HsOfficeRelationSubInsert:
+            type: object
+            properties:
+                anchorUuid:
+                    type: string
+                    format: uuid
+                holderUuid:
+                    type: string
+                    format: uuid
+                mark:
+                    type: string
+                    nullable: true
+                contactUuid:
+                    type: string
+                    format: uuid
+            required:
+                - anchorUuid
+                - holderUuid
+                - contactUuid

src/test/java/net/hostsharing/hsadminng/hs/office/scenarios/debitor/CreateExternalDebitorForPartner.java

@@ -46,7 +46,6 @@ public class CreateExternalDebitorForPartner extends UseCase<CreateExternalDebit
         return httpPost("/api/hs/office/debitors", usingJsonBody("""
                 {
                     "debitorRel": {
-                        "type": "DEBITOR", // FIXME: should be defaulted to DEBITOR
                         "anchorUuid": ${partnerPersonUuid},
                         "holderUuid": ${Person: Billing GmbH},
                         "contactUuid": ${Contact: Billing GmbH - Test AG billing}