src/main/java/net/hostsharing/hsadminng/hs/booking/debitor/HsBookingDebitorEntity.java

@@ -18,7 +18,7 @@ import static net.hostsharing.hsadminng.stringify.Stringify.stringify;
 
 // a partial HsOfficeDebitorEntity to reduce the number of SQL queries to load the entity
 @Entity
-@Table(name = "hs_office_debitor_rv") // TODO.impl: create a readonly view for this, which also joins the partner-number?
+@Table(name = "hs_booking_debitor_rv")
 @Getter
 @Builder
 @NoArgsConstructor
@@ -37,8 +37,8 @@ public class HsBookingDebitorEntity implements Stringifyable {
     @Id
     private UUID uuid;
 
-    @Column(name = "debitornumbersuffix", length = 2)
+    @Column(name = "debitornumber")
-    private String debitorNumberSuffix;
+    private Integer debitorNumber;
 
     @Column(name = "defaultprefix", columnDefinition = "char(3) not null")
     private String defaultPrefix;
@@ -50,6 +50,6 @@ public class HsBookingDebitorEntity implements Stringifyable {
 
     @Override
     public String toShortString() {
-        return DEBITOR_NUMBER_TAG + defaultPrefix;
+        return DEBITOR_NUMBER_TAG + debitorNumber;
     }
 }

src/main/java/net/hostsharing/hsadminng/hs/booking/debitor/HsBookingDebitorRepository.java

@@ -10,7 +10,5 @@ public interface HsBookingDebitorRepository extends Repository<HsBookingDebitorE
 
     Optional<HsBookingDebitorEntity> findByUuid(UUID id);
 
-    List<HsBookingDebitorEntity> findByDefaultPrefix(String defaultPrefix);
+    List<HsBookingDebitorEntity> findByDefaultPrefix(String defaultPrefix); // FIXME: change to findByDebitorNumber
-
-    long count();
 }

src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntity.java

@@ -202,6 +202,6 @@ public class HsBookingItemEntity implements Stringifyable, RbacObject, Validatab
     }
 
     public static void main(String[] args) throws IOException {
-        rbac().generateWithBaseFileName("6-hs-booking/620-booking-item/6203-hs-booking-item-rbac");
+        rbac().generateWithBaseFileName("6-hs-booking/630-booking-item/6303-hs-booking-item-rbac");
     }
 }

src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectController.java

@@ -1,6 +1,7 @@
 package net.hostsharing.hsadminng.hs.booking.project;
 
 import net.hostsharing.hsadminng.context.Context;
+import net.hostsharing.hsadminng.hs.booking.debitor.HsBookingDebitorRepository;
 import net.hostsharing.hsadminng.hs.booking.generated.api.v1.api.HsBookingProjectsApi;
 import net.hostsharing.hsadminng.hs.booking.generated.api.v1.model.HsBookingProjectInsertResource;
 import net.hostsharing.hsadminng.hs.booking.generated.api.v1.model.HsBookingProjectPatchResource;
@@ -12,8 +13,10 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder;
 
+import jakarta.persistence.EntityNotFoundException;
 import java.util.List;
 import java.util.UUID;
+import java.util.function.BiConsumer;
 
 @RestController
 public class HsBookingProjectController implements HsBookingProjectsApi {
@@ -27,6 +30,9 @@ public class HsBookingProjectController implements HsBookingProjectsApi {
     @Autowired
     private HsBookingProjectRepository bookingProjectRepo;
 
+    @Autowired
+    private HsBookingDebitorRepository debitorRepo;
+
     @Override
     @Transactional(readOnly = true)
     public ResponseEntity<List<HsBookingProjectResource>> listBookingProjectsByDebitorUuid(
@@ -50,7 +56,7 @@ public class HsBookingProjectController implements HsBookingProjectsApi {
 
         context.define(currentUser, assumedRoles);
 
-        final var entityToSave = mapper.map(body, HsBookingProjectEntity.class);
+        final var entityToSave = mapper.map(body, HsBookingProjectEntity.class, RESOURCE_TO_ENTITY_POSTMAPPER);
 
         final var saved = bookingProjectRepo.save(entityToSave);
 
@@ -111,4 +117,12 @@ public class HsBookingProjectController implements HsBookingProjectsApi {
         final var mapped = mapper.map(saved, HsBookingProjectResource.class);
         return ResponseEntity.ok(mapped);
     }
+
+    final BiConsumer<HsBookingProjectInsertResource, HsBookingProjectEntity> RESOURCE_TO_ENTITY_POSTMAPPER = (resource, entity) -> {
+        if (resource.getDebitorUuid() != null) {
+            entity.setDebitor(debitorRepo.findByUuid(resource.getDebitorUuid())
+                    .orElseThrow(() -> new EntityNotFoundException("ERROR: [400] debitorUuid %s not found".formatted(
+                            resource.getDebitorUuid()))));
+        }
+    };
 }

src/main/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectEntity.java

@@ -109,6 +109,6 @@ public class HsBookingProjectEntity implements Stringifyable, RbacObject {
     }
 
     public static void main(String[] args) throws IOException {
-        rbac().generateWithBaseFileName("6-hs-booking/610-booking-project/6103-hs-booking-project-rbac");
+        rbac().generateWithBaseFileName("6-hs-booking/620-booking-project/6203-hs-booking-project-rbac");
     }
 }

src/main/resources/db/changelog/6-hs-booking/610-booking-debitor/6100-hs-booking-debitor.sql

@@ -0,0 +1,17 @@
+--liquibase formatted sql
+
+-- ============================================================================
+--changeset hs-booking-debitor-RESTRICTED-VIEW:1 endDelimiter:--//
+-- ----------------------------------------------------------------------------
+
+create view hs_booking_debitor_rv as
+    select debitor.uuid,
+           debitor.version,
+           (partner.partnerNumber::varchar || debitor.debitorNumberSuffix)::numeric as debitorNumber,
+           debitor.defaultPrefix
+    from hs_office_debitor_rv debitor
+     -- RBAC for debitor is sufficient, for faster access we are bypassing RBAC for the join tables
+    join hs_office_relation debitorRel on debitor.debitorReluUid=debitorRel.uuid
+    join hs_office_relation partnerRel on partnerRel.holderUuid=debitorRel.anchorUuid
+    join hs_office_partner partner on partner.partnerReluUid=partnerRel.uuid;
+--//

src/main/resources/db/changelog/db.changelog-master.yaml

@@ -130,17 +130,19 @@ databaseChangeLog:
     - include:
         file: db/changelog/5-hs-office/512-coopassets/5128-hs-office-coopassets-test-data.sql
     - include:
-        file: db/changelog/6-hs-booking/610-booking-project/6100-hs-booking-project.sql
+        file: db/changelog/6-hs-booking/610-booking-debitor/6100-hs-booking-debitor.sql
     - include:
-        file: db/changelog/6-hs-booking/610-booking-project/6103-hs-booking-project-rbac.sql
+        file: db/changelog/6-hs-booking/620-booking-project/6200-hs-booking-project.sql
     - include:
-        file: db/changelog/6-hs-booking/610-booking-project/6108-hs-booking-project-test-data.sql
+        file: db/changelog/6-hs-booking/620-booking-project/6203-hs-booking-project-rbac.sql
     - include:
-        file: db/changelog/6-hs-booking/620-booking-item/6200-hs-booking-item.sql
+        file: db/changelog/6-hs-booking/620-booking-project/6208-hs-booking-project-test-data.sql
     - include:
-        file: db/changelog/6-hs-booking/620-booking-item/6203-hs-booking-item-rbac.sql
+        file: db/changelog/6-hs-booking/630-booking-item/6200-hs-booking-item.sql
     - include:
-        file: db/changelog/6-hs-booking/620-booking-item/6208-hs-booking-item-test-data.sql
+        file: db/changelog/6-hs-booking/630-booking-item/6203-hs-booking-item-rbac.sql
+    - include:
+        file: db/changelog/6-hs-booking/630-booking-item/6208-hs-booking-item-test-data.sql
     - include:
         file: db/changelog/7-hs-hosting/701-hosting-asset/7010-hs-hosting-asset.sql
     - include:

src/test/java/net/hostsharing/hsadminng/hs/booking/debitor/HsBookingDebitorEntityTest.java

@@ -9,25 +9,25 @@ class HsBookingDebitorEntityTest {
     @Test
     void toStringContainsDebitorNumberAndDefaultPrefix() {
         final var given = HsBookingDebitorEntity.builder()
-                .debitorNumberSuffix("67")
+                .debitorNumber(1234567)
                 .defaultPrefix("som")
                 .build();
 
         final var result = given.toString();
 
-        assertThat(result).isEqualTo("booking-debitor(D-som: som)"); // FIXME: I want "booking-debitor(D-1000167: som)"
+        assertThat(result).isEqualTo("booking-debitor(D-1234567: som)");
     }
 
     @Test
     void toShortStringContainsDefaultPrefix() {
         final var given = HsBookingDebitorEntity.builder()
-                .debitorNumberSuffix("67")
+                .debitorNumber(1234567)
                 .defaultPrefix("som")
                 .build();
 
         final var result = given.toShortString();
 
-        assertThat(result).isEqualTo("D-som"); // FIXME: I want "booking-debitor(D-1000167: som)"
+        assertThat(result).isEqualTo("D-1234567");
     }
 
 }

src/test/java/net/hostsharing/hsadminng/hs/booking/debitor/TestHsBookingDebitor.java

@@ -6,10 +6,8 @@ import lombok.experimental.UtilityClass;
 @UtilityClass
 public class TestHsBookingDebitor {
 
-    public String DEFAULT_DEBITOR_SUFFIX = "00";
-
     public static final HsBookingDebitorEntity TEST_BOOKING_DEBITOR = HsBookingDebitorEntity.builder()
-            .debitorNumberSuffix(DEFAULT_DEBITOR_SUFFIX)
+            .debitorNumber(1234500)
             .defaultPrefix("abc")
             .build();
 }

src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemControllerAcceptanceTest.java

@@ -311,7 +311,7 @@ class HsBookingItemControllerAcceptanceTest extends ContextBasedTestWithCleanup
             context.define("superuser-alex@hostsharing.net");
             assertThat(bookingItemRepo.findByUuid(givenBookingItem.getUuid())).isPresent().get()
                     .matches(mandate -> {
-                        assertThat(mandate.getProject().getDebitor().toString()).isEqualTo("booking-debitor(D-fir: fir)");
+                        assertThat(mandate.getProject().getDebitor().toString()).isEqualTo("booking-debitor(D-1000111: fir)");
                         assertThat(mandate.getValidFrom()).isEqualTo("2022-11-01");
                         assertThat(mandate.getValidTo()).isEqualTo("2022-12-31");
                         return true;

src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntityUnitTest.java

@@ -29,14 +29,14 @@ class HsBookingItemEntityUnitTest {
     void toStringContainsAllPropertiesAndResourcesSortedByKey() {
         final var result = givenBookingItem.toString();
 
-        assertThat(result).isEqualTo("HsBookingItemEntity(D-abc:test project, CLOUD_SERVER, [2020-01-01,2031-01-01), some caption, { CPUs: 2, HDD-storage: 2048, SSD-storage: 512 })");
+        assertThat(result).isEqualTo("HsBookingItemEntity(D-1234500:test project, CLOUD_SERVER, [2020-01-01,2031-01-01), some caption, { CPUs: 2, HDD-storage: 2048, SSD-storage: 512 })");
     }
 
     @Test
     void toShortStringContainsOnlyMemberNumberAndCaption() {
         final var result = givenBookingItem.toShortString();
 
-        assertThat(result).isEqualTo("D-abc:test project:some caption");
+        assertThat(result).isEqualTo("D-1234500:test project:some caption");
     }
 
     @Test

src/test/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemRepositoryIntegrationTest.java

@@ -174,9 +174,9 @@ class HsBookingItemRepositoryIntegrationTest extends ContextBasedTestWithCleanup
             // then
             allTheseBookingItemsAreReturned(
                     result,
-                    "HsBookingItemEntity(D-sec:D-1000212 default project, MANAGED_WEBSPACE, [2022-10-01,), some ManagedWebspace, { Daemons: 2, Multi: 4, SDD: 512, Traffic: 12 })",
+                    "HsBookingItemEntity(D-1000212:D-1000212 default project, MANAGED_WEBSPACE, [2022-10-01,), some ManagedWebspace, { Daemons: 2, Multi: 4, SDD: 512, Traffic: 12 })",
-                    "HsBookingItemEntity(D-sec:D-1000212 default project, MANAGED_SERVER, [2022-10-01,), separate ManagedServer, { CPUs: 2, RAM: 8, SDD: 512, Traffic: 42 })",
+                    "HsBookingItemEntity(D-1000212:D-1000212 default project, MANAGED_SERVER, [2022-10-01,), separate ManagedServer, { CPUs: 2, RAM: 8, SDD: 512, Traffic: 42 })",
-                    "HsBookingItemEntity(D-sec:D-1000212 default project, PRIVATE_CLOUD, [2024-04-01,), some PrivateCloud, { CPUs: 10, HDD: 10240, SDD: 10240, Traffic: 42 })");
+                    "HsBookingItemEntity(D-1000212:D-1000212 default project, PRIVATE_CLOUD, [2024-04-01,), some PrivateCloud, { CPUs: 10, HDD: 10240, SDD: 10240, Traffic: 42 })");
         }
 
         @Test
@@ -194,9 +194,9 @@ class HsBookingItemRepositoryIntegrationTest extends ContextBasedTestWithCleanup
             // then:
             exactlyTheseBookingItemsAreReturned(
                     result,
-                    "HsBookingItemEntity(D-fir:D-1000111 default project, MANAGED_SERVER, [2022-10-01,), separate ManagedServer, { CPUs: 2, RAM: 8, SDD: 512, Traffic: 42 })",
+                    "HsBookingItemEntity(D-1000111:D-1000111 default project, MANAGED_SERVER, [2022-10-01,), separate ManagedServer, { CPUs: 2, RAM: 8, SDD: 512, Traffic: 42 })",
-                    "HsBookingItemEntity(D-fir:D-1000111 default project, MANAGED_WEBSPACE, [2022-10-01,), some ManagedWebspace, { Daemons: 2, Multi: 4, SDD: 512, Traffic: 12 })",
+                    "HsBookingItemEntity(D-1000111:D-1000111 default project, MANAGED_WEBSPACE, [2022-10-01,), some ManagedWebspace, { Daemons: 2, Multi: 4, SDD: 512, Traffic: 12 })",
-                    "HsBookingItemEntity(D-fir:D-1000111 default project, PRIVATE_CLOUD, [2024-04-01,), some PrivateCloud, { CPUs: 10, HDD: 10240, SDD: 10240, Traffic: 42 })");
+                    "HsBookingItemEntity(D-1000111:D-1000111 default project, PRIVATE_CLOUD, [2024-04-01,), some PrivateCloud, { CPUs: 10, HDD: 10240, SDD: 10240, Traffic: 42 })");
         }
     }
 

src/test/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectControllerAcceptanceTest.java

@@ -220,7 +220,7 @@ class HsBookingProjectControllerAcceptanceTest extends ContextBasedTestWithClean
             context.define("superuser-alex@hostsharing.net");
             assertThat(bookingProjectRepo.findByUuid(givenBookingProject.getUuid())).isPresent().get()
                     .matches(mandate -> {
-                        assertThat(mandate.getDebitor().toString()).isEqualTo("debitor(D-1000111: rel(anchor='LP First GmbH', type='DEBITOR', holder='LP First GmbH'), fir)");
+                        assertThat(mandate.getDebitor().toString()).isEqualTo("booking-debitor(D-1000111: fir)");
                         return true;
                     });
         }

src/test/java/net/hostsharing/hsadminng/hs/booking/project/HsBookingProjectEntityUnitTest.java

@@ -15,13 +15,13 @@ class HsBookingProjectEntityUnitTest {
     void toStringContainsAllPropertiesAndResourcesSortedByKey() {
         final var result = givenBookingProject.toString();
 
-        assertThat(result).isEqualTo("HsBookingProjectEntity(D-1000100, some caption)");
+        assertThat(result).isEqualTo("HsBookingProjectEntity(D-1234500, some caption)");
     }
 
     @Test
     void toShortStringContainsOnlyMemberNumberAndCaption() {
         final var result = givenBookingProject.toShortString();
 
-        assertThat(result).isEqualTo("D-1000100:some caption");
+        assertThat(result).isEqualTo("D-1234500:some caption");
     }
 }