src/main/resources/db/changelog/5-hs-office/501-contact/5016-hs-office-contact-migration.sql

@@ -4,13 +4,13 @@
 --  Once we don't need the external remote views anymore, create revert changesets.
 
 -- ============================================================================
---changeset michael.hoennig:hs-office-contact-MIGRATION-mapping endDelimiter:--//
+--changeset michael.hoennig:hs-office-contact-MIGRATION-legacy-mapping endDelimiter:--//
 -- ----------------------------------------------------------------------------
 
 CREATE TABLE hs_office.contact_legacy_id
 (
-    uuid        uuid NOT NULL REFERENCES hs_office.contact(uuid),
+    uuid        uuid PRIMARY KEY NOT NULL REFERENCES hs_office.contact(uuid),
-    contact_id  integer NOT NULL
+    contact_id  integer UNIQUE NOT NULL
 );
 --//
 

src/main/resources/db/changelog/5-hs-office/504-partner/5046-hs-office-partner-migration.sql

@@ -4,13 +4,13 @@
 --  Once we don't need the external remote views anymore, create revert changesets.
 
 -- ============================================================================
---changeset michael.hoennig:hs-office-partner-MIGRATION-mapping endDelimiter:--//
+--changeset michael.hoennig:hs-office-partner-MIGRATION-legacy-mapping endDelimiter:--//
 -- ----------------------------------------------------------------------------
 
 CREATE TABLE hs_office.partner_legacy_id
 (
-    uuid        uuid NOT NULL REFERENCES hs_office.partner(uuid),
+    uuid        uuid PRIMARY KEY NOT NULL REFERENCES hs_office.partner(uuid),
-    bp_id       integer NOT NULL
+    bp_id       integer UNIQUE NOT NULL
 );
 --//
 

src/main/resources/db/changelog/5-hs-office/507-sepamandate/5076-hs-office-sepamandate-migration.sql

@@ -4,13 +4,13 @@
 --  Once we don't need the external remote views anymore, create revert changesets.
 
 -- ============================================================================
---changeset michael.hoennig:hs-office-sepamandate-MIGRATION-mapping endDelimiter:--//
+--changeset michael.hoennig:hs-office-sepamandate-MIGRATION-legacy-mapping endDelimiter:--//
 -- ----------------------------------------------------------------------------
 
 CREATE TABLE hs_office.sepamandate_legacy_id
 (
-    uuid            uuid NOT NULL REFERENCES hs_office.sepamandate(uuid),
+    uuid             uuid PRIMARY KEY NOT NULL REFERENCES hs_office.sepamandate(uuid),
-    sepa_mandate_id  integer NOT NULL
+    sepa_mandate_id  integer UNIQUE NOT NULL
 );
 --//
 

src/main/resources/db/changelog/5-hs-office/511-coopshares/5116-hs-office-coopshares-migration.sql

@@ -4,13 +4,13 @@
 --  Once we don't need the external remote views anymore, create revert changesets.
 
 -- ============================================================================
---changeset michael.hoennig:hs-office-coopshares-MIGRATION-mapping endDelimiter:--//
+--changeset michael.hoennig:hs-office-coopshares-MIGRATION-legacy-mapping endDelimiter:--//
 -- ----------------------------------------------------------------------------
 
 CREATE TABLE hs_office.coopsharetx_legacy_id
 (
-    uuid            uuid NOT NULL REFERENCES hs_office.coopsharetx(uuid),
+    uuid            uuid PRIMARY KEY NOT NULL REFERENCES hs_office.coopsharetx(uuid),
-    member_share_id  integer NOT NULL
+    member_share_id  integer UNIQUE NOT NULL
 );
 --//
 

src/main/resources/db/changelog/5-hs-office/512-coopassets/5126-hs-office-coopassets-migration.sql

@@ -4,13 +4,13 @@
 --  Once we don't need the external remote views anymore, create revert changesets.
 
 -- ============================================================================
---changeset michael.hoennig:hs-office-coopassets-MIGRATION-mapping endDelimiter:--//
+--changeset michael.hoennig:hs-office-coopassets-MIGRATION-legacy-mapping endDelimiter:--//
 -- ----------------------------------------------------------------------------
 
 CREATE TABLE hs_office.coopassettx_legacy_id
 (
-    uuid            uuid NOT NULL REFERENCES hs_office.coopassettx(uuid),
+    uuid            uuid PRIMARY KEY NOT NULL REFERENCES hs_office.coopassettx(uuid),
-    member_asset_id  integer NOT NULL
+    member_asset_id  integer UNIQUE NOT NULL
 );
 --//
 

src/main/resources/db/changelog/7-hs-hosting/701-hosting-asset/7016-hs-hosting-asset-migration.sql

@@ -4,13 +4,13 @@
 --  Once we don't need the external remote views anymore, create revert changesets.
 
 -- ============================================================================
---changeset hs-hosting-asset-MIGRATION-mapping:1 endDelimiter:--//
+--changeset hs-hosting-asset-MIGRATION-legacy-mapping:1 endDelimiter:--//
 -- ----------------------------------------------------------------------------
 
 CREATE TABLE hs_hosting.asset_legacy_id
 (
-    uuid            uuid NOT NULL REFERENCES hs_hosting.asset(uuid),
+    uuid            uuid PRIMARY KEY NOT NULL REFERENCES hs_hosting.asset(uuid),
-    legacy_id       integer NOT NULL
+    legacy_id       integer NOT NULL -- not unique because we sometimes create multiple asset types for the same legacy asset
 );
 --//
 

src/test/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactRbacRepositoryIntegrationTest.java

@@ -1,10 +1,10 @@
 package net.hostsharing.hsadminng.hs.office.contact;
 
 import net.hostsharing.hsadminng.context.Context;
-import net.hostsharing.hsadminng.rbac.test.ContextBasedTestWithCleanup;
+import net.hostsharing.hsadminng.mapper.Array;
 import net.hostsharing.hsadminng.rbac.grant.RawRbacGrantRepository;
 import net.hostsharing.hsadminng.rbac.role.RawRbacRoleRepository;
-import net.hostsharing.hsadminng.mapper.Array;
+import net.hostsharing.hsadminng.rbac.test.ContextBasedTestWithCleanup;
 import net.hostsharing.hsadminng.rbac.test.JpaAttempt;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.junit.jupiter.api.Nested;
@@ -12,8 +12,8 @@ import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
-import org.springframework.test.context.bean.override.mockito.MockitoBean;
 import org.springframework.context.annotation.Import;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 
 import jakarta.persistence.EntityManager;
 import jakarta.persistence.PersistenceContext;
@@ -62,7 +62,8 @@ class HsOfficeContactRbacRepositoryIntegrationTest extends ContextBasedTestWithC
 
             // when
 
-            final var result = attempt(em, () -> toCleanup(contactRepo.save(
+            final var result = attempt(
+                    em, () -> toCleanup(contactRepo.save(
                             hsOfficeContact("a new contact", "contact-admin@www.example.com"))));
 
             // then
@@ -79,7 +80,8 @@ class HsOfficeContactRbacRepositoryIntegrationTest extends ContextBasedTestWithC
             final var count = contactRepo.count();
 
             // when
-            final var result = attempt(em, () -> toCleanup(contactRepo.save(
+            final var result = attempt(
+                    em, () -> toCleanup(contactRepo.save(
                             hsOfficeContact("another new contact", "another-new-contact@example.com"))));
 
             // then
@@ -87,6 +89,7 @@ class HsOfficeContactRbacRepositoryIntegrationTest extends ContextBasedTestWithC
             assertThat(result.returnedValue()).isNotNull().extracting(HsOfficeContactRbacEntity::getUuid).isNotNull();
             assertThatContactIsPersisted(result.returnedValue());
             assertThat(contactRepo.count()).isEqualTo(count + 1);
+            assertHasLegacyId(result.returnedValue(), "contact_id");
         }
 
         @Test
@@ -97,7 +100,8 @@ class HsOfficeContactRbacRepositoryIntegrationTest extends ContextBasedTestWithC
             final var initialGrantNames = distinctGrantDisplaysOf(rawGrantRepo.findAll());
 
             // when
-            attempt(em, () -> toCleanup(contactRepo.save(
+            attempt(
+                    em, () -> toCleanup(contactRepo.save(
                             hsOfficeContact("another new contact", "another-new-contact@example.com")))
             ).assumeSuccessful();
 
@@ -300,7 +304,8 @@ class HsOfficeContactRbacRepositoryIntegrationTest extends ContextBasedTestWithC
 
     private HsOfficeContactRbacEntity givenSomeTemporaryContact(final String createdByUser) {
         final var random = RandomStringUtils.randomAlphabetic(12);
-        return givenSomeTemporaryContact(createdByUser, () ->
+        return givenSomeTemporaryContact(
+                createdByUser, () ->
                         hsOfficeContact(
                                 "some temporary contact #" + random,
                                 "some-temporary-contact" + random + "@example.com"));

src/test/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionRepositoryIntegrationTest.java

@@ -83,6 +83,7 @@ class HsOfficeCoopAssetsTransactionRepositoryIntegrationTest extends ContextBase
             assertThat(result.returnedValue()).isNotNull().extracting(HsOfficeCoopAssetsTransactionEntity::getUuid).isNotNull();
             assertThatCoopAssetsTransactionIsPersisted(result.returnedValue());
             assertThat(coopAssetsTransactionRepo.count()).isEqualTo(count + 1);
+            assertHasLegacyId(result.returnedValue(), "member_asset_id");
         }
 
         @Test

src/test/java/net/hostsharing/hsadminng/hs/office/coopshares/HsOfficeCoopSharesTransactionRepositoryIntegrationTest.java

@@ -82,6 +82,7 @@ class HsOfficeCoopSharesTransactionRepositoryIntegrationTest extends ContextBase
             assertThat(result.returnedValue()).isNotNull().extracting(HsOfficeCoopSharesTransactionEntity::getUuid).isNotNull();
             assertThatCoopSharesTransactionIsPersisted(result.returnedValue());
             assertThat(coopSharesTransactionRepo.count()).isEqualTo(count + 1);
+            assertHasLegacyId(result.returnedValue(), "member_share_id");
         }
 
         @Test

src/test/java/net/hostsharing/hsadminng/hs/office/partner/HsOfficePartnerRbacRepositoryIntegrationTest.java

@@ -98,6 +98,7 @@ class HsOfficePartnerRbacRepositoryIntegrationTest extends ContextBasedTestWithC
             assertThat(result.returnedValue()).isNotNull().extracting(HsOfficePartnerRbacEntity::getUuid).isNotNull();
             assertThatPartnerIsPersisted(result.returnedValue());
             assertThat(partnerRepo.count()).isEqualTo(count + 1);
+            assertHasLegacyId(result.returnedValue(), "bp_id");
         }
 
         @Test

src/test/java/net/hostsharing/hsadminng/hs/office/sepamandate/HsOfficeSepaMandateRepositoryIntegrationTest.java

@@ -89,6 +89,7 @@ class HsOfficeSepaMandateRepositoryIntegrationTest extends ContextBasedTestWithC
             assertThat(result.returnedValue()).isNotNull().extracting(HsOfficeSepaMandateEntity::getUuid).isNotNull();
             assertThatSepaMandateIsPersisted(result.returnedValue());
             assertThat(sepaMandateRepo.count()).isEqualTo(count + 1);
+            assertHasLegacyId(result.returnedValue(), "sepa_mandate_id");
         }
 
         @Test

src/test/java/net/hostsharing/hsadminng/rbac/context/ContextBasedTest.java

@@ -1,6 +1,7 @@
 package net.hostsharing.hsadminng.rbac.context;
 
 import net.hostsharing.hsadminng.context.Context;
+import net.hostsharing.hsadminng.persistence.BaseEntity;
 import net.hostsharing.hsadminng.rbac.grant.RbacGrantsDiagramService;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.TestInfo;
@@ -9,8 +10,11 @@ import org.springframework.context.annotation.Import;
 
 import jakarta.persistence.EntityManager;
 import jakarta.persistence.PersistenceContext;
+import jakarta.persistence.Table;
 import java.sql.Timestamp;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 @Import(RbacGrantsDiagramService.class)
 public abstract class ContextBasedTest {
 
@@ -59,7 +63,6 @@ public abstract class ContextBasedTest {
                 """).executeUpdate();
     }
 
-
     protected void historicalContext(final Timestamp txTimestamp) {
         // set local cannot be used with query parameters
         em.createNativeQuery("""
@@ -70,4 +73,32 @@ public abstract class ContextBasedTest {
                 """).executeUpdate();
     }
 
+    protected void assertHasLegacyId(final BaseEntity<?> entity, final String legacyIdColumnName) {
+        final var table = entity.getClass().getAnnotation(Table.class);
+        final var legacyIdTable = table.schema() + "." + table.name().replace("_rv", "") + "_legacy_id";
+
+        final var legacyId = getSingleLegacyIdByUuidOrFail(entity, legacyIdTable, legacyIdColumnName);
+        assertThatLegacyIdExistsExactlyOnce(legacyIdColumnName, legacyIdTable, legacyId);
+    }
+
+    private void assertThatLegacyIdExistsExactlyOnce(final String legacyIdColumnName, final String legacyIdTable, final long legacyId) {
+        em.createNativeQuery("SELECT *" +
+                        " FROM " + legacyIdTable +
+                        " WHERE " + legacyIdColumnName + " = '" + legacyId + "'")
+                .getSingleResult(); // fails if there is not exactly one result
+    }
+
+    private long getSingleLegacyIdByUuidOrFail(final BaseEntity<?> entity,
+            final String legacyIdTable,
+            final String legacyIdColumnName) {
+        final var uuid = entity.getUuid();
+        @SuppressWarnings("unchecked") // the auto-formatter should keep this linebreak
+        final var legacyId = (Long) em.createNativeQuery("SELECT " + legacyIdColumnName +
+                        " FROM " + legacyIdTable +
+                        " WHERE uuid = '" + uuid + "'", Long.class)
+                .getSingleResult();
+        assertThat(legacyId).isNotNull();
+        return legacyId;
+    }
+
 }