src/main/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionController.java

@@ -2,8 +2,7 @@ package net.hostsharing.hsadminng.hs.office.coopassets;
 
 import net.hostsharing.hsadminng.context.Context;
 import net.hostsharing.hsadminng.hs.office.generated.api.v1.api.HsOfficeCoopAssetsApi;
-import net.hostsharing.hsadminng.hs.office.generated.api.v1.model.HsOfficeCoopAssetsTransactionInsertResource;
+import net.hostsharing.hsadminng.hs.office.generated.api.v1.model.*;
-import net.hostsharing.hsadminng.hs.office.generated.api.v1.model.HsOfficeCoopAssetsTransactionResource;
 import net.hostsharing.hsadminng.mapper.Mapper;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.format.annotation.DateTimeFormat;
@@ -13,11 +12,13 @@ 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 jakarta.validation.ValidationException;
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
+import java.util.function.BiConsumer;
 
 import static java.lang.String.join;
 import static net.hostsharing.hsadminng.hs.office.generated.api.v1.model.HsOfficeCoopAssetsTransactionTypeResource.*;
@@ -63,8 +64,7 @@ public class HsOfficeCoopAssetsTransactionController implements HsOfficeCoopAsse
         context.define(currentUser, assumedRoles);
         validate(requestBody);
 
-        final var entityToSave = mapper.map(requestBody, HsOfficeCoopAssetsTransactionEntity.class);
+        final var entityToSave = mapper.map(requestBody, HsOfficeCoopAssetsTransactionEntity.class, RESOURCE_TO_ENTITY_POSTMAPPER);
-
         final var saved = coopAssetsTransactionRepo.save(entityToSave);
 
         final var uri =
@@ -131,4 +131,10 @@ public class HsOfficeCoopAssetsTransactionController implements HsOfficeCoopAsse
         }
     }
 
-}
+    final BiConsumer<HsOfficeCoopAssetsTransactionInsertResource, HsOfficeCoopAssetsTransactionEntity> RESOURCE_TO_ENTITY_POSTMAPPER = (resource, entity) -> {
+        if ( resource.getReverseEntryUuid() != null ) {
+            entity.setAdjustedAssetTx(coopAssetsTransactionRepo.findByUuid(resource.getReverseEntryUuid())
+                    .orElseThrow(() -> new EntityNotFoundException("ERROR: [400] reverseEntityUuid %s not found".formatted(resource.getReverseEntryUuid()))));
+        }
+    };
+};

src/main/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionEntity.java

@@ -50,6 +50,7 @@ public class HsOfficeCoopAssetsTransactionEntity implements Stringifyable, RbacO
             .withProp(HsOfficeCoopAssetsTransactionEntity::getAssetValue)
             .withProp(HsOfficeCoopAssetsTransactionEntity::getReference)
             .withProp(HsOfficeCoopAssetsTransactionEntity::getComment)
+            .withProp(at -> ofNullable(at.getAdjustedAssetTx()).map(HsOfficeCoopAssetsTransactionEntity::toShortString).orElse(null))
             .quotedValues(false);
 
     @Id
@@ -93,6 +94,12 @@ public class HsOfficeCoopAssetsTransactionEntity implements Stringifyable, RbacO
     @Column(name = "comment")
     private String comment;
 
+    /**
+     * Optionally, the UUID of the corresponding transaction for an adjustment transaction.
+     */
+    @OneToOne
+    @JoinColumn(name = "adjustedassettxuuid")
+    private HsOfficeCoopAssetsTransactionEntity adjustedAssetTx;
 
     public String getTaggedMemberNumber() {
         return ofNullable(membership).map(HsOfficeMembershipEntity::toShortString).orElse("M-?????");

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

@@ -19,7 +19,13 @@ import org.hibernate.annotations.JoinFormula;
 import org.hibernate.annotations.NotFound;
 import org.hibernate.annotations.NotFoundAction;
 
-import jakarta.persistence.*;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
 import jakarta.persistence.Version;
 import jakarta.validation.constraints.Pattern;
 import java.io.IOException;

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

@@ -16,6 +16,30 @@ components:
 
         HsOfficeCoopAssetsTransaction:
             type: object
+            properties:
+                uuid:
+                    type: string
+                    format: uuid
+                transactionType:
+                    $ref: '#/components/schemas/HsOfficeCoopAssetsTransactionType'
+                assetValue:
+                    type: number
+                    format: currency
+                valueDate:
+                   type: string
+                   format: date
+                reference:
+                    type: string
+                comment:
+                    type: string
+                adjustedAssetTx:
+                    $ref: '#/components/schemas/HsOfficeAdjustedCoopAssetsTransaction'
+
+        HsOfficeAdjustedCoopAssetsTransaction:
+            description:
+                Similar to `HsOfficeCoopAssetsTransaction` but without the `reverseEntry`,
+                otherwise the JSON would be recursive.
+            type: object
             properties:
                 uuid:
                     type: string
@@ -54,6 +78,9 @@ components:
                     maxLength: 48
                 comment:
                     type: string
+                reverseEntryUuid:
+                    type: string
+                    format: uuid
             required:
                 - membershipUuid
                 - transactionType

src/main/resources/db/changelog/5-hs-office/512-coopassets/5120-hs-office-coopassets.sql

@@ -22,12 +22,24 @@ create table if not exists hs_office_coopassetstransaction
     membershipUuid      uuid not null references hs_office_membership(uuid),
     transactionType     HsOfficeCoopAssetsTransactionType not null,
     valueDate           date not null,
-    assetValue      money,
+    assetValue          money not null,
-    reference       varchar(48),
+    reference           varchar(48) not null,
+    adjustedAssetTxUuid uuid unique REFERENCES hs_office_coopassetstransaction(uuid) DEFERRABLE INITIALLY DEFERRED,
     comment             varchar(512)
 );
 --//
 
+
+-- ============================================================================
+--changeset hs-office-coopassets-BUSINESS-RULES:1 endDelimiter:--//
+-- ----------------------------------------------------------------------------
+
+alter table hs_office_coopassetstransaction
+    add constraint hs_office_coopassetstransaction_reverse_entry_missing
+        check ( transactionType = 'ADJUSTMENT' and adjustedAssetTxUuid is not null
+             or transactionType <> 'ADJUSTMENT' and adjustedAssetTxUuid is null);
+--//
+
 -- ============================================================================
 --changeset hs-office-coopassets-ASSET-VALUE-CONSTRAINT:1 endDelimiter:--//
 -- ----------------------------------------------------------------------------
@@ -53,9 +65,9 @@ end; $$;
 alter table hs_office_coopassetstransaction
     add constraint hs_office_coopassets_positive
         check ( checkAssetsByMembershipUuid(membershipUuid, assetValue) );
-
 --//
 
+
 -- ============================================================================
 --changeset hs-office-coopassets-MAIN-TABLE-JOURNAL:1 endDelimiter:--//
 -- ----------------------------------------------------------------------------

src/main/resources/db/changelog/5-hs-office/512-coopassets/5128-hs-office-coopassets-test-data.sql

@@ -16,9 +16,11 @@ create or replace procedure createHsOfficeCoopAssetsTransactionTestData(
 declare
     currentTask             varchar;
     membership              hs_office_membership;
+    lossEntryUuid           uuid;
 begin
     currentTask = 'creating coopAssetsTransaction test-data ' || givenPartnerNumber || givenMemberNumberSuffix;
     execute format('set local hsadminng.currentTask to %L', currentTask);
+    SET CONSTRAINTS ALL DEFERRED;
 
     call defineContext(currentTask);
     select m.uuid
@@ -29,12 +31,14 @@ begin
         into membership;
 
     raise notice 'creating test coopAssetsTransaction: %', givenPartnerNumber || givenMemberNumberSuffix;
+    lossEntryUuid := uuid_generate_v4();
     insert
-        into hs_office_coopassetstransaction(uuid, membershipuuid, transactiontype, valuedate, assetvalue, reference, comment)
+        into hs_office_coopassetstransaction(uuid, membershipuuid, transactiontype, valuedate, assetvalue, reference, comment, adjustedAssetTxUuid)
         values
-            (uuid_generate_v4(), membership.uuid, 'DEPOSIT', '2010-03-15', 320.00, 'ref '||givenPartnerNumber || givenMemberNumberSuffix||'-1', 'initial deposit'),
+            (uuid_generate_v4(),  membership.uuid, 'DEPOSIT',    '2010-03-15',  320.00, 'ref '||givenPartnerNumber || givenMemberNumberSuffix||'-1', 'initial deposit', null),
-            (uuid_generate_v4(), membership.uuid, 'DISBURSAL', '2021-09-01', -128.00, 'ref '||givenPartnerNumber || givenMemberNumberSuffix||'-2', 'partial disbursal'),
+            (uuid_generate_v4(),  membership.uuid, 'DISBURSAL',  '2021-09-01', -128.00, 'ref '||givenPartnerNumber || givenMemberNumberSuffix||'-2', 'partial disbursal', null),
-            (uuid_generate_v4(), membership.uuid, 'ADJUSTMENT', '2022-10-20', 128.00, 'ref '||givenPartnerNumber || givenMemberNumberSuffix||'-3', 'some adjustment');
+            (lossEntryUuid,       membership.uuid, 'DEPOSIT',    '2022-10-20',  128.00, 'ref '||givenPartnerNumber || givenMemberNumberSuffix||'-3', 'some loss', null),
+            (uuid_generate_v4(),  membership.uuid, 'ADJUSTMENT', '2022-10-21', -128.00, 'ref '||givenPartnerNumber || givenMemberNumberSuffix||'-3', 'some adjustment', lossEntryUuid);
 end; $$;
 --//
 

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

@@ -19,9 +19,11 @@ import org.springframework.transaction.annotation.Transactional;
 
 import jakarta.persistence.EntityManager;
 import jakarta.persistence.PersistenceContext;
+import java.math.BigDecimal;
 import java.time.LocalDate;
 import java.util.UUID;
 
+import static net.hostsharing.hsadminng.hs.office.coopassets.HsOfficeCoopAssetsTransactionType.DEPOSIT;
 import static net.hostsharing.test.IsValidUuidMatcher.isUuidValid;
 import static net.hostsharing.test.JsonMatcher.lenientlyEquals;
 import static org.assertj.core.api.Assertions.assertThat;
@@ -69,7 +71,7 @@ class HsOfficeCoopAssetsTransactionControllerAcceptanceTest extends ContextBased
                 .then().log().all().assertThat()
                     .statusCode(200)
                     .contentType("application/json")
-                    .body("", hasSize(9));  // @formatter:on
+                    .body("", hasSize(12));  // @formatter:on
         }
 
         @Test
@@ -104,10 +106,17 @@ class HsOfficeCoopAssetsTransactionControllerAcceptanceTest extends ContextBased
                                 "comment": "partial disbursal"
                             },
                             {
-                                "transactionType": "ADJUSTMENT",
+                                "transactionType": "DEPOSIT",
                                 "assetValue": 128.00,
                                 "valueDate": "2022-10-20",
                                 "reference": "ref 1000202-3",
+                                "comment": "some loss"
+                            },
+                            {
+                                "transactionType": "ADJUSTMENT",
+                                "assetValue": -128.00,
+                                "valueDate": "2022-10-21",
+                                "reference": "ref 1000202-3",
                                 "comment": "some adjustment"
                             }
                         ]
@@ -188,9 +197,77 @@ class HsOfficeCoopAssetsTransactionControllerAcceptanceTest extends ContextBased
                     .extract().header("Location");  // @formatter:on
 
             // finally, the new coopAssetsTransaction can be accessed under the generated UUID
-            final var newUserUuid = UUID.fromString(
+            final var newAssetTxUuid = UUID.fromString(
                     location.substring(location.lastIndexOf('/') + 1));
-            assertThat(newUserUuid).isNotNull();
+            assertThat(newAssetTxUuid).isNotNull();
+        }
+
+        @Test
+        void globalAdmin_canAddCoopAssetsAdjustmentTransaction() {
+
+            context.define("superuser-alex@hostsharing.net");
+            final var givenMembership = membershipRepo.findMembershipByMemberNumber(1000101);
+            final var givenTransaction = jpaAttempt.transacted(() -> {
+                // TODO.impl: introduce something like transactedAsSuperuser / transactedAs("...", ...)
+                context.define("superuser-alex@hostsharing.net");
+                return coopAssetsTransactionRepo.save(HsOfficeCoopAssetsTransactionEntity.builder()
+                                .transactionType(DEPOSIT)
+                                .valueDate(LocalDate.of(2022, 10, 20))
+                                .membership(givenMembership)
+                                .assetValue(new BigDecimal("256.00"))
+                                .reference("test ref")
+                        .build());
+                    }).assertSuccessful().assertNotNull().returnedValue();
+            toCleanup(HsOfficeCoopAssetsTransactionRawEntity.class, givenTransaction.getUuid());
+
+            final var location = RestAssured // @formatter:off
+                    .given()
+                        .header("current-user", "superuser-alex@hostsharing.net")
+                        .contentType(ContentType.JSON)
+                        .body("""
+                                   {
+                                       "membershipUuid": "%s",
+                                       "transactionType": "ADJUSTMENT",
+                                       "assetValue": %s,
+                                       "valueDate": "2022-10-30",
+                                       "reference": "test ref adjustment",
+                                       "comment": "some coop assets adjustment transaction",
+                                       "reverseEntryUuid": "%s"
+                                     }
+                                """.formatted(
+                                    givenMembership.getUuid(),
+                                    givenTransaction.getAssetValue().negate().toString(),
+                                    givenTransaction.getUuid()))
+                        .port(port)
+                    .when()
+                        .post("http://localhost/api/hs/office/coopassetstransactions")
+                    .then().log().all().assertThat()
+                        .statusCode(201)
+                        .contentType(ContentType.JSON)
+                        .body("uuid", isUuidValid())
+                        .body("", lenientlyEquals("""
+                            {
+                                "transactionType": "ADJUSTMENT",
+                                "assetValue": -256.00,
+                                "valueDate": "2022-10-30",
+                                "reference": "test ref adjustment",
+                                "comment": "some coop assets adjustment transaction",
+                                "adjustedAssetTx": {
+                                    "transactionType": "DEPOSIT",
+                                    "assetValue": 256.00,
+                                    "valueDate": "2022-10-20",
+                                    "reference": "test ref"
+                                }
+                            }
+                            """.formatted(givenTransaction.getUuid())))
+                    .header("Location", startsWith("http://localhost"))
+                    .extract().header("Location");  // @formatter:on
+
+            // finally, the new coopAssetsTransaction can be accessed under the generated UUID
+            final var newAssetTxUuid = UUID.fromString(
+                    location.substring(location.lastIndexOf('/') + 1));
+            assertThat(newAssetTxUuid).isNotNull();
+            toCleanup(HsOfficeCoopAssetsTransactionRawEntity.class, newAssetTxUuid);
         }
 
         @Test
@@ -199,7 +276,7 @@ class HsOfficeCoopAssetsTransactionControllerAcceptanceTest extends ContextBased
             context.define("superuser-alex@hostsharing.net");
             final var givenMembership = membershipRepo.findMembershipByMemberNumber(1000101);
 
-            final var location = RestAssured // @formatter:off
+            RestAssured // @formatter:off
                 .given()
                     .header("current-user", "superuser-alex@hostsharing.net")
                     .contentType(ContentType.JSON)

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

@@ -16,14 +16,36 @@ class HsOfficeCoopAssetsTransactionEntityUnitTest {
             .valueDate(LocalDate.parse("2020-01-01"))
             .transactionType(HsOfficeCoopAssetsTransactionType.DEPOSIT)
             .assetValue(new BigDecimal("128.00"))
+            .comment("some comment")
             .build();
+
+
+    final HsOfficeCoopAssetsTransactionEntity givenCoopAssetAdjustmentTransaction = HsOfficeCoopAssetsTransactionEntity.builder()
+            .membership(TEST_MEMBERSHIP)
+            .reference("some-ref")
+            .valueDate(LocalDate.parse("2020-01-15"))
+            .transactionType(HsOfficeCoopAssetsTransactionType.ADJUSTMENT)
+            .assetValue(new BigDecimal("-128.00"))
+            .comment("some comment")
+            .adjustedAssetTx(givenCoopAssetTransaction)
+            .build();
+
     final HsOfficeCoopAssetsTransactionEntity givenEmptyCoopAssetsTransaction = HsOfficeCoopAssetsTransactionEntity.builder().build();
 
     @Test
-    void toStringContainsAlmostAllPropertiesAccount() {
+    void toStringContainsAllNonNullProperties() {
         final var result = givenCoopAssetTransaction.toString();
 
-        assertThat(result).isEqualTo("CoopAssetsTransaction(M-1000101: 2020-01-01, DEPOSIT, 128.00, some-ref)");
+        assertThat(result).isEqualTo("CoopAssetsTransaction(M-1000101: 2020-01-01, DEPOSIT, 128.00, some-ref, some comment)");
+    }
+
+    @Test
+    void toStringWithReverseEntryContainsReverseEntry() {
+        givenCoopAssetTransaction.setAdjustedAssetTx(givenCoopAssetAdjustmentTransaction);
+
+        final var result = givenCoopAssetTransaction.toString();
+
+        assertThat(result).isEqualTo("CoopAssetsTransaction(M-1000101: 2020-01-01, DEPOSIT, 128.00, some-ref, some comment, M-1000101:-128.00)");
     }
 
     @Test

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

@@ -0,0 +1,18 @@
+
+package net.hostsharing.hsadminng.hs.office.coopassets;
+
+import lombok.NoArgsConstructor;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import java.util.UUID;
+
+@Entity
+@Table(name = "hs_office_coopassetstransaction")
+@NoArgsConstructor
+public class HsOfficeCoopAssetsTransactionRawEntity {
+
+    @Id
+    private UUID uuid;
+}

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

@@ -127,7 +127,7 @@ class HsOfficeCoopAssetsTransactionRepositoryIntegrationTest extends ContextBase
     class FindAllCoopAssetsTransactions {
 
         @Test
-        public void globalAdmin_anViewAllCoopAssetsTransactions() {
+        public void globalAdmin_canViewAllCoopAssetsTransactions() {
             // given
             context("superuser-alex@hostsharing.net");
 
@@ -138,19 +138,22 @@ class HsOfficeCoopAssetsTransactionRepositoryIntegrationTest extends ContextBase
                     null);
 
             // then
-            allTheseCoopAssetsTransactionsAreReturned(
+            exactlyTheseCoopAssetsTransactionsAreReturned(
                     result,
                     "CoopAssetsTransaction(M-1000101: 2010-03-15, DEPOSIT, 320.00, ref 1000101-1, initial deposit)",
                     "CoopAssetsTransaction(M-1000101: 2021-09-01, DISBURSAL, -128.00, ref 1000101-2, partial disbursal)",
-                    "CoopAssetsTransaction(M-1000101: 2022-10-20, ADJUSTMENT, 128.00, ref 1000101-3, some adjustment)",
+                    "CoopAssetsTransaction(M-1000101: 2022-10-20, DEPOSIT, 128.00, ref 1000101-3, some loss)",
+                    "CoopAssetsTransaction(M-1000101: 2022-10-21, ADJUSTMENT, -128.00, ref 1000101-3, some adjustment, M-1000101:+128.00)",
 
                     "CoopAssetsTransaction(M-1000202: 2010-03-15, DEPOSIT, 320.00, ref 1000202-1, initial deposit)",
                     "CoopAssetsTransaction(M-1000202: 2021-09-01, DISBURSAL, -128.00, ref 1000202-2, partial disbursal)",
-                    "CoopAssetsTransaction(M-1000202: 2022-10-20, ADJUSTMENT, 128.00, ref 1000202-3, some adjustment)",
+                    "CoopAssetsTransaction(M-1000202: 2022-10-20, DEPOSIT, 128.00, ref 1000202-3, some loss)",
+                    "CoopAssetsTransaction(M-1000202: 2022-10-21, ADJUSTMENT, -128.00, ref 1000202-3, some adjustment, M-1000202:+128.00)",
 
                     "CoopAssetsTransaction(M-1000303: 2010-03-15, DEPOSIT, 320.00, ref 1000303-1, initial deposit)",
                     "CoopAssetsTransaction(M-1000303: 2021-09-01, DISBURSAL, -128.00, ref 1000303-2, partial disbursal)",
-                    "CoopAssetsTransaction(M-1000303: 2022-10-20, ADJUSTMENT, 128.00, ref 1000303-3, some adjustment)");
+                    "CoopAssetsTransaction(M-1000303: 2022-10-20, DEPOSIT, 128.00, ref 1000303-3, some loss)",
+                    "CoopAssetsTransaction(M-1000303: 2022-10-21, ADJUSTMENT, -128.00, ref 1000303-3, some adjustment, M-1000303:+128.00)");
         }
 
         @Test
@@ -166,11 +169,12 @@ class HsOfficeCoopAssetsTransactionRepositoryIntegrationTest extends ContextBase
                     null);
 
             // then
-            allTheseCoopAssetsTransactionsAreReturned(
+            exactlyTheseCoopAssetsTransactionsAreReturned(
                     result,
                     "CoopAssetsTransaction(M-1000202: 2010-03-15, DEPOSIT, 320.00, ref 1000202-1, initial deposit)",
                     "CoopAssetsTransaction(M-1000202: 2021-09-01, DISBURSAL, -128.00, ref 1000202-2, partial disbursal)",
-                    "CoopAssetsTransaction(M-1000202: 2022-10-20, ADJUSTMENT, 128.00, ref 1000202-3, some adjustment)");
+                    "CoopAssetsTransaction(M-1000202: 2022-10-20, DEPOSIT, 128.00, ref 1000202-3, some loss)",
+                    "CoopAssetsTransaction(M-1000202: 2022-10-21, ADJUSTMENT, -128.00, ref 1000202-3, some adjustment, M-1000202:+128.00)");
         }
 
         @Test
@@ -207,7 +211,8 @@ class HsOfficeCoopAssetsTransactionRepositoryIntegrationTest extends ContextBase
                     result,
                     "CoopAssetsTransaction(M-1000101: 2010-03-15, DEPOSIT, 320.00, ref 1000101-1, initial deposit)",
                     "CoopAssetsTransaction(M-1000101: 2021-09-01, DISBURSAL, -128.00, ref 1000101-2, partial disbursal)",
-                    "CoopAssetsTransaction(M-1000101: 2022-10-20, ADJUSTMENT, 128.00, ref 1000101-3, some adjustment)");
+                    "CoopAssetsTransaction(M-1000101: 2022-10-20, DEPOSIT, 128.00, ref 1000101-3, some loss)",
+                    "CoopAssetsTransaction(M-1000101: 2022-10-21, ADJUSTMENT, -128.00, ref 1000101-3, some adjustment, M-1000101:+128.00)");
         }
     }
 

src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeData.java

@@ -387,16 +387,16 @@ public class ImportOfficeData extends ContextBasedTest {
 
         assertThat(toFormattedString(coopAssets)).isEqualToIgnoringWhitespace("""
                 {
-                    30000=CoopAssetsTransaction(M-1001700: 2000-12-06, DEPOSIT, 1280.00, for subscription A),
+                    30000=CoopAssetsTransaction(M-1001700: 2000-12-06, DEPOSIT, 1280.00, legacy data import, for subscription A),
-                    31000=CoopAssetsTransaction(M-1002000: 2000-12-06, DEPOSIT, 128.00, for subscription B),
+                    31000=CoopAssetsTransaction(M-1002000: 2000-12-06, DEPOSIT, 128.00, legacy data import, for subscription B),
-                    32000=CoopAssetsTransaction(M-1001700: 2005-01-10, DEPOSIT, 2560.00, for subscription C),
+                    32000=CoopAssetsTransaction(M-1001700: 2005-01-10, DEPOSIT, 2560.00, legacy data import, for subscription C),
-                    33001=CoopAssetsTransaction(M-1001700: 2005-01-10, TRANSFER, -512.00, for transfer to 10),
+                    33001=CoopAssetsTransaction(M-1001700: 2005-01-10, TRANSFER, -512.00, legacy data import, for transfer to 10),
-                    33002=CoopAssetsTransaction(M-1002000: 2005-01-10, ADOPTION, 512.00, for transfer from 7),
+                    33002=CoopAssetsTransaction(M-1002000: 2005-01-10, ADOPTION, 512.00, legacy data import, for transfer from 7),
-                    34001=CoopAssetsTransaction(M-1002000: 2016-12-31, CLEARING, -8.00, for cancellation D),
+                    34001=CoopAssetsTransaction(M-1002000: 2016-12-31, CLEARING, -8.00, legacy data import, for cancellation D),
-                    34002=CoopAssetsTransaction(M-1002000: 2016-12-31, DISBURSAL, -100.00, for cancellation D),
+                    34002=CoopAssetsTransaction(M-1002000: 2016-12-31, DISBURSAL, -100.00, legacy data import, for cancellation D),
-                    34003=CoopAssetsTransaction(M-1002000: 2016-12-31, LOSS, -20.00, for cancellation D),
+                    34003=CoopAssetsTransaction(M-1002000: 2016-12-31, LOSS, -20.00, legacy data import, for cancellation D),
-                    35001=CoopAssetsTransaction(M-1909000: 2024-01-15, DEPOSIT, 128.00, for subscription E),
+                    35001=CoopAssetsTransaction(M-1909000: 2024-01-15, DEPOSIT, 128.00, legacy data import, for subscription E),
-                    35002=CoopAssetsTransaction(M-1909000: 2024-01-20, ADJUSTMENT, -128.00, chargeback for subscription E)
+                    35002=CoopAssetsTransaction(M-1909000: 2024-01-20, ADJUSTMENT, -128.00, legacy data import, chargeback for subscription E, M-1909000:+128.00)
                 }
                 """);
     }
@@ -849,8 +849,20 @@ public class ImportOfficeData extends ContextBasedTest {
                             .transactionType(assetTypeMapping.get(rec.getString("action")))
                             .assetValue(rec.getBigDecimal("amount"))
                             .comment(rec.getString("comment"))
+                            .reference("legacy data import") // TODO.spec: or use value from comment column?
                             .build();
 
+                    if (assetTransaction.getTransactionType() == HsOfficeCoopAssetsTransactionType.ADJUSTMENT) {
+                        final var negativeValue = assetTransaction.getAssetValue().negate();
+                        final var adjustedAssetTx = coopAssets.values().stream().filter(a ->
+                                a.getTransactionType() != HsOfficeCoopAssetsTransactionType.ADJUSTMENT &&
+                                a.getMembership() == assetTransaction.getMembership() &&
+                                a.getAssetValue().equals(negativeValue))
+                                .findAny()
+                                .orElseThrow(() -> new IllegalStateException("cannot determine asset reverse entry for adjustment " + assetTransaction));
+                        assetTransaction.setAdjustedAssetTx(adjustedAssetTx);
+                    }
+
                     coopAssets.put(rec.getInteger("member_asset_id"), assetTransaction);
                 });
     }

src/test/java/net/hostsharing/hsadminng/hs/office/test/ContextBasedTestWithCleanup.java

@@ -64,8 +64,10 @@ public abstract class ContextBasedTestWithCleanup extends ContextBasedTest {
         return merged;
     }
 
-    public UUID toCleanup(final Class<? extends RbacObject> entityClass, final UUID uuidToCleanup) {
+    // TODO.test: back to `Class<? extends RbacObject> entityClass` but delete on raw table
-        out.println("toCleanup(" + entityClass.getSimpleName() + ", " + uuidToCleanup);
+    // remove HsOfficeCoopAssetsTransactionRawEntity, which is not needed anymore after this change
+    public UUID toCleanup(final Class entityClass, final UUID uuidToCleanup) {
+        out.println("toCleanup(" + entityClass.getSimpleName() + ", " + uuidToCleanup + ")");
         entitiesToCleanup.put(uuidToCleanup, entityClass);
         return uuidToCleanup;
     }
@@ -120,7 +122,7 @@ public abstract class ContextBasedTestWithCleanup extends ContextBasedTest {
         }
 
         if (initialRbacObjects != null){
-            assertNoNewRbackObjectsRolesAndGrantsLeaked();
+            assertNoNewRbacObjectsRolesAndGrantsLeaked();
         }
 
         initialTestDataValidated = false;
@@ -170,7 +172,7 @@ public abstract class ContextBasedTestWithCleanup extends ContextBasedTest {
         out.println(ContextBasedTestWithCleanup.class.getSimpleName() + ".cleanupAndCheckCleanup");
         cleanupTemporaryTestData();
         deleteLeakedRbacObjects();
-        long rbacObjectCount = assertNoNewRbackObjectsRolesAndGrantsLeaked();
+        long rbacObjectCount = assertNoNewRbacObjectsRolesAndGrantsLeaked();
 
         out.println("TOTAL OBJECT COUNT (after): " + rbacObjectCount);
     }
@@ -180,7 +182,7 @@ public abstract class ContextBasedTestWithCleanup extends ContextBasedTest {
             final var caughtException = jpaAttempt.transacted(() -> {
                 context.define("superuser-alex@hostsharing.net", null);
                 em.remove(em.getReference(entityClass, uuid));
-                out.println("DELETING temporary " + entityClass.getSimpleName() + "#" + uuid + " successful");
+                out.println("DELETING temporary " + entityClass.getSimpleName() + "#" + uuid + " generated");
             }).caughtException();
             if (caughtException != null) {
                 out.println("DELETING temporary " + entityClass.getSimpleName() + "#" + uuid + " failed: " + caughtException);
@@ -188,7 +190,7 @@ public abstract class ContextBasedTestWithCleanup extends ContextBasedTest {
         });
     }
 
-    private long assertNoNewRbackObjectsRolesAndGrantsLeaked() {
+    private long assertNoNewRbacObjectsRolesAndGrantsLeaked() {
         return jpaAttempt.transacted(() -> {
             context.define("superuser-alex@hostsharing.net");
             assertEqual(initialRbacObjects, allRbacObjects());