merging current DTO during deserialization

src/main/java/org/hostsharing/hsadminng/security/SecurityUtils.java

@@ -80,7 +80,6 @@ public final class SecurityUtils {
     }
 
     public static Role getLoginUserRoleFor(final Class<?> onDtoClass, final Long onId) {
-
         final Role highestRole = userRoleAssignments.stream().
             map(ura ->
                 matches(onDtoClass, onId, ura)
@@ -91,7 +90,7 @@ public final class SecurityUtils {
     }
 
     private static boolean matches(Class<?> onDtoClass, Long onId, UserRoleAssignment ura) {
-        final boolean matches =  (ura.onClass == null || onDtoClass == ura.onClass) && (ura.onId == null || onId.equals(ura.onId) );
+        final boolean matches =  (ura.onClass == null || onDtoClass == ura.onClass) && (ura.onId == null || ura.onId.equals(onId));
         return matches;
     }
 

src/main/java/org/hostsharing/hsadminng/service/IdToDtoResolver.java

@@ -3,5 +3,5 @@ package org.hostsharing.hsadminng.service;
 import java.util.Optional;
 
 public interface IdToDtoResolver<T> {
-    Optional<? extends T> findOne(Long id);
+    Optional<T> findOne(Long id);
 }

src/main/java/org/hostsharing/hsadminng/service/ShareService.java

@@ -19,7 +19,7 @@ import java.util.Optional;
  */
 @Service
 @Transactional
-public class ShareService {
+public class ShareService implements IdToDtoResolver<ShareDTO> {
 
     private final Logger log = LoggerFactory.getLogger(ShareService.class);
 

src/main/java/org/hostsharing/hsadminng/service/accessfilter/JSonAccessFilter.java

@@ -4,14 +4,17 @@ import org.hostsharing.hsadminng.security.SecurityUtils;
 import org.hostsharing.hsadminng.service.IdToDtoResolver;
 import org.hostsharing.hsadminng.service.dto.MembershipDTO;
 import org.hostsharing.hsadminng.service.util.ReflectionUtil;
+import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
+import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.context.ApplicationContext;
 
-import javax.persistence.EntityNotFoundException;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
 
+import static com.google.common.base.Verify.verify;
+
 abstract class JSonAccessFilter<T> {
     private final ApplicationContext ctx;
     final T dto;
@@ -72,7 +75,7 @@ abstract class JSonAccessFilter<T> {
         final Long parentId = (Long) ReflectionUtil.getValue(dto, parentIdField);
         final Role roleOnParent = SecurityUtils.getLoginUserRoleFor(parentDtoClass, parentId);
 
-        final Object parentEntity = findParentDto(parentDtoLoader, parentId);
+        final Object parentEntity = loadDto(parentDtoLoader, parentId);
         return Role.broadest(baseRole, getLoginUserRoleOnAncestorOfDtoClassIfHigher(roleOnParent, parentEntity));
     }
 
@@ -91,9 +94,16 @@ abstract class JSonAccessFilter<T> {
     }
 
     @SuppressWarnings("unchecked")
-    private Object findParentDto(final Class<? extends IdToDtoResolver> parentDtoLoader, final Long parentId) {
+    protected Object loadDto(final Class<? extends IdToDtoResolver> resolverClass, final Long id) {
-        final IdToDtoResolver<MembershipDTO> idToDtoResolver = ctx.getAutowireCapableBeanFactory().createBean(parentDtoLoader);
+        verify(id != null, "id must not be null");
-        return idToDtoResolver.findOne(parentId).orElseThrow(() -> new EntityNotFoundException("Can't resolve parent entity ID " + parentId + " via " + parentDtoLoader));
+
+        final AutowireCapableBeanFactory beanFactory = ctx.getAutowireCapableBeanFactory();
+        verify(beanFactory != null, "no bean factory found, probably missing mock configuration for ApplicationContext, e.g. given(...)");
+
+        final IdToDtoResolver<MembershipDTO> resolverBean = beanFactory.createBean(resolverClass);
+        verify(resolverBean != null, "no " + resolverClass.getSimpleName() + " bean created, probably missing mock configuration for AutowireCapableBeanFactory, e.g. given(...)");
+
+        return resolverBean.findOne(id).orElseThrow(() -> new BadRequestAlertException("Can't resolve entity ID " + id + " via " + resolverClass, resolverClass.getSimpleName(), "isNotFound"));
     }
 
     private static Field determineFieldWithAnnotation(final Class<?> dtoClass, final Class<? extends Annotation> idAnnotationClass) {

src/main/java/org/hostsharing/hsadminng/service/accessfilter/JSonDeserializerWithAccessFilter.java

@@ -3,15 +3,18 @@ package org.hostsharing.hsadminng.service.accessfilter;
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.TreeNode;
 import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.IntNode;
 import com.fasterxml.jackson.databind.node.LongNode;
 import com.fasterxml.jackson.databind.node.TextNode;
 import org.apache.commons.lang3.NotImplementedException;
+import org.apache.commons.lang3.ObjectUtils;
 import org.hostsharing.hsadminng.service.util.ReflectionUtil;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
 import org.springframework.context.ApplicationContext;
 
 import java.lang.reflect.Field;
+import java.time.LocalDate;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -20,7 +23,7 @@ import static org.hostsharing.hsadminng.service.util.ReflectionUtil.unchecked;
 public class JSonDeserializerWithAccessFilter<T> extends JSonAccessFilter<T> {
 
     private final TreeNode treeNode;
-    private final Set<Field> modifiedFields = new HashSet<>();
+    private final Set<Field> writtenFields = new HashSet<>();
 
     public JSonDeserializerWithAccessFilter(final ApplicationContext ctx, final JsonParser jsonParser, final DeserializationContext deserializationContext, Class<T> dtoClass) {
         super(ctx, unchecked(dtoClass::newInstance));
@@ -30,7 +33,9 @@ public class JSonDeserializerWithAccessFilter<T> extends JSonAccessFilter<T> {
     // Jackson deserializes from the JsonParser, thus no input parameter needed.
     public T deserialize() {
         deserializeValues();
-        checkAccessToModifiedFields();
+        final T currentDto = loadCurrentDto(getId());
+        overwriteUnmodifiedFieldsWithCurrentValues(currentDto);
+        checkAccessToWrittenFields(currentDto);
         return dto;
     }
 
@@ -38,25 +43,52 @@ public class JSonDeserializerWithAccessFilter<T> extends JSonAccessFilter<T> {
         treeNode.fieldNames().forEachRemaining(fieldName -> {
             try {
                 final Field field = dto.getClass().getDeclaredField(fieldName);
-                final Object value = readValue(treeNode, field);
+                final Object newValue = readValue(treeNode, field);
-                writeValue(dto, field, value);
+                writeValue(dto, field, newValue);
-                markAsModified(field);
             } catch (NoSuchFieldException e) {
                 throw new RuntimeException("setting field " + fieldName + " failed", e);
             }
         });
     }
 
+    @SuppressWarnings("unchecked")
+    private T loadCurrentDto(final Long id) {
+        if (id != null) {
+            return (T) loadDto(selfIdField.getAnnotation(SelfId.class).resolver(), id);
+        }
+        return null;
+    }
+
+    private void overwriteUnmodifiedFieldsWithCurrentValues(final Object currentDto) {
+        if ( currentDto == null ) {
+            return;
+        }
+        for (Field field : currentDto.getClass().getDeclaredFields()) {
+            if (field.isAnnotationPresent(AccessFor.class) && !writtenFields.contains(field)) {
+                final Object value = ReflectionUtil.getValue(currentDto, field);
+                ReflectionUtil.setValue(dto, field, value);
+            }
+
+        }
+    }
+
     private Object readValue(final TreeNode treeNode, final Field field) {
-        final TreeNode fieldNode = treeNode.get(field.getName());
+        return readValue(treeNode, field.getName(), field.getType());
+
+    }
+
+    private Object readValue(final TreeNode treeNode, final String fieldName, final Class<?> fieldClass) {
+        final TreeNode fieldNode = treeNode.get(fieldName);
         if (fieldNode instanceof TextNode) {
             return ((TextNode) fieldNode).asText();
         } else if (fieldNode instanceof IntNode) {
             return ((IntNode) fieldNode).asInt();
         } else if (fieldNode instanceof LongNode) {
             return ((LongNode) fieldNode).asLong();
+        } else if (fieldNode instanceof ArrayNode && LocalDate.class.isAssignableFrom(fieldClass)) {
+            return LocalDate.of(((ArrayNode) fieldNode).get(0).asInt(), ((ArrayNode) fieldNode).get(1).asInt(), ((ArrayNode) fieldNode).get(2).asInt());
         } else {
-            throw new NotImplementedException("property type not yet implemented: " + field);
+            throw new NotImplementedException("property type not yet implemented: " + fieldNode + " -> " + fieldName + ": " + fieldClass);
         }
     }
 
@@ -67,30 +99,36 @@ public class JSonDeserializerWithAccessFilter<T> extends JSonAccessFilter<T> {
             ReflectionUtil.setValue(dto, field, ((Number) value).intValue());
         } else if (Long.class.isAssignableFrom(field.getType()) || long.class.isAssignableFrom(field.getType())) {
             ReflectionUtil.setValue(dto, field, ((Number) value).longValue());
+        } else if (field.getType().isEnum()) {
+            ReflectionUtil.setValue(dto, field, Enum.valueOf((Class<Enum>) field.getType(), value.toString()));
+        } else if (LocalDate.class.isAssignableFrom(field.getType())) {
+            ReflectionUtil.setValue(dto, field, LocalDate.parse(value.toString()));
         } else {
             throw new NotImplementedException("property type not yet implemented: " + field);
         }
+        writtenFields.add(field);
     }
 
-    private void markAsModified(final Field field) {
+    private void checkAccessToWrittenFields(final T currentDto) {
-        modifiedFields.add(field);
+        writtenFields.forEach(field -> {
-    }
+            if (!field.equals(selfIdField)) {
-
+                final Role role = getLoginUserRole();
-    private void checkAccessToModifiedFields() {
-        modifiedFields.forEach(field -> {
-            if ( !field.equals(selfIdField) ) {
                 if (getId() == null) {
-                    if (!getLoginUserRole().isAllowedToInit(field)) {
+                    if (!role.isAllowedToInit(field)) {
-                        if ( !field.equals(parentIdField)) {
+                        if (!field.equals(parentIdField)) {
-                            throw new BadRequestAlertException("Initialization of field prohibited for current user", toDisplay(field), "initializationProhibited");
+                            throw new BadRequestAlertException("Initialization of field " + toDisplay(field) + " prohibited for current user role " + role, toDisplay(field), "initializationProhibited");
                         } else {
-                            throw new BadRequestAlertException("Referencing field prohibited for current user", toDisplay(field), "referencingProhibited");
+                            throw new BadRequestAlertException("Referencing field " + toDisplay(field) + " prohibited for current user role " + role, toDisplay(field), "referencingProhibited");
                         }
                     }
-                } else if (!getLoginUserRole().isAllowedToUpdate(field)) {
+                } else if (isUpdate(field, dto, currentDto) && !getLoginUserRole().isAllowedToUpdate(field)){
-                        throw new BadRequestAlertException("Update of field prohibited for current user", toDisplay(field), "updateProhibited");
+                    throw new BadRequestAlertException("Update of field " + toDisplay(field) + " prohibited for current user role " + role, toDisplay(field), "updateProhibited");
                 }
             }
         });
     }
+
+    private boolean isUpdate(final Field field, final T dto, T currentDto) {
+        return ObjectUtils.notEqual(ReflectionUtil.getValue(dto, field), ReflectionUtil.getValue(currentDto, field));
+    }
 }

src/main/java/org/hostsharing/hsadminng/service/accessfilter/JSonSerializerWithAccessFilter.java

@@ -10,7 +10,7 @@ import java.io.IOException;
 import java.lang.reflect.Field;
 import java.time.LocalDate;
 
-public class JSonSerializerWithAccessFilter <T> extends JSonAccessFilter<T> {
+public class JSonSerializerWithAccessFilter<T> extends JSonAccessFilter<T> {
     private final JsonGenerator jsonGenerator;
     private final SerializerProvider serializerProvider;
 
@@ -27,32 +27,35 @@ public class JSonSerializerWithAccessFilter <T> extends JSonAccessFilter<T> {
     public void serialize() throws IOException {
 
         jsonGenerator.writeStartObject();
-        for (Field prop : dto.getClass().getDeclaredFields()) {
+        for (Field field : dto.getClass().getDeclaredFields()) {
-            toJSon(dto, jsonGenerator, prop);
+            toJSon(dto, jsonGenerator, field);
         }
         jsonGenerator.writeEndObject();
     }
 
-    private void toJSon(final Object dto, final JsonGenerator jsonGenerator, final Field prop) throws IOException {
+    private void toJSon(final Object dto, final JsonGenerator jsonGenerator, final Field field) throws IOException {
-        if (getLoginUserRole().isAllowedToRead(prop)) {
+        if (getLoginUserRole().isAllowedToRead(field)) {
-            final String fieldName = prop.getName();
+            final String fieldName = field.getName();
             // TODO: maybe replace by serializerProvider.defaultSerialize...()?
             //  But that makes it difficult for parallel structure with the deserializer (clumsy API).
             //  Alternatively extract the supported types to subclasses of some abstract class and
             //  here as well as in the deserializer just access the matching implementation through a map.
             //  Or even completely switch from Jackson to GSON?
-            if (Integer.class.isAssignableFrom(prop.getType()) || int.class.isAssignableFrom(prop.getType())) {
+            final Object fieldValue = get(dto, field);
-                jsonGenerator.writeNumberField(fieldName, (int) get(dto, prop));
+            if (fieldValue == null) {
-            } else if (Long.class.isAssignableFrom(prop.getType()) || long.class.isAssignableFrom(prop.getType())) {
+                jsonGenerator.writeNullField(fieldName);
-                jsonGenerator.writeNumberField(fieldName, (long) get(dto, prop));
+            } else if (Integer.class.isAssignableFrom(field.getType()) || int.class.isAssignableFrom(field.getType())) {
-            } else if (LocalDate.class.isAssignableFrom(prop.getType())) {
+                jsonGenerator.writeNumberField(fieldName, (int) fieldValue);
-                jsonGenerator.writeStringField(fieldName, get(dto, prop).toString()); // TODO proper format
+            } else if (Long.class.isAssignableFrom(field.getType()) || long.class.isAssignableFrom(field.getType())) {
-            } else if (Enum.class.isAssignableFrom(prop.getType())) {
+                jsonGenerator.writeNumberField(fieldName, (long) fieldValue);
-                jsonGenerator.writeStringField(fieldName, get(dto, prop).toString()); // TODO proper representation
+            } else if (LocalDate.class.isAssignableFrom(field.getType())) {
-            } else if (String.class.isAssignableFrom(prop.getType())) {
+                jsonGenerator.writeStringField(fieldName, fieldValue.toString()); // TODO proper format
-                jsonGenerator.writeStringField(fieldName, (String) get(dto, prop));
+            } else if (Enum.class.isAssignableFrom(field.getType())) {
+                jsonGenerator.writeStringField(fieldName, fieldValue.toString()); // TODO proper representation
+            } else if (String.class.isAssignableFrom(field.getType())) {
+                jsonGenerator.writeStringField(fieldName, (String) fieldValue);
             } else {
-                throw new NotImplementedException("property type not yet implemented: " + prop);
+                throw new NotImplementedException("property type not yet implemented: " + field);
             }
         }
     }

src/main/java/org/hostsharing/hsadminng/service/accessfilter/Role.java

@@ -33,17 +33,12 @@ public enum Role {
      */
     SUPPORTER(3),
 
-    /**
-     * This meta-role is to specify that any kind of customer contact can get access to the resource.
-     */
-    ANY_CUSTOMER_CONTACT(20),
-
     /**
      * This role is for contractual contacts of a customer, like a director of the company.
      * Who has this role, has the broadest access to all resources which belong to this customer.
      * Everything which relates to the contract with the customer, needs this role.
      */
-    CONTRACTUAL_CONTACT(21),
+    CONTRACTUAL_CONTACT(20),
 
     /**
      * This role is for financial contacts of a customer, e.g. for accessing billing data.
@@ -64,6 +59,11 @@ public enum Role {
     TECHNICAL_CONTACT(22),
 
 
+    /**
+     * This meta-role is to specify that any kind of customer contact can get access to the resource.
+     */
+    ANY_CUSTOMER_CONTACT(29),
+
     /**
      * Any user which belongs to a customer has at least this role.
      */

src/main/java/org/hostsharing/hsadminng/service/accessfilter/SelfId.java

@@ -1,5 +1,7 @@
 package org.hostsharing.hsadminng.service.accessfilter;
 
+import org.hostsharing.hsadminng.service.IdToDtoResolver;
+
 import java.lang.annotation.*;
 
 /**
@@ -14,4 +16,6 @@ import java.lang.annotation.*;
 @Target({ElementType.FIELD})
 @Retention(RetentionPolicy.RUNTIME)
 public @interface SelfId {
+    /// The service which can load the referenced DTO.
+    Class<? extends IdToDtoResolver<?>> resolver();
 }

src/main/java/org/hostsharing/hsadminng/service/dto/AssetDTO.java

@@ -34,7 +34,7 @@ public class AssetDTO implements Serializable {
 
     private Long membershipId;
 
-    private String membershipAdmissionDocumentDate;
+    private String membershipDisplayReference;
 
     public Long getId() {
         return id;
@@ -92,12 +92,12 @@ public class AssetDTO implements Serializable {
         this.membershipId = membershipId;
     }
 
-    public String getMembershipAdmissionDocumentDate() {
+    public String getMembershipDisplayReference() {
-        return membershipAdmissionDocumentDate;
+        return membershipDisplayReference;
     }
 
-    public void setMembershipAdmissionDocumentDate(String membershipAdmissionDocumentDate) {
+    public void setMembershipDisplayReference(String membershipDisplayReference) {
-        this.membershipAdmissionDocumentDate = membershipAdmissionDocumentDate;
+        this.membershipDisplayReference = membershipDisplayReference;
     }
 
     @Override
@@ -131,7 +131,7 @@ public class AssetDTO implements Serializable {
             ", amount=" + getAmount() +
             ", remark='" + getRemark() + "'" +
             ", membership=" + getMembershipId() +
-            ", membership='" + getMembershipAdmissionDocumentDate() + "'" +
+            ", membership='" + getMembershipDisplayReference() + "'" +
             "}";
     }
 }

src/main/java/org/hostsharing/hsadminng/service/dto/CustomerDTO.java

@@ -8,6 +8,7 @@ import com.fasterxml.jackson.databind.JsonSerializer;
 import com.fasterxml.jackson.databind.SerializerProvider;
 import org.hostsharing.hsadminng.domain.enumeration.CustomerKind;
 import org.hostsharing.hsadminng.domain.enumeration.VatRegion;
+import org.hostsharing.hsadminng.service.CustomerService;
 import org.hostsharing.hsadminng.service.accessfilter.*;
 import org.springframework.boot.jackson.JsonComponent;
 import org.springframework.context.ApplicationContext;
@@ -21,9 +22,9 @@ import java.util.Objects;
 /**
  * A DTO for the Customer entity.
  */
-public class CustomerDTO implements Serializable {
+public class CustomerDTO extends FluentBuilder<CustomerDTO> implements Serializable {
 
-    @SelfId
+    @SelfId(resolver = CustomerService.class)
     @AccessFor(read = Role.ANY_CUSTOMER_USER)
     private Long id;
 
@@ -41,31 +42,38 @@ public class CustomerDTO implements Serializable {
 
     @NotNull
     @Size(max = 80)
-    @AccessFor(init = Role.ADMIN, read = Role.ANY_CUSTOMER_USER)
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.ANY_CUSTOMER_USER)
     private String name;
 
     @NotNull
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.CONTRACTUAL_CONTACT)
     private CustomerKind kind;
 
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private LocalDate birthDate;
 
     @Size(max = 80)
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private String birthPlace;
 
     @Size(max = 80)
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private String registrationCourt;
 
     @Size(max = 80)
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private String registrationNumber;
 
     @NotNull
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private VatRegion vatRegion;
 
     @Size(max = 40)
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private String vatNumber;
 
     @Size(max = 80)
-    @AccessFor(init = Role.ADMIN, update = Role.CONTRACTUAL_CONTACT, read = Role.ANY_CUSTOMER_CONTACT)
+    @AccessFor(init = Role.ADMIN, update = Role.CONTRACTUAL_CONTACT, read = Role.CONTRACTUAL_CONTACT)
     private String contractualSalutation;
 
     @NotNull
@@ -78,7 +86,7 @@ public class CustomerDTO implements Serializable {
     private String billingSalutation;
 
     @Size(max = 400)
-    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = Role.CONTRACTUAL_CONTACT)
+    @AccessFor(init = Role.ADMIN, update = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private String billingAddress;
 
     @Size(max = 160)

src/main/java/org/hostsharing/hsadminng/service/dto/FluentBuilder.java

@@ -0,0 +1,15 @@
+package org.hostsharing.hsadminng.service.dto;
+
+import java.util.function.Consumer;
+
+public class FluentBuilder<T> {
+
+    @SuppressWarnings("unchecked")
+    public T with(
+        Consumer<T> builderFunction) {
+        builderFunction.accept((T) this);
+        return (T) this;
+    }
+
+
+}

src/main/java/org/hostsharing/hsadminng/service/dto/MembershipDTO.java

@@ -1,6 +1,7 @@
 package org.hostsharing.hsadminng.service.dto;
 
 import org.hostsharing.hsadminng.service.CustomerService;
+import org.hostsharing.hsadminng.service.MembershipService;
 import org.hostsharing.hsadminng.service.accessfilter.AccessFor;
 import org.hostsharing.hsadminng.service.accessfilter.ParentId;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
@@ -11,14 +12,13 @@ import javax.validation.constraints.Size;
 import java.io.Serializable;
 import java.time.LocalDate;
 import java.util.Objects;
-import java.util.function.Consumer;
 
 /**
  * A DTO for the Membership entity.
  */
-public class MembershipDTO implements Serializable {
+public class MembershipDTO extends FluentBuilder<MembershipDTO> implements Serializable {
 
-    @SelfId
+    @SelfId(resolver = MembershipService.class)
     @AccessFor(read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private Long id;
 
@@ -47,12 +47,6 @@ public class MembershipDTO implements Serializable {
     @AccessFor(init = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private String customerPrefix;
 
-    public MembershipDTO with(
-        Consumer<MembershipDTO> builderFunction) {
-        builderFunction.accept(this);
-        return this;
-    }
-
     public Long getId() {
         return id;
     }

src/main/java/org/hostsharing/hsadminng/service/dto/ShareDTO.java

@@ -1,5 +1,13 @@
 package org.hostsharing.hsadminng.service.dto;
 
+import org.hostsharing.hsadminng.domain.enumeration.ShareAction;
+import org.hostsharing.hsadminng.service.MembershipService;
+import org.hostsharing.hsadminng.service.ShareService;
+import org.hostsharing.hsadminng.service.accessfilter.AccessFor;
+import org.hostsharing.hsadminng.service.accessfilter.ParentId;
+import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.accessfilter.SelfId;
+
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
 import java.io.Serializable;
@@ -11,18 +19,16 @@ import java.util.Objects;
  */
 public class ShareDTO implements Serializable {
 
-    @SelfId
+    @SelfId(resolver = ShareService.class)
     @AccessFor(read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private Long id;
 
     @NotNull
     @AccessFor(init = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
-    @AccessFor(init = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private LocalDate documentDate;
 
     @NotNull
     @AccessFor(init = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
-    @AccessFor(init = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private LocalDate valueDate;
 
     @NotNull
@@ -41,8 +47,8 @@ public class ShareDTO implements Serializable {
     @AccessFor(init = Role.ADMIN, read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
     private Long membershipId;
 
-    @AccessFor(init = Role.ADMIN, read = Role.SUPPORTER)
+    @AccessFor(read = {Role.CONTRACTUAL_CONTACT, Role.FINANCIAL_CONTACT})
-    private String membershipAdmissionDocumentDate;
+    private String membershipDisplayReference;
 
     public Long getId() {
         return id;
@@ -100,12 +106,12 @@ public class ShareDTO implements Serializable {
         this.membershipId = membershipId;
     }
 
-    public String getMembershipAdmissionDocumentDate() {
+    public String getMembershipDisplayReference() {
-        return membershipAdmissionDocumentDate;
+        return membershipDisplayReference;
     }
 
-    public void setMembershipAdmissionDocumentDate(String membershipAdmissionDocumentDate) {
+    public void setMembershipDisplayReference(String membershipDisplayReference) {
-        this.membershipAdmissionDocumentDate = membershipAdmissionDocumentDate;
+        this.membershipDisplayReference = membershipDisplayReference;
     }
 
     @Override
@@ -139,7 +145,7 @@ public class ShareDTO implements Serializable {
             ", quantity=" + getQuantity() +
             ", remark='" + getRemark() + "'" +
             ", membership=" + getMembershipId() +
-            ", membership='" + getMembershipAdmissionDocumentDate() + "'" +
+            ", membership='" + getMembershipDisplayReference() + "'" +
             "}";
     }
 }

src/main/java/org/hostsharing/hsadminng/service/mapper/AssetMapper.java

@@ -12,7 +12,7 @@ import org.mapstruct.Mapping;
 public interface AssetMapper extends EntityMapper<AssetDTO, Asset> {
 
     @Mapping(source = "membership.id", target = "membershipId")
-    @Mapping(source = "membership.admissionDocumentDate", target = "membershipAdmissionDocumentDate")
+    @Mapping(source = "membership.admissionDocumentDate", target = "membershipDisplayReference")
     AssetDTO toDto(Asset asset);
 
     @Mapping(source = "membershipId", target = "membership")

src/main/java/org/hostsharing/hsadminng/service/mapper/ShareMapper.java

@@ -12,7 +12,7 @@ import org.mapstruct.Mapping;
 public interface ShareMapper extends EntityMapper<ShareDTO, Share> {
 
     @Mapping(source = "membership.id", target = "membershipId")
-    @Mapping(source = "membership.admissionDocumentDate", target = "membershipAdmissionDocumentDate")
+    @Mapping(source = "membership.admissionDocumentDate", target = "membershipDisplayReference")
     ShareDTO toDto(Share share);
 
     @Mapping(source = "membershipId", target = "membership")

src/main/java/org/hostsharing/hsadminng/web/rest/CustomerResource.java

@@ -1,25 +1,24 @@
 package org.hostsharing.hsadminng.web.rest;
+
+import io.github.jhipster.web.util.ResponseUtil;
+import org.hostsharing.hsadminng.service.CustomerQueryService;
 import org.hostsharing.hsadminng.service.CustomerService;
+import org.hostsharing.hsadminng.service.dto.CustomerCriteria;
+import org.hostsharing.hsadminng.service.dto.CustomerDTO;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
 import org.hostsharing.hsadminng.web.rest.util.HeaderUtil;
 import org.hostsharing.hsadminng.web.rest.util.PaginationUtil;
-import org.hostsharing.hsadminng.service.dto.CustomerDTO;
-import org.hostsharing.hsadminng.service.dto.CustomerCriteria;
-import org.hostsharing.hsadminng.service.CustomerQueryService;
-import io.github.jhipster.web.util.ResponseUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import javax.validation.Valid;
 import java.net.URI;
 import java.net.URISyntaxException;
-
 import java.util.List;
 import java.util.Optional;
 
@@ -72,7 +71,7 @@ public class CustomerResource {
      * @throws URISyntaxException if the Location URI syntax is incorrect
      */
     @PutMapping("/customers")
-    public ResponseEntity<CustomerDTO> updateCustomer(@Valid @RequestBody CustomerDTO customerDTO) throws URISyntaxException {
+    public ResponseEntity<CustomerDTO> updateCustomer(@RequestBody CustomerDTO customerDTO) {
         log.debug("REST request to update Customer : {}", customerDTO);
         if (customerDTO.getId() == null) {
             throw new BadRequestAlertException("Invalid id", ENTITY_NAME, "idnull");

src/main/webapp/app/entities/asset/asset-detail.component.html

@@ -28,7 +28,7 @@
                 <dt><span jhiTranslate="hsadminNgApp.asset.membership">Membership</span></dt>
                 <dd>
                     <div *ngIf="asset.membershipId">
-                        <a [routerLink]="['/membership', asset.membershipId, 'view']">{{asset.membershipAdmissionDocumentDate}}</a>
+                        <a [routerLink]="['/membership', asset.membershipId, 'view']">{{asset.membershipDisplayReference}}</a>
                     </div>
                 </dd>
             </dl>

src/main/webapp/app/entities/asset/asset.component.html

@@ -20,7 +20,7 @@
             <th jhiSortBy="action"><span jhiTranslate="hsadminNgApp.asset.action">Action</span> <fa-icon [icon]="'sort'"></fa-icon></th>
             <th jhiSortBy="amount"><span jhiTranslate="hsadminNgApp.asset.amount">Amount</span> <fa-icon [icon]="'sort'"></fa-icon></th>
             <th jhiSortBy="remark"><span jhiTranslate="hsadminNgApp.asset.remark">Remark</span> <fa-icon [icon]="'sort'"></fa-icon></th>
-            <th jhiSortBy="membershipAdmissionDocumentDate"><span jhiTranslate="hsadminNgApp.asset.membership">Membership</span> <fa-icon [icon]="'sort'"></fa-icon></th>
+            <th jhiSortBy="membershipDisplayReference"><span jhiTranslate="hsadminNgApp.asset.membership">Membership</span> <fa-icon [icon]="'sort'"></fa-icon></th>
             <th></th>
             </tr>
             </thead>
@@ -34,7 +34,7 @@
                 <td>{{asset.remark}}</td>
                 <td>
                     <div *ngIf="asset.membershipId">
-                        <a [routerLink]="['../membership', asset.membershipId , 'view' ]" >{{asset.membershipAdmissionDocumentDate}}</a>
+                        <a [routerLink]="['../membership', asset.membershipId , 'view' ]" >{{asset.membershipDisplayReference}}</a>
                     </div>
                 </td>
                 <td class="text-right">

src/main/webapp/app/entities/share/share-detail.component.html

@@ -28,7 +28,7 @@
                 <dt><span jhiTranslate="hsadminNgApp.share.membership">Membership</span></dt>
                 <dd>
                     <div *ngIf="share.membershipId">
-                        <a [routerLink]="['/membership', share.membershipId, 'view']">{{share.membershipAdmissionDocumentDate}}</a>
+                        <a [routerLink]="['/membership', share.membershipId, 'view']">{{share.membershipDisplayReference}}</a>
                     </div>
                 </dd>
             </dl>

src/main/webapp/app/entities/share/share.component.html

@@ -20,7 +20,7 @@
             <th jhiSortBy="action"><span jhiTranslate="hsadminNgApp.share.action">Action</span> <fa-icon [icon]="'sort'"></fa-icon></th>
             <th jhiSortBy="quantity"><span jhiTranslate="hsadminNgApp.share.quantity">Quantity</span> <fa-icon [icon]="'sort'"></fa-icon></th>
             <th jhiSortBy="remark"><span jhiTranslate="hsadminNgApp.share.remark">Remark</span> <fa-icon [icon]="'sort'"></fa-icon></th>
-            <th jhiSortBy="membershipAdmissionDocumentDate"><span jhiTranslate="hsadminNgApp.share.membership">Membership</span> <fa-icon [icon]="'sort'"></fa-icon></th>
+            <th jhiSortBy="membershipDisplayReference"><span jhiTranslate="hsadminNgApp.share.membership">Membership</span> <fa-icon [icon]="'sort'"></fa-icon></th>
             <th></th>
             </tr>
             </thead>
@@ -34,7 +34,7 @@
                 <td>{{share.remark}}</td>
                 <td>
                     <div *ngIf="share.membershipId">
-                        <a [routerLink]="['../membership', share.membershipId , 'view' ]" >{{share.membershipAdmissionDocumentDate}}</a>
+                        <a [routerLink]="['../membership', share.membershipId , 'view' ]" >{{share.membershipDisplayReference}}</a>
                     </div>
                 </td>
                 <td class="text-right">

src/main/webapp/app/shared/model/asset.model.ts

@@ -16,7 +16,7 @@ export interface IAsset {
     action?: AssetAction;
     amount?: number;
     remark?: string;
-    membershipAdmissionDocumentDate?: string;
+    membershipDisplayReference?: string;
     membershipId?: number;
 }
 
@@ -28,7 +28,7 @@ export class Asset implements IAsset {
         public action?: AssetAction,
         public amount?: number,
         public remark?: string,
-        public membershipAdmissionDocumentDate?: string,
+        public membershipDisplayReference?: string,
         public membershipId?: number
     ) {}
 }

src/main/webapp/app/shared/model/share.model.ts

@@ -12,7 +12,7 @@ export interface IShare {
     action?: ShareAction;
     quantity?: number;
     remark?: string;
-    membershipAdmissionDocumentDate?: string;
+    membershipDisplayReference?: string;
     membershipId?: number;
 }
 
@@ -24,7 +24,7 @@ export class Share implements IShare {
         public action?: ShareAction,
         public quantity?: number,
         public remark?: string,
-        public membershipAdmissionDocumentDate?: string,
+        public membershipDisplayReference?: string,
         public membershipId?: number
     ) {}
 }

src/main/webapp/i18n/de/custom-error.json

@@ -1,5 +1,6 @@
 {
     "error": {
+        "idNotFound": "Technische Datensatz-ID nicht gefunden",
         "shareSubscriptionPositiveQuantity": "Zeichnungen von Geschäftsanteilen erfordern eine positive Stückzahl",
         "shareCancellationNegativeQuantity": "Kündigungen von Geschäftsanteilen erfordern eine negative Stückzahl",
         "shareTransactionImmutable": "Transaktionen mit Geschäftsanteilen sind unveränderlich",

src/main/webapp/i18n/en/custom-error.json

@@ -1,5 +1,6 @@
 {
     "error": {
+        "idNotFound": "Technical record-ID not found",
         "shareSubscriptionPositiveQuantity": "Share subscriptions require a positive quantity",
         "shareCancellationNegativeQuantity": "Share cancellations require a negative quantity",
         "shareTransactionImmutable": "Share transactions are immutable",

src/test/java/org/hostsharing/hsadminng/service/accessfilter/JSonDeserializerWithAccessFilterUnitTest.java

@@ -6,6 +6,7 @@ import com.fasterxml.jackson.core.TreeNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.commons.lang3.tuple.ImmutablePair;
 import org.hostsharing.hsadminng.service.IdToDtoResolver;
+import org.hostsharing.hsadminng.service.dto.FluentBuilder;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
 import org.junit.Before;
 import org.junit.Rule;
@@ -13,9 +14,11 @@ import org.junit.Test;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
+import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.context.ApplicationContext;
 
 import java.io.IOException;
+import java.util.Optional;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.catchThrowable;
@@ -31,22 +34,41 @@ public class JSonDeserializerWithAccessFilterUnitTest {
     public MockitoRule mockitoRule = MockitoJUnit.rule();
 
     @Mock
-    public ApplicationContext ctx;
+    private ApplicationContext ctx;
 
     @Mock
-    public JsonParser jsonParser;
+    private AutowireCapableBeanFactory autowireCapableBeanFactory;
 
     @Mock
-    public ObjectCodec codec;
+    private JsonParser jsonParser;
 
     @Mock
-    public TreeNode treeNode;
+    private ObjectCodec codec;
+
+    @Mock
+    private TreeNode treeNode;
+
+    @Mock
+    private GivenService givenService;
+
+    @Mock
+    private GivenChildService givenChildService;
 
     @Before
     public void init() {
         givenAuthenticatedUser();
         givenUserHavingRole(GivenDto.class, 1234L, Role.ACTUAL_CUSTOMER_USER);
 
+        given (ctx.getAutowireCapableBeanFactory()).willReturn(autowireCapableBeanFactory);
+        given(autowireCapableBeanFactory.createBean(GivenService.class)).willReturn(givenService);
+        given(givenService.findOne(1234L)).willReturn(Optional.of(new GivenDto()
+            .with(dto -> dto.id = 1234L)
+            .with(dto -> dto.openIntegerField = 1)
+            .with(dto -> dto.openLongField = 2L)
+            .with(dto -> dto.openStringField = "3")
+            .with(dto -> dto.restrictedField = "initial value of restricted field")
+        ));
+
         given(jsonParser.getCodec()).willReturn(codec);
     }
 
@@ -99,21 +121,54 @@ public class JSonDeserializerWithAccessFilterUnitTest {
         givenUserHavingRole(GivenDto.class, 1234L, Role.FINANCIAL_CONTACT);
         givenJSonTree(asJSon(
             ImmutablePair.of("id", 1234L),
-            ImmutablePair.of("restrictedField", "Restricted String Value")));
+            ImmutablePair.of("restrictedField", "update value of restricted field")));
 
         // when
         GivenDto actualDto = new JSonDeserializerWithAccessFilter<>(ctx, jsonParser, null, GivenDto.class).deserialize();
 
         // then
-        assertThat(actualDto.restrictedField).isEqualTo("Restricted String Value");
+        assertThat(actualDto.restrictedField).isEqualTo("update value of restricted field");
+    }
+
+    @Test
+    public void shouldDeserializeUnchangedStringFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
+        // given
+        givenAuthenticatedUser();
+        givenUserHavingRole(GivenDto.class, 1234L, Role.ANY_CUSTOMER_USER);
+        givenJSonTree(asJSon(
+            ImmutablePair.of("id", 1234L),
+            ImmutablePair.of("restrictedField", "initial value of restricted field")));
+
+        // when
+        GivenDto actualDto = new JSonDeserializerWithAccessFilter<>(ctx, jsonParser, null, GivenDto.class).deserialize();
+
+        // then
+        assertThat(actualDto.restrictedField).isEqualTo("initial value of restricted field");
+    }
+
+    @Test
+    public void shouldNotDeserializeUpatedStringFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
+        // given
+        givenAuthenticatedUser();
+        givenUserHavingRole(GivenDto.class, 1L, Role.ANY_CUSTOMER_USER);
+        givenJSonTree(asJSon(ImmutablePair.of("restrictedField", "updated value of restricted field")));
+
+        // when
+        Throwable exception = catchThrowable(() -> new JSonDeserializerWithAccessFilter<>(ctx, jsonParser, null, GivenDto.class).deserialize());
+
+        // then
+        assertThat(exception).isInstanceOfSatisfying(BadRequestAlertException.class, badRequestAlertException -> {
+            assertThat(badRequestAlertException.getParam()).isEqualTo("GivenDto.restrictedField");
+            assertThat(badRequestAlertException.getErrorKey()).isEqualTo("initializationProhibited");
+        });
     }
 
     @Test
     public void shouldInitializeFieldIfRequiredRoleIsNotCoveredByUser() throws IOException {
         // given
         givenAuthenticatedUser();
-        givenUserHavingRole(null, null, Role.ANY_CUSTOMER_USER);
+        givenUserHavingRole(GivenDto.class, 1L, Role.ANY_CUSTOMER_USER);
-        givenJSonTree(asJSon(ImmutablePair.of("restrictedField", "Restricted String Value")));
+        givenJSonTree(asJSon(ImmutablePair.of("restrictedField", "another value of restricted field")));
 
         // when
         Throwable exception = catchThrowable(() -> new JSonDeserializerWithAccessFilter<>(ctx, jsonParser, null, GivenDto.class).deserialize());
@@ -130,7 +185,7 @@ public class JSonDeserializerWithAccessFilterUnitTest {
         // given
         givenAuthenticatedUser();
         givenUserHavingRole(GivenDto.class, 9999L, Role.CONTRACTUAL_CONTACT);
-        givenJSonTree(asJSon(ImmutablePair.of("parentId", 1111L)));
+        givenJSonTree(asJSon(ImmutablePair.of("parentId", 1234L)));
 
         // when
         Throwable exception = catchThrowable(() -> new JSonDeserializerWithAccessFilter<>(ctx, jsonParser, null, GivenChildDto.class).deserialize());
@@ -146,14 +201,14 @@ public class JSonDeserializerWithAccessFilterUnitTest {
     public void shouldCreateIfRoleRequiredByReferencedEntityIsCoveredByUser() throws IOException {
         // given
         givenAuthenticatedUser();
-        givenUserHavingRole(GivenDto.class, 1111L, Role.CONTRACTUAL_CONTACT);
+        givenUserHavingRole(GivenDto.class, 1234L, Role.CONTRACTUAL_CONTACT);
-        givenJSonTree(asJSon(ImmutablePair.of("parentId", 1111L)));
+        givenJSonTree(asJSon(ImmutablePair.of("parentId", 1234L)));
 
         // when
         final GivenChildDto actualDto = new JSonDeserializerWithAccessFilter<>(ctx, jsonParser, null, GivenChildDto.class).deserialize();
 
         // then
-        assertThat(actualDto.parentId).isEqualTo(1111L);
+        assertThat(actualDto.parentId).isEqualTo(1234L);
     }
 
     @Test
@@ -193,9 +248,12 @@ public class JSonDeserializerWithAccessFilterUnitTest {
         given(codec.readTree(jsonParser)).willReturn(new ObjectMapper().readTree(givenJSon));
     }
 
-    public static class GivenDto {
+    abstract class GivenService implements IdToDtoResolver<GivenDto> {
+    }
 
-        @SelfId
+    public static class GivenDto extends FluentBuilder<GivenDto> {
+
+        @SelfId(resolver = GivenService.class)
         @AccessFor(read = Role.ANY_CUSTOMER_USER)
         Long id;
 
@@ -212,12 +270,12 @@ public class JSonDeserializerWithAccessFilterUnitTest {
         Long openLongField;
     }
 
-    abstract class GivenService implements IdToDtoResolver<GivenDto> {
+    abstract class GivenChildService implements IdToDtoResolver<GivenChildDto> {
     }
 
-    public static class GivenChildDto {
+    public static class GivenChildDto extends FluentBuilder<GivenChildDto> {
 
-        @SelfId
+        @SelfId(resolver = GivenChildService.class)
         @AccessFor(read = Role.ANY_CUSTOMER_USER)
         Long id;
 
@@ -231,11 +289,11 @@ public class JSonDeserializerWithAccessFilterUnitTest {
 
     public static class GivenDtoWithMultipleSelfId {
 
-        @SelfId
+        @SelfId(resolver = GivenChildService.class)
         @AccessFor(read = Role.ANY_CUSTOMER_USER)
         Long id;
 
-        @SelfId
+        @SelfId(resolver = GivenChildService.class)
         @AccessFor(read = Role.ANY_CUSTOMER_USER)
         Long id2;
 

src/test/java/org/hostsharing/hsadminng/service/accessfilter/JSonSerializerWithAccessFilterUnitTest.java

@@ -5,18 +5,22 @@ import org.apache.commons.lang3.NotImplementedException;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.RandomUtils;
 import org.hostsharing.hsadminng.service.IdToDtoResolver;
+import org.hostsharing.hsadminng.service.dto.FluentBuilder;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
+import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.context.ApplicationContext;
 
 import java.io.IOException;
+import java.util.Optional;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.catchThrowable;
+import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 
@@ -26,10 +30,16 @@ public class JSonSerializerWithAccessFilterUnitTest {
     public MockitoRule mockitoRule = MockitoJUnit.rule();
 
     @Mock
-    public ApplicationContext ctx;
+    private ApplicationContext ctx;
 
     @Mock
-    public JsonGenerator jsonGenerator;
+    private AutowireCapableBeanFactory autowireCapableBeanFactory;
+
+    @Mock
+    private JsonGenerator jsonGenerator;
+
+    @Mock
+    private GivenCustomerService givenCustomerService;
 
     private final GivenDto givenDTO = createSampleDto();
 
@@ -37,6 +47,12 @@ public class JSonSerializerWithAccessFilterUnitTest {
     public void init() {
         MockSecurityContext.givenAuthenticatedUser();
         MockSecurityContext.givenUserHavingRole(GivenCustomerDto.class, 888L, Role.ANY_CUSTOMER_USER);
+
+        given(ctx.getAutowireCapableBeanFactory()).willReturn(autowireCapableBeanFactory);
+        given(autowireCapableBeanFactory.createBean(GivenCustomerService.class)).willReturn(givenCustomerService);
+        given(givenCustomerService.findOne(888L)).willReturn(Optional.of(new GivenCustomerDto()
+            .with(dto -> dto.id = 888L)
+        ));
     }
 
     @Test
@@ -84,7 +100,7 @@ public class JSonSerializerWithAccessFilterUnitTest {
         }
         class GivenDtoWithUnimplementedFieldType {
             @AccessFor(read = Role.ANYBODY)
-            Arbitrary fieldWithUnimplementedType;
+            Arbitrary fieldWithUnimplementedType = new Arbitrary();
         }
         final GivenDtoWithUnimplementedFieldType givenDtoWithUnimplementedFieldType = new GivenDtoWithUnimplementedFieldType();
 
@@ -107,8 +123,10 @@ public class JSonSerializerWithAccessFilterUnitTest {
         return dto;
     }
 
-    private static class GivenCustomerDto {
+    private static class GivenCustomerDto extends FluentBuilder<GivenCustomerDto> {
-
+        @SelfId(resolver = GivenService.class)
+        @AccessFor(read = Role.ANYBODY)
+        Long id;
     }
 
     private abstract class GivenCustomerService implements IdToDtoResolver<GivenCustomerDto> {
@@ -116,7 +134,12 @@ public class JSonSerializerWithAccessFilterUnitTest {
 
     private static class GivenDto {
 
+        @SelfId(resolver = GivenService.class)
+        @AccessFor(read = Role.ANYBODY)
+        Long id;
+
         @ParentId(resolver = GivenCustomerService.class)
+        @AccessFor(read = {Role.TECHNICAL_CONTACT, Role.FINANCIAL_CONTACT})
         Long customerId;
 
         @AccessFor(read = {Role.TECHNICAL_CONTACT, Role.FINANCIAL_CONTACT})
@@ -131,4 +154,9 @@ public class JSonSerializerWithAccessFilterUnitTest {
         @AccessFor(read = Role.ANYBODY)
         Long openLongField;
     }
+
+    private abstract class GivenService implements IdToDtoResolver<GivenService> {
+    }
+
+
 }

src/test/java/org/hostsharing/hsadminng/service/accessfilter/MockSecurityContext.java

@@ -20,8 +20,13 @@ public class MockSecurityContext {
 
     public static void givenUserHavingRole(final Class<?> onClass, final Long onId, final Role role) {
         if ((onClass == null || onId == null) && !role.isIndependent()) {
-            throw new IllegalArgumentException("dependent roles like " + role + " depend on DtoClass and ID");
+            throw new IllegalArgumentException("dependent roles like " + role + " missing DtoClass and ID");
         }
         SecurityUtils.addUserRole(onClass, onId, role);
     }
+
+    public static void givenUserHavingRole(final Role role) {
+        givenUserHavingRole(null, null, role);
+    }
+
 }

src/test/java/org/hostsharing/hsadminng/service/accessfilter/RoleUnitTest.java

@@ -28,7 +28,7 @@ public class RoleUnitTest {
         assertThat(Role.SUPPORTER.covers(Role.ADMIN)).isFalse();
 
         assertThat(Role.ANY_CUSTOMER_CONTACT.covers(Role.SUPPORTER)).isFalse();
-        assertThat(Role.CONTRACTUAL_CONTACT.covers(Role.ANY_CUSTOMER_CONTACT)).isFalse();
+        assertThat(Role.ANY_CUSTOMER_CONTACT.covers(Role.CONTRACTUAL_CONTACT)).isFalse();
         assertThat(Role.FINANCIAL_CONTACT.covers(Role.CONTRACTUAL_CONTACT)).isFalse();
         assertThat(Role.FINANCIAL_CONTACT.covers(Role.TECHNICAL_CONTACT)).isFalse();
         assertThat(Role.TECHNICAL_CONTACT.covers(Role.CONTRACTUAL_CONTACT)).isFalse();
@@ -55,7 +55,7 @@ public class RoleUnitTest {
 
         assertThat(Role.SUPPORTER.covers(Role.ANY_CUSTOMER_CONTACT)).isTrue();
 
-        assertThat(Role.ANY_CUSTOMER_CONTACT.covers(Role.CONTRACTUAL_CONTACT)).isTrue();
+        assertThat(Role.CONTRACTUAL_CONTACT.covers(Role.ANY_CUSTOMER_CONTACT)).isTrue();
         assertThat(Role.CONTRACTUAL_CONTACT.covers(Role.FINANCIAL_CONTACT)).isTrue();
         assertThat(Role.CONTRACTUAL_CONTACT.covers(Role.TECHNICAL_CONTACT)).isTrue();
         assertThat(Role.TECHNICAL_CONTACT.covers(Role.ANY_CUSTOMER_USER)).isTrue();

src/test/java/org/hostsharing/hsadminng/service/dto/CustomerDTOUnitTest.java

@@ -2,54 +2,98 @@ package org.hostsharing.hsadminng.service.dto;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import org.hostsharing.hsadminng.domain.Customer;
+import org.hostsharing.hsadminng.domain.enumeration.CustomerKind;
+import org.hostsharing.hsadminng.domain.enumeration.VatRegion;
+import org.hostsharing.hsadminng.repository.CustomerRepository;
+import org.hostsharing.hsadminng.service.CustomerService;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
+import org.hostsharing.hsadminng.service.mapper.CustomerMapper;
+import org.hostsharing.hsadminng.service.mapper.CustomerMapperImpl;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.json.JsonTest;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.context.junit4.SpringRunner;
 
 import java.io.IOException;
+import java.util.Optional;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.hostsharing.hsadminng.service.accessfilter.MockSecurityContext.givenAuthenticatedUser;
 import static org.hostsharing.hsadminng.service.accessfilter.MockSecurityContext.givenUserHavingRole;
 import static org.junit.Assert.assertEquals;
+import static org.mockito.BDDMockito.given;
 
 @JsonTest
+@SpringBootTest(classes = {CustomerMapperImpl.class, CustomerRepository.class, CustomerService.class, CustomerDTO.CustomerJsonSerializer.class, CustomerDTO.CustomerJsonDeserializer.class})
 @RunWith(SpringRunner.class)
 public class CustomerDTOUnitTest {
 
+    @Rule
+    public MockitoRule mockito = MockitoJUnit.rule();
+
     @Autowired
     private ObjectMapper objectMapper;
 
+    @Autowired
+    private CustomerMapper customerMapper;
+
+    @MockBean
+    private CustomerRepository customerRepository;
+
+    @MockBean
+    private CustomerService customerService;
+
     @Test
     public void testSerializationAsContractualCustomerContact() throws JsonProcessingException {
 
         // given
         givenAuthenticatedUser();
-        givenUserHavingRole(CustomerDTO.class, null, Role.ANY_CUSTOMER_USER);
+        givenUserHavingRole(CustomerDTO.class, 1234L, Role.CONTRACTUAL_CONTACT);
-        CustomerDTO given = createSomeCustomerDTO();
+        CustomerDTO given = createSomeCustomerDTO(1234L);
 
         // when
         String actual = objectMapper.writeValueAsString(given);
 
         // then
-        given.setContractualAddress(null);
-        given.setContractualSalutation(null);
-        given.setBillingAddress(null);
-        given.setBillingSalutation(null);
         given.setRemark(null);
         assertEquals(createExpectedJSon(given), actual);
     }
 
+    @Test
+    public void testSerializationAsTechnicalCustomerUser() throws JsonProcessingException {
+
+        // given
+        givenAuthenticatedUser();
+        givenUserHavingRole(CustomerDTO.class, 1234L, Role.TECHNICAL_CONTACT);
+        CustomerDTO given = createSomeCustomerDTO(1234L);
+
+        // when
+        String actual = objectMapper.writeValueAsString(given);
+
+        // then
+        final String expectedJSon = "{" +
+            toJSonFieldDefinition("id", given.getId()) + "," +
+            toJSonFieldDefinition("reference", given.getReference()) + "," +
+            toJSonFieldDefinition("prefix", given.getPrefix()) + "," +
+            toJSonFieldDefinition("name", given.getName()) +
+            "}";
+        assertEquals(expectedJSon, actual);
+    }
+
     @Test
     public void testSerializationAsSupporter() throws JsonProcessingException {
 
         // given
         givenAuthenticatedUser();
         givenUserHavingRole(CustomerDTO.class, null, Role.SUPPORTER);
-        CustomerDTO given = createSomeCustomerDTO();
+        CustomerDTO given = createSomeCustomerDTO(1234L);
 
         // when
         String actual = objectMapper.writeValueAsString(given);
@@ -62,7 +106,8 @@ public class CustomerDTOUnitTest {
     public void testDeserializeAsContractualCustomerContact() throws IOException {
         // given
         givenAuthenticatedUser();
-        givenUserHavingRole(CustomerDTO.class, null, Role.CONTRACTUAL_CONTACT);
+        givenUserHavingRole(CustomerDTO.class, 1234L, Role.CONTRACTUAL_CONTACT);
+        given(customerRepository.findById(1234L)).willReturn(Optional.of(new Customer().id(1234L)));
         String json = "{\"id\":1234,\"contractualSalutation\":\"Hallo Updated\",\"billingSalutation\":\"Moin Updated\"}";
 
         // when
@@ -84,14 +129,35 @@ public class CustomerDTOUnitTest {
                 toJSonFieldDefinitionIfPresent("reference", dto.getReference()) +
                 toJSonFieldDefinitionIfPresent("prefix", dto.getPrefix()) +
                 toJSonFieldDefinitionIfPresent("name", dto.getName()) +
+                toJSonFieldDefinitionIfPresent("kind", "LEGAL") +
+                toJSonNullFieldDefinition("birthDate") +
+                toJSonNullFieldDefinition("birthPlace") +
+                toJSonFieldDefinitionIfPresent("registrationCourt", "Registergericht") +
+                toJSonFieldDefinitionIfPresent("registrationNumber", "Registernummer") +
+                toJSonFieldDefinitionIfPresent("vatRegion", "DOMESTIC") +
+                toJSonFieldDefinitionIfPresent("vatNumber", "DE1234") +
                 toJSonFieldDefinitionIfPresent("contractualSalutation", dto.getContractualSalutation()) +
                 toJSonFieldDefinitionIfPresent("contractualAddress", dto.getContractualAddress()) +
                 toJSonFieldDefinitionIfPresent("billingSalutation", dto.getBillingSalutation()) +
                 toJSonFieldDefinitionIfPresent("billingAddress", dto.getBillingAddress()) +
-                toJSonFieldDefinitionIfPresent("remark", dto.getRemark()) ;
+                toJSonFieldDefinitionIfPresent("remark", dto.getRemark());
         return "{" + json.substring(0, json.length() - 1) + "}";
     }
 
+
+
+    private String toJSonFieldDefinition(String name, String value) {
+        return inQuotes(name) + ":" + (value != null ? inQuotes(value) : "null");
+    }
+
+    private String toJSonFieldDefinition(String name, Number value) {
+        return inQuotes(name) + ":" + (value != null ? value : "null");
+    }
+
+    private String toJSonNullFieldDefinition(String name) {
+        return inQuotes(name) + ":null,";
+    }
+
     private String toJSonFieldDefinitionIfPresent(String name, String value) {
         return value != null ? inQuotes(name) + ":" + inQuotes(value) + "," : "";
     }
@@ -104,12 +170,17 @@ public class CustomerDTOUnitTest {
         return "\"" + value.toString() + "\"";
     }
 
-    private CustomerDTO createSomeCustomerDTO() {
+    private CustomerDTO createSomeCustomerDTO(final long id) {
-        CustomerDTO given = new CustomerDTO();
+        final CustomerDTO given = new CustomerDTO();
-        given.setId(1234L);
+        given.setId(id);
         given.setReference(10001);
         given.setPrefix("abc");
         given.setName("Mein Name");
+        given.setKind(CustomerKind.LEGAL);
+        given.setRegistrationCourt("Registergericht");
+        given.setRegistrationNumber("Registernummer");
+        given.setVatRegion(VatRegion.DOMESTIC);
+        given.setVatNumber("DE1234");
         given.setContractualAddress("Eine Adresse");
         given.setContractualSalutation("Hallo");
         given.setBillingAddress("Noch eine Adresse");

src/test/java/org/hostsharing/hsadminng/service/dto/MembershipDTOUnitTest.java

@@ -5,6 +5,8 @@ import com.fasterxml.jackson.core.ObjectCodec;
 import com.fasterxml.jackson.core.TreeNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.commons.lang3.tuple.ImmutablePair;
+import org.hostsharing.hsadminng.service.CustomerService;
+import org.hostsharing.hsadminng.service.MembershipService;
 import org.hostsharing.hsadminng.service.accessfilter.JSonDeserializerWithAccessFilter;
 import org.hostsharing.hsadminng.service.accessfilter.Role;
 import org.hostsharing.hsadminng.web.rest.errors.BadRequestAlertException;
@@ -14,9 +16,11 @@ import org.junit.Test;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
+import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.context.ApplicationContext;
 
 import java.io.IOException;
+import java.util.Optional;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.catchThrowable;
@@ -31,20 +35,36 @@ public class MembershipDTOUnitTest {
     public MockitoRule mockitoRule = MockitoJUnit.rule();
 
     @Mock
-    public ApplicationContext ctx;
+    private ApplicationContext ctx;
 
     @Mock
-    public JsonParser jsonParser;
+    private AutowireCapableBeanFactory autowireCapableBeanFactory;
 
     @Mock
-    public ObjectCodec codec;
+    private JsonParser jsonParser;
 
     @Mock
-    public TreeNode treeNode;
+    private ObjectCodec codec;
+
+    @Mock
+    private TreeNode treeNode;
+
+    @Mock
+    private MembershipService membershipService;
+
+    @Mock
+    private CustomerService customerService;
 
     @Before
     public void init() {
         given(jsonParser.getCodec()).willReturn(codec);
+
+        given (ctx.getAutowireCapableBeanFactory()).willReturn(autowireCapableBeanFactory);
+        given(autowireCapableBeanFactory.createBean(MembershipService.class)).willReturn(membershipService);
+        given(autowireCapableBeanFactory.createBean(CustomerService.class)).willReturn(customerService);
+        given(customerService.findOne(1234L)).willReturn(Optional.of(new CustomerDTO()
+            .with(dto -> dto.setId(1234L))
+        ));
     }
 
     @Test

src/test/java/org/hostsharing/hsadminng/service/dto/ShareDTOUnitTest.java

@@ -154,7 +154,7 @@ public class ShareDTOUnitTest {
         givenDTO.setAction(ShareAction.SUBSCRIPTION);
         givenDTO.setQuantity(3);
         givenDTO.setDocumentDate(LocalDate.parse("2019-04-22"));
-        givenDTO.setMembershipDocumentDate("2019-04-21"); // TODO: why is this not a LocalDate?
+        givenDTO.setMembershipDisplayReference("2019-04-21"); // TODO: why is this not a LocalDate?
         givenDTO.setValueDate(LocalDate.parse("2019-04-30"));
         givenDTO.setRemark("Some Remark");
         return givenDTO;

src/test/java/org/hostsharing/hsadminng/web/rest/CustomerResourceIntTest.java

@@ -9,6 +9,7 @@ import org.hostsharing.hsadminng.domain.enumeration.VatRegion;
 import org.hostsharing.hsadminng.repository.CustomerRepository;
 import org.hostsharing.hsadminng.service.CustomerQueryService;
 import org.hostsharing.hsadminng.service.CustomerService;
+import org.hostsharing.hsadminng.service.accessfilter.Role;
 import org.hostsharing.hsadminng.service.dto.CustomerDTO;
 import org.hostsharing.hsadminng.service.mapper.CustomerMapper;
 import org.hostsharing.hsadminng.web.rest.errors.ExceptionTranslator;
@@ -34,9 +35,12 @@ import java.util.List;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.hamcrest.Matchers.hasItem;
+import static org.hostsharing.hsadminng.service.accessfilter.MockSecurityContext.givenAuthenticatedUser;
+import static org.hostsharing.hsadminng.service.accessfilter.MockSecurityContext.givenUserHavingRole;
 import static org.hostsharing.hsadminng.web.rest.TestUtil.createFormattingConversionService;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
 /**
  * Test class for the CustomerResource REST controller.
  *
@@ -133,6 +137,10 @@ public class CustomerResourceIntTest {
     @Before
     public void setup() {
         MockitoAnnotations.initMocks(this);
+
+        givenAuthenticatedUser();
+        givenUserHavingRole(Role.ADMIN);
+
         final CustomerResource customerResource = new CustomerResource(customerService, customerQueryService);
         this.restCustomerMockMvc = MockMvcBuilders.standaloneSetup(customerResource)
             .setCustomArgumentResolvers(pageableArgumentResolver)
@@ -144,7 +152,7 @@ public class CustomerResourceIntTest {
 
     /**
      * Create an entity for this test.
-     *
+     * <p>
      * This is a static method, as tests for other entities might also need it,
      * if they test an entity which requires the current entity.
      */
@@ -170,7 +178,7 @@ public class CustomerResourceIntTest {
 
     /**
      * Create another entity for tests.
-     *
+     * <p>
      * This is a static method, as tests for other entities might also need it,
      * if they test an entity which requires the current entity.
      */
@@ -372,22 +380,22 @@ public class CustomerResourceIntTest {
             .andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8_VALUE))
             .andExpect(jsonPath("$.[*].id").value(hasItem(customer.getId().intValue())))
             .andExpect(jsonPath("$.[*].reference").value(hasItem(DEFAULT_REFERENCE)))
-            .andExpect(jsonPath("$.[*].prefix").value(hasItem(DEFAULT_PREFIX.toString())))
+            .andExpect(jsonPath("$.[*].prefix").value(hasItem(DEFAULT_PREFIX)))
-            .andExpect(jsonPath("$.[*].name").value(hasItem(DEFAULT_NAME.toString())))
+            .andExpect(jsonPath("$.[*].name").value(hasItem(DEFAULT_NAME)))
             .andExpect(jsonPath("$.[*].kind").value(hasItem(DEFAULT_KIND.toString())))
             .andExpect(jsonPath("$.[*].birthDate").value(hasItem(DEFAULT_BIRTH_DATE.toString())))
-            .andExpect(jsonPath("$.[*].birthPlace").value(hasItem(DEFAULT_BIRTH_PLACE.toString())))
+            .andExpect(jsonPath("$.[*].birthPlace").value(hasItem(DEFAULT_BIRTH_PLACE)))
-            .andExpect(jsonPath("$.[*].registrationCourt").value(hasItem(DEFAULT_REGISTRATION_COURT.toString())))
+            .andExpect(jsonPath("$.[*].registrationCourt").value(hasItem(DEFAULT_REGISTRATION_COURT)))
-            .andExpect(jsonPath("$.[*].registrationNumber").value(hasItem(DEFAULT_REGISTRATION_NUMBER.toString())))
+            .andExpect(jsonPath("$.[*].registrationNumber").value(hasItem(DEFAULT_REGISTRATION_NUMBER)))
             .andExpect(jsonPath("$.[*].vatRegion").value(hasItem(DEFAULT_VAT_REGION.toString())))
-            .andExpect(jsonPath("$.[*].vatNumber").value(hasItem(DEFAULT_VAT_NUMBER.toString())))
+            .andExpect(jsonPath("$.[*].vatNumber").value(hasItem(DEFAULT_VAT_NUMBER)))
-            .andExpect(jsonPath("$.[*].contractualSalutation").value(hasItem(DEFAULT_CONTRACTUAL_SALUTATION.toString())))
+            .andExpect(jsonPath("$.[*].contractualSalutation").value(hasItem(DEFAULT_CONTRACTUAL_SALUTATION)))
-            .andExpect(jsonPath("$.[*].contractualAddress").value(hasItem(DEFAULT_CONTRACTUAL_ADDRESS.toString())))
+            .andExpect(jsonPath("$.[*].contractualAddress").value(hasItem(DEFAULT_CONTRACTUAL_ADDRESS)))
-            .andExpect(jsonPath("$.[*].billingSalutation").value(hasItem(DEFAULT_BILLING_SALUTATION.toString())))
+            .andExpect(jsonPath("$.[*].billingSalutation").value(hasItem(DEFAULT_BILLING_SALUTATION)))
-            .andExpect(jsonPath("$.[*].billingAddress").value(hasItem(DEFAULT_BILLING_ADDRESS.toString())))
+            .andExpect(jsonPath("$.[*].billingAddress").value(hasItem(DEFAULT_BILLING_ADDRESS)))
-            .andExpect(jsonPath("$.[*].remark").value(hasItem(DEFAULT_REMARK.toString())));
+            .andExpect(jsonPath("$.[*].remark").value(hasItem(DEFAULT_REMARK)));
     }
-    
+
     @Test
     @Transactional
     public void getCustomer() throws Exception {
@@ -1162,8 +1170,8 @@ public class CustomerResourceIntTest {
         // Disconnect from session so that the updates on updatedCustomer are not directly saved in db
         em.detach(updatedCustomer);
         updatedCustomer
-            .reference(UPDATED_REFERENCE)
+            .reference(null)
-            .prefix(UPDATED_PREFIX)
+            .prefix(null)
             .name(UPDATED_NAME)
             .kind(UPDATED_KIND)
             .birthDate(UPDATED_BIRTH_DATE)
@@ -1188,8 +1196,8 @@ public class CustomerResourceIntTest {
         List<Customer> customerList = customerRepository.findAll();
         assertThat(customerList).hasSize(databaseSizeBeforeUpdate);
         Customer testCustomer = customerList.get(customerList.size() - 1);
-        assertThat(testCustomer.getReference()).isEqualTo(UPDATED_REFERENCE);
+        assertThat(testCustomer.getReference()).isEqualTo(DEFAULT_REFERENCE);
-        assertThat(testCustomer.getPrefix()).isEqualTo(UPDATED_PREFIX);
+        assertThat(testCustomer.getPrefix()).isEqualTo(DEFAULT_PREFIX);
         assertThat(testCustomer.getName()).isEqualTo(UPDATED_NAME);
         assertThat(testCustomer.getKind()).isEqualTo(UPDATED_KIND);
         assertThat(testCustomer.getBirthDate()).isEqualTo(UPDATED_BIRTH_DATE);