fix multiplicity issue

backend/core/src/main/java/org/opencdmp/commons/types/descriptiontemplate/MultiplicityEntity.java

@@ -8,27 +8,27 @@ import jakarta.xml.bind.annotation.XmlAttribute;
 public class MultiplicityEntity {
 
     @XmlAttribute(name="min")
-    private int min;
+    private Integer min;
     @XmlAttribute(name="max")
-    private int max;
+    private Integer max;
     @XmlAttribute(name="placeholder")
     private String placeholder;
     @XmlAttribute(name="tableView")
     private boolean tableView;
 
-    public int getMin() {
+    public Integer getMin() {
         return min;
     }
 
-    public void setMin(int min) {
+    public void setMin(Integer min) {
         this.min = min;
     }
 
-    public int getMax() {
+    public Integer getMax() {
         return max;
     }
 
-    public void setMax(int max) {
+    public void setMax(Integer max) {
         this.max = max;
     }
 

backend/core/src/main/java/org/opencdmp/model/persist/descriptiontemplatedefinition/MultiplicityPersist.java

@@ -85,7 +85,7 @@ public class MultiplicityPersist {
                             .failOn(MultiplicityPersist._min).failWith(messageSource.getMessage("Validation_UnexpectedValue", new Object[]{MultiplicityPersist._min}, LocaleContextHolder.getLocale())),
                     this.spec()
                             .iff(() -> !this.isNull(item.getMax()))
-                            .must(() -> item.getMax() >= 0)
+                            .must(() -> item.getMax() > 0)
                             .failOn(MultiplicityPersist._max).failWith(messageSource.getMessage("Validation_UnexpectedValue", new Object[]{MultiplicityPersist._max}, LocaleContextHolder.getLocale())),
                     this.spec()
                             .iff(() -> !this.isNull(item.getMax()))

backend/core/src/main/java/org/opencdmp/service/descriptiontemplate/DescriptionTemplateServiceImpl.java

@@ -354,10 +354,7 @@ public class DescriptionTemplateServiceImpl implements DescriptionTemplateServic
         data.setHasMultiplicity(persist.getHasMultiplicity());
         data.setAdditionalInformation(persist.getAdditionalInformation());
         data.setExtendedDescription(persist.getExtendedDescription());
-        if (persist.getMultiplicity() != null && persist.getHasMultiplicity() && (
+        if (persist.getMultiplicity() != null && persist.getHasMultiplicity()) {
-                (persist.getMultiplicity().getMin() != null && persist.getMultiplicity().getMin() != 0)  
-                        || (persist.getMultiplicity().getMax() != null && persist.getMultiplicity().getMax() != 0)
-        )) {
             data.setMultiplicity(this.buildMultiplicityEntity(persist.getMultiplicity()));
         }
         data.setHasCommentField(persist.getHasCommentField());

dmp-frontend/src/app/ui/description/editor/description-form/components/form-field-set/form-field-set.component.html

@@ -32,7 +32,7 @@
 					</button>
 				</div>
 			</div>
-			<div *ngIf="fieldSet.hasMultiplicity && (fieldSet?.multiplicity?.max) > (propertiesFormGroup.get('items').length)" class="col-12 mt-1 ml-0 mr-0 addOneFieldButton">
+			<div *ngIf="canAddMultiplicityField()" class="col-12 mt-1 ml-0 mr-0 addOneFieldButton">
 				<mat-error *ngIf="fieldSet.hasMultiplicity && fieldSet?.multiplicity?.min && propertiesFormGroup.get('items').hasError('minlength')">{{'GENERAL.VALIDATION.MULTIPLICITY.MIN' | translate: { min: fieldSet.multiplicity.min} }}</mat-error>
 					<mat-error *ngIf="fieldSet.hasMultiplicity && fieldSet?.multiplicity?.max && propertiesFormGroup.get('items').hasError('maxlength')">{{'GENERAL.VALIDATION,MULTIPLICITY.MAX' | translate: { max: fieldSet.multiplicity.max} }}</mat-error>
 				<span class="d-inline-flex align-items-center" [ngClass]="propertiesFormGroup.disabled ? '' : 'pointer'" (click)="addMultiplicityField()">
@@ -40,7 +40,7 @@
 						<mat-icon>add_circle</mat-icon>
 					</button>
 					<span class="mt-1" *ngIf="fieldSet?.multiplicity?.placeholder">{{fieldSet.multiplicity.placeholder}}</span>
-					<span class="mt-1" *ngIf="!fieldSet?.multiplicity?.placeholder">{{('DESCRIPTION-EDITOR.ACTIONS.MULTIPLICITY-ADD-ONE-FIELD' + (fieldSet.multiplicity.tableView?'-TABLEVIEW':'')) | translate}}</span>
+					<span class="mt-1" *ngIf="!fieldSet?.multiplicity?.placeholder">{{('DESCRIPTION-EDITOR.ACTIONS.MULTIPLICITY-ADD-ONE-FIELD' + (fieldSet.multiplicity?.tableView?'-TABLEVIEW':'')) | translate}}</span>
 				</span>
 			</div>
 		</div>
@@ -70,7 +70,7 @@
 					</tr>
 				</ng-container>
 
-				<tr *ngIf="fieldSet.hasMultiplicity && (fieldSet.multiplicity.max - 1) > propertiesFormGroup?.get('items')?.controls.length">
+				<tr *ngIf="canAddMultiplicityField()">
 					<td [colSpan]="fieldSet.fields.length + 1" class="text-center">
 						<mat-error *ngIf="fieldSet.hasMultiplicity && fieldSet?.multiplicity?.min && propertiesFormGroup.get('items').hasError('minlength')">{{'GENERAL.VALIDATION.MULTIPLICITY.MIN' | translate: { min: fieldSet.multiplicity.min} }}</mat-error>
 						<mat-error *ngIf="fieldSet.hasMultiplicity && fieldSet?.multiplicity?.max && propertiesFormGroup.get('items').hasError('maxlength')">{{'GENERAL.VALIDATION,MULTIPLICITY.MAX' | translate: { max: fieldSet.multiplicity.max} }}</mat-error>

dmp-frontend/src/app/ui/description/editor/description-form/components/form-field-set/form-field-set.component.ts

@@ -71,6 +71,12 @@ export class DescriptionFormFieldSetComponent extends BaseComponent {
 		});
 	}
 
+	canAddMultiplicityField(): boolean{
+		if (!this.fieldSet.hasMultiplicity) return false;
+		if (this.fieldSet?.multiplicity?.max) return this.fieldSet.multiplicity.max > (this.propertiesFormGroup.get('items') as UntypedFormArray).length;
+		return true;
+	}
+
 	addMultiplicityField() {
 		const formArray = this.propertiesFormGroup?.get('items') as UntypedFormArray;
 		if (formArray.disabled) {