Fixed dynamic form to make it work after Angular 6 upgrade

src/app/shared/form/builder/parsers/relation-group-field-parser.ts

@@ -0,0 +1,63 @@
+import { FieldParser } from './field-parser';
+import { FormFieldMetadataValueObject } from '../models/form-field-metadata-value.model';
+import { FormFieldModel } from '../models/form-field.model';
+
+import { isNotEmpty } from '../../../empty.util';
+import { FormRowModel } from '../../../../core/config/models/config-submission-forms.model';
+import {
+  DynamicRelationGroupModel,
+  DynamicRelationGroupModelConfig,
+  PLACEHOLDER_PARENT_METADATA
+} from '../ds-dynamic-form-ui/models/relation-group/dynamic-relation-group.model';
+
+export class RelationGroupFieldParser extends FieldParser {
+
+  public modelFactory(fieldValue?: FormFieldMetadataValueObject | any, label?: boolean) {
+    const modelConfiguration: DynamicRelationGroupModelConfig = this.initModel(null, label);
+
+    modelConfiguration.scopeUUID = this.parserOptions.authorityUuid;
+    modelConfiguration.submissionScope = this.parserOptions.submissionScope;
+    if (this.configData && this.configData.rows && this.configData.rows.length > 0) {
+      modelConfiguration.formConfiguration = this.configData.rows;
+      modelConfiguration.relationFields = [];
+      this.configData.rows.forEach((row: FormRowModel) => {
+        row.fields.forEach((field: FormFieldModel) => {
+          if (field.selectableMetadata[0].metadata === this.configData.selectableMetadata[0].metadata) {
+            if (!field.mandatory) {
+              // throw new Error(`Configuration not valid: Main field ${this.configData.selectableMetadata[0].metadata} may be mandatory`);
+            }
+            modelConfiguration.mandatoryField = this.configData.selectableMetadata[0].metadata;
+          } else {
+            modelConfiguration.relationFields.push(field.selectableMetadata[0].metadata);
+          }
+        })
+      });
+    } else {
+      throw new Error(`Configuration not valid: ${modelConfiguration.name}`);
+    }
+
+    if (isNotEmpty(this.getInitGroupValues())) {
+      modelConfiguration.value = [];
+      const mandatoryFieldEntries: FormFieldMetadataValueObject[] = this.getInitFieldValues(modelConfiguration.mandatoryField);
+      mandatoryFieldEntries.forEach((entry, index) => {
+        const item = Object.create(null);
+        const listFields = [modelConfiguration.mandatoryField].concat(modelConfiguration.relationFields);
+        listFields.forEach((fieldId) => {
+          const value = this.getInitFieldValue(0, index, [fieldId]);
+          item[fieldId] = isNotEmpty(value) ? value : PLACEHOLDER_PARENT_METADATA;
+        });
+        modelConfiguration.value.push(item);
+      })
+    }
+    const cls = {
+      element: {
+        container: 'mb-3'
+      }
+    };
+
+    const model = new DynamicRelationGroupModel(modelConfiguration, cls);
+    model.name = this.getFieldId();
+    return model;
+  }
+
+}