feat(nestjs): migrate to NestJS

packages/server/src/modules/Import/ImportFileDataValidator.ts

@@ -0,0 +1,47 @@
+
+import { ImportInsertError, ResourceMetaFieldsMap } from './interfaces';
+import { ERRORS, convertFieldsToYupValidation } from './_utils';
+import { Injectable } from '@nestjs/common';
+import { IModelMeta } from '@/interfaces/Model';
+import { ServiceError } from '../Items/ServiceError';
+
+@Injectable()
+export class ImportFileDataValidator {
+  /**
+   * Validates the given resource is importable.
+   * @param {IModelMeta} resourceMeta
+   */
+  public validateResourceImportable(resourceMeta: IModelMeta) {
+    // Throw service error if the resource does not support importing.
+    if (!resourceMeta.importable) {
+      throw new ServiceError(ERRORS.RESOURCE_NOT_IMPORTABLE);
+    }
+  }
+
+  /**
+   * Validates the given mapped DTOs and returns errors with their index.
+   * @param {Record<string, any>} mappedDTOs
+   * @returns {Promise<void | ImportInsertError[]>}
+   */
+  public async validateData(
+    importableFields: ResourceMetaFieldsMap,
+    data: Record<string, any>
+  ): Promise<void | ImportInsertError[]> {
+    const YupSchema = convertFieldsToYupValidation(importableFields);
+    const _data = { ...data };
+
+    try {
+      await YupSchema.validate(_data, { abortEarly: false });
+    } catch (validationError) {
+      const errors = validationError.inner.reduce((errors, error) => {
+        const newErrors = error.errors.map((errMsg) => ({
+          errorCode: 'ValidationError',
+          errorMessage: errMsg,
+        }));
+        return [...errors, ...newErrors];
+      }, []);
+
+      throw errors;
+    }
+  }
+}