Remove Tenant columns anonymisation (#2404)

* Remove Tenant columns anonymisation

* add tests

* use _ instead of custom_

* put _ on all custom fields

server/src/metadata/field-metadata/utils/field-metadata.util.ts

@@ -1,8 +1,5 @@
-import { v4 } from 'uuid';
-
 import { FieldMetadataTargetColumnMap } from 'src/metadata/field-metadata/interfaces/field-metadata-target-column-map.interface';
 
-import { uuidToBase36 } from 'src/metadata/data-source/data-source.util';
 import {
   FieldMetadata,
   FieldMetadataType,
@@ -12,16 +9,6 @@ import {
   TenantMigrationColumnActionType,
 } from 'src/metadata/tenant-migration/tenant-migration.entity';
 
-/**
- * Generate a column name from a field name removing unsupported characters.
- *
- * @param name string
- * @returns string
- */
-export function generateColumnName(name: string): string {
-  return name.toLowerCase().replace(/ /g, '_');
-}
-
 /**
  * Generate a target column map for a given type, this is used to map the field to the correct column(s) in the database.
  * This is used to support fields that map to multiple columns in the database.
@@ -31,7 +18,11 @@ export function generateColumnName(name: string): string {
  */
 export function generateTargetColumnMap(
   type: FieldMetadataType,
+  isCustomField: boolean,
+  fieldName: string,
 ): FieldMetadataTargetColumnMap {
+  const columnName = isCustomField ? `_${fieldName}` : fieldName;
+
   switch (type) {
     case FieldMetadataType.TEXT:
     case FieldMetadataType.PHONE:
@@ -40,17 +31,17 @@ export function generateTargetColumnMap(
     case FieldMetadataType.BOOLEAN:
     case FieldMetadataType.DATE:
       return {
-        value: `column_${uuidToBase36(v4())}`,
+        value: columnName,
       };
     case FieldMetadataType.URL:
       return {
-        text: `column_${uuidToBase36(v4())}`,
-        link: `column_${uuidToBase36(v4())}`,
+        text: `${columnName}_text`,
+        link: `${columnName}_link`,
       };
     case FieldMetadataType.MONEY:
       return {
-        amount: `column_${uuidToBase36(v4())}`,
-        currency: `column_${uuidToBase36(v4())}`,
+        amount: `${columnName}_amount`,
+        currency: `${columnName}_currency`,
       };
     default:
       throw new Error(`Unknown type ${type}`);