From df97b7ad9312bc60d9b33ad0683de7aa1d8747fd Mon Sep 17 00:00:00 2001
From: Adria Navarro <adria@budibase.com>
Date: Tue, 10 Oct 2023 10:47:43 +0200
Subject: [PATCH] Expect BB ref data as csv strings

---
 .../server/src/api/controllers/view/exporters.ts    |  4 ++++
 packages/server/src/utilities/schema.ts             | 13 ++++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/packages/server/src/api/controllers/view/exporters.ts b/packages/server/src/api/controllers/view/exporters.ts
index e707cad0cc..b04d139e74 100644
--- a/packages/server/src/api/controllers/view/exporters.ts
+++ b/packages/server/src/api/controllers/view/exporters.ts
@@ -43,3 +43,7 @@ export enum Format {
 export function isFormat(format: any): format is Format {
   return Object.values(Format).includes(format as Format)
 }
+
+export function parseCsvExport(value: string) {
+  return JSON.parse(value?.replace(/'/g, '"'))
+}
diff --git a/packages/server/src/utilities/schema.ts b/packages/server/src/utilities/schema.ts
index e66bc97c8f..52adc79298 100644
--- a/packages/server/src/utilities/schema.ts
+++ b/packages/server/src/utilities/schema.ts
@@ -2,6 +2,7 @@ import { FieldSubtype } from "@budibase/types"
 import { FieldTypes } from "../constants"
 import { ValidColumnNameRegex, utils } from "@budibase/shared-core"
 import { db } from "@budibase/backend-core"
+import { parseCsvExport } from "../api/controllers/view/exporters"
 
 interface SchemaColumn {
   readonly name: string
@@ -182,16 +183,22 @@ function isValidBBReference(
         return true
       }
 
-      if (!Array.isArray(columnData)) {
+      if (typeof columnData !== "string") {
+        return false
+      }
+
+      const castedData = parseCsvExport(columnData)
+
+      if (!Array.isArray(castedData)) {
         // It must be an array field
         return false
       }
 
-      if (columnSubtype === FieldSubtype.USER && columnData.length > 1) {
+      if (columnSubtype === FieldSubtype.USER && castedData.length > 1) {
         return false
       }
 
-      for (const d of columnData) {
+      for (const d of castedData) {
         if (!db.isGlobalUserID(d._id)) {
           return false
         }