From 3ce82329fc33e00f9e800a29572a82d971e9e0db Mon Sep 17 00:00:00 2001
From: Pranav C <pranavxc@gmail.com>
Date: Mon, 1 Aug 2022 11:40:11 +0530
Subject: [PATCH] feat(gui-v2): duplicate column name validation

Signed-off-by: Pranav C <pranavxc@gmail.com>
---
 .../composables/useColumnCreateStore.ts        | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/packages/nc-gui-v2/composables/useColumnCreateStore.ts b/packages/nc-gui-v2/composables/useColumnCreateStore.ts
index 34a0db6532..19fb681908 100644
--- a/packages/nc-gui-v2/composables/useColumnCreateStore.ts
+++ b/packages/nc-gui-v2/composables/useColumnCreateStore.ts
@@ -45,6 +45,24 @@ const [useProvideColumnCreateStore, useColumnCreateStore] = createInjectionState
           required: true,
           message: 'Column name is required',
         },
+        // validation for unique column name
+        {
+          validator: (rule: any, value: any, callback: (errMsg?: string) => void) => {
+            if (
+              meta.value?.columns?.some(
+                (c) =>
+                  c.id !== formState.value.id && // ignore current column
+                  // compare against column_name and title
+                  ((value || '').toLowerCase() === (c.column_name || '').toLowerCase() ||
+                    (value || '').toLowerCase() === (c.title || '').toLowerCase()),
+              )
+            ) {
+              callback('Duplicate column name')
+            }
+
+            callback()
+          },
+        },
       ],
       uidt: [
         {