feat(nocodb): implement hasEmptyOrNullFilters

packages/nocodb/src/lib/meta/api/projectApis.ts

@@ -10,6 +10,7 @@ import syncMigration from '../helpers/syncMigration';
 import { IGNORE_TABLES } from '../../utils/common/BaseApiBuilder';
 import Column from '../../models/Column';
 import Model from '../../models/Model';
+import Filter from '../../models/Filter';
 import NcHelp from '../../utils/NcHelp';
 import Base from '../../models/Base';
 import NcConnectionMgrv2 from '../../utils/common/NcConnectionMgrv2';
@@ -497,6 +498,10 @@ export async function projectCost(req, res) {
   res.json({ cost });
 }
 
+export async function hasEmptyOrNullFilters(req, res) {
+  res.json(await Filter.hasEmptyOrNullFilters(req.params.projectId));
+}
+
 export default (router) => {
   router.get(
     '/api/v1/db/meta/projects/:projectId/info',
@@ -533,4 +538,9 @@ export default (router) => {
     metaApiMetrics,
     ncMetaAclMw(projectList, 'projectList')
   );
+  router.get(
+    '/api/v1/db/meta/projects/:projectId/has-empty-or-null-filters',
+    metaApiMetrics,
+    ncMetaAclMw(hasEmptyOrNullFilters, 'hasEmptyOrNullFilters')
+  );
 };

packages/nocodb/src/lib/models/Filter.ts

@@ -527,4 +527,42 @@ export default class Filter {
     }
     return filterObjs?.map((f) => new Filter(f));
   }
+
+  static async hasEmptyOrNullFilters(projectId: string, ncMeta = Noco.ncMeta) {
+    const emptyOrNullFilterObjs = await ncMeta.metaList2(
+      null,
+      null,
+      MetaTable.FILTER_EXP,
+      {
+        condition: {
+          project_id: projectId,
+        },
+        xcCondition: {
+          _or: [
+            {
+              comparison_op: {
+                eq: 'null',
+              },
+            },
+            {
+              comparison_op: {
+                eq: 'notnull',
+              },
+            },
+            {
+              comparison_op: {
+                eq: 'empty',
+              },
+            },
+            {
+              comparison_op: {
+                eq: 'notempty',
+              },
+            },
+          ],
+        },
+      }
+    );
+    return emptyOrNullFilterObjs.length > 0;
+  }
 }