fix(region): fix filter error (#5390)

* fix(region): fix filter error

* test: add unit test

packages/core/client/src/filter-provider/__tests__/utiles.test.ts

@@ -167,6 +167,8 @@ describe('transformToFilter', () => {
     if (name === `${collectionName}.field1`) return {};
     if (name === `${collectionName}.field2`) return {};
     if (name === `${collectionName}.field3`) return { target: 'targetCollection', targetKey: 'id' };
+    if (name === `${collectionName}.chinaRegion`)
+      return { target: 'chinaRegions', targetKey: 'code', interface: 'chinaRegion' };
     return {};
   });
 
@@ -242,4 +244,27 @@ describe('transformToFilter', () => {
 
     expect(filter).toEqual(expectedFilter);
   });
+
+  it('should handle chinaRegion', () => {
+    const values = {
+      chinaRegion: [
+        {
+          code: '1',
+        },
+        {
+          code: '2',
+        },
+        {
+          code: '3',
+        },
+      ],
+    };
+    const expectedFilter = {
+      $and: [{ 'chinaRegion.code': { $eq: '3' } }],
+    };
+
+    const filter = transformToFilter(values, operators, getCollectionJoinField, collectionName);
+
+    expect(filter).toEqual(expectedFilter);
+  });
 });

packages/core/client/src/filter-provider/utils.ts

@@ -142,6 +142,10 @@ export const transformToFilter = (
         if (collectionField?.target) {
           value = getValuesByPath(value, collectionField.targetKey || 'id');
           key = `${key}.${collectionField.targetKey || 'id'}`;
+
+          if (collectionField?.interface === 'chinaRegion') {
+            value = _.last(value);
+          }
         }
 
         if (!value && value !== 0 && value !== false) {