feat: Add filter starts with in data browser for fields of type Pointer (parse-community#2553)

Co-authored-by: Manuel <[email protected]>

Author: devbymak

src/lib/Filters.js

@@ -166,7 +166,7 @@ export const Constraints = {
 };
 
 export const FieldConstraints = {
-  Pointer: ['exists', 'dne', 'eq', 'neq', 'unique'],
+  Pointer: ['exists', 'dne', 'eq', 'neq', 'starts', 'unique'],
   Boolean: ['exists', 'dne', 'eq', 'unique'],
   Number: ['exists', 'dne', 'eq', 'neq', 'lt', 'lte', 'gt', 'gte', 'unique'],
   String: ['exists', 'dne', 'eq', 'neq', 'starts', 'ends', 'stringContainsString', 'unique'],

src/lib/queryFromFilters.js

@@ -28,6 +28,12 @@ function addQueryConstraintFromObject(query, filter, constraintType) {
   }
 }
 
+function isPointer(value) {
+  return (
+    typeof value === 'object' && value.hasOwnProperty('__type') && value['__type'] === 'Pointer'
+  );
+}
+
 function addConstraint(query, filter) {
   switch (filter.get('constraint')) {
     case 'exists':
@@ -55,7 +61,15 @@ function addConstraint(query, filter) {
       query.greaterThanOrEqualTo(filter.get('field'), filter.get('compareTo'));
       break;
     case 'starts':
-      query.startsWith(filter.get('field'), filter.get('compareTo'));
+      const field = filter.get('field');
+      const compareTo = filter.get('compareTo');
+      if (isPointer(compareTo)) {
+        const porinterQuery = new Parse.Query(compareTo.className);
+        porinterQuery.startsWith('objectId', compareTo.objectId);
+        query.matchesQuery(field, porinterQuery);
+      } else {
+        query.startsWith(field, compareTo);
+      }
       break;
     case 'ends':
       query.endsWith(filter.get('field'), filter.get('compareTo'));