[*] Record List - Fix filter is blank to also take into account null value (#284)

Author: VincentMolinie

CHANGELOG.md

@@ -1,6 +1,8 @@
 # Change Log
 
 ## [Unreleased]
+### Fixed
+- Record List - Fix filter is blank to also take into account null value.
 
 ## RELEASE 5.6.0 - 2020-01-07
 ### Changed

src/services/filters-parser.js

@@ -137,7 +137,7 @@ function FiltersParser(model, timezone, options) {
       case 'present':
         return { $exists: true };
       case 'blank':
-        return { $exists: false };
+        return null;
       case 'equal':
         return parseFct(value);
       case 'in':

test/tests/services/filters-parser.test.js

@@ -170,7 +170,7 @@ describe('service > filters-parser', () => {
           expect(await defaultParser.formatOperatorValue('name', 'not_equal', value)).toStrictEqual({ $ne: value });
           expect(await defaultParser.formatOperatorValue('name', 'present', value)).toStrictEqual({ $exists: true });
           expect(await defaultParser.formatOperatorValue('name', 'equal', value)).toStrictEqual(value);
-          expect(await defaultParser.formatOperatorValue('name', 'blank', value)).toStrictEqual({ $exists: false });
+          expect(await defaultParser.formatOperatorValue('name', 'blank', value)).toBeNull();
         });
 
         it('should raise an error on unknown operator', async () => {