Added/fixed a filtering option "contains string" for String fields. (#724)

* Added/fixed a filtering option "contains string" for String fields. Case insensitive for now.

* Added a new constraint 'stringContainsString' for string queries to avoid changing how array queries work.

Author: ssamuli

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### NEXT RELEASE
 
 * _Contributing to this repo? Add info about your change here to be included in next release_
+* Improvement: Added/fixed a filtering option "contains string" for String fields. Case insensitive for now.
 
 ### 1.0.27
 * Improvement: Show notifications upon success or failure of save and delete objects (#718), thanks to [Natan Rolnik](https://github.com/natanrolnik)

src/lib/Filters.js

@@ -48,6 +48,11 @@ export const Constraints = {
   ends: {
     name: 'ends with',
   },
+  stringContainsString: {
+    name: 'string contains string',
+    field: 'String',
+    composable: true,
+  },
   before: {
     name: 'is before',
     field: 'Date',
@@ -92,7 +97,7 @@ export const FieldConstraints = {
   'Pointer': [ 'exists', 'dne', 'eq', 'neq'],
   'Boolean': [ 'exists', 'dne', 'eq' ],
   'Number': [ 'exists', 'dne', 'eq', 'neq', 'lt', 'lte', 'gt', 'gte' ],
-  'String': [ 'exists', 'dne', 'eq', 'neq', 'starts', 'ends' ],
+  'String': [ 'exists', 'dne', 'eq', 'neq', 'starts', 'ends', 'stringContainsString' ],
   'Date': [ 'exists', 'dne', 'before', 'after' ],
   'Array': [
     'exists',

src/lib/queryFromFilters.js

@@ -70,6 +70,9 @@ function addConstraint(query, filter) {
     case 'containedIn':
       query.containedIn(filter.get('field'), filter.get('array'));
       break;
+    case 'stringContainsString':
+      query.matches(filter.get('field'), filter.get('compareTo'), 'i');
+      break;
   }
   return query;
 }