Fix support for % and _ in like expression

Author: GromNaN

CHANGELOG.md

@@ -11,6 +11,7 @@ All notable changes to this project will be documented in this file.
 - Throw an exception when `Query\Builder::orderBy()` is used with invalid direction [#7](https://github.com/GromNaN/laravel-mongodb-private/pull/7) by [@GromNaN](https://github.com/GromNaN).
 - Throw an exception when `Query\Builder::push()` is used incorrectly [#5](https://github.com/GromNaN/laravel-mongodb-private/pull/5) by [@GromNaN](https://github.com/GromNaN).
 - Remove public property `Query\Builder::$paginating` [#15](https://github.com/GromNaN/laravel-mongodb-private/pull/15) by [@GromNaN](https://github.com/GromNaN).
+- Fix support for `%` and `_` in `like` expression [#17](https://github.com/GromNaN/laravel-mongodb-private/pull/17) by [@GromNaN](https://github.com/GromNaN).
 - Remove `ilike` and `regexp` operators, use `like` and `regex` instead [#17](https://github.com/GromNaN/laravel-mongodb-private/pull/17) by [@GromNaN](https://github.com/GromNaN).
 
 ## [3.9.2] - 2022-09-01

src/Query/Builder.php

@@ -1073,8 +1073,12 @@ protected function compileWhereBasic(array $where): array
                 $operator = 'not';
             }
 
-            // Convert to regular expression.
-            $regex = preg_replace(['#(^|[^\\\])%#', '#(^|[^\\\])_#'], ['$1.*', '$1.'], preg_quote($value));
+            // Convert % and _ to regex, and unescape \% and \_
+            $regex = preg_replace(
+                ['#(^|[^\\\])%#', '#(^|[^\\\])_#', '#\\\\\\\(%|_)#'],
+                ['$1.*', '$1.', '$1'],
+                preg_quote($value),
+            );
             $value = new Regex('^'.$regex.'$', 'i');
         } // Manipulate regex operations.
         elseif (in_array($operator, ['regex', 'not regex'])) {

tests/Query/BuilderTest.php

@@ -450,6 +450,11 @@ function (Builder $builder) {
             fn (Builder $builder) => $builder->where('name', 'like', '^ac.me$'),
         ];
 
+        yield 'where like unescaped \% \_' => [
+            ['find' => [['name' => new Regex('^a%cm_e$', 'i')], []]],
+            fn (Builder $builder) => $builder->where('name', 'like', 'a\%cm\_e'),
+        ];
+
         yield 'where like %' => [
             ['find' => [['name' => new Regex('^.*ac.*me.*$', 'i')], []]],
             fn (Builder $builder) => $builder->where('name', 'like', '%ac%me%'),