PHPORM-209 Add query builder helper to set read preference

src/Query/Builder.php

@@ -28,6 +28,7 @@
 use MongoDB\Builder\Type\QueryInterface;
 use MongoDB\Builder\Type\SearchOperatorInterface;
 use MongoDB\Driver\Cursor;
+use MongoDB\Driver\ReadPreference;
 use Override;
 use RuntimeException;
 use stdClass;
@@ -102,7 +103,7 @@ class Builder extends BaseBuilder
     /**
      * The maximum amount of seconds to allow the query to run.
      *
-     * @var int
+     * @var int|float
      */
     public $timeout;
 
@@ -113,6 +114,8 @@ class Builder extends BaseBuilder
      */
     public $hint;
 
+    private ReadPreference $readPreference;
+
     /**
      * Custom options to add to the query.
      *
@@ -211,7 +214,7 @@ public function project($columns)
     /**
      * The maximum amount of seconds to allow the query to run.
      *
-     * @param  int $seconds
+     * @param  int|float $seconds
      *
      * @return $this
      */
@@ -454,7 +457,7 @@ public function toMql(): array
 
         // Apply order, offset, limit and projection
         if ($this->timeout) {
-            $options['maxTimeMS'] = $this->timeout * 1000;
+            $options['maxTimeMS'] = (int) ($this->timeout * 1000);
         }
 
         if ($this->orders) {
@@ -1534,6 +1537,24 @@ public function options(array $options)
         return $this;
     }
 
+    /**
+     * Set the read preference for the query
+     *
+     * @see https://www.php.net/manual/en/class.mongodb-driver-readpreference.php
+     *
+     * @param  string $mode
+     * @param  array  $tagSets
+     * @param  array  $options
+     *
+     * @return $this
+     */
+    public function readPreference(string $mode, ?array $tagSets = null, ?array $options = null): static
+    {
+        $this->readPreference = new ReadPreference($mode, $tagSets, $options);
+
+        return $this;
+    }
+
     /**
      * Performs a full-text search of the field or fields in an Atlas collection.
      * NOTE: $search is only available for MongoDB Atlas clusters, and is not available for self-managed deployments.
@@ -1642,6 +1663,10 @@ private function inheritConnectionOptions(array $options = []): array
             }
         }
 
+        if (! isset($options['readPreference']) && isset($this->readPreference)) {
+            $options['readPreference'] = $this->readPreference;
+        }
+
         return $options;
     }
 

tests/Query/BuilderTest.php

@@ -15,6 +15,7 @@
 use Mockery as m;
 use MongoDB\BSON\Regex;
 use MongoDB\BSON\UTCDateTime;
+use MongoDB\Driver\ReadPreference;
 use MongoDB\Laravel\Connection;
 use MongoDB\Laravel\Query\Builder;
 use MongoDB\Laravel\Query\Grammar;
@@ -1416,6 +1417,31 @@ function (Builder $elemMatchQuery): void {
             ['find' => [['embedded._id' => 1], []]],
             fn (Builder $builder) => $builder->where('embedded->id', 1),
         ];
+
+        yield 'options' => [
+            ['find' => [[], ['comment' => 'hello']]],
+            fn (Builder $builder) => $builder->options(['comment' => 'hello']),
+        ];
+
+        yield 'readPreference' => [
+            ['find' => [[], ['readPreference' => new ReadPreference(ReadPreference::SECONDARY_PREFERRED)]]],
+            fn (Builder $builder) => $builder->readPreference(ReadPreference::SECONDARY_PREFERRED),
+        ];
+
+        yield 'readPreference advanced' => [
+            ['find' => [[], ['readPreference' => new ReadPreference(ReadPreference::NEAREST, [['dc' => 'ny']], ['maxStalenessSeconds' => 120])]]],
+            fn (Builder $builder) => $builder->readPreference(ReadPreference::NEAREST, [['dc' => 'ny']], ['maxStalenessSeconds' => 120]),
+        ];
+
+        yield 'hint' => [
+            ['find' => [[], ['hint' => ['foo' => 1]]]],
+            fn (Builder $builder) => $builder->hint(['foo' => 1]),
+        ];
+
+        yield 'timeout' => [
+            ['find' => [[], ['maxTimeMS' => 2345]]],
+            fn (Builder $builder) => $builder->timeout(2.3456),
+        ];
     }
 
     #[DataProvider('provideExceptions')]