Elasticsearch 8.0 support

.github/workflows/test-application.yaml

@@ -16,18 +16,6 @@ jobs:
             fail-fast: false
             matrix:
                 include:
-                    - php-version: '7.1'
-                      lint: false
-                      symfony-version: '^2.8'
-
-                    - php-version: '7.2'
-                      lint: false
-                      symfony-version: '^3.4'
-
-                    - php-version: '7.3'
-                      lint: false
-                      symfony-version: '^4.4'
-
                     - php-version: '7.4'
                       lint: true
                       symfony-version: '^5.0'
@@ -38,7 +26,7 @@ jobs:
 
         services:
             elasticsearch:
-                image: elasticsearch:7.5.2
+                image: elasticsearch:8.0.0
                 ports:
                     - 9200:9200
                 env:

README.md

@@ -5,6 +5,7 @@ With some basic changes to support wider range of Symfony Versions.
 
 | Version | Supported Elasticsearch Version | Supported Symfony Version |
 |---------|---------------------------------|---------------------------|
+| 8.x     | ^8.0                            | ^5.0,                     |
 | 7.x     | ^7.0                            | ^5.0, ^4.0, ^3.4, ^2.8    |
 | 6.x     | ^6.0                            | ^5.0, ^4.0, ^3.4, ^2.8    |
 | 5.x     | ^5.0                            | ^5.0, ^4.0, ^3.4, ^2.8    |

composer.json

@@ -12,15 +12,19 @@
         {
             "name": "Handcrafted in the Alps Team",
             "homepage": "https://github.com/handcraftedinthealps/ElasticsearchDSL/graphs/contributors"
+        },
+        {
+            "name": "Haydar KULEKCI",
+            "homepage": "https://github.com/hkulekci/ElasticsearchDSL/graphs/contributors"
         }
     ],
     "require": {
-        "php": "^7.1|^8.0",
+        "php": "^7.4 || ^8.0",
         "symfony/serializer": "^2.8 || ^3.4 || ^4.0 || ^5.0",
-        "elasticsearch/elasticsearch": "^7.0"
+        "elasticsearch/elasticsearch": "^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7.26 || ^7.5.20 || ^8.0",
+        "phpunit/phpunit": "^5.7.26 || ^7.5.20 || ^8.0 || ^9.0",
         "squizlabs/php_codesniffer": "^2.0 || ^3.0"
     },
     "suggest": {

docs/Aggregation/Bucketing/DateHistogram.md

@@ -13,7 +13,7 @@ Example of expressions for interval: `year`, `quarter`, `month`, `week`, `day`,
         "articles_over_time" : {
             "date_histogram" : {
                 "field" : "date",
-                "interval" : "month"
+                "calendar_interval" : "month"
             }
         }
     }
@@ -42,7 +42,7 @@ to provide a custom format to the results of the query:
         "articles_over_time" : {
             "date_histogram" : {
                 "field" : "date",
-                "interval" : "1M",
+                "calendar_interval" : "1M",
                 "format" : "yyyy-MM-dd"
             }
         }
@@ -63,4 +63,4 @@ $search->addAggregation($dateHistogramAggregation);
 $queryArray = $search->toArray();
 
 ```
-[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-datehistogram-aggregation.html
+[1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-datehistogram-aggregation.html

src/Aggregation/Bucketing/DateHistogramAggregation.php

@@ -28,6 +28,16 @@ class DateHistogramAggregation extends AbstractAggregation
      */
     protected $interval;
 
+    /**
+     * @var string
+     */
+    protected $calendarInterval;
+
+    /**
+     * @var string
+     */
+    protected $fixedInterval;
+
     /**
      * @var string
      */
@@ -37,34 +47,76 @@ class DateHistogramAggregation extends AbstractAggregation
      * Inner aggregations container init.
      *
      * @param string $name
-     * @param string $field
-     * @param string $interval
+     * @param string|null $field
+     * @param string|null $interval
+     * @param string|null $format
      */
-    public function __construct($name, $field = null, $interval = null, $format = null)
+    public function __construct($name, string $field = null, string $interval = null, string $format = null)
     {
         parent::__construct($name);
 
         $this->setField($field);
-        $this->setInterval($interval);
+        $this->setCalendarInterval($interval);
         $this->setFormat($format);
     }
 
     /**
-     * @return int
+     * @return string
+     * @deprecated use getCalendarInterval instead
      */
     public function getInterval()
     {
-        return $this->interval;
+        return $this->calendarInterval;
     }
 
     /**
      * @param string $interval
+     * @deprecated use setCalendarInterval instead
      *
      * @return $this
      */
     public function setInterval($interval)
     {
-        $this->interval = $interval;
+        $this->setCalendarInterval($interval);
+
+        return $this;
+    }
+
+
+    /**
+     * @return string
+     */
+    public function getFixedInterval()
+    {
+        return $this->fixedInterval;
+    }
+
+    /**
+     * @param string $interval
+     * @return $this
+     */
+    public function setFixedInterval($interval)
+    {
+        $this->fixedInterval = $interval;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getCalendarInterval()
+    {
+        return $this->calendarInterval;
+    }
+
+    /**
+     * @param string $interval
+     * @return $this
+     */
+    public function setCalendarInterval($interval)
+    {
+        $this->calendarInterval = $interval;
 
         return $this;
     }
@@ -94,15 +146,20 @@ public function getType()
      */
     public function getArray()
     {
-        if (!$this->getField() || !$this->getInterval()) {
+        if (!$this->getField() || !($this->getCalendarInterval() || $this->getFixedInterval())) {
             throw new \LogicException('Date histogram aggregation must have field and interval set.');
         }
 
         $out = [
             'field' => $this->getField(),
-            'interval' => $this->getInterval(),
         ];
 
+        if ($this->getCalendarInterval()) {
+            $out['calendar_interval'] = $this->getCalendarInterval();
+        } elseif ($this->getFixedInterval()) {
+            $out['fixed_interval'] = $this->getFixedInterval();
+        }
+
         if (!empty($this->format)) {
             $out['format'] = $this->format;
         }

src/Aggregation/Metric/PercentilesAggregation.php

@@ -39,13 +39,18 @@ class PercentilesAggregation extends AbstractAggregation
      * Inner aggregations container init.
      *
      * @param string $name
-     * @param string $field
-     * @param array  $percents
-     * @param string $script
-     * @param int    $compression
+     * @param string|null $field
+     * @param array|null $percents
+     * @param string|null $script
+     * @param int|null $compression
      */
-    public function __construct($name, $field = null, $percents = null, $script = null, $compression = null)
-    {
+    public function __construct(
+        string $name,
+        string $field = null,
+        array $percents = null,
+        string $script = null,
+        int $compression = null
+    ) {
         parent::__construct($name);
 
         $this->setField($field);

src/BuilderBag.php

@@ -100,13 +100,13 @@ public function get($name)
      *
      * @return BuilderInterface[]
      */
-    public function all($type = null)
+    public function all(string $type = null)
     {
         return array_filter(
             $this->bag,
             /** @var BuilderInterface $builder */
-            function (BuilderInterface $builder) use ($type) {
-                return $type === null || $builder->getType() == $type;
+            static function (BuilderInterface $builder) use ($type) {
+                return $type === null || $builder->getType() === $type;
             }
         );
     }