Merge pull request #57 from AbdullahFaqeir/master

- Added exists() method to Collection.

Author: AbdullahFaqeir

examples/collection_operations.php

@@ -76,6 +76,10 @@
     );
     echo "--------Create Collection-------\n";
     echo "\n";
+    echo "--------Check if Collection exists-------\n";
+    print_r($client->collections['books']->exists());
+    echo "--------Check if Collection exists-------\n";
+    echo "\n";
     echo "--------Retrieve Collection-------\n";
     print_r($client->collections['books']->retrieve());
     echo "--------Retrieve Collection-------\n";

src/Collection.php

@@ -14,7 +14,6 @@
  */
 class Collection
 {
-
     /**
      * @var string
      */
@@ -40,10 +39,15 @@ class Collection
      */
     public Synonyms $synonyms;
 
+    /**
+     * @var bool|null
+     */
+    private ?bool $exists = null;
+
     /**
      * Collection constructor.
      *
-     * @param string $name
+     * @param string  $name
      * @param ApiCall $apiCall
      */
     public function __construct(string $name, ApiCall $apiCall)
@@ -87,6 +91,23 @@ public function getSynonyms(): Synonyms
         return $this->synonyms;
     }
 
+    /**
+     * @return bool|null
+     */
+    public function exists(): ?bool
+    {
+        if ($this->exists === null) {
+            try {
+                $this->retrieve();
+                $this->exists = true;
+            } catch (TypesenseClientError | HttpClientException $e) {
+                $this->exists = false;
+            }
+        }
+
+        return $this->exists;
+    }
+
     /**
      * @return array
      * @throws TypesenseClientError|HttpClientException