Removed predis from composer.json

Added check on phpredis or predis availability

Author: rosamarsky

pkg/redis/RedisConnectionFactory.php

@@ -94,11 +94,17 @@ public function createContext(): Context
     private function createRedis(): Redis
     {
         if (false == $this->redis) {
-            if (in_array('predis', $this->config['scheme_extensions'], true)) {
-                $this->redis = new PRedis($this->config);
-            } elseif (in_array('phpredis', $this->config['scheme_extensions'], true)) {
+            if (in_array('phpredis', $this->config['scheme_extensions'], true)) {
+                if (false == class_exists(\Redis::class)) {
+                    throw new \LogicException('You must install the redis extension to use phpredis');
+                }
+
                 $this->redis = new PhpRedis($this->config);
             } else {
+                if (false == class_exists(\Predis\Client::class)) {
+                    throw new \LogicException('The package Predis must be installed');
+                }
+
                 $this->redis = new PRedis($this->config);
             }
 

pkg/redis/composer.json

@@ -8,8 +8,7 @@
     "require": {
         "php": "^7.1.3",
         "queue-interop/queue-interop": "0.7.x-dev",
-        "enqueue/dsn": "0.9.x-dev",
-        "predis/predis": "^1.1"
+        "enqueue/dsn": "0.9.x-dev"
     },
     "require-dev": {
         "phpunit/phpunit": "~5.4.0",