Context condition matching

Author: bajb

src/Condition.php

@@ -0,0 +1,7 @@
+<?php
+namespace Packaged\Context;
+
+interface Condition
+{
+  public function isSatisfied(Context $ctx);
+}

src/Conditions/ExpectEnvironment.php

@@ -0,0 +1,55 @@
+<?php
+namespace Packaged\Context\Conditions;
+
+use Packaged\Context\Condition;
+use Packaged\Context\Context;
+
+class ExpectEnvironment implements Condition
+{
+  protected $_environment;
+
+  public function __construct($environment)
+  {
+    $this->_environment = $environment;
+  }
+
+  public static function phpunit()
+  {
+    return new static(Context::ENV_PHPUNIT);
+  }
+
+  public static function local()
+  {
+    return new static(Context::ENV_LOCAL);
+  }
+
+  public static function dev()
+  {
+    return new static(Context::ENV_DEV);
+  }
+
+  public static function qa()
+  {
+    return new static(Context::ENV_QA);
+  }
+
+  public static function uat()
+  {
+    return new static(Context::ENV_UAT);
+  }
+
+  public static function stage()
+  {
+    return new static(Context::ENV_STAGE);
+  }
+
+  public static function prod()
+  {
+    return new static(Context::ENV_PROD);
+  }
+
+  public function isSatisfied(Context $ctx)
+  {
+    return $ctx->getEnvironment() == $this->_environment;
+  }
+}

src/Context.php

@@ -3,6 +3,7 @@
 
 use Packaged\Config\ConfigProviderInterface;
 use Packaged\Config\Provider\ConfigProvider;
+use Packaged\Context\Conditions\ExpectEnvironment;
 use Packaged\Event\Channel\Channel;
 use Packaged\Helpers\System;
 use Packaged\Http\Cookies\CookieJar;
@@ -93,24 +94,28 @@ public function setProjectRoot(string $root)
     return $this;
   }
 
+  /** @deprecated user matches(new ExpectEnvironment($env)) */
   public function isEnv(string $env)
   {
-    return $this->getEnvironment() === $env;
+    return $this->matches(new ExpectEnvironment($env));
   }
 
+  /** @deprecated user matches(ExpectEnvironment::local()) */
   public function isLocal()
   {
-    return $this->isEnv(static::ENV_LOCAL);
+    return $this->matches(ExpectEnvironment::local());
   }
 
+  /** @deprecated user matches(ExpectEnvironment::prod()) */
   public function isProd()
   {
-    return $this->isEnv(static::ENV_PROD);
+    return $this->matches(ExpectEnvironment::prod());
   }
 
+  /** @deprecated user matches(ExpectEnvironment::phpunit()) */
   public function isUnitTest()
   {
-    return $this->isEnv(static::ENV_PHPUNIT);
+    return $this->matches(ExpectEnvironment::phpunit());
   }
 
   public function getEnvironment(): string
@@ -303,6 +308,18 @@ public function parent($root = false): ?Context
     return $this->_parent;
   }
 
+  public function matches(Condition ...$condition): bool
+  {
+    foreach($condition as $cond)
+    {
+      if(!$cond->isSatisfied($this))
+      {
+        return false;
+      }
+    }
+    return true;
+  }
+
   public function __debugInfo()
   {
     return [