From ad92a452948ebf48ff3f867c2b6c914796a5f987 Mon Sep 17 00:00:00 2001
From: Guillermo Pages <mail@guillermo.at>
Date: Mon, 30 Aug 2021 17:52:45 +0200
Subject: [PATCH] feat: add DotEnv class

---
 src/Utils/Configuration/Configuration.php    | 14 +++----
 src/Utils/DotEnv.php                         | 39 ++++++++++++++++++++
 src/Utils/WhichEnv/WhichEnvRuleInterface.php |  2 +-
 3 files changed, 47 insertions(+), 8 deletions(-)
 create mode 100644 src/Utils/DotEnv.php

diff --git a/src/Utils/Configuration/Configuration.php b/src/Utils/Configuration/Configuration.php
index 1838f2a..a80ba68 100644
--- a/src/Utils/Configuration/Configuration.php
+++ b/src/Utils/Configuration/Configuration.php
@@ -31,9 +31,9 @@ class Configuration {
     private $values = array();
 
     /**
-     * 
+     *
      */
-    private function __construct() 
+    private function __construct()
     {
         if (!isset($this->values['session'])) {
             $this->values['session'] = array();
@@ -47,7 +47,7 @@ class Configuration {
             $this->loadConfigFromFile();
         }
     }
-    
+
     /**
      * The path to the file including file name
      * @param string $filePath
@@ -131,8 +131,8 @@ class Configuration {
      * Checks whether the nested key exists
      *
      * @param array $data
-     * @param array $keys 
-     * @return boolean 
+     * @param array $keys
+     * @return boolean
      */
     public static function existsKeys(array $data, array $keys)
     {
@@ -147,9 +147,9 @@ class Configuration {
 
     /**
      * @param array $data
-     * @param array $keys 
+     * @param array $keys
      * @param any $default
-     * @return boolean 
+     * @return boolean
      */
     public static function fetchRecursive(array $data, array $keys, $default = null)
     {
diff --git a/src/Utils/DotEnv.php b/src/Utils/DotEnv.php
new file mode 100644
index 0000000..17d801a
--- /dev/null
+++ b/src/Utils/DotEnv.php
@@ -0,0 +1,39 @@
+<?php
+namespace Bsr\Utils;
+
+class DotEnv {
+
+  public static function loadFromFile($filepath) {
+    if (!file_exists($filepath)) {
+      throw new \Exception('Cannot find file');
+    }
+    $contents = file_get_contents($filepath);
+    $lines = explode(PHP_EOL, $contents);
+    $envvars = array_reduce($lines, function ($vars, $line) {
+      $parts = explode('=', $line);
+      $partsCount = count($parts);
+      if ($partsCount === 1 && strlen($parts[0]) <= 0) {
+        return $vars;
+      }
+      [$varname, $value] = $partsCount === 1
+        ? [$parts[0], '']
+        : ($partsCount > 2
+          ? [$parts[0], implode('=', array_slice($parts, 1))]
+          : $parts
+        );
+      $vars[$varname] = $value;
+      return $vars;
+    }, []);
+    return $envvars;
+  }
+
+  public static function MUTATE_SERVER_addEnvVars(array $variables) {
+    $_SERVER = array_merge($_SERVER, $variables);
+  }
+
+  public static function load(string $rootDir) {
+    $envvars = self::loadFromFile($rootDir . DIRECTORY_SEPARATOR . '.env');
+    self::MUTATE_SERVER_addEnvVars($envvars);
+  }
+
+}
\ No newline at end of file
diff --git a/src/Utils/WhichEnv/WhichEnvRuleInterface.php b/src/Utils/WhichEnv/WhichEnvRuleInterface.php
index 82fb440..17e4bac 100644
--- a/src/Utils/WhichEnv/WhichEnvRuleInterface.php
+++ b/src/Utils/WhichEnv/WhichEnvRuleInterface.php
@@ -2,7 +2,7 @@
 namespace Bsr\Utils\WhichEnv;
 
 /**
- * 
+ *
  */
 interface WhichEnvRuleInterface {
     /**