Better Setting model which will lookup the settings and env

app/models/Setting.php

@@ -1,13 +1,44 @@
 <?php
 
+	use \BadConfigKeyException;
+
 	class Setting extends Eloquent {
-		public static function get($settingName) {
+		/**
+		 * Returns a setting from the database.
+		 * @param  string $settingName
+		 * @param  bool $checkEnv
+		 * @return string
+		 */
+		public static function get($settingName, $checkEnv = true) {
+			// Default setting value.
+			$setting = null;
+
+			// First try finding the setting in the database.
 			try {
-				$setting = self::where('name', $settingName)->first()->value;
-			} catch (ErrorException $e) {
-				$setting = null;
+				$setting = self::whereName($settingName)->first()->value;
+			} catch (\ErrorException $e) {
+				// If we don't have a setting, check the env (fallback for original version)
+				if ($checkEnv) {
+					if (!($setting = getenv(strtoupper($settingName)))) {
+						self::unknownSettingException($settingName);
+					}
+				} else {
+					self::unknownSettingException($settingName);
+				}
 			}
 
 			return $setting;
 		}
+
+		/**
+		 * Throws an BadConfigKeyException
+		 * @param  string $setting
+		 * @throws BadConfigKeyException
+		 * @return void
+		 */
+		public static function unknownSettingException($setting) {
+			throw new BadConfigKeyException(
+				sprintf('Unknown setting %s', $settingName)
+			);
+		}
 	}