Add autodetect of flashdata messages

Author: MGatner

bin/Alerts.php

@@ -24,4 +24,7 @@ class Alerts extends \Tatter\Alerts\Config\Alerts
 		foundation - [https://foundation.zurb.com/sites/docs/callout.html#making-closable]
 */
 	public $template = "Tatter\Alerts\Views\bootstrap";
+
+	// Whether to check session flashdata for common alert keys
+	public $getflash = true;
 }

src/Alerts.php

@@ -104,6 +104,26 @@ public function display()
 		// clear alerts
 		$this->session->remove($this->config->prefix . 'queue');
 
+		// Check for flashdata (if configured)
+		if ($this->config->getflash)
+		{
+			if ($message = $this->session->getFlashdata('message'))
+			{
+				$alerts[] = ['class' => 'info', 'text' => $message];
+			}
+			elseif ($error = $this->session->getFlashdata('error'))
+			{
+				$alerts[] = ['class' => 'danger', 'text' => $error];
+			}
+			elseif ($errors = $this->session->getFlashdata('errors'))
+			{
+				foreach ($errors as $error)
+				{
+					$alerts[] = ['class' => 'danger', 'text' => $error];
+				}
+			}
+		}
+
 		if (empty($alerts))
 			return;
 

src/Config/Alerts.php

@@ -9,4 +9,7 @@ class Alerts extends BaseConfig
 
 	// Template to use for HTML output
 	public $template = "Tatter\Alerts\Views\bootstrap";
+
+	// Whether to check session flashdata for common alert keys
+	public $getflash = true;
 }