Plugin system: allow plugins to provide custom routes

  - each route will be prefixed by `/plugin/<plugin_name>`
  - add a new template for plugins rendering
  - add a live example in the demo_plugin

Check out the "Plugin System" documentation for more detail.

Related to #143

1 files changed, 26 insertions, 0 deletions

diff --git a/application/plugin/exception/PluginInvalidRouteException.php b/application/plugin/exception/PluginInvalidRouteException.php
new file mode 100644
index 00000000..6ba9bc43
--- /dev/null
+++ b/application/plugin/exception/PluginInvalidRouteException.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Plugin\Exception;
+
+use Exception;
+
+/**
+ * Class PluginFileNotFoundException
+ *
+ * Raise when plugin files can't be found.
+ */
+class PluginInvalidRouteException extends Exception
+{
+    /**
+     * Construct exception with plugin name.
+     * Generate message.
+     *
+     * @param string $pluginName name of the plugin not found
+     */
+    public function __construct()
+    {
+        $this->message = 'trying to register invalid route.';
+    }
+}