From 669bd8688ef71fe159f1bec11c50c2deef855a6b Mon Sep 17 00:00:00 2001
From: Teppo Kurki <teppo.kurki@iki.fi>
Date: Sat, 19 Nov 2016 19:09:52 +0200
Subject: [PATCH] Add a save-and-restart hook for plugins

---
 lib/interfaces/plugins.js | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/lib/interfaces/plugins.js b/lib/interfaces/plugins.js
index bb4bb97ad..9dd86f5ec 100644
--- a/lib/interfaces/plugins.js
+++ b/lib/interfaces/plugins.js
@@ -100,9 +100,20 @@ function registerPlugin(app, pluginName) {
   debug('Registering plugin ' + pluginName)
   const plugin = require(pluginName)(app)
   const options = getPluginOptions(plugin.id)
+  const restart = (newConfiguration) => {
+    const pluginOptions = getPluginOptions(plugin.id)
+    pluginOptions.configuration = newConfiguration
+    fs.writeFile(pathForPluginId(plugin.id), JSON.stringify(pluginOptions, null, 2), function(err) {
+      if(err) {
+        console.error(err)
+      }
+      plugin.stop()
+      plugin.start(newConfiguration, restart)
+    })
+  }
   if (options && options.enabled) {
     debug('Starting plugin ' + pluginName)
-    plugin.start(getPluginOptions(plugin.id).configuration)
+    plugin.start(getPluginOptions(plugin.id).configuration, restart)
   }
   app.plugins.push(plugin)
 
@@ -125,11 +136,11 @@ function registerPlugin(app, pluginName) {
         return
       }
       res.send("Saved configuration for plugin " + plugin.id)
+      plugin.stop()
+      if (req.body && req.body.enabled) {
+        plugin.start(req.body.configuration, restart)
+      }
     });
-    plugin.stop()
-    if (req.body && req.body.enabled) {
-      plugin.start(req.body.configuration)
-    }
   })
   if(typeof plugin.registerWithRouter != 'undefined') {
     plugin.registerWithRouter(router)