From 11d94ecba884511517caf267b7985a2cbd4bf764 Mon Sep 17 00:00:00 2001
From: Ludovic Stephan <ludovic.stephan@ens.fr>
Date: Tue, 15 Sep 2020 16:33:41 +0200
Subject: [PATCH] Fix `this` shenanigans

---
 kfet/open/static/kfetopen/kfet-open.js | 35 +++++++++++++-------------
 1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/kfet/open/static/kfetopen/kfet-open.js b/kfet/open/static/kfetopen/kfet-open.js
index 74f18d8a..6b7b48a8 100644
--- a/kfet/open/static/kfetopen/kfet-open.js
+++ b/kfet/open/static/kfetopen/kfet-open.js
@@ -2,7 +2,7 @@ var OpenWS = new KfetWebsocket({
     relative_url: "open/"
 });
 
-var OpenKfet = function(force_close_url, admin) {
+var OpenKfet = function (force_close_url, admin) {
     this.force_close_url = force_close_url;
     this.admin = admin;
 
@@ -13,9 +13,9 @@ var OpenKfet = function(force_close_url, admin) {
         warning: $('.kfetopen .warning')
     },
 
-    this.dom.force_close_btn.click( () => this.toggle_force_close() );
-    setInterval( () => this.refresh(), this.refresh_interval * 1000);
-    OpenWS.add_handler( data => this.refresh(data) );
+        this.dom.force_close_btn.click(() => this.toggle_force_close());
+    setInterval(() => this.refresh(), this.refresh_interval * 1000);
+    OpenWS.add_handler(data => this.refresh(data));
 
 };
 
@@ -53,7 +53,7 @@ OpenKfet.prototype = {
         return this.last_update && moment().diff(this.last_update, 'minute') <= this.time_unknown;
     },
 
-    refresh: function(data) {
+    refresh: function (data) {
         if (data) {
             $.extend(this, data);
             this.last_update = moment();
@@ -63,7 +63,7 @@ OpenKfet.prototype = {
         this.refresh_dom();
     },
 
-    refresh_dom: function() {
+    refresh_dom: function () {
         let status = this.status;
         this.clear_class();
 
@@ -83,31 +83,32 @@ OpenKfet.prototype = {
         }
     },
 
-    toggle_force_close: function(password) {
+    toggle_force_close: function (password) {
         $.post({
+            context: this,
             url: this.force_close_url,
-            data: {force_close: !this.force_close},
+            data: { force_close: !this.force_close },
             beforeSend: function ($xhr) {
                 $xhr.setRequestHeader("X-CSRFToken", csrftoken);
                 if (password !== undefined)
                     $xhr.setRequestHeader("KFetPassword", password);
             }
         })
-        .fail(function($xhr) {
-            switch ($xhr.status) {
-            case 403:
-                requestAuth({'errors': {}}, this.toggle_force_close);
-                break;
-            }
-        });
+            .fail(function ($xhr) {
+                switch ($xhr.status) {
+                    case 403:
+                        requestAuth({ 'errors': {} }, this.toggle_force_close.bind(this));
+                        break;
+                }
+            });
     },
 
-    clear_class: function() {
+    clear_class: function () {
         let re = new RegExp('(^|\\s)' + this.class_prefix + '\\S+', 'g');
         $(this.target).attr('class', (i, c) => c ? c.replace(re, '') : '');
     },
 
-    add_class: function(status) {
+    add_class: function (status) {
         $(this.target).addClass(this.class_prefix + status);
     }
 };