Don't check perms for every post moderation action

boards/templates/boards/base.html

@@ -28,6 +28,14 b''
       data-pow-difficulty="{{ pow_difficulty|safe }}"
       data-update-script="{% static 'js/updates.js' %}">
     <script src="{% static 'js/jquery-2.2.0.min.js' %}"></script>
+    <script>
+        var PERMS = {
+            'change_post': '{{ perms.boards.change_post }}' === 'True',
+            'delete_post': '{{ perms.boards.delete_post }}' === 'True',
+            'change_thread': '{{ perms.boards.change_thread }}' === 'True',
+            'delete_thread': '{{ perms.boards.delete_thread }}' === 'True'
+        }
+    </script>
 
     <header class="navigation_panel">
         <a class="link" href="{% url 'landing' %}">{{ site_name|safe }}</a>

boards/templates/boards/post.html

@@ -58,6 +58,16 b''
                     selector: '#{{ post.id }} .moderation-menu',
                     trigger: 'left',
                     build: function($trigger, e) {
+                        var body = $('body');
+
+                        var canEditPost = PERMS['change_post'];
+                        var canDeletePost = PERMS['delete_post'];
+                        var canEditThread = PERMS['change_thread'];
+                        var canDeleteThread = PERMS['delete_thread'];
+
+                        var isOpening = '{{ is_opening }}' === 'True';
+                        var hasIp = '{{ post.has_ip }}' === 'True';
+
                         return {
                             items: {
                                 edit: {
@@ -65,35 +75,35 b''
                                     callback: function(key, opt) {
                                         window.location = '{% url 'admin:boards_post_change' post.id %}';
                                     },
-                                    visible: {% if perms.boards.change_post %}true{% else %}false{% endif %}
+                                    visible: canEditPost
                                 },
                                 deletePost: {
                                     name: '{% trans "Delete post" %}',
                                     callback: function(key, opt) {
                                         window.location = '{% url 'admin:boards_post_delete' post.id %}';
                                     },
-                                    visible: {% if not is_opening and perms.boards.delete_post %}true{% else %}false{% endif %}
+                                    visible: !isOpening && canDeletePost
                                 },
                                 editThread: {
                                     name: '{% trans "Edit thread" %}',
                                     callback: function(key, opt) {
                                         window.location = '{% url 'admin:boards_thread_change' thread.id %}';
                                     },
-                                    visible: {% if is_opening and perms.boards.change_thread %}true{% else %}false{% endif %}
+                                    visible: isOpening && canEditThread
                                 },
                                 deleteThread: {
                                     name: '{% trans "Delete thread" %}',
                                     callback: function(key, opt) {
                                         window.location = '{% url 'admin:boards_thread_delete' thread.id %}';
                                     },
-                                    visible: {% if is_opening and perms.boards.delete_thread %}true{% else %}false{% endif %}
+                                    visible: isOpening && canDeleteThread
                                 },
                                 findByIp: {
                                     name: 'IP = {{ post.poster_ip }}',
                                     callback: function(key, opt) {
                                         window.location = '{% url "feed" %}?ip={{ post.poster_ip }}';
                                     },
-                                    visible: {% if post.has_ip %}true{% else %}false{% endif %}
+                                    visible: hasIp
                                 },
                                 raw: {
                                     name: 'RAW',
@@ -109,7 +119,7 b''
                                             window.location = '{% url 'utils' %}?method=ban&post_id={{ post.id }}';
                                         }
                                     },
-                                    visible: {% if post.has_ip %}true{% else %}false{% endif %}
+                                    visible: hasIp
                                 },
                                 banAndDelete: {
                                     name: '{% trans "Ban and delete" %}',
@@ -118,7 +128,7 b''
                                             window.location = '{% url 'utils' %}?method=ban_and_delete&post_id={{ post.id }}';
                                         }
                                     },
-                                    visible: {% if post.has_ip %}true{% else %}false{% endif %}
+                                    visible: hasIp && canDeletePost
                                 }
                             }
                         };