1 files changed, 28 insertions, 1 deletions
diff --git a/src/application/templates/old/view_topic.twig b/src/application/templates/old/view_topic.twig
index 613de49..70d0d67 100644
--- a/src/application/templates/old/view_topic.twig
+++ b/src/application/templates/old/view_topic.twig
@@ -30,6 +30,12 @@
         or currentUser.hasPermission(permission("DELETE_OTHER_TOPIC"))
     ) %}
 
+{% set canSubscribe = currentUser is not null %}
+
+{% set isSubscribed =
+    currentUser is not null
+    and ctx.subscription is not null %}
+
 {% set title = ctx.topic.title %}
 {% extends "base.twig" %}
 
@@ -76,6 +82,16 @@
                         #}</form>
                     {%- endif -%}
                 {%- endif -%}
+                {%- if canSubscribe -%}
+                    <form action="?_action=subscribetopic" method="post" class="inline">{#
+                        #}<input type="hidden" name="topic" value="{{ ctx.topic.id }}">
+                        {%- if isSubscribed -%}
+                            <button type="submit" class="seamless m-r"><img src="/ui/theme-files/old/unsubscribe.gif" width="16" height="16" draggable="false" alt="{{ __("Unsubscribe from topic") }}"></button>
+                        {%- else -%}
+                            <button type="submit" class="seamless m-r"><img src="/ui/theme-files/old/subscribe.gif" width="16" height="16" draggable="false" alt="{{ __("Subscribe to topic") }}"></button>
+                        {%- endif -%}
+                    </form>
+                {%- endif -%}
                 {%- if canDelete -%}
                     <form action="?_action=deletetopic" method="post" class="inline">{#
                         #}<input type="hidden" name="topic" value="{{ ctx.topic.id }}">{#
@@ -87,7 +103,14 @@
         {{ __("Started by %user% on %date%", {
             "user": (ctx.topicAuthor is not null) ? ('<a href="?_action=viewuser&amp;user=' ~ ctx.topicAuthor.id|url_encode|e("html") ~ '">' ~ ctx.topicAuthor.displayName|e("html") ~ '</a>') : __("(deleted)"),
             "date": '<span class="_time">' ~ ctx.topic.creationDate.format("c")|e("html") ~ '</span>',
-        }) }}
+        }) }} &bull; {{ ___(
+            "%n% person is watching this topic",
+            "%n% people are watching this topic",
+            ctx.subscription_count,
+            {
+                n: ctx.subscription_count,
+            },
+        ) }}
     </div>
     {% if canEdit %}
         <form action="?_action=updatetopic" method="post" id="editHeading" style="display: none;" class="inline">
@@ -216,6 +239,10 @@ $(function() {
         }) }}</label><br>
         <input type="file" name="files[]" id="i_files" multiple accept="*/*"><br>
         <br>
+        {% if not isSubscribed %}
+            <label><input type="checkbox" name="subscribe" value="on" checked> {{ __("Subscribe to topic") }}</label><br>
+            <br>
+        {% endif %}
         <button type="submit">{{ __("Post reply") }}</button>
     </form>
 {% else %}