From 146b2311cf7b4f7aaf0f6efa7a1b287492f0cbce Mon Sep 17 00:00:00 2001
From: Jeremy Zhang <jkzhang@uw.edu>
Date: Wed, 9 Aug 2017 01:26:11 +0000
Subject: [PATCH] Support for dynamic default channel

---
 webapp/titanembeds/static/js/embed.js         | 27 +++++++++++--------
 .../templates/card_queryparams.html.j2        |  2 +-
 2 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/webapp/titanembeds/static/js/embed.js b/webapp/titanembeds/static/js/embed.js
index e0c78d7..d9801f9 100644
--- a/webapp/titanembeds/static/js/embed.js
+++ b/webapp/titanembeds/static/js/embed.js
@@ -18,7 +18,7 @@
     var fetchtimeout; // fetch routine timer
     var currently_fetching; // fetch lock- if true, do not fetch
     var last_message_id; // last message tracked
-    var selected_channel = guild_id; // user selected channel, defaults to #general channel
+    var selected_channel = null; // user selected channel
     var guild_channels = {}; // all server channels used to highlight channels in messages
     var emoji_store = {}; // all server emojis
     var times_fetched = 0; // kept track of how many times that it has fetched
@@ -315,7 +315,6 @@
         for (var i = 0; i < guildchannels.length; i++) {
             if (guildchannels[i].channel.id == defaultChannel) {
                 selected_channel = defaultChannel;
-                debugger;
                 return;
             }
         }
@@ -335,6 +334,7 @@
         var template = $('#mustache_channellistings').html();
         Mustache.parse(template);
         $("#channels-list").empty();
+        var curr_default_channel = selected_channel;
         for (var i = 0; i < channels.length; i++) {
             var chan = channels[i];
             guild_channels[chan.channel.id] = chan;
@@ -344,18 +344,23 @@
               $("#channel-" + chan.channel.id.toString()).click({"channel_id": chan.channel.id.toString()}, function(event) {
                   select_channel(event.data.channel_id);
               });
-              if (chan.channel.id == selected_channel) {
-                if (chan.write) {
-                  $("#messagebox").prop('disabled', false);
-                  $("#messagebox").prop('placeholder', "Enter message");
-                } else {
-                  $("#messagebox").prop('disabled', true);
-                  $("#messagebox").prop('placeholder', "Messages is disabled in this channel.");
-                }
-                $("#channeltopic").text(chan.channel.topic);
+              if (!selected_channel && (!curr_default_channel || chan.channel.position < curr_default_channel.channel.position)) {
+                  curr_default_channel = chan;
               }
             }
         }
+        if (typeof curr_default_channel == "object") {
+            selected_channel = curr_default_channel.channel.id;
+        }
+        var this_channel = guild_channels[selected_channel];
+        if (this_channel.write) {
+            $("#messagebox").prop('disabled', false);
+            $("#messagebox").prop('placeholder', "Enter message");
+        } else {
+            $("#messagebox").prop('disabled', true);
+            $("#messagebox").prop('placeholder', "Messages is disabled in this channel.");
+        }
+        $("#channeltopic").text(this_channel.channel.topic);
         $("#channel-"+selected_channel).parent().addClass("active");
     }
 
diff --git a/webapp/titanembeds/templates/card_queryparams.html.j2 b/webapp/titanembeds/templates/card_queryparams.html.j2
index d4e7bbd..7b26578 100644
--- a/webapp/titanembeds/templates/card_queryparams.html.j2
+++ b/webapp/titanembeds/templates/card_queryparams.html.j2
@@ -15,7 +15,7 @@
                     </li>
                     <li class="collection-item">
                       <strong>defaultchannel=&lt;snowflake&gt;</strong> <br>
-                      Instead of having your #general channel as the first channel your users see, you may change it. Enable Discord's Developer mode in the Appearances tab of the User Settings and copy the channel ID. <br>
+                      Instead of having the top channel as the first channel your users see, you may change it. Enable Discord's Developer mode in the Appearances tab of the User Settings and copy the channel ID. <br>
                       <em>Eg: defaultchannel=1234567890</em>
                     </li>
                     <li class="collection-item">