Add /defaults to thrimshim, use it to populate config stuff in thrimbletrimmer

Thrimbletrimmer needs to know stuff like the bustime start time,
default channel, even if it's not looking at a specific row.

thrimbletrimmer/index.html

@@ -41,8 +41,8 @@
             </tr>
             <tr>
                 <td><input id="StreamName" value="desertbus" /></td>
-                <td><input id="StreamStart" style="display:none;" class="UTCTimeInput" value="" /><input id="BusTimeStart" class="BusTimeInput" value="0:00" /></td>
-                <td><input id="StreamEnd" style="display:none;" class="UTCTimeInput" value="" /><input id="BusTimeEnd" class="BusTimeInput" value="1:00" /></td>
+                <td><input id="StreamStart" style="display:none;" class="UTCTimeInput" value="" /><input id="BusTimeStart" class="BusTimeInput" value="0:00:00" /></td>
+                <td><input id="StreamEnd" style="display:none;" class="UTCTimeInput" value="" /><input id="BusTimeEnd" class="BusTimeInput" value="0:00:00" /></td>
                 <td><input type="button" value="Load Playlist" onclick="loadPlaylist()" /></td>
             </tr>
             <tr>

thrimbletrimmer/scripts/IO.js

@@ -41,9 +41,18 @@ pageSetup = function() {
     else {
         document.getElementById('SubmitButton').disabled = true;
 
-        var startOfHour = new Date(new Date().setMinutes(0,0,0));
-        document.getElementById("StreamStart").value = new Date(startOfHour.getTime() - 1000*60*60).toISOString().substring(0,19);
-        document.getElementById("StreamEnd").value = startOfHour.toISOString().substring(0,19);
+        fetch("/thrimshim/defaults").then(data => data.json()).then(function (data) {
+            desertBusStart = new Date(data.bustime_start);
+            document.getElementById("VideoTitlePrefix").value = data.title_prefix;
+            document.getElementById("VideoTitle").setAttribute("maxlength", data.title_max_length);
+            document.getElementById("StreamName").value = data.video_channel;
+            setOptions('uploadLocation', data.upload_locations);
+
+            // Default time range to the last 10min. This is useful for giffers, immediate replay, etc.
+            document.getElementById("StreamStart").value = new Date(new Date().getTime() - 1000*60*10).toISOString().substring(0,19);
+            document.getElementById("StreamEnd").value = new Date().toISOString().substring(0,19);
+            setBustimeRange();
+        });
 
         loadPlaylist();
     }

thrimshim/thrimshim/main.py

@@ -120,6 +120,19 @@ def get_all_rows():
 	return json.dumps(rows)
 
 
+@app.route('/thrimshim/defaults')
+@request_stats
+def get_defaults():
+	"""Get default info needed by thrimbletrimmer when not loading a specific row."""
+	return json.dumps({
+		"video_channel": app.default_channel,
+		"bustime_start": app.bustime_start,
+		"title_prefix": app.title_header,
+		"title_max_length": MAX_TITLE_LENGTH - len(app.title_header),
+		"upload_locations": app.upload_locations,
+	})
+
+
 @app.route('/thrimshim/<uuid:ident>', methods=['GET'])
 @request_stats
 def get_row(ident):