time/date setting on Release Date and Due date

cms/djangoapps/contentstore/views.py

@@ -440,15 +440,28 @@ def save_item(request):
 
     # cdodge: also commit any metadata which might have been passed along in the
     # POST from the client, if it is there
-    # note, that the postback is not the complete metadata, as there's system metadata which is
+    # NOTE, that the postback is not the complete metadata, as there's system metadata which is
     # not presented to the end-user for editing. So let's fetch the original and
     # 'apply' the submitted metadata, so we don't end up deleting system metadata
     if request.POST['metadata']:
         posted_metadata = request.POST['metadata']
         # fetch original
         existing_item = modulestore().get_item(item_location)
+
+        logging.debug(posted_metadata)
+
         # update existing metadata with submitted metadata (which can be partial)
+        # IMPORTANT NOTE: if the client passed pack 'null' (None) for a piece of metadata that means 'remove it'
+        for metadata_key in posted_metadata.keys():
+            if posted_metadata[metadata_key] is None:
+                # remove both from passed in collection as well as the collection read in from the modulestore
+                del existing_item.metadata[metadata_key]
+                del posted_metadata[metadata_key]
+
+        # overlay the new metadata over the modulestore sourced collection to support partial updates
         existing_item.metadata.update(posted_metadata)
+
+        # commit to datastore
         modulestore().update_metadata(item_location, existing_item.metadata)
 
     return HttpResponse()

cms/static/js/base.js

@@ -60,6 +60,27 @@ function onUnitReordered() {
 	});
 }
 
+function getEdxTimeFromDateTimeInputs(date_id, time_id, format) {
+    var input_date = $('#'+date_id).val();
+    var input_time = $('#'+time_id).val();
+
+    var edxTimeStr = null;
+
+    if (input_date != '') {
+        if (input_time == '') 
+            input_time = '00:00';
+
+        // Note, we are using date.js utility which has better parsing abilities than the built in JS date parsing
+        date = Date.parse(input_date+" "+input_time);
+        if (format == null)
+            format = 'yyyy-MM-ddTHH:mm';
+
+        edxTimeStr = date.toString(format);
+    }
+
+    return edxTimeStr;
+}
+
 function saveSubsection(e) {
     e.preventDefault();
     
@@ -74,6 +95,15 @@ function saveSubsection(e) {
 	   metadata[$(el).data("metadata-name")] = el.value;
     } 
 
+    // OK, we have some metadata (namely 'Release Date' (aka 'start') and 'Due Date') which has been normalized in the UI
+    // we have to piece it back together. Unfortunate 'start' and 'due' use different string formatters. Rather than try to 
+    // replicate the string formatting which is used in the backend here in JS, let's just pass back a unified format
+    // and let the server re-format into the expected persisted format
+
+    metadata['start'] = getEdxTimeFromDateTimeInputs('start_date', 'start_time');
+    metadata['due'] = getEdxTimeFromDateTimeInputs('due_date', 'due_time', 'MMMM dd HH:mm');
+
+    // reordering is done through immediate callbacks when the resorting has completed in the UI
     children =[];
 
     $.ajax({

cms/templates/edit_subsection.html

 <%inherit file="base.html" />
 <%!
-   import time
+   from time import mktime
    import dateutil.parser
+   import logging
    from datetime import datetime
-
-   now = datetime.now()
 %>
 
 <%! from django.core.urlresolvers import reverse %>
@@ -32,7 +31,7 @@
 	  <label>Units:</label>
 	  ${units.enum_units(subsection)}
 	</div>
-	<div>
+	<div class='wip-box'>
 	  <label>Policy:</label>
 	  <textarea class="text-editor">Policy blah, blah, blah…</textarea>
 	</div>					
@@ -46,10 +45,13 @@
 	  <div class="scheduled-date-input row">
 	    <label>Release date:<!-- <span class="description">Determines when this subsection and the units within it will be released publicly.</span>--></label>
 	    <div class="datepair" data-language="javascript">
-	      <input type="text" value="${subsection.start.strftime('%Y-%m-%d') if subsection.start is not None else ''}" placeholder="MM/DD/YYYY" class="date" size='15'/>
-	      <input type="text" value="${subsection.start.strftime('%H:%M') if subsection.start is not None else ''}" placeholder="HH:MM" class="time" size='10'/> 
+	    	<%
+	    		start_time = datetime.fromtimestamp(mktime(subsection.start)) if subsection.start is not None else None
+	    	%>
+	      <input type="text" id="start_date" value="${start_time.strftime('%m/%d/%Y') if start_time is not None else ''}" placeholder="MM/DD/YYYY" class="date" size='15'/>
+	      <input type="text" id="start_time" value="${start_time.strftime('%H:%M') if start_time is not None else ''}" placeholder="HH:MM" class="time" size='10'/> 
 	    </div>
-	    <p class="notice">The date above differs from the release date of Week 1 – 10/10/2012 at 12:00 am. <a href="#" class="sync-date">Sync to Week 1.</a></p>
+	    <p class="notice wip-box">The date above differs from the release date of Week 1 – 10/10/2012 at 12:00 am. <a href="#" class="sync-date">Sync to Week 1.</a></p>
 	  </div>
 	<div class="due-date-input row">
 	  <label>Due date:</label>
@@ -57,10 +59,11 @@
 	  <div class="datepair date-setter">
 	    <p class="date-description">
 	      <%
-		 due_date = dateutil.parser.parse(subsection.metadata.get('get')) if 'due' in subsection.metadata else None
+	      	# due date uses it own formatting for stringifying the date. As with capa_module.py, there's a utility module available for us to use
+		 	due_date = dateutil.parser.parse(subsection.metadata.get('due')) if 'due' in subsection.metadata else None
 		  %>
-	      <input type="text" value="${due_date.strftime('%Y-%m-%d') if due_date is not None else ''}" placeholder="MM/DD/YYYY" class="date" size='15' /> 
-	      <input type="text" value="${due_date.strftime('%H:%M') if due_date is not None else ''}" placeholder="HH:MM" class="time" size='10' />
+	      <input type="text" id="due_date" value="${due_date.strftime('%Y-%m-%d') if due_date is not None else ''}" placeholder="MM/DD/YYYY" class="date" size='15' /> 
+	      <input type="text" id="due_time" value="${due_date.strftime('%H:%M') if due_date is not None else ''}" placeholder="HH:MM" class="time" size='10' />
 	      <a href="#" class="remove-date">Remove due date</a>
 	    </p>
 	  </div>
@@ -79,4 +82,14 @@
 <link rel="stylesheet" type="text/css" href="${static.url('js/vendor/timepicker/jquery.timepicker.css')}" />
 <script src="${static.url('js/vendor/timepicker/jquery.timepicker.js')}"></script>
 <script src="${static.url('js/vendor/timepicker/datepair.js')}"></script>
+<script src="${static.url('js/vendor/date.js')}"></script>
+<script type="text/javascript">
+	$(document).ready(function() {
+		if ($('#due_date').val() != '') {
+		    var $block = $('.set-date').closest('.due-date-input');
+		    $('.set-date').hide();
+		    $block.find('.date-setter').show();
+		}
+	})
+</script>
 </%block>

cms/templates/widgets/units.html

@@ -17,7 +17,7 @@ This def will enumerate through a passed in subsection and list all of the units
       <a href="${reverse('edit_unit', args=[unit.location])}" class="private-item">
         <span class="${unit.category}-icon"></span>
         ${unit.display_name}
-        <span class="private-tag">- private</span>
+        <span class="private-tag wip">- private</span>
       </a>
       % if actions:
       <div class="item-actions">