Allow custom formatting of due date strings.

STUD-724

Test course for allowing custom formatting of due date strings.

STUD-724

Try making the name of the course match the folder name.

More cleanup.

More cleanup.

updates.

common/lib/xmodule/xmodule/course_module.py

@@ -338,6 +338,10 @@ class CourseFields(object):
         ])
     info_sidebar_name = String(scope=Scope.settings, default='Course Handouts')
     show_timezone = Boolean(help="True if timezones should be shown on dates in the courseware", scope=Scope.settings, default=True)
+    due_date_display_format = String(
+        help="Format supported by strftime for displaying due dates. Takes precedence over show_timezone.",
+        scope=Scope.settings, default=None
+    )
     enrollment_domain = String(help="External login method associated with user accounts allowed to register in course",
                                scope=Scope.settings)
     course_image = String(

common/lib/xmodule/xmodule/tests/test_date_utils.py

@@ -1,7 +1,7 @@
 """Tests for xmodule.util.date_utils"""
 
 from nose.tools import assert_equals, assert_false  # pylint: disable=E0611
-from xmodule.util.date_utils import get_default_time_display, almost_same_datetime
+from xmodule.util.date_utils import get_default_time_display, get_time_display, almost_same_datetime
 from datetime import datetime, timedelta, tzinfo
 from pytz import UTC
 
@@ -33,6 +33,28 @@ def test_get_default_time_display_notz():
         get_default_time_display(test_time, False))
 
 
+def test_get_time_display_return_empty():
+    assert_equals("", get_time_display(None))
+    test_time = datetime(1992, 3, 12, 15, 3, 30, tzinfo=UTC)
+    assert_equals("", get_time_display(test_time, ""))
+
+
+def test_get_time_display():
+    test_time = datetime(1992, 3, 12, 15, 3, 30, tzinfo=UTC)
+    assert_equals("dummy text", get_time_display(test_time, 'dummy text'))
+    assert_equals("Mar 12 1992", get_time_display(test_time, '%b %d %Y', True))
+    assert_equals("Mar 12 1992 UTC", get_time_display(test_time, '%b %d %Y %Z', False))
+    assert_equals("Mar 12 15:03", get_time_display(test_time, '%b %d %H:%M', False))
+
+
+def test_get_time_pass_through():
+    test_time = datetime(1992, 3, 12, 15, 3, 30, tzinfo=UTC)
+    assert_equals("Mar 12, 1992 at 15:03 UTC", get_time_display(test_time))
+    assert_equals("Mar 12, 1992 at 15:03", get_time_display(test_time, None, False))
+    assert_equals("Mar 12, 1992 at 15:03", get_time_display(test_time, "%", False))
+    assert_equals("Mar 12, 1992 at 15:03 UTC", get_time_display(test_time, "%", True))
+
+
 # pylint: disable=W0232
 class NamelessTZ(tzinfo):
     """Static timezone for testing"""

common/lib/xmodule/xmodule/util/date_utils.py

@@ -30,6 +30,25 @@ def get_default_time_display(dt, show_timezone=True):
         at=_(u"at"), tz=timezone).strip()
 
 
+def get_time_display(dt, format_string=None, show_timezone=True):
+    """
+    Converts a datetime to a string representation.
+
+    If None is passed in for dt, an empty string will be returned.
+    If the format_string is None, or if format_string is improperly
+    formatted, this method will return the value from `get_default_time_display`
+    (passing in the show_timezone argument).
+    If the format_string is specified, show_timezone is ignored.
+    format_string should be a unicode string that is a valid argument for datetime's strftime method.
+    """
+    if dt is None or format_string is None:
+        return get_default_time_display(dt, show_timezone)
+    try:
+        return unicode(dt.strftime(format_string))
+    except ValueError:
+        return get_default_time_display(dt, show_timezone)
+
+
 def almost_same_datetime(dt1, dt2, allowed_delta=timedelta(minutes=1)):
     """
     Returns true if these are w/in a minute of each other. (in case secs saved to db

common/test/data/due_date/about/overview.html

@@ -0,0 +1,47 @@
+<section class="about">
+  <h2>About This Course</h2>
+  <p>Include your long course description here. The long course description should contain 150-400 words.</p>
+
+  <p>This is paragraph 2 of the long course description. Add more paragraphs as needed. Make sure to enclose them in paragraph tags.</p>
+</section>
+
+<section class="prerequisites">
+  <h2>Prerequisites</h2>
+  <p>Add information about course prerequisites here.</p>
+</section>
+
+<section class="course-staff">
+  <h2>Course Staff</h2>
+  <article class="teacher">
+    <div class="teacher-image">
+      <img src="/static/images/pl-faculty.png" align="left" style="margin:0 20 px 0">
+    </div>
+
+    <h3>Staff Member #1</h3>
+    <p>Biography of instructor/staff member #1</p>
+  </article>
+
+  <article class="teacher">
+    <div class="teacher-image">
+      <img src="/static/images/pl-faculty.png" align="left" style="margin:0 20 px 0">
+    </div>
+
+    <h3>Staff Member #2</h3>
+    <p>Biography of instructor/staff member #2</p>
+  </article>
+</section>
+
+<section class="faq">
+  <section class="responses">
+    <h2>Frequently Asked Questions</h2>
+    <article class="response">
+      <h3>Do I need to buy a textbook?</h3>
+      <p>No, a free online version of Chemistry: Principles, Patterns, and Applications, First Edition by Bruce Averill and Patricia Eldredge will be available, though you can purchase a printed version (published by FlatWorld Knowledge) if you’d like.</p>
+    </article>
+
+    <article class="response">
+      <h3>Question #2</h3>
+      <p>Your answer would be displayed here.</p>
+    </article>
+  </section>
+</section>

common/test/data/due_date/chapter/c8ee0db7e5a84c85bac80b7013cf6512.xml

@@ -0,0 +1,3 @@
+<chapter display_name="Section">
+  <sequential url_name="c804fa32227142a1bd9d5bc183d4a20d"/>
+</chapter>

common/test/data/due_date/course.xml

@@ -0,0 +1 @@
+<course url_name="2013_fall" org="edX" course="due_date"/>

common/test/data/due_date/course/2013_fall.xml

@@ -0,0 +1,3 @@
+<course display_name="due_date">
+  <chapter url_name="c8ee0db7e5a84c85bac80b7013cf6512"/>
+</course>

common/test/data/due_date/policies/2013_fall/grading_policy.json

@@ -0,0 +1 @@
+{"GRADER": [{"short_label": "HW", "min_count": 12, "type": "Homework", "drop_count": 2, "weight": 0.15}, {"min_count": 12, "type": "Lab", "drop_count": 2, "weight": 0.15}, {"short_label": "Midterm", "min_count": 1, "type": "Midterm Exam", "drop_count": 0, "weight": 0.3}, {"short_label": "Final", "min_count": 1, "type": "Final Exam", "drop_count": 0, "weight": 0.4}], "GRADE_CUTOFFS": {"Pass": 0.5}}

common/test/data/due_date/policies/2013_fall/policy.json

@@ -0,0 +1 @@
+{"course/2013_fall": {"tabs": [{"type": "courseware"}, {"type": "course_info", "name": "Course Info"}, {"type": "textbooks"}, {"type": "discussion", "name": "Discussion"}, {"type": "wiki", "name": "Wiki"}, {"type": "progress", "name": "Progress"}], "display_name": "due_date", "discussion_topics": {"General": {"id": "i4x-edX-due_date-course-2013_fall"}}}}

common/test/data/due_date/problem/d392c80f5c044e45a4a5f2d62f94efc5.xml

@@ -0,0 +1,23 @@
+<problem display_name="Multiple Choice" markdown="A multiple choice problem presents radio buttons for student input. Students can only select a single &#10;option presented. Multiple Choice questions have been the subject of many areas of research due to the early &#10;invention and adoption of bubble sheets.&#10;&#10;One of the main elements that goes into a good multiple choice question is the existence of good distractors. &#10;That is, each of the alternate responses presented to the student should be the result of a plausible mistake &#10;that a student might make.&#10;&#10;What Apple device competed with the portable CD player?&#10;     ( ) The iPad&#10;     ( ) Napster&#10;     (x) The iPod&#10;     ( ) The vegetable peeler&#10;     &#10;[explanation]&#10;The release of the iPod allowed consumers to carry their entire music library with them in a &#10;format that did not rely on fragile and energy-intensive spinning disks.&#10;[explanation]&#10;">
+<p>
+A multiple choice problem presents radio buttons for student
+input. Students can only select a single option presented. Multiple Choice questions have been the subject of many areas of research due to the early invention and adoption of bubble sheets.</p>
+<p> One of the main elements that goes into a good multiple choice question is the existence of good distractors. That is, each of the alternate responses presented to the student should be the result of a plausible mistake that a student might make. 
+</p>
+
+<p>What Apple device competed with the portable CD player?</p>
+    <multiplechoiceresponse>
+     <choicegroup type="MultipleChoice">
+        <choice correct="false" name="ipad">The iPad</choice>
+        <choice correct="false" name="beatles">Napster</choice>
+        <choice correct="true" name="ipod">The iPod</choice>
+        <choice correct="false" name="peeler">The vegetable peeler</choice>
+     </choicegroup>
+    </multiplechoiceresponse>
+    <solution>
+        <div class="detailed-solution">
+            <p>Explanation</p>
+            <p>The release of the iPod allowed consumers to carry their entire music library with them in a format that did not rely on fragile and energy-intensive spinning disks. </p>
+        </div>
+    </solution>
+</problem>

common/test/data/due_date/sequential/c804fa32227142a1bd9d5bc183d4a20d.xml

@@ -0,0 +1,3 @@
+<sequential display_name="Subsection" due="2013-09-18T11:30:00Z" start="1970-01-01T00:00:00Z">
+  <vertical url_name="45640305a210424ebcc6f8e045fad0be"/>
+</sequential>

common/test/data/due_date/vertical/45640305a210424ebcc6f8e045fad0be.xml

@@ -0,0 +1,3 @@
+<vertical display_name="New Unit">
+  <problem url_name="d392c80f5c044e45a4a5f2d62f94efc5"/>
+</vertical>

lms/djangoapps/courseware/tests/modulestore_config.py

@@ -22,5 +22,6 @@ MAPPINGS = {
     'edX/test_about_blob_end_date/2012_Fall': 'xml',
     'edX/graded/2012_Fall': 'xml',
     'edX/open_ended/2012_Fall': 'xml',
+    'edX/due_date/2013_fall': 'xml'
 }
 TEST_DATA_MIXED_MODULESTORE = mixed_store_config(TEST_DATA_DIR, MAPPINGS)

lms/djangoapps/courseware/tests/test_views.py

@@ -31,9 +31,8 @@ class TestJumpTo(TestCase):
 
     def setUp(self):
 
-        # Load toy course from XML
+        # Use toy course from XML
         self.course_name = 'edX/toy/2012_Fall'
-        self.toy_course = modulestore().get_course(self.course_name)
 
     def test_jumpto_invalid_location(self):
         location = Location('i4x', 'edX', 'toy', 'NoSuchPlace', None)
@@ -62,7 +61,9 @@ class TestJumpTo(TestCase):
         self.assertEqual(response.status_code, 404)
 
 
+@override_settings(MODULESTORE=TEST_DATA_MIXED_MODULESTORE)
 class ViewsTestCase(TestCase):
+    """ Tests for views.py methods. """
     def setUp(self):
         self.user = User.objects.create(username='dummy', password='123456',
                                         email='test@mit.edu')
@@ -73,8 +74,6 @@ class ViewsTestCase(TestCase):
         self.enrollment.save()
         self.location = ['tag', 'org', 'course', 'category', 'name']
 
-        # This is a CourseDescriptor object
-        self.toy_course = modulestore().get_course('edX/toy/2012_Fall')
         self.request_factory = RequestFactory()
         chapter = 'Overview'
         self.chapter_url = '%s/%s/%s' % ('/courses', self.course_id, chapter)
@@ -222,3 +221,85 @@ class ViewsTestCase(TestCase):
         })
         response = self.client.get(url)
         self.assertFalse('<script>' in response.content)
+
+    def test_accordion_due_date(self):
+        """
+        Tests the formatting of due dates in the accordion view.
+        """
+        def get_accordion():
+            """ Returns the HTML for the accordion """
+            return views.render_accordion(
+                request, modulestore().get_course("edX/due_date/2013_fall"),
+                "c804fa32227142a1bd9d5bc183d4a20d", None, None
+            )
+
+        request = self.request_factory.get("foo")
+        self.verify_due_date(request, get_accordion)
+
+    def test_progress_due_date(self):
+        """
+        Tests the formatting of due dates in the progress page.
+        """
+        def get_progress():
+            """ Returns the HTML for the progress page """
+            return views.progress(request, "edX/due_date/2013_fall", self.user.id).content
+
+        request = self.request_factory.get("foo")
+        self.verify_due_date(request, get_progress)
+
+    def verify_due_date(self, request, get_text):
+        """
+        Verifies that due dates are formatted properly in text returned by get_text function.
+        """
+        def set_show_timezone(show_timezone):
+            """
+            Sets the show_timezone property and returns value from get_text function.
+            """
+            course.show_timezone = show_timezone
+            course.save()
+            return get_text()
+
+        def set_due_date_format(due_date_format):
+            """
+            Sets the due_date_display_format property and returns value from get_text function.
+            """
+            course.due_date_display_format = due_date_format
+            course.save()
+            return get_text()
+
+        request.user = self.user
+        course = modulestore().get_course("edX/due_date/2013_fall")
+
+        # Default case show_timezone = True
+        text = set_show_timezone(True)
+        self.assertIn("due Sep 18, 2013 at 11:30 UTC", text)
+
+        # show_timezone = False
+        text = set_show_timezone(False)
+        self.assertNotIn("due Sep 18, 2013 at 11:30 UTC", text)
+        self.assertIn("due Sep 18, 2013 at 11:30", text)
+
+        # plain text due date
+        text = set_due_date_format("foobar")
+        self.assertNotIn("due Sep 18, 2013 at 11:30", text)
+        self.assertIn("due foobar", text)
+
+        # due date with no time
+        text = set_due_date_format(u"%b %d %Y")
+        self.assertNotIn("due Sep 18, 2013 at 11:30", text)
+        self.assertIn("due Sep 18 2013", text)
+
+        # hide due date completely
+        text = set_due_date_format(u"")
+        self.assertNotIn("due ", text)
+
+        # improperly formatted due_date_display_format falls through to default  with show_timezone arg
+        text = set_due_date_format(u"%%%")
+        self.assertNotIn("%%%", text)
+        self.assertIn("due Sep 18, 2013 at 11:30", text)
+        self.assertNotIn("due Sep 18, 2013 at 11:30 UTC", text)
+
+        set_show_timezone(True)
+        text = set_due_date_format(u"%%%")
+        self.assertNotIn("%%%", text)
+        self.assertIn("due Sep 18, 2013 at 11:30 UTC", text)

lms/djangoapps/courseware/views.py

@@ -98,7 +98,8 @@ def render_accordion(request, course, chapter, section, field_data_cache):
     context = dict([('toc', toc),
                     ('course_id', course.id),
                     ('csrf', csrf(request)['csrf_token']),
-                    ('show_timezone', course.show_timezone)] + template_imports.items())
+                    ('show_timezone', course.show_timezone),
+                    ('due_date_display_format', course.due_date_display_format)] + template_imports.items())
     return render_to_string('courseware/accordion.html', context)
 
 

lms/templates/courseware/accordion.html

@@ -1,6 +1,6 @@
 <%!
     from django.core.urlresolvers import reverse
-    from xmodule.util.date_utils import get_default_time_display
+    from xmodule.util.date_utils import get_time_display
     from django.utils.translation import ugettext as _
 %>
 
@@ -25,7 +25,14 @@
           <li class="${'active' if 'active' in section and section['active'] else ''} ${'graded'  if 'graded' in section and section['graded'] else ''}">
             <a href="${reverse('courseware_section', args=[course_id, chapter['url_name'], section['url_name']])}">
               <p>${section['display_name']} ${'<span class="sr">, current section</span>' if 'active' in section and section['active'] else ''}</p>
-              <p class="subtitle">${section['format']} ${"due " + get_default_time_display(section['due'], show_timezone) if section.get('due') is not None else ''}</p>
+              <%
+                if section.get('due') is None:
+                    due_date = ''
+                else:
+                    formatted_string = get_time_display(section['due'], due_date_display_format, show_timezone)
+                    due_date = '' if len(formatted_string)==0 else _('due {date}'.format(date=formatted_string))
+              %>
+              <p class="subtitle">${section['format']} ${due_date}</p>
             </a>
           </li>
       % endfor

lms/templates/courseware/progress.html

@@ -14,7 +14,7 @@
     from django.core.urlresolvers import reverse
 %>
 
-<%! from xmodule.util.date_utils import get_default_time_display %>
+<%! from xmodule.util.date_utils import get_time_display %>
 
 <%block name="js_extra">
 <script type="text/javascript" src="${static.url('js/vendor/flot/jquery.flot.js')}"></script>
@@ -69,8 +69,12 @@ ${progress_graph.body(grade_summary, course.grade_cutoffs, "grade-detail-graph",
                 ${section['format']}
 
                 %if section.get('due') is not None:
+                  <%
+                      formatted_string = get_time_display(section['due'], course.due_date_display_format, course.show_timezone)
+                      due_date = '' if len(formatted_string)==0 else _('due {date}'.format(date=formatted_string))
+                  %>
                   <em>
-                  due ${get_default_time_display(section['due'], course.show_timezone)}
+                  ${due_date}
                   </em>
                 %endif
               </p>