Merge pull request #1011 from MITx/vik/add_self_assessment

Vik/add self assessment

.gitignore

@@ -28,3 +28,4 @@ cms/static/sass/*.css
 lms/lib/comment_client/python
 nosetests.xml
 cover_html/
+.idea/

common/lib/xmodule/setup.py

@@ -28,6 +28,7 @@ setup(
             "problem = xmodule.capa_module:CapaDescriptor",
             "problemset = xmodule.seq_module:SequenceDescriptor",
             "section = xmodule.backcompat_module:SemanticSectionDescriptor",
+            "selfassessment = xmodule.self_assessment_module:SelfAssessmentDescriptor",
             "sequential = xmodule.seq_module:SequenceDescriptor",
             "slides = xmodule.backcompat_module:TranslateCustomTagDescriptor",
             "vertical = xmodule.vertical_module:VerticalDescriptor",

common/lib/xmodule/xmodule/capa_module.py

@@ -30,15 +30,17 @@ TIMEDELTA_REGEX = re.compile(r'^((?P<days>\d+?) day(?:s?))?(\s)?((?P<hours>\d+?)
 def only_one(lst, default="", process=lambda x: x):
     """
     If lst is empty, returns default
-    If lst has a single element, applies process to that element and returns it
-    Otherwise, raises an exeception
+
+    If lst has a single element, applies process to that element and returns it.
+
+    Otherwise, raises an exception.
     """
     if len(lst) == 0:
         return default
     elif len(lst) == 1:
         return process(lst[0])
     else:
-        raise Exception('Malformed XML')
+        raise Exception('Malformed XML: expected at most one element in list.')
 
 
 def parse_timedelta(time_str):

common/lib/xmodule/xmodule/js/src/selfassessment/display.coffee

+class @SelfAssessment
+  constructor: (element) ->
+    @el = $(element).find('section.self-assessment')
+    @id = @el.data('id')
+    @ajax_url = @el.data('ajax-url')
+    @state = @el.data('state')
+    @allow_reset = @el.data('allow_reset')
+    # valid states: 'initial', 'assessing', 'request_hint', 'done'
+
+    # Where to put the rubric once we load it
+    @errors_area = @$('.error')
+    @answer_area = @$('textarea.answer')
+
+    @rubric_wrapper = @$('.rubric-wrapper')
+    @hint_wrapper = @$('.hint-wrapper')
+    @message_wrapper = @$('.message-wrapper')
+    @submit_button = @$('.submit-button')
+    @reset_button = @$('.reset-button')
+    @reset_button.click @reset
+
+    @find_assessment_elements()
+    @find_hint_elements()
+
+
+    @rebind()
+
+  # locally scoped jquery.
+  $: (selector) ->
+    $(selector, @el)
+
+  rebind: () =>
+    # rebind to the appropriate function for the current state
+    @submit_button.unbind('click')
+    @submit_button.show()
+    @reset_button.hide()
+    if @state == 'initial'
+      @submit_button.prop('value', 'Submit')
+      @submit_button.click @save_answer
+    else if @state == 'assessing'
+      @submit_button.prop('value', 'Submit assessment')
+      @submit_button.click @save_assessment
+    else if @state == 'request_hint'
+      @submit_button.prop('value', 'Submit hint')
+      @submit_button.click @save_hint
+    else if @state == 'done'
+      @submit_button.hide()
+      if @allow_reset
+        @reset_button.show()
+      else
+        @reset_button.hide()
+
+
+  find_assessment_elements: ->
+    @assessment = @$('select.assessment')
+
+  find_hint_elements: ->
+    @hint_area = @$('textarea.hint')
+
+  save_answer: (event) =>
+    event.preventDefault()
+    if @state == 'initial'
+      data = {'student_answer' : @answer_area.val()}
+      $.postWithPrefix "#{@ajax_url}/save_answer", data, (response) =>
+        if response.success
+          @rubric_wrapper.html(response.rubric_html)
+          @state = 'assessing'
+          @find_assessment_elements()
+          @rebind()
+        else
+          @errors_area.html(response.message)
+    else
+      @errors_area.html('Problem state got out of sync.  Try reloading the page.')
+
+  save_assessment: (event) =>
+    event.preventDefault()
+    if @state == 'assessing'
+      data = {'assessment' : @assessment.find(':selected').text()}
+      $.postWithPrefix "#{@ajax_url}/save_assessment", data, (response) =>
+        if response.success
+          @hint_wrapper.html(response.hint_html)
+          @state = 'request_hint'
+          @find_hint_elements()
+          @rebind()
+        else
+          @errors_area.html(response.message)
+    else
+      @errors_area.html('Problem state got out of sync.  Try reloading the page.')
+    
+
+  save_hint:  (event) =>
+    event.preventDefault()
+    if @state == 'request_hint'
+      data = {'hint' : @hint_area.val()}
+      
+      $.postWithPrefix "#{@ajax_url}/save_hint", data, (response) =>
+        if response.success
+          @message_wrapper.html(response.message_html)
+          @state = 'done'
+          @allow_reset = response.allow_reset
+          @rebind()
+        else
+          @errors_area.html(response.message)
+    else
+      @errors_area.html('Problem state got out of sync.  Try reloading the page.')
+      
+
+  reset: (event) =>
+    event.preventDefault()
+    if @state == 'done'
+      $.postWithPrefix "#{@ajax_url}/reset", {}, (response) =>
+        if response.success
+          @rubric_wrapper.html('')
+          @hint_wrapper.html('')
+          @message_wrapper.html('')
+          @state = 'initial'
+          @rebind()
+          @reset_button.hide()
+        else
+          @errors_area.html(response.message)
+    else
+      @errors_area.html('Problem state got out of sync.  Try reloading the page.')

common/lib/xmodule/xmodule/tests/test_export.py

@@ -113,3 +113,7 @@ class RoundTripTestCase(unittest.TestCase):
 
     def test_full_roundtrip(self):
         self.check_export_roundtrip(DATA_DIR, "full")
+
+    def test_selfassessment_roundtrip(self):
+        #Test selfassessment xmodule to see if it exports correctly
+        self.check_export_roundtrip(DATA_DIR,"self_assessment")

common/lib/xmodule/xmodule/tests/test_import.py

@@ -339,4 +339,16 @@ class ImportTestCase(unittest.TestCase):
 
         self.assertRaises(etree.XMLSyntaxError, system.process_xml, bad_xml)
 
-
+    def test_selfassessment_import(self):
+        '''
+        Check to see if definition_from_xml in self_assessment_module.py
+        works properly.  Pulls data from the self_assessment directory in the test data directory.
+        '''
+
+        modulestore = XMLModuleStore(DATA_DIR, course_dirs=['self_assessment'])
+
+        sa_id = "edX/sa_test/2012_Fall"
+        location = Location(["i4x", "edX", "sa_test", "selfassessment", "SampleQuestion"])
+        sa_sample = modulestore.get_instance(sa_id, location)
+        #10 attempts is hard coded into SampleQuestion, which is the url_name of a selfassessment xml tag
+        self.assertEqual(sa_sample.metadata['attempts'], '10')

common/test/data/self_assessment/README.md

+This is a very very simple course, useful for debugging self assessment code.

common/test/data/self_assessment/course.xml

+roots/2012_Fall.xml
\ No newline at end of file

common/test/data/self_assessment/course/2012_Fall.xml

+<course>
+  <chapter url_name="Overview">
+    <selfassessment url_name="SampleQuestion"/>
+  </chapter>
+</course>

common/test/data/self_assessment/policies/2012_Fall.json

+{
+    "course/2012_Fall": {
+        "graceperiod": "2 days 5 hours 59 minutes 59 seconds",
+        "start": "2015-07-17T12:00",
+        "display_name": "Self Assessment Test",
+        "graded": "true"
+    },
+    "chapter/Overview": {
+        "display_name": "Overview"
+    },
+    "selfassessment/SampleQuestion": {
+        "display_name": "Sample Question",
+    },
+}

common/test/data/self_assessment/roots/2012_Fall.xml

+<course org="edX" course="sa_test" url_name="2012_Fall"/>

common/test/data/self_assessment/selfassessment/SampleQuestion.xml

+<selfassessment attempts='10'>
+  <prompt>
+   What is the meaning of life?
+  </prompt>
+  <rubric>
+   This is a rubric.
+  </rubric>
+  <submitmessage>
+    Thanks for your submission!
+  </submitmessage>
+  <hintprompt>
+    Enter a hint below:
+  </hintprompt>
+</selfassessment>

lms/static/sass/course/courseware/_courseware.scss

@@ -242,4 +242,25 @@ div.course-wrapper {
 }
 
 
+section.self-assessment {
+    textarea.answer {
+        height: 200px;
+        padding: 5px;
+        margin-top: 5px;
+        margin-bottom: 5px;
+    }
+
+    textarea.hint {
+        height: 100px;
+        padding: 5px;
+        margin-top: 5px;
+        margin-bottom: 5px;
+    }
+    
+    div {
+        margin-top: 5px;
+        margin-bottom: 5px;
+    }
+
+}
 

lms/templates/self_assessment_hint.html

+<div class="hint">
+    <div class="hint-prompt">
+    ${hint_prompt}
+    </div>
+    <textarea name="hint" class="hint" cols="70" rows="5"
+     ${'readonly="true"' if read_only else ''}>${hint}</textarea>
+</div>

lms/templates/self_assessment_prompt.html

+<section id="self_assessment_${id}" class="self-assessment" data-ajax-url="${ajax_url}"
+         data-id="${id}" data-state="${state}" data-allow_reset="${allow_reset}">
+    <div class="error"></div>
+    <div class="prompt">
+    ${prompt}
+    </div>
+
+    <div>
+    <textarea name="answer" class="answer" cols="70" rows="20">${previous_answer|h}</textarea>
+    </div>
+
+    <div class="rubric-wrapper">${initial_rubric}</div>
+
+    <div class="hint-wrapper">${initial_hint}</div>
+
+    <div class="message-wrapper">${initial_message}</div>
+    
+    <input type="button" value="Submit" class="submit-button" name="show"/>
+    <input type="button" value="Reset" class="reset-button" name="reset"/>
+</section>

lms/templates/self_assessment_rubric.html

+<div class="assessment">
+    <div class="rubric">
+    <h3>Self-assess your answer with this rubric:</h3>
+    ${rubric}
+    </div>
+
+    % if not read_only:
+    <select name="assessment" class="assessment">
+        <option value="incorrect">Incorrect</option>
+        <option value="correct">Correct</option>
+    </select>
+    % endif
+
+</div>