Merge pull request #665 from edx/muzaffar/student-info-tnl836

Get student info via user service.

openassessment/templates/openassessmentblock/staff_debug/staff_debug.html

@@ -129,15 +129,15 @@
                 <form id="openassessment_student_info_form">
                     <ul>
                         <li class="openassessment__student-info_list">
-                            <label for="openassessment__student_id" class="label">{% trans "Get Student Info" %}</label>
+                            <label for="openassessment__student_username" class="label">{% trans "Get Student Info" %}</label>
                         </li>
                         <li class="openassessment__student-info_list">
-                            <input id="openassessment__student_id" type="text" class="value" maxlength="255">
+                            <input id="openassessment__student_username" type="text" class="value" maxlength="255">
                         </li>
                     </ul>
                     <ul class="list list--actions">
                         <li class="list--actions__item">
-                            <a aria-role="button" href="" id="submit_student_id" class="action--submit"><span class="copy">{% trans "Submit" %}</span></a>
+                            <a aria-role="button" href="" id="submit_student_username" class="action--submit"><span class="copy">{% trans "Submit" %}</span></a>
                         </li>
                     </ul>
                 </form>

openassessment/xblock/openassessmentblock.py

@@ -90,6 +90,7 @@ def load(path):
     return data.decode("utf8")
 
 @XBlock.needs("i18n")
+@XBlock.needs("user")
 class OpenAssessmentBlock(
     MessageMixin,
     SubmissionMixin,
@@ -200,21 +201,44 @@ class OpenAssessmentBlock(
         help="Indicates whether or not there are peers to grade."
     )
 
-    def get_student_item_dict(self):
+    @property
+    def course_id(self):
+        return self._serialize_opaque_key(self.xmodule_runtime.course_id)  # pylint:disable=E1101
+
+    def get_anonymous_user_id(self, username, course_id):
+        """
+        Get the anonymous user id from Xblock user service.
+
+        Args:
+            username(str): user's name entered by staff to get info.
+            course_id(str): course id.
+
+        Returns:
+            A unique id for (user, course) pair
+        """
+        return self.runtime.service(self, 'user').get_anonymous_user_id(username, course_id)
+
+    def get_student_item_dict(self, anonymous_user_id=None):
         """Create a student_item_dict from our surrounding context.
 
         See also: submissions.api for details.
 
+        Args:
+            anonymous_user_id(str): A unique anonymous_user_id for (user, course) pair.
         Returns:
             (dict): The student item associated with this XBlock instance. This
                 includes the student id, item id, and course id.
         """
 
         item_id = self._serialize_opaque_key(self.scope_ids.usage_id)
+
         # This is not the real way course_ids should work, but this is a
         # temporary expediency for LMS integration
         if hasattr(self, "xmodule_runtime"):
-            course_id = self._serialize_opaque_key(self.xmodule_runtime.course_id)  # pylint:disable=E1101
+            course_id = self.course_id  # pylint:disable=E1101
+            if anonymous_user_id:
+                student_id = anonymous_user_id
+            else:
                 student_id = self.xmodule_runtime.anonymous_student_id  # pylint:disable=E1101
         else:
             course_id = "edX/Enchantment_101/April_1"

openassessment/xblock/staff_info_mixin.py

@@ -208,37 +208,41 @@ class StaffInfoMixin(object):
         """
         Renders all relative information for a specific student's workflow.
 
-        Given a student's ID, we can render a staff-only section of the page
+        Given a student's username, we can render a staff-only section of the page
         with submissions and assessments specific to the student.
 
         Must be course staff to render this view.
 
         """
         try:
-            student_id = data.params.get('student_id', '')
-            path, context = self.get_student_info_path_and_context(student_id)
+            student_username = data.params.get('student_username', '')
+            path, context = self.get_student_info_path_and_context(student_username)
             return self.render_assessment(path, context)
 
         except PeerAssessmentInternalError:
             return self.render_error(self._(u"Error finding assessment workflow cancellation."))
 
-    def get_student_info_path_and_context(self, student_id):
+    def get_student_info_path_and_context(self, student_username):
         """
         Get the proper path and context for rendering the the student info
         section of the staff debug panel.
 
         Args:
-            student_id (unicode): The ID of the student to report.
+            student_username (unicode): The username of the student to report.
 
         """
         submission_uuid = None
         submission = None
         assessment_steps = self.assessment_steps
+        anonymous_user_id = None
+        submissions = None
+        student_item = None
 
-        if student_id:
-            student_item = self.get_student_item_dict()
-            student_item['student_id'] = student_id
+        if student_username:
+            anonymous_user_id = self.get_anonymous_user_id(student_username, self.course_id)
+            student_item = self.get_student_item_dict(anonymous_user_id=anonymous_user_id)
 
+        if anonymous_user_id:
             # If there is a submission available for the requested student, present
             # it. If not, there will be no other information to collect.
             submissions = submission_api.get_submissions(student_item, 1)
@@ -257,8 +261,8 @@ class StaffInfoMixin(object):
                     # from being displayed.
                     msg = (
                         u"Could not retrieve image URL for staff debug page.  "
-                            u"The student ID is '{student_id}', and the file key is {file_key}"
-                        ).format(student_id=student_id, file_key=file_key)
+                        u"The student username is '{student_username}', and the file key is {file_key}"
+                    ).format(student_username=student_username, file_key=file_key)
                     logger.exception(msg)
 
         example_based_assessment = None

openassessment/xblock/static/js/src/lms/oa_staff_info.js

@@ -48,8 +48,8 @@ OpenAssessment.StaffInfoView.prototype = {
     loadStudentInfo: function() {
         var view = this;
         var sel = $('#openassessment__staff-info', this.element);
-        var student_id = sel.find('#openassessment__student_id').val();
-        this.server.studentInfo(student_id).done(
+        var student_username = sel.find('#openassessment__student_username').val();
+        this.server.studentInfo(student_username).done(
             function(html) {
                 // Load the HTML and install event handlers
                 $('#openassessment__student-info', view.element).replaceWith(html);
@@ -96,7 +96,7 @@ OpenAssessment.StaffInfoView.prototype = {
         );
 
         // Install a click handler for requesting student info
-        sel.find('#submit_student_id').click(
+        sel.find('#submit_student_username').click(
             function(eventObject) {
                 eventObject.preventDefault();
                 view.loadStudentInfo();

openassessment/xblock/static/js/src/oa_server.js

@@ -121,14 +121,14 @@ if (typeof OpenAssessment.Server == "undefined" || !OpenAssessment.Server) {
         /**
          Load the Student Info section in Staff Info.
          **/
-        studentInfo: function(student_id) {
+        studentInfo: function(student_username) {
             var url = this.url('render_student_info');
             return $.Deferred(function(defer) {
                 $.ajax({
                     url: url,
                     type: "POST",
                     dataType: "html",
-                    data: {student_id: student_id}
+                    data: {student_username: student_username}
                 }).done(function(data) {
                         defer.resolveWith(this, [data]);
                     }).fail(function(data) {

openassessment/xblock/test/test_staff_info.py

@@ -5,6 +5,8 @@ import datetime
 import urllib
 from mock import Mock, patch
 from django.test.utils import override_settings
+
+import ddt
 from openassessment.assessment.api import peer as peer_api
 from openassessment.assessment.api import self as self_api
 from openassessment.assessment.api import ai as ai_api
@@ -13,6 +15,7 @@ from openassessment.assessment.errors.ai import AIError, AIGradingInternalError
 from openassessment.fileupload.api import FileUploadInternalError
 from submissions import api as sub_api
 from openassessment.xblock.test.base import scenario, XBlockHandlerTestCase
+from xblock.core import XBlock
 
 ALGORITHM_ID = 'fake'
 
@@ -43,6 +46,14 @@ ASSESSMENT_DICT = {
 }
 
 
+class NullUserService(object):
+    """
+    A simple implementation of the runtime "user" service.
+    """
+    def get_anonymous_user_id(self, username, course_id):
+        return username
+
+
 class TestCourseStaff(XBlockHandlerTestCase):
     """
     Tests for course staff debug panel.
@@ -164,11 +175,12 @@ class TestCourseStaff(XBlockHandlerTestCase):
         xblock.xmodule_runtime = self._create_mock_runtime(
             xblock.scope_ids.usage_id, True, False, "Bob"
         )
+        xblock.runtime._services['user'] = NullUserService()
 
         bob_item = STUDENT_ITEM.copy()
         bob_item["item_id"] = xblock.scope_ids.usage_id
         # Create a submission for Bob, and corresponding workflow.
-        submission = sub_api.create_submission(bob_item, {'text':"Bob Answer"})
+        submission = sub_api.create_submission(bob_item, {'text': "Bob Answer"})
         peer_api.on_start(submission["uuid"])
         workflow_api.create_workflow(submission["uuid"], ['peer'])
 
@@ -201,11 +213,11 @@ class TestCourseStaff(XBlockHandlerTestCase):
         xblock.xmodule_runtime = self._create_mock_runtime(
             xblock.scope_ids.usage_id, True, False, "Bob"
         )
-
+        xblock.runtime._services['user'] = NullUserService()
         bob_item = STUDENT_ITEM.copy()
         bob_item["item_id"] = xblock.scope_ids.usage_id
         # Create a submission for Bob, and corresponding workflow.
-        submission = sub_api.create_submission(bob_item, {'text':"Bob Answer"})
+        submission = sub_api.create_submission(bob_item, {'text': "Bob Answer"})
         peer_api.on_start(submission["uuid"])
         workflow_api.create_workflow(submission["uuid"], ['self'])
 
@@ -237,6 +249,7 @@ class TestCourseStaff(XBlockHandlerTestCase):
         xblock.xmodule_runtime = self._create_mock_runtime(
             xblock.scope_ids.usage_id, True, False, "Bob"
         )
+        xblock.runtime._services['user'] = NullUserService()
 
         bob_item = STUDENT_ITEM.copy()
         bob_item["item_id"] = xblock.scope_ids.usage_id
@@ -296,13 +309,14 @@ class TestCourseStaff(XBlockHandlerTestCase):
         xblock.xmodule_runtime = self._create_mock_runtime(
             xblock.scope_ids.usage_id, True, False, "Bob"
         )
+        xblock.runtime._services['user'] = NullUserService()
 
         bob_item = STUDENT_ITEM.copy()
         bob_item["item_id"] = xblock.scope_ids.usage_id
 
         # Create an image submission for Bob
         sub_api.create_submission(bob_item, {
-            'text':"Bob Answer",
+            'text': "Bob Answer",
             'file_key': "test_key"
         })
 
@@ -318,7 +332,7 @@ class TestCourseStaff(XBlockHandlerTestCase):
             self.assertEquals('http://www.example.com/image.jpeg', context['submission']['image_url'])
 
             # Check the fully rendered template
-            payload = urllib.urlencode({"student_id": "Bob"})
+            payload = urllib.urlencode({"student_username": "Bob"})
             resp = self.request(xblock, "render_student_info", payload)
             self.assertIn("http://www.example.com/image.jpeg", resp)
 
@@ -328,13 +342,14 @@ class TestCourseStaff(XBlockHandlerTestCase):
         xblock.xmodule_runtime = self._create_mock_runtime(
             xblock.scope_ids.usage_id, True, False, "Bob"
         )
+        xblock.runtime._services['user'] = NullUserService()
 
         bob_item = STUDENT_ITEM.copy()
         bob_item["item_id"] = xblock.scope_ids.usage_id
 
         # Create an image submission for Bob
         sub_api.create_submission(bob_item, {
-            'text':"Bob Answer",
+            'text': "Bob Answer",
             'file_key': "test_key"
         })
 
@@ -348,7 +363,7 @@ class TestCourseStaff(XBlockHandlerTestCase):
             self.assertNotIn('image_url', context['submission'])
 
             # Check the fully rendered template
-            payload = urllib.urlencode({"student_id": "Bob"})
+            payload = urllib.urlencode({"student_username": "Bob"})
             resp = self.request(xblock, "render_student_info", payload)
             self.assertIn("Bob Answer", resp)
 
@@ -359,6 +374,7 @@ class TestCourseStaff(XBlockHandlerTestCase):
         xblock.xmodule_runtime = self._create_mock_runtime(
             xblock.scope_ids.usage_id, True, False, "Bob"
         )
+        xblock.runtime._services['user'] = NullUserService()
 
         # Commonly chosen options for assessments
         options_selected = {
@@ -377,7 +393,7 @@ class TestCourseStaff(XBlockHandlerTestCase):
         bob_item["item_id"] = xblock.scope_ids.usage_id
 
         # Create a submission for Bob, and corresponding workflow.
-        submission = sub_api.create_submission(bob_item, {'text':"Bob Answer"})
+        submission = sub_api.create_submission(bob_item, {'text': "Bob Answer"})
         peer_api.on_start(submission["uuid"])
         workflow_api.create_workflow(submission["uuid"], ['peer', 'self'])
 
@@ -410,7 +426,7 @@ class TestCourseStaff(XBlockHandlerTestCase):
 
         # Now Bob should be fully populated in the student info view.
         request = namedtuple('Request', 'params')
-        request.params = {"student_id": "Bob"}
+        request.params = {"student_username": "Bob"}
         # Verify that we can render without error
         resp = xblock.render_student_info(request)
         self.assertIn("bob answer", resp.body.lower())