Add history view for all submissions in assignment group

controllers/endpoints/assignment_groups.py

@@ -6,7 +6,7 @@
 from common.maybe import maybe_bool
 from controllers.auth import get_user
 from controllers.helpers import (require_request_parameters, require_course_instructor, login_required,
-                                 require_course_adopter,
+                                 require_course_adopter, ajax_failure,
                                  check_resource_exists, get_select_menu_link, get_course_id, ajax_success,
                                  maybe_int, require_course_grader, make_log_entry)
 from models import Course, Submission, AssignmentLog
@@ -16,6 +16,8 @@
 from models.assignment_group import AssignmentGroup
 from models.assignment_group_membership import AssignmentGroupMembership
 from models.data_formats.portation import export_bundle, import_bundle, export_zip, export_pdf_zip
+from models.log_tables import SubmissionLog as Log
+from models.user import User
 
 blueprint_assignment_group = Blueprint('assignment_group', __name__, url_prefix='/assignment_group')
 
@@ -377,3 +379,62 @@ def export_submissions():
     filename = course.get_url_or_id() + '-' + assignment_group.get_filename(extension='.zip')
     return Response(bundle, mimetype='application/zip',
                     headers={'Content-Disposition': 'attachment;filename={}'.format(filename)})
+
+
+@blueprint_assignment_group.route('/browse_history/', methods=['GET', 'POST'])
+@blueprint_assignment_group.route('/browse_history', methods=['GET', 'POST'])
+@require_request_parameters('assignment_group_id', 'course_id')
+def browse_history():
+    """
+    View the history of all submissions in a single assignment group.
+    Returns a page with the watcher component to view submission histories.
+    """
+    # Get parameters
+    assignment_group_id = maybe_int(request.values.get('assignment_group_id'))
+    course_id = maybe_int(request.values.get('course_id'))
+    user_id = maybe_int(request.values.get('user_id', None))
+    embed = maybe_bool(request.values.get('embed'))
+    user, viewer_id = get_user()
+
+    # Get resources
+    assignment_group = AssignmentGroup.by_id(assignment_group_id)
+    check_resource_exists(assignment_group, "AssignmentGroup", assignment_group_id)
+    course = Course.by_id(course_id)
+    check_resource_exists(course, "Course", course_id)
+
+    # Verify permissions - only graders can view history for an assignment group
+    if not user.is_grader(course_id):
+        return ajax_failure("Only graders can see logs for assignment groups.")
+
+    # Get all assignments in this group
+    assignments = assignment_group.get_assignments()
+    # Extract assignment IDs once for efficiency
+    assignment_id_list = [a.id for a in assignments] if assignments else []
+    # Format as comma-separated string (expected by watcher component)
+    assignment_ids = ','.join(str(aid) for aid in assignment_id_list)
+
+    # Get all users who have submissions in this course for these assignments
+    if user_id is None:
+        # Get all users with submissions in these assignments
+        if assignment_id_list:
+            user_ids_list = (Log.query
+                            .filter(Log.course_id == course_id)
+                            .filter(Log.assignment_id.in_(assignment_id_list))
+                            .with_entities(Log.subject_id)
+                            .distinct()
+                            .all())
+            # Format as comma-separated string (expected by watcher component)
+            user_ids = ','.join(str(uid[0]) for uid in user_ids_list) if user_ids_list else ''
+        else:
+            user_ids = ''
+    else:
+        user_ids = str(user_id)
+
+    return render_template('assignment_groups/browse_history.html',
+                          assignment_group=assignment_group,
+                          course=course,
+                          course_id=course_id,
+                          assignment_ids=assignment_ids,
+                          user_ids=user_ids,
+                          user=user,
+                          embed=embed)

templates/assignment_groups/browse_history.html

@@ -0,0 +1,49 @@
+{% set reduced_layout = embed or 'iframe' == request.form.get('launch_presentation_document_target') %}
+{% extends 'helpers/layout.html' %}
+{% import 'helpers/navigation.html' as navigation %}
+
+{% block title %}
+Browse Assignment Group History
+{% endblock %}
+
+{% block statusbar %}
+{% endblock %}
+
+{% block extrahead %}
+<script type='text/javascript'>
+    $(function() {
+        let loggedInUser = {{ user.encode_json()|tojson }};
+        let server = new frontend.Server({{ course_id|tojson }}, {}, {
+            users: [loggedInUser]
+        });
+
+        // WatchMode enum values
+        const WatchMode = {
+            SUMMARY: 0,
+            FULL: 1
+        };
+
+        let mainModel = {
+            server: server,
+            courseId: {{ course_id|tojson }},
+            assignmentIds: {{ assignment_ids|tojson }},
+            userIds: {{ user_ids|tojson }},
+            defaultWatchMode: WatchMode.SUMMARY
+        };
+
+        ko.applyBindings(mainModel);
+    });
+</script>
+{% endblock %}
+
+{% block body %}
+
+    <h1>Browse Assignment Group History</h1>
+    {{ navigation.navigate_course(course_id) }}
+
+    <p>Assignment Group: {{ assignment_group.name }}</p>
+    <p>Course: {{ course.name }}</p>
+
+    <watcher params="server: server, courseId: courseId, assignmentIds: assignmentIds, userIds: userIds, defaultWatchMode: defaultWatchMode"></watcher>
+
+{% endblock %}

templates/reports/group.html

@@ -55,6 +55,15 @@ <h1 id="overview">Overview</h1>
 
     <assignment-group params="group: group"></assignment-group>
 
+    {% if is_grader %}
+    <p>
+        <a href="{{ url_for('assignment_group.browse_history', assignment_group_id=assignment_group.id, course_id=course_id, user_id=user_id) }}" 
+           class="btn btn-sm btn-outline-secondary">
+            <i class="fas fa-history"></i> Browse All Submission History
+        </a>
+    </p>
+    {% endif %}
+
     <p>
     {% if reduced_layout %}
         Below, you can see your current submission for this assignment.<br>