feat: add CSV export for course student progress

Author: ayesha1145

web/templates/courses/progress_overview.html

@@ -15,9 +15,15 @@
       <span class="text-gray-600">Progress Overview</span>
     </nav>
     <!-- Header -->
-    <div class="mb-8">
-      <h1 class="text-3xl font-bold mb-2">Course Progress Overview</h1>
-      <p class="text-gray-600 dark:text-gray-400">Monitor student progress and engagement in {{ course.title }}</p>
+    <div class="mb-8 flex items-center justify-between">
+      <div>
+        <h1 class="text-3xl font-bold mb-2">Course Progress Overview</h1>
+        <p class="text-gray-600 dark:text-gray-400">Monitor student progress and engagement in {{ course.title }}</p>
+      </div>
+      <a href="{% url 'export_course_progress_csv' course.slug %}"
+         class="flex items-center bg-teal-500 hover:bg-teal-600 text-white font-semibold px-4 py-2 rounded-lg transition duration-200">
+        <i class="fas fa-download mr-2"></i> Export CSV
+      </a>
     </div>
     <!-- Stats Overview -->
     <div class="grid grid-cols-1 md:grid-cols-3 gap-6 mb-8">

web/urls.py

@@ -185,6 +185,11 @@
         views.course_progress_overview,
         name="course_progress_overview",
     ),
+    path(
+        "courses/<slug:slug>/progress/export/",
+        views.export_course_progress_csv,
+        name="export_course_progress_csv",
+    ),
     path(
         "courses/<slug:slug>/materials/upload/",
         views.upload_material,

web/views.py

@@ -1,4 +1,5 @@
 import calendar
+import csv
 import html
 import ipaddress
 import json
@@ -1904,6 +1905,48 @@ def course_progress_overview(request, slug):
 
 
 @login_required
+def export_course_progress_csv(request, slug):
+    """Export student progress data for a course as a CSV file."""
+    course = get_object_or_404(Course, slug=slug)
+    if request.user != course.teacher:
+        messages.error(request, "Only the course teacher can export progress data.")
+        return redirect("course_detail", slug=slug)
+    response = HttpResponse(content_type="text/csv")
+    response["Content-Disposition"] = f'attachment; filename="{course.slug}-progress.csv"'
+    writer = csv.writer(response)
+    writer.writerow([
+        "Student Name",
+        "Username",
+        "Email",
+        "Enrollment Date",
+        "Completion %",
+        "Sessions Attended",
+        "Total Sessions",
+        "Attendance Rate %",
+        "Last Accessed",
+    ])
+    enrollments = course.enrollments.filter(status="approved").select_related("student")
+    total_sessions = course.sessions.count()
+    for enrollment in enrollments:
+        progress, _ = CourseProgress.objects.get_or_create(enrollment=enrollment)
+        attended = SessionAttendance.objects.filter(
+            student=enrollment.student,
+            session__course=course,
+            status__in=["present", "late"],
+        ).count()
+        writer.writerow([
+            enrollment.student.get_full_name() or enrollment.student.username,
+            enrollment.student.username,
+            enrollment.student.email,
+            enrollment.enrollment_date.strftime("%Y-%m-%d"),
+            progress.completion_percentage,
+            attended,
+            total_sessions,
+            progress.attendance_rate,
+            progress.last_accessed.strftime("%Y-%m-%d") if progress.last_accessed else "",
+        ])
+    return response
+
 def upload_material(request, slug):
     course = get_object_or_404(Course, slug=slug)
     if request.user != course.teacher: