Files
2025-04-20 17:46:30 +05:45

506 lines
19 KiB
Python

# Standard library imports
from datetime import timedelta
# Core Django imports
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.db.models import Avg, Count, Q
from django.http import JsonResponse
from django.shortcuts import get_object_or_404, redirect, render
from django.utils import timezone
from django.views.decorators.http import require_http_methods
# Local app imports
from app.models import (
Attendance,
AttendanceRecord,
Batch,
Course,
CourseTracking,
InstituteFeedback,
Notice,
Parent,
ParentFeedback,
ParentInstituteFeedback,
Routine,
Staff,
StaffInstituteFeedback,
StaffLeave,
Student,
StudentFeedback,
StudentLeave,
Subject,
SubjectFile,
TeacherParentMeeting,
FEEDBACK_TYPE_CHOICES,
)
@login_required
def studentDashboard(request):
"""View to display the student dashboard with their personal information and progress"""
student = Student.objects.get(phone=request.user.phone) # Get the Student object
today = timezone.now().date()
last_week = today - timedelta(days=7)
last_month = today - timedelta(days=30)
# Clear section states on page load
if request.method == "GET":
request.session.pop("active_section", None)
request.session.pop("active_subsection", None)
# Get all teachers for feedback form
teachers = Staff.objects.filter(
Q(designation__icontains="Teacher")
| Q(designation__icontains="Staff")
| Q(designation__icontains="Principal")
| Q(designation__icontains="Admission Officer")
| Q(designation__isnull=True)
| Q(designation="")
).order_by("name")
# Get feedback types for institute feedback
feedback_types = FEEDBACK_TYPE_CHOICES
# Course Progress and Tracking
course_trackings = CourseTracking.objects.filter(student=student).select_related(
"course"
)
total_courses = course_trackings.count()
completed_courses = course_trackings.filter(progress_status="Completed").count()
in_progress_courses = course_trackings.filter(progress_status="In Progress").count()
dropped_courses = course_trackings.filter(progress_status="Dropped").count()
# Calculate overall completion percentage
overall_completion = 0
if total_courses > 0:
total_percentage = sum(
tracking.completion_percentage for tracking in course_trackings
)
overall_completion = total_percentage / total_courses
# Course Summary
course_summary = {
"total_courses": total_courses,
"completed_courses": completed_courses,
"ongoing_courses": in_progress_courses,
"completion_percentage": overall_completion,
}
# Course Details with enhanced information
course_details = []
for tracking in course_trackings:
course_details.append(
{
"name": tracking.course.name,
"start_date": tracking.start_date,
"expected_end_date": tracking.expected_end_date,
"actual_end_date": tracking.actual_end_date,
"completion_percentage": tracking.completion_percentage,
"progress_status": tracking.progress_status,
"current_period": tracking.current_period,
"period_start_date": tracking.period_start_date,
"period_end_date": tracking.period_end_date,
"remaining_days": tracking.remaining_days,
"total_remaining_days": tracking.total_remaining_days,
"is_completed": tracking.is_completed,
"is_active": tracking.is_active,
"duration_type": tracking.course.duration_type,
"duration": tracking.course.duration,
"total_duration_days": tracking.total_duration_days,
"notes": tracking.notes,
}
)
# Get current subjects based on current period
current_subjects = []
active_tracking = course_trackings.filter(progress_status="In Progress").first()
if active_tracking:
current_subjects = Subject.objects.filter(
course=active_tracking.course, period_or_year=active_tracking.current_period
)
# Attendance Statistics with enhanced information
attendance_records = AttendanceRecord.objects.filter(student=student)
# Get the current period start and end dates from student's course tracking
current_period_start = None
current_period_end = None
# Try to get course tracking for current student
try:
if active_tracking and active_tracking.period_start_date:
current_period_start = active_tracking.period_start_date
current_period_end = active_tracking.period_end_date or today
except Exception:
pass
# Calculate total attendance
total_attendance = attendance_records.filter(student_attend=True).count()
total_classes = attendance_records.count()
# Calculate attendance percentage
if total_classes > 0:
attendance_percentage = (total_attendance / total_classes) * 100
else:
attendance_percentage = 0
# Filter attendance by current period date range if available
if current_period_start:
period_attendance = attendance_records.filter(
attendance__date__gte=current_period_start,
attendance__date__lte=current_period_end,
)
# Count the actual classes and attendance
actual_classes = period_attendance.count()
classes_attended = period_attendance.filter(student_attend=True).count()
# Calculate actual attendance percentage
if actual_classes > 0:
attendance_summary_actual = classes_attended / actual_classes * 100
else:
attendance_summary_actual = 0
else:
actual_classes = total_classes
classes_attended = total_attendance
attendance_summary_actual = attendance_percentage
# Calculate attendance streaks
current_streak = 0
longest_streak = 0
temp_streak = 0
last_attendance_date = None
for record in attendance_records.order_by("-attendance__date"):
if record.student_attend:
if last_attendance_date is None:
last_attendance_date = record.attendance.date
current_streak = 1
temp_streak = 1
elif (last_attendance_date - record.attendance.date).days == 1:
temp_streak += 1
if temp_streak > longest_streak:
longest_streak = temp_streak
if record.attendance.date == today - timedelta(days=current_streak):
current_streak += 1
else:
temp_streak = 1
else:
temp_streak = 0
if record.attendance.date == today:
current_streak = 0
# Attendance Summary
attendance_summary = {
"total_classes": total_classes,
"classes_attended": classes_attended,
"present_count": total_attendance,
"absent_count": total_classes - total_attendance,
"attendance_percentage": attendance_percentage,
"current_streak": current_streak,
"longest_streak": longest_streak,
"actual_classes": actual_classes,
"actual_percentage": attendance_summary_actual,
}
# Add actual recorded classes info if different from expected
if current_period_start and actual_classes != total_classes:
attendance_summary["actual_classes"] = actual_classes
attendance_summary["actual_percentage"] = attendance_summary_actual
# Get attendance records with related information
attendance_records = attendance_records.select_related(
"attendance", "attendance__routine", "attendance__teacher"
).order_by("-attendance__date")
# Get recent attendance (last 7 days)
recent_attendance = attendance_records.filter(
attendance__date__gte=last_week
).order_by("-attendance__date")
# Get feedback
recent_feedback = student.feedbacks.all().order_by("-created_at")[:5]
institute_feedback = student.institute_feedbacks.all().order_by("-created_at")[:5]
# Get notices
notices = Notice.objects.all().order_by("-created_at")
# Get student leaves with status information
student_leaves = StudentLeave.objects.filter(student=student).order_by(
"-created_at"
)
pending_leaves = student_leaves.filter(status=0).count()
approved_leaves = student_leaves.filter(status=1).count()
rejected_leaves = student_leaves.filter(status=2).count()
# Get current period routines
current_period_routines = Routine.objects.none() # Initialize with empty QuerySet
if active_tracking:
current_period_routines = Routine.objects.filter(
course=active_tracking.course,
period_or_year=active_tracking.current_period,
is_active=True,
)
# Check if student has any routines
has_routines = current_period_routines.exists()
context = {
"student": student,
"title": "Student Dashboard",
"teachers": teachers,
"feedback_types": feedback_types,
# Course Progress
"total_courses": total_courses,
"completed_courses": completed_courses,
"in_progress_courses": in_progress_courses,
"dropped_courses": dropped_courses,
"overall_completion": round(overall_completion, 1),
"course_details": course_details,
"course_summary": course_summary,
# Current Subjects
"current_subjects": current_subjects,
"active_tracking": active_tracking,
# Attendance
"attendance_summary": attendance_summary,
"attendance_records": attendance_records,
"recent_attendance": recent_attendance,
# Feedback
"recent_feedback": recent_feedback,
"institute_feedback": institute_feedback,
# Notices
"notices": notices,
# Leaves
"student_leaves": student_leaves,
"pending_leaves": pending_leaves,
"approved_leaves": approved_leaves,
"rejected_leaves": rejected_leaves,
# Routines
"current_period_routines": current_period_routines,
"has_routines": has_routines,
# Current date for display
"today": today,
}
return render(request, "student/dashboard.html", context)
@login_required
def request_leave(request):
if request.method == "POST":
student = request.user
start_date = request.POST.get("start_date")
end_date = request.POST.get("end_date")
message = request.POST.get("message")
try:
# Convert date strings to timezone-aware datetime
start_date = timezone.datetime.strptime(start_date, "%Y-%m-%d")
end_date = timezone.datetime.strptime(end_date, "%Y-%m-%d")
start_date = timezone.make_aware(start_date)
end_date = timezone.make_aware(end_date)
today = timezone.now()
if start_date.date() < today.date():
messages.error(request, "Start date cannot be in the past.")
return redirect("studentDashboard")
if end_date.date() < start_date.date():
messages.error(request, "End date cannot be before start date.")
return redirect("studentDashboard")
# Check if leave already exists for these dates
existing_leave = StudentLeave.objects.filter(
student=student,
start_date__lte=end_date.date(),
end_date__gte=start_date.date(),
).first()
if existing_leave:
messages.error(
request, "You have already requested leave for these dates."
)
return redirect("studentDashboard")
# Create leave request
leave = StudentLeave.objects.create(
student=student,
start_date=start_date.date(),
end_date=end_date.date(),
message=message,
status=0, # Pending status
)
messages.success(request, "Leave request submitted successfully.")
except Exception as e:
messages.error(request, f"Error submitting leave request: {str(e)}")
return redirect("studentDashboard")
return redirect("studentDashboard")
@login_required
def submit_feedback(request):
if request.method == "POST":
try:
feedback_type = request.POST.get("feedback_type")
rating = float(request.POST.get("rating", 0))
feedback_text = request.POST.get("feedback_text", "").strip()
# Validate rating range (1 to 5)
if not (1 <= rating <= 5):
messages.error(request, "Rating must be between 1 and 5")
return redirect("studentDashboard")
if not feedback_text:
messages.error(request, "Please provide feedback text")
return redirect("studentDashboard")
if feedback_type == "teacher":
teacher_id = request.POST.get("teacher_id")
if not teacher_id:
messages.error(request, "Please select a teacher")
return redirect("studentDashboard")
try:
teacher = Staff.objects.get(id=teacher_id)
# Check if feedback already exists
existing_feedback = StudentFeedback.objects.filter(
student=request.user, teacher=teacher
).first()
if existing_feedback:
# Update existing feedback
existing_feedback.rating = rating
existing_feedback.feedback_text = feedback_text
existing_feedback.save()
messages.success(
request, "Teacher feedback updated successfully"
)
else:
# Create new feedback
StudentFeedback.objects.create(
student=request.user,
teacher=teacher,
rating=rating,
feedback_text=feedback_text,
)
messages.success(
request, "Teacher feedback submitted successfully"
)
except Staff.DoesNotExist:
messages.error(request, "Selected teacher does not exist")
else:
messages.error(request, "Invalid feedback type")
except ValueError:
messages.error(request, "Invalid rating value")
except Exception as e:
messages.error(request, f"An error occurred: {str(e)}")
return redirect("studentDashboard")
@login_required
def submit_institute_feedback(request):
if request.method == "POST":
student = request.user
feedback_type = request.POST.get("feedback_type")
rating = request.POST.get("rating")
feedback_text = request.POST.get("feedback_text")
is_anonymous = request.POST.get("is_anonymous") == "on"
try:
# Validate feedback type
if not feedback_type or feedback_type not in dict(
InstituteFeedback.FEEDBACK_TYPE_CHOICES
):
messages.error(request, "Please select a valid feedback type")
return redirect("studentDashboard")
# Convert to float first to handle half-stars
rating_value = float(rating)
if rating_value < 0.5 or rating_value > 5:
messages.error(request, "Rating must be between 0.5 and 5")
return redirect("studentDashboard")
# Check if it's a valid half or full star rating
if rating_value % 0.5 != 0:
messages.error(request, "Rating must be a whole or half number")
return redirect("studentDashboard")
# Get the institute (assuming one institute for now)
institute = Institute.objects.first()
if not institute:
# Create a default institute if none exists
institute = Institute.objects.create(
name="Default Institute",
phone="123456789",
email="default@example.com",
)
# Check if feedback already exists for this type
existing_feedback = InstituteFeedback.objects.filter(
user=student,
institute=institute,
feedback_type=feedback_type,
).first()
if existing_feedback:
# Update existing feedback
existing_feedback.rating = rating_value
existing_feedback.feedback_text = feedback_text
existing_feedback.is_anonymous = is_anonymous
existing_feedback.save()
messages.success(request, "Institute feedback updated successfully")
else:
# Create new feedback
InstituteFeedback.objects.create(
user=student,
institute=institute,
feedback_type=feedback_type,
rating=rating_value,
feedback_text=feedback_text,
is_anonymous=is_anonymous,
is_public=True, # Default to public feedback
)
messages.success(request, "Institute feedback submitted successfully")
except ValueError:
messages.error(request, "Invalid rating value")
except Exception as e:
messages.error(request, f"Error submitting institute feedback: {str(e)}")
return redirect("studentDashboard")
@login_required
@require_http_methods(["GET"])
def get_subject_files(request, subject_id):
"""View to get all files for a subject"""
try:
subject = Subject.objects.get(id=subject_id)
files = subject.get_all_files()
if not files:
return JsonResponse(
{"success": False, "message": "No files available for this subject"}
)
return JsonResponse(
{
"success": True,
"files": files,
}
)
except Subject.DoesNotExist:
return JsonResponse({"success": False, "message": "Subject not found"})
except Exception as e:
return JsonResponse(
{"success": False, "message": f"Error retrieving files: {str(e)}"}
)