Update departments

main/models.py

@@ -14,7 +14,7 @@ class Student(models.Model):
     photo = models.ImageField(upload_to='profile_pics', blank=True,
                               null=False, default='profile_pics/default_student.png')
     department = models.ForeignKey(
-        'Department', on_delete=models.CASCADE, null=False, blank=False)
+        'Department', on_delete=models.CASCADE, null=False, blank=False,related_name='students')
 
     def delete(self, *args, **kwargs):
         if self.photo != 'profile_pics/default_student.png':
@@ -34,7 +34,7 @@ class Faculty(models.Model):
     email = models.EmailField(max_length=100, null=True, blank=True)
     password = models.CharField(max_length=255, null=False)
     department = models.ForeignKey(
-        'Department', on_delete=models.CASCADE, null=False)
+        'Department', on_delete=models.CASCADE, null=False, related_name='faculty')
     role = models.CharField(
         default="Faculty", max_length=100, null=False, blank=True)
     photo = models.ImageField(upload_to='profile_pics', blank=True,
@@ -60,20 +60,23 @@ class Department(models.Model):
     class Meta:
         verbose_name_plural = 'Departments'
 
-    def faculty_count(self):
-        return Faculty.objects.filter(department=self).count()
-
-    def students_count(self):
-        return Student.objects.filter(department=self).count()
-
     def __str__(self):
         return self.name
 
+    def student_count(self):
+        return self.students.count()
+
+    def faculty_count(self):
+        return self.faculty.count()
+
+    def course_count(self):
+        return self.courses.count()
+
 
 class Course(models.Model):
     code = models.IntegerField(primary_key=True)
     name = models.CharField(max_length=255, null=False, unique=True)
-    department = models.ForeignKey(Department, on_delete=models.CASCADE)
+    department = models.ForeignKey(Department, on_delete=models.CASCADE, null=False, related_name='courses')
     faculty = models.ForeignKey(
         Faculty, on_delete=models.SET_NULL, null=True, blank=True)
     studentKey = models.IntegerField(null=False, unique=True)

main/templates/main/departments.html

@@ -30,31 +30,41 @@
       </nav>
    </div>
    <!-- navigation links end -->
-   <div class="row gy-5">
       {% if deps %}
-      {% for dep in deps%}
-      <!-- individual card starts -->
-      <div class="col-sm-6 d-flex align-items-stretch justify-content-center animate__animated animate__zoomIn">
-         <div class="card shadow" style="width: 30rem !important;">
-            <div class="class-header text-center text-light border-bottom bg-dark rounded">
-               <h6 class="my-2"> Dept. of {{dep.name}}</h6>
-            </div>
-            <div class="card-body d-flex flex-column align-items-center">
-               <h5 class="card-title fw-bold">Department ID : {{dep.department_id}}</h5>
-
-               <p class="card-text fw-bold">Department Info</p>
-               <p class="card-text">{{ dep.description}}</p>
-
-               <a href="{% url 'dep_details' dep.department_id %}" class="btn btn-outline-dark"><span
-                  class="px-3">Enter</span></a>
-            </div>
-         </div>
-      </div>
-      <!-- individual card ends -->
-      {% endfor %}
-   </div>
-   {% else %}
-   <div class="text-center h4 text-secondary">No Department to show</div>
+      <table class="table align-middle mb-0 bg-white text-center">
+         <thead class="bg-light">
+            <tr>
+               <th>Name</th>
+               <th>ID</th>
+               <th>No. of Students</th>
+               <th>Total Faculty</th>
+               <th>Total Courses</th>
+            </tr>
+         </thead>
+         <tbody>
+            {% for dep in deps%}
+            <tr>
+               <td>
+               {{dep.name}}
+               </td>
+               <td>
+                  {{dep.department_id}}
+               </td>
+               <td>
+                  {{dep.student_count}}
+               </td>
+               <td>
+                  {{dep.faculty_count}}
+               </td>
+               <td>
+                  {{dep.course_count}}
+               </td>
+            </tr>
+            {% endfor %}
+         </tbody>
+      </table>
+      {% else %}
+   <div class="text-center h4 text-secondary">No Departments to show</div>
    {% endif %}
 </div>
 {% endblock  %}

main/views.py

@@ -1,7 +1,7 @@
 import datetime
 from django.shortcuts import redirect, render
 from django.contrib import messages
-from .models import Student, Course, Announcement, Assignment, Submission, Material, Faculty
+from .models import Student, Course, Announcement, Assignment, Submission, Material, Faculty, Department
 from django.template.defaulttags import register
 from django.db.models import Count, Q
 from django.http import HttpResponseRedirect
@@ -548,9 +548,9 @@ def courses(request):
     else:
         return redirect('std_login')
 
+
 def departments(request):
     if request.session.get('student_id') or request.session.get('faculty_id'):
-
         departments = Department.objects.all()
         if request.session.get('student_id'):
             student = Student.objects.get(
@@ -574,53 +574,6 @@ def departments(request):
         return redirect('std_login')
 
 
-def dep_details(request, dep_id):
-    if request.session.get('student_id') or request.session.get('faculty_id'):
-
-        dep= Department.objects.get(department_id=dep_id)
-        sc = Department.students_count(dep)
-        fc = Department.faculty_count(dep)
-        cc = Department.course_count(dep)
-        courses = Course.objects.filter(department=dep_id)
-        studentCount = Course.objects.filter(department=dep_id).annotate(student_count=Count('students'))
-
-        studentCountDict = {}
-
-        for course in studentCount:
-            studentCountDict[course.code] = course.student_count
-
-        @register.filter
-        def get_item(dictionary, course_code):
-            return dictionary.get(course_code)
-
-        if request.session.get('student_id'):
-            student = Student.objects.get(
-                student_id=request.session['student_id'])
-        else:
-            student = None
-        if request.session.get('faculty_id'):
-            faculty = Faculty.objects.get(
-                faculty_id=request.session['faculty_id'])
-        else:
-            faculty = None
-        context = {
-            'faculty': faculty,
-            'student': student,
-            'courses': courses,
-            'deps' : dep,
-            'sc': sc,
-            'fc' : fc,
-            'cc' : cc,
-            'studentCount': studentCountDict
-        }
-
-        return render(request, 'main/dep_detail.html', context)
-
-    else:
-        return redirect('std_login')
-
-
-
 def access(request, code):
     if request.session.get('student_id'):
         course = Course.objects.get(code=code)
@@ -781,6 +734,7 @@ def changePhotoFaculty(request):
     else:
         return redirect('std_login')
 
+
 def guestStudent(request):
     request.session.flush()
     try:
@@ -790,6 +744,7 @@ def guestStudent(request):
     except:
         return redirect('std_login')
 
+
 def guestFaculty(request):
     request.session.flush()
     try:
@@ -798,8 +753,3 @@ def guestFaculty(request):
         return redirect('facultyCourses')
     except:
         return redirect('std_login')
-
-
-
-
-