translate enhancement

update models and admin files which had missing lazy text features

update the translation file.

apps/account/admin/location.py

@@ -54,6 +54,7 @@ class LocationHistoryAdmin(ModelAdmin):
         return instance.at_time.strftime("%Y-%m-%d %H:%M") if instance.at_time else "-"
 
 
+
 # Register with both admin sites
 project_admin_site.register(LocationHistory, LocationHistoryAdmin)
 dovoodi_admin_site.register(LocationHistory, LocationHistoryAdmin)

apps/account/admin/notification.py

@@ -1,3 +1,5 @@
+from django.contrib import admin
+from django.utils.translation import gettext_lazy as _
 from ajaxdatatable.admin import AjaxDatatable
 
 from apps.account.models import User, Notification

apps/account/admin/professor.py

@@ -19,7 +19,7 @@ from apps.account.models import ProfessorUser
 
 class ProfessorUserCreationForm(UserCreationForm):
     phone_number = PhoneNumberField(
-        help_text="Enter the phone number in international format. Example: +989012023212",
+        help_text=_("Enter the phone number in international format. Example: +989012023212"),
         required=False
     )
 
@@ -42,11 +42,11 @@ class ProfessorUserAdmin(UserAdmin, AjaxDatatable):
             'classes': ('wide',),
             'fields': ('fullname', 'email', 'phone_number',),
         }),
-        ('other', {
+        (_('other'), {
             'classes': ('wide',),
             'fields': ('avatar', 'info', 'skill'),
         }),
-        ('Password', {
+        (_('Password'), {
             'classes': ('wide',),
             'fields': ('password1', 'password2'),
         }),
@@ -72,7 +72,7 @@ class ProfessorUserAdmin(UserAdmin, AjaxDatatable):
             if existing_user:
                 # If user exists and is already a professor, show error
                 if existing_user.user_type == User.UserType.PROFESSOR:
-                    messages.error(request, f"A professor with the email {email} already exists.")
+                    messages.error(request, _("A professor with the email {email} already exists.").format(email=email))
                     return
 
                 # اضافه کردن نقش professor بدون حذف نقش‌های قبلی
@@ -93,7 +93,7 @@ class ProfessorUserAdmin(UserAdmin, AjaxDatatable):
                 existing_user.save()
 
                 # Show success message
-                messages.success(request, f"The user with email {email} has been converted to a professor.")
+                messages.success(request, _("The user with email {email} has been converted to a professor.").format(email=email))
 
                 # Set obj to None to prevent further processing
                 obj = None
@@ -106,11 +106,12 @@ class ProfessorUserAdmin(UserAdmin, AjaxDatatable):
             obj.add_role('professor')
             super().save_model(request, obj, form, change)
 
-    @admin.display(description='Phone Number')
+    @admin.display(description=_('Phone Number'))
     def _phone_number(self, obj):
         return obj.phone_number
 
 
+
     def get_readonly_fields(self, request, obj=None):
         """
         Restrict the ability to modify groups to superusers only.

apps/account/admin/student.py

@@ -1,7 +1,7 @@
 from django.contrib import admin
 from django.contrib.auth.forms import UserChangeForm, UsernameField
 from django.contrib.auth.admin import UserAdmin
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import gettext_lazy as _, ngettext
 from rest_framework.authtoken.models import TokenProxy
 from ajaxdatatable.admin import AjaxDatatable
 from unfold.admin import TabularInline, StackedInline
@@ -29,11 +29,11 @@ class StudentUserAdmin(UserAdmin, AjaxDatatable):
             'classes': ('wide',),
             'fields': ('fullname', 'email', 'phone_number',),
         }),
-        ('other', {
+        (_('other'), {
             'classes': ('wide',),
             'fields': ('avatar', 'info'),
         }),
-        ('Password', {
+        (_('Password'), {
             'classes': ('wide',),
             'fields': ('password1', 'password2'),
         }),
@@ -48,7 +48,7 @@ class StudentUserAdmin(UserAdmin, AjaxDatatable):
         }),
         (_('Important dates'), {'fields': ('last_login', 'date_joined', 'fcm')}),
     )
-    @admin.display(description='Phone Number')
+    @admin.display(description=_('Phone Number'))
     def _phone_number(self, obj):
         return obj.phone_number
     
@@ -56,7 +56,8 @@ class StudentUserAdmin(UserAdmin, AjaxDatatable):
     def enrolled_courses_count(self, obj):
         """نمایش تعداد دوره‌های شرکت کرده"""
         count = obj.participated_courses.filter(is_active=True).count()
-        return f"{count} دوره"
+        return ngettext("{count} course", "{count} courses", count).format(count=count)
+
 
 
     def get_queryset(self, request):

apps/account/admin/user.py

@@ -5,7 +5,7 @@ from django.contrib.auth.admin import GroupAdmin as BaseGroupAdmin
 from django.contrib.auth.models import Group
 from django.db import models
 from django.utils.html import format_html
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import gettext_lazy as _, ngettext
 from django.templatetags.static import static
 
 from rest_framework.authtoken.models import TokenProxy
@@ -278,7 +278,7 @@ class StudentUserAdmin(UserAdmin):
         birthdate = instance.birthdate
         age = today.year - birthdate.year - ((today.month, today.day) < (birthdate.month, birthdate.day))
         formatted_date = birthdate.strftime("%Y-%m-%d")
-        return format_html('<span title="{}">{}</span>', f"Born on {formatted_date}", age)
+        return format_html('<span title="{}">{}</span>', _("Born on {date}").format(date=formatted_date), age)
 
     @display(description=_("Courses"), dropdown=True)
     def courses_count(self, instance: StudentUser):
@@ -304,11 +304,12 @@ class StudentUserAdmin(UserAdmin):
             return "-"
 
         return {
-            "title": f"{total} {_('courses')}",
+            "title": ngettext("{total} course", "{total} courses", total).format(total=total),
             "items": items,
             "striped": True,
         }
 
+
     def get_queryset(self, request):
         return super().get_queryset(request).prefetch_related(
             "participated_courses",
@@ -443,11 +444,12 @@ class ProfessorUserAdmin(UserAdmin):
             return "-"
 
         return {
-            "title": f"{total} {_('courses')}",
+            "title": ngettext("{total} course", "{total} courses", total).format(total=total),
             "items": items,
             "striped": True,
         }
 
+
     def get_queryset(self, request):
         return super().get_queryset(request).prefetch_related("courses")
 
@@ -466,7 +468,7 @@ class GroupAdmin(BaseGroupAdmin, ModelAdmin):
     @display(description=_("Permissions"))
     def permissions_count(self, obj):
         count = obj.permissions.count()
-        return f"{count} {_('permissions')}" if count > 0 else "-"
+        return ngettext("{count} permission", "{count} permissions", count).format(count=count) if count > 0 else "-"
 
 
 # =========================================================

apps/account/migrations/0003_alter_clientuser_options_and_more.py

@@ -0,0 +1,127 @@
+# Generated by Django 5.2.12 on 2026-05-04 12:53
+
+import dj_language.field
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0002_alter_user_email_alter_user_username'),
+        ('dj_language', '0002_auto_20220120_1344'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='clientuser',
+            options={'ordering': ('-id',), 'verbose_name': 'User', 'verbose_name_plural': 'Users'},
+        ),
+        migrations.AlterModelOptions(
+            name='locationhistory',
+            options={'verbose_name': 'Location History', 'verbose_name_plural': 'Location History'},
+        ),
+        migrations.AlterModelOptions(
+            name='loginhistory',
+            options={'verbose_name': 'Login History', 'verbose_name_plural': 'Login Histories'},
+        ),
+        migrations.AlterModelOptions(
+            name='notification',
+            options={'verbose_name': 'Notification', 'verbose_name_plural': 'Notifications'},
+        ),
+        migrations.AlterModelOptions(
+            name='user',
+            options={'ordering': ('-id',), 'verbose_name': 'User', 'verbose_name_plural': 'Users'},
+        ),
+        migrations.AlterField(
+            model_name='locationhistory',
+            name='at_time',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='at time'),
+        ),
+        migrations.AlterField(
+            model_name='locationhistory',
+            name='ip',
+            field=models.CharField(blank=True, max_length=255, null=True, verbose_name='ip'),
+        ),
+        migrations.AlterField(
+            model_name='locationhistory',
+            name='selected_manually',
+            field=models.BooleanField(blank=True, null=True, verbose_name='selected manually'),
+        ),
+        migrations.AlterField(
+            model_name='locationhistory',
+            name='timezone',
+            field=models.CharField(blank=True, max_length=60, null=True, verbose_name='timezone'),
+        ),
+        migrations.AlterField(
+            model_name='locationhistory',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='location_history', to=settings.AUTH_USER_MODEL, verbose_name='user'),
+        ),
+        migrations.AlterField(
+            model_name='loginhistory',
+            name='at_time',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='at time'),
+        ),
+        migrations.AlterField(
+            model_name='loginhistory',
+            name='device_os',
+            field=models.CharField(blank=True, max_length=16, null=True, verbose_name='Device os'),
+        ),
+        migrations.AlterField(
+            model_name='loginhistory',
+            name='ip',
+            field=models.CharField(max_length=255, null=True, verbose_name='ip'),
+        ),
+        migrations.AlterField(
+            model_name='loginhistory',
+            name='timezone',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='timezone'),
+        ),
+        migrations.AlterField(
+            model_name='loginhistory',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='login_history', to=settings.AUTH_USER_MODEL, verbose_name='user'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='avatar',
+            field=models.ImageField(blank=True, max_length=512, null=True, upload_to='users/avatars/%Y/%m/', verbose_name='Avatar'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='deleted_at',
+            field=models.DateTimeField(blank=True, null=True, verbose_name='deleted at'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='device_os',
+            field=models.CharField(choices=[('android', 'android'), ('apple', 'apple'), ('web', 'web')], max_length=16, null=True, verbose_name='device os'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='fcm',
+            field=models.CharField(blank=True, max_length=512, null=True, verbose_name='fcm'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='is_staff',
+            field=models.BooleanField(default=False, verbose_name='is staff'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='language',
+            field=dj_language.field.LanguageField(default=69, limit_choices_to={'status': True}, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='dj_language.language', verbose_name='Language'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='skill',
+            field=models.CharField(blank=True, max_length=512, null=True, verbose_name='skill'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='slug',
+            field=models.SlugField(blank=True, max_length=255, null=True, unique=True, verbose_name='slug'),
+        ),
+    ]

apps/account/models/groups.py

@@ -1,3 +1,4 @@
+from django.utils.translation import gettext_lazy as _
 from apps.account.models import User
 from apps.account.manager import *
 
@@ -19,8 +20,8 @@ class ProfessorUser(User):
 
     class Meta:
         proxy = True
-        verbose_name = "Professor User"
-        verbose_name_plural = "Professor Users"
+        verbose_name = _("Professor User")
+        verbose_name_plural = _("Professor Users")
 
 
 
@@ -39,8 +40,8 @@ class ClientUser(User):
     class Meta:
         proxy = True
 
-        verbose_name = 'user'
-        verbose_name_plural = 'users'
+        verbose_name = _('User')
+        verbose_name_plural = _('Users')
         ordering = ('-id',)
 
 
@@ -57,8 +58,8 @@ class AdminUser(User):
 
     class Meta:
         proxy = True
-        verbose_name = "Admin User"
-        verbose_name_plural = "Admin Users"
+        verbose_name = _("Admin User")
+        verbose_name_plural = _("Admin Users")
         
         
 
@@ -74,8 +75,8 @@ class SuperAdminUser(User):
 
     class Meta:
         proxy = True
-        verbose_name = "Super Admin User"
-        verbose_name_plural = "Super Admin Users"
+        verbose_name = _("Super Admin User")
+        verbose_name_plural = _("Super Admin Users")
         
 
 
@@ -91,5 +92,5 @@ class StudentUser(User):
 
     class Meta:
         proxy = True
-        verbose_name = "Student User"
-        verbose_name_plural = "Student Users"
+        verbose_name = _("Student User")
+        verbose_name_plural = _("Student Users")

apps/account/models/notification.py

@@ -1,11 +1,11 @@
 from django.db import models
-from django.utils.translation import gettext as _
+from django.utils.translation import gettext_lazy as _
 
 
 class Notification(models.Model):
     class ServiceChoices(models.TextChoices):
-        IMAM_JAVAD = 'imam-javad', 'Imam Javad'
-        DOBOODI = 'doboodi', 'Doboodi'
+        IMAM_JAVAD = 'imam-javad', _('Imam Javad')
+        DOBOODI = 'doboodi', _('Doboodi')
 
     title = models.CharField(max_length=255, verbose_name=_('title'))
     message = models.TextField(max_length=512, verbose_name=_('message'))
@@ -20,6 +20,11 @@ class Notification(models.Model):
     created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('created at'), null=True)
     updated_at = models.DateTimeField(auto_now=True, verbose_name=_('updated at'), null=True)
 
+    class Meta:
+        verbose_name = _('Notification')
+        verbose_name_plural = _('Notifications')
+
     def __str__(self):
         return self.title
 
+

apps/account/models/user.py

@@ -14,65 +14,65 @@ from apps.account.manager import UserManager
 
 class User(AbstractUser):
     class DeviceOs(models.TextChoices):
-        android = 'android', 'android'
-        apple = 'apple', 'apple'
-        web = 'web', 'web'
+        android = 'android', _('android')
+        apple = 'apple', _('apple')
+        web = 'web', _('web')
 
     class UserType(models.TextChoices):
-        PROFESSOR = 'professor', 'Professor'
-        CLIENT = 'client', 'Client'
-        STUDENT = 'student', "Student"
-        ADMIN = 'admin', 'Admin'
-        SUPER_ADMIN = 'super_admin', 'Super Admin'
+        PROFESSOR = 'professor', _('Professor')
+        CLIENT = 'client', _('Client')
+        STUDENT = 'student', _("Student")
+        ADMIN = 'admin', _('Admin')
+        SUPER_ADMIN = 'super_admin', _('Super Admin')
         
     class GenderChoices(models.TextChoices):
-        MALE = 'male', 'Male'
-        FEMALE = 'female', 'Female'
+        MALE = 'male', _('Male')
+        FEMALE = 'female', _('Female')
         
     last_name = None
     first_name = None
     username = models.CharField(unique=True, null=True, blank=True, max_length=150, 
-                                verbose_name=_("Username"),
-                                error_messages={'unique': _("A user with that username already exists.")})
+                                 verbose_name=_("Username"),
+                                 error_messages={'unique': _("A user with that username already exists.")})
     email = models.EmailField(unique=True, verbose_name=_("Email Address"), 
-                              help_text=_("Enter the user's email address."), 
-                              null=True, blank=True,
-                              error_messages={'unique': _("A user with that email already exists.")})
+                               help_text=_("Enter the user's email address."), 
+                               null=True, blank=True,
+                               error_messages={'unique': _("A user with that email already exists.")})
     fullname = models.CharField(max_length=255, verbose_name=_("Full Name"), 
-                                help_text=_("Enter the full name of the user."), 
-                                null=True, blank=True)
+                                 help_text=_("Enter the full name of the user."), 
+                                 null=True, blank=True)
     birthdate = models.DateField(verbose_name=_('birthdate'), null=True, blank=True)
 
-    avatar = models.ImageField(max_length=512, null=True, blank=True, upload_to='users/avatars/%Y/%m/')
+    avatar = models.ImageField(max_length=512, null=True, blank=True, upload_to='users/avatars/%Y/%m/', verbose_name=_('Avatar'))
     phone_number = PhoneNumberField(
         validators=[validate_possible_number],
         null=True,
         blank=True,
         verbose_name=_('Phone Number'),
-        help_text="e.g., +49 151 12345678"
+        help_text=_("e.g., +49 151 12345678")
     )
-    language = LanguageField(null=True)
+    language = LanguageField(null=True, verbose_name=_('Language'))
 
-    gender = models.CharField(max_length=20, choices=GenderChoices.choices, null=True, blank=True, verbose_name=_('Gender'), help_text="Select the user's gender.")
-    user_type = models.CharField(max_length=20, choices=UserType.choices, default=UserType.CLIENT, verbose_name="User Type", help_text="Type of the user.")
-    date_joined = models.DateTimeField(auto_now_add=True, verbose_name="Date Joined", help_text="The date and time the user registered.")
+    gender = models.CharField(max_length=20, choices=GenderChoices.choices, null=True, blank=True, verbose_name=_('Gender'), help_text=_("Select the user's gender."))
+    user_type = models.CharField(max_length=20, choices=UserType.choices, default=UserType.CLIENT, verbose_name=_("User Type"), help_text=_("Type of the user."))
+    date_joined = models.DateTimeField(auto_now_add=True, verbose_name=_("Date Joined"), help_text=_("The date and time the user registered."))
     
     city =  models.CharField(verbose_name=_('City'), max_length=255, null=True, blank=True)
     country = models.CharField(max_length=255, verbose_name=_('country'), null=True, blank=True)
     
     device_id = models.CharField(verbose_name=_('device id'), max_length=255, null=True, blank=True)
-    device_os = models.CharField(choices=DeviceOs.choices, null=True, max_length=16)
+    device_os = models.CharField(choices=DeviceOs.choices, null=True, max_length=16, verbose_name=_('device os'))
     user_agent = models.TextField(verbose_name=_('user agent'), null=True, blank=True)
     client_ip = models.TextField(verbose_name=_('client ip'), null=True, blank=True)
 
-    fcm = models.CharField(max_length=512, null=True, blank=True)
-    slug = models.SlugField(max_length=255, unique=True, null=True, blank=True)
+    fcm = models.CharField(max_length=512, null=True, blank=True, verbose_name=_('fcm'))
+    slug = models.SlugField(max_length=255, unique=True, null=True, blank=True, verbose_name=_('slug'))
     experience_years = models.PositiveIntegerField(default=0, verbose_name=_('Experience years'))
-    is_staff = models.BooleanField(default=False)
-    is_active = models.BooleanField(default=True, verbose_name="Active", help_text="Designates whether this user should be treated as active. Unselect this instead of deleting accounts.")
-    deleted_at = models.DateTimeField(null=True, blank=True)
-    info = models.TextField(verbose_name="Info", null=True, blank=True)
-    skill = models.CharField(max_length=512, null=True, blank=True)
+    is_staff = models.BooleanField(default=False, verbose_name=_('is staff'))
+    is_active = models.BooleanField(default=True, verbose_name=_("Active"), help_text=_("Designates whether this user should be treated as active. Unselect this instead of deleting accounts."))
+    deleted_at = models.DateTimeField(null=True, blank=True, verbose_name=_('deleted at'))
+    info = models.TextField(verbose_name=_("Info"), null=True, blank=True)
+    skill = models.CharField(max_length=512, null=True, blank=True, verbose_name=_('skill'))
     objects = UserManager()
      
      
@@ -286,8 +286,8 @@ class User(AbstractUser):
         
     class Meta:
         ordering = ("-id",)
-        verbose_name = "All Users"
-        verbose_name_plural = "All Users"
+        verbose_name = _("User")
+        verbose_name_plural = _("Users")
         unique_together = (
             'email', 
         )
@@ -295,26 +295,35 @@ class User(AbstractUser):
 
 
 class LoginHistory(models.Model):
-    user = models.ForeignKey("account.User", on_delete=models.CASCADE, related_name='login_history')
+    user = models.ForeignKey("account.User", on_delete=models.CASCADE, related_name='login_history', verbose_name=_('user'))
     lat = models.FloatField(verbose_name=_('lat'), null=True, blank=True)
     lon = models.FloatField(verbose_name=_('lon'), null=True, blank=True)
     country = models.CharField(max_length=255, verbose_name=_('country'), null=True, blank=True)
     city = models.CharField(max_length=255, verbose_name=_('city'), null=True, blank=True)
-    ip = models.CharField(max_length=255, null=True)
-    timezone = models.CharField(max_length=100, null=True, blank=True)
+    ip = models.CharField(max_length=255, null=True, verbose_name=_('ip'))
+    timezone = models.CharField(max_length=100, null=True, blank=True, verbose_name=_('timezone'))
     user_agent = models.TextField(verbose_name=_('user agent'), null=True, blank=True)
-    device_os = models.CharField(max_length=16, null=True, blank=True)
-    at_time = models.DateTimeField(auto_now_add=True)
+    device_os = models.CharField(max_length=16, null=True, blank=True, verbose_name=_('Device os'))
+    at_time = models.DateTimeField(auto_now_add=True, verbose_name=_('at time'))
+
+    class Meta:
+        verbose_name = _('Login History')
+        verbose_name_plural = _('Login Histories')
 
 
 class LocationHistory(models.Model):
-    user = models.ForeignKey("account.User", on_delete=models.CASCADE, related_name='location_history')
+    user = models.ForeignKey("account.User", on_delete=models.CASCADE, related_name='location_history', verbose_name=_('user'))
     lat = models.FloatField(verbose_name=_('lat'))
     lon = models.FloatField(verbose_name=_('lon'))
     country = models.CharField(max_length=255, verbose_name=_('country'), null=True, blank=True)
     city = models.CharField(max_length=255, verbose_name=_('city'), null=True, blank=True)
-    selected_manually = models.BooleanField(null=True, blank=True)
-    ip = models.CharField(max_length=255, null=True, blank=True)
-    timezone = models.CharField(null=True, blank=True, max_length=60)
-    at_time = models.DateTimeField(auto_now_add=True)
+    selected_manually = models.BooleanField(null=True, blank=True, verbose_name=_('selected manually'))
+    ip = models.CharField(max_length=255, null=True, blank=True, verbose_name=_('ip'))
+    timezone = models.CharField(null=True, blank=True, max_length=60, verbose_name=_('timezone'))
+    at_time = models.DateTimeField(auto_now_add=True, verbose_name=_('at time'))
+
+    class Meta:
+        verbose_name = _('Location History')
+        verbose_name_plural = _('Location History')
+
 

apps/certificate/migrations/0002_alter_certificate_course_and_more.py

@@ -0,0 +1,36 @@
+# Generated by Django 5.2.12 on 2026-05-04 12:53
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0003_alter_clientuser_options_and_more'),
+        ('certificate', '0001_initial'),
+        ('course', '0006_alter_course_professor_alter_course_video_file_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='certificate',
+            name='course',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='course_certificates', to='course.course', verbose_name='Course'),
+        ),
+        migrations.AlterField(
+            model_name='certificate',
+            name='created_at',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='Created at'),
+        ),
+        migrations.AlterField(
+            model_name='certificate',
+            name='status',
+            field=models.CharField(choices=[('pending', 'pending'), ('approved', 'approved'), ('canceled', 'canceled')], default='pending', max_length=10, verbose_name='Status'),
+        ),
+        migrations.AlterField(
+            model_name='certificate',
+            name='student',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='certificates', to='account.studentuser', verbose_name='Student'),
+        ),
+    ]

apps/certificate/models.py

@@ -14,12 +14,12 @@ class Certificate(models.Model):
         ('canceled', _('canceled')),
     ]
 
-    student = models.ForeignKey(StudentUser, on_delete=models.CASCADE, related_name='certificates')
-    course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='course_certificates')
-    status = models.CharField(max_length=10, choices=STATUS_CHOICES, default='pending')
+    student = models.ForeignKey(StudentUser, on_delete=models.CASCADE, related_name='certificates', verbose_name=_('Student'))
+    course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='course_certificates', verbose_name=_('Course'))
+    status = models.CharField(max_length=10, choices=STATUS_CHOICES, default='pending', verbose_name=_('Status'))
     certificate_file = models.FileField(upload_to='certificates/', null=True, blank=True, verbose_name=_('certificate_file'))
 
-    created_at = models.DateTimeField(auto_now_add=True)
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('Created at'))
     updated_at = models.DateTimeField(auto_now=True)
 
     def __str__(self):

apps/course/admin/live_session.py

@@ -22,6 +22,15 @@ from django.contrib.auth import get_user_model
 User = get_user_model()
 
 
+# 🔔 CUSTOM FILTER: Only show active, non-guest users in the right sidebar filter
+class ActiveUserDropdownFilter(MultipleRelatedDropdownFilter):
+    def field_choices(self, field, request, model_admin):
+        return field.get_choices(
+            include_blank=False,
+            limit_choices_to={'is_active': True, 'email__isnull': False}
+        )
+
+
 # --- WIDTH ENFORCEMENT & PLACEHOLDER TEXT FOR DROPDOWNS ---
 class MinWidthInlineForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
@@ -62,7 +71,7 @@ class LiveSessionUserInline(StackedInline):
     verbose_name = _("Session User")
     verbose_name_plural = _("Session Users")
 
-    # 🔔 FILTER THE USER DROPDOWN TO ONLY SHOW ACTIVE & NON-GUEST USERS
+    # 🔔 FILTER THE USER DROPDOWN IN THE FORM ITSELF
     def formfield_for_foreignkey(self, db_field, request, **kwargs):
         if db_field.name == "user":
             kwargs["queryset"] = User.objects.filter(is_active=True, email__isnull=False)
@@ -113,7 +122,7 @@ class LiveSessionUserAdmin(ModelAdmin):
     list_display = ("user", "session", "role", "is_online", "entered_at", "exited_at")
     list_filter = (
         ("session", MultipleRelatedDropdownFilter),
-        ("user", MultipleRelatedDropdownFilter),
+        ("user", ActiveUserDropdownFilter),  # 🔔 APPLIED CUSTOM FILTER HERE!
         ("role", ChoicesDropdownFilter),
         ("entered_at", RangeDateFilter),
         ("is_online", admin.BooleanFieldListFilter),
@@ -134,7 +143,7 @@ class LiveSessionUserAdmin(ModelAdmin):
     def get_role_choices(self, request):
         return USER_ROLE_CHOICES
 
-    # 🔔 FILTER THE STANDALONE ADMIN FORM AS WELL JUST IN CASE
+    # FILTER THE STANDALONE ADMIN FORM AS WELL JUST IN CASE
     def formfield_for_foreignkey(self, db_field, request, **kwargs):
         if db_field.name == "user":
             kwargs["queryset"] = User.objects.filter(is_active=True, email__isnull=False)

apps/course/migrations/0006_alter_course_professor_alter_course_video_file_and_more.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.2.12 on 2026-05-04 12:53
+
+import apps.course.models.course
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0003_alter_clientuser_options_and_more'),
+        ('course', '0005_alter_course_discount_percentage'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='course',
+            name='professor',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='courses', to='account.professoruser', verbose_name='Professor'),
+        ),
+        migrations.AlterField(
+            model_name='course',
+            name='video_file',
+            field=models.FileField(blank=True, null=True, upload_to=apps.course.models.course.course_file_upload_to, verbose_name='Video File'),
+        ),
+        migrations.AlterField(
+            model_name='course',
+            name='video_link',
+            field=models.CharField(blank=True, max_length=500, null=True, verbose_name='Video Link'),
+        ),
+    ]

apps/course/models/course.py

@@ -69,7 +69,8 @@ class Course(models.Model):
     professor = models.ForeignKey(
         ProfessorUser,
         on_delete=models.CASCADE,
-        related_name="courses"
+        related_name="courses",
+        verbose_name=_("Professor")
     )
     
     thumbnail = models.ImageField(upload_to="courses/thumbnails/", verbose_name=_('Thumbnail'))
@@ -81,9 +82,10 @@ class Course(models.Model):
     video_file = models.FileField(
         upload_to=course_file_upload_to,
         null=True,
-        blank=True
+        blank=True,
+        verbose_name=_("Video File")
     )
-    video_link = models.CharField(max_length=500, null=True, blank=True)
+    video_link = models.CharField(max_length=500, null=True, blank=True, verbose_name=_("Video Link"))
 
     is_online = models.BooleanField(default=False, verbose_name=_('Is Online Course'))
     online_link = models.CharField(max_length=500, null=True, blank=True, verbose_name=_('Online Class Link'))