feat: replace email flows with in-app notifications

Add recipient notification detail and filtering, a queued admin composer, and contextual automatic titles. Retire email delivery, obsolete auth routes, newsletter data, and related templates and settings.

apps/users/admin.py

@@ -1,15 +1,15 @@
 from django import forms
-from django.utils import timezone
-from django.conf import settings
 from django.contrib import admin, messages
 from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
+from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
+from django.template.response import TemplateResponse
 
 from import_export.admin import ImportExportModelAdmin
 from simplemde.widgets import SimpleMDEEditor
 
 from apps.users.models import User, University, Major
 from apps.users.resources import UserResource
-from apps.users.tasks import send_verification_email
+from apps.notifications.tasks import send_manual_notification
 from core.admin import SoftDeleteListFilter, BaseModelAdmin
 
 
@@ -22,6 +22,12 @@ class UserAdminForm(forms.ModelForm):
         model = User
         fields = '__all__'
 
+
+class ManualNotificationForm(forms.Form):
+    title = forms.CharField(max_length=200, label="عنوان")
+    digest = forms.CharField(max_length=500, label="توضیح کوتاه", widget=forms.Textarea(attrs={"rows": 3}))
+    body_markdown = forms.CharField(required=False, label="متن کامل (Markdown)", widget=SimpleMDEEditor())
+
 @admin.register(User)
 class UserAdmin(BaseUserAdmin, BaseModelAdmin, ImportExportModelAdmin):
     form = UserAdminForm
@@ -41,16 +47,10 @@ class UserAdmin(BaseUserAdmin, BaseModelAdmin, ImportExportModelAdmin):
         }),
         ('Important dates', {'fields': ('last_login', 'date_joined')}),
         
-        ('Email Verification', {
-            'fields': ('is_email_verified', 'email_verification_token', 'email_verification_sent_at')
-        }),
+        ('Email identity', {'fields': ('is_email_verified',)}),
         ('Mobile Verification', {
             'fields': ('is_mobile_verified',)
         }),
-        ('Password Reset', {
-            'fields': ('password_reset_token', 'password_reset_token_expires_at'),
-            'classes': ('collapse',)
-        }),
         ('Soft Delete', {
             'fields': ('is_deleted', 'deleted_at'),
             'classes': ('collapse',)
@@ -66,50 +66,44 @@ class UserAdmin(BaseUserAdmin, BaseModelAdmin, ImportExportModelAdmin):
         ),
     )
 
-    readonly_fields = ('email_verification_token', 'email_verification_sent_at', 'deleted_at',
-                       'password_reset_token', 'password_reset_token_expires_at')
+    readonly_fields = ('deleted_at',)
     
-    actions = BaseModelAdmin.actions + [
-        'verify_emails', 
-        'resend_verification_email',
-    ]
-    
-    @admin.action(description='Verify selected user emails')
-    def verify_emails(self, request, queryset):
-        queryset.update(is_email_verified=True)
-        self.message_user(request, f'Verified {queryset.count()} user emails.')
+    actions = BaseModelAdmin.actions + ['send_notification']
 
-    @admin.action(description="Resend verification email")
-    def resend_verification_email(self, request, queryset):
-        qs = queryset.filter(is_email_verified=False).exclude(email__isnull=True).exclude(email="")
+    def get_actions(self, request):
+        actions = super().get_actions(request)
+        if not request.user.has_perm('users.send_notification'):
+            actions.pop('send_notification', None)
+        return actions
 
-        total = queryset.count()
-        to_send = qs.count()
-        skipped = total - to_send
-        sent = failed = 0
-
-        for user in qs:
-            try:
-                user.regenerate_verification_token()
-                user.email_verification_sent_at = timezone.now()
-                user.save(update_fields=["email_verification_sent_at"])
-
-                verification_url = f"{settings.FRONTEND_ROOT}verify-email/{user.email_verification_token}"
-                send_verification_email.delay(user.id, verification_url)
-                sent += 1
-            except Exception as exc:
-                failed += 1
-
-        if sent:
-            self.message_user(request, f"ایمیل تأیید برای {sent} کاربر ارسال شد.", level=messages.SUCCESS)
-        if skipped:
-            self.message_user(
-                request,
-                f"{skipped} کاربر کنار گذاشته شدند (یا قبلاً تأیید شده‌اند یا ایمیل ندارند).",
-                level=messages.WARNING,
+    @admin.action(description="Send in-app notification to selected users")
+    def send_notification(self, request, queryset):
+        if not request.user.has_perm('users.send_notification'):
+            self.message_user(request, "اجازه ارسال اعلان ندارید.", level=messages.ERROR)
+            return None
+        form = ManualNotificationForm(request.POST if 'confirm_send' in request.POST else None)
+        user_ids = list(queryset.filter(is_active=True, is_deleted=False).values_list('pk', flat=True))
+        if not user_ids:
+            self.message_user(request, "کاربر فعال برای ارسال انتخاب نشده است.", level=messages.WARNING)
+            return None
+        if 'confirm_send' in request.POST and form.is_valid() and user_ids:
+            send_manual_notification.delay(
+                user_ids,
+                form.cleaned_data['title'],
+                form.cleaned_data['digest'],
+                form.cleaned_data['body_markdown'] or None,
             )
-        if failed:
-            self.message_user(request, f"ارسال برای {failed} کاربر با خطا مواجه شد.", level=messages.ERROR)
+            self.message_user(request, f"ارسال اعلان برای {len(user_ids)} کاربر در صف قرار گرفت.")
+            return None
+        return TemplateResponse(request, 'admin/users/send_notification.html', {
+            **self.admin_site.each_context(request),
+            'title': 'ارسال اعلان',
+            'opts': self.model._meta,
+            'form': form,
+            'selected_ids': user_ids,
+            'selected_count': len(user_ids),
+            'action_checkbox_name': ACTION_CHECKBOX_NAME,
+        })
 
 
 @admin.register(University)