fix auto values for inserted field

cntmanage/flightslot/actions/send_email.py

@@ -31,6 +31,7 @@ def send_mail_password(request: HttpRequest, queryset: QuerySet[Student]) -> Non
         img.add_header("Content-Disposition", "inline", filename="cantorair.png")     
     
     # build mail list filling template
+    queryset = queryset.filter(mail_sent=False)
     mails: List[EmailMultiAlternatives] = []
     for student in queryset:
         if not student.user or not student.email: # skip student if has not an associated user
@@ -56,18 +57,25 @@ def send_mail_password(request: HttpRequest, queryset: QuerySet[Student]) -> Non
             mail.attach(filename=img)
             mail.attach_alternative(content=html_message, mimetype="text/html")
             mails.append(mail)
+            student.mail_sent = True
+            student.save()
         except Exception as e:
             messages.error(request=request, message=f"General Error: {e}")
     
+    if len(mails) == 0:
+        messages.warning(request=request, message="No email will be sent")
+        return 
+    
     # Open only one conenction and send mass email
     try:
+        sent: int = 0
         with get_connection() as conn:
-            conn.send_messages(mails)
+            sent = conn.send_messages(mails)
     except SMTPException as e:
         messages.error(request=request, message=f"Send Mail SMTP error: {e.strerror}")
     except Exception as e:
         messages.error(request=request, message=f"Send Mail General error: {e}")
     else:
-        messages.success(request=request, message=f"Successfully sent {len(mails)} messages")
+        messages.success(request=request, message=f"Successfully sent {sent} messages")
     
     return 

cntmanage/flightslot/admins/student_adm.py

@@ -69,7 +69,7 @@ class ChangeAircraftForm(AdminActionForm):
 
 class StudentAdmin(ImportMixin, AdminConfirmMixin, AdminActionFormsMixin, admin.ModelAdmin):
     model = Student
-    list_display = ("surname", "name", "course", "course_color", "email", "phone", "username", "password", "active", )
+    list_display = ("surname", "name", "course", "course_color", "email", "phone", "username", "password", "active", "mail_sent")
     list_filter = ("course", "active", )
     search_fields = ("surname", "name", "phone", "email", )
     actions = ("change_course", "deactivate_students", "change_aircraft", "send_mail", )

cntmanage/flightslot/admins/weekpref_adm.py

@@ -19,14 +19,15 @@ from ..custom.colortag import course_color
 from ..custom.student_permissions import has_edit_permission, has_week_add_permission
 from ..actions.exportweek import export_selected
 
-from datetime import date
-from typing import Dict, List, Any
+from datetime import date, datetime
+from typing import Dict, List, Tuple, Any
 
 class WeekPreferenceAdmin(nested_admin.NestedPolymorphicModelAdmin):
-    list_display = ("week", "student__surname", "student__name", "student__course", "course_color", "student_brief_mix", )
+    #list_display = ("week", "student__surname", "student__name", "student__course", "course_color", "student_brief_mix", "inserted")
     list_filter = ("week", "student__course", )
     search_fields = ("student__surname","student__name", )
     actions = ("export", )
+    readonly_fields = ("inserted", )
 
     @admin.action(description="Export Selected Preferences")
     def export(self, request: HttpRequest, queryset: QuerySet[WeekPreference]) -> HttpResponse | None:
@@ -47,6 +48,12 @@ class WeekPreferenceAdmin(nested_admin.NestedPolymorphicModelAdmin):
             return SafeText("")
         return course_color(obj.student.course.color)
     
+    # Hide brief mix count and inserted fields for students
+    def get_list_display(self, request: HttpRequest) -> Tuple:
+        if hasattr(request.user, "student"):
+            return ("week", "student__surname", "student__name", "student__course", "course_color", )
+        return ("week", "student__surname", "student__name", "student__course", "course_color", "student_brief_mix", "inserted")
+    
     # If a user is registered as student hide filters
     def get_list_filter(self, request: HttpRequest) -> List[str]:
         list_filter = super().get_list_filter(request)
@@ -90,7 +97,6 @@ class WeekPreferenceAdmin(nested_admin.NestedPolymorphicModelAdmin):
     def get_form(self, request: HttpRequest, obj: WeekPreference | None = None, **kwargs: Dict[str, Any]) -> Form:
         form: Form = super().get_form(request, obj, **kwargs)
         current_week = date.today().isocalendar().week
-
         # If form contains the week field
         if "week" in form.base_fields:
             # Set default value as current week

cntmanage/flightslot/migrations/0030_weekpreference_inserted_alter_availability_week_and_more.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.2.8 on 2025-12-10 10:18
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0029_alter_course_ctype'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='weekpreference',
+            name='inserted',
+            field=models.DateField(default=datetime.date(2025, 12, 10)),
+        ),
+        migrations.AlterField(
+            model_name='availability',
+            name='week',
+            field=models.PositiveSmallIntegerField(auto_created=True, db_default=50, db_index=True, verbose_name='Week Number'),
+        ),
+        migrations.AlterField(
+            model_name='weekpreference',
+            name='week',
+            field=models.PositiveSmallIntegerField(auto_created=True, db_default=50, db_index=True, verbose_name='Week Number'),
+        ),
+    ]

cntmanage/flightslot/migrations/0031_student_mail_sent_alter_student_phone.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.2.8 on 2025-12-10 10:28
+
+import phonenumber_field.modelfields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0030_weekpreference_inserted_alter_availability_week_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='student',
+            name='mail_sent',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AlterField(
+            model_name='student',
+            name='phone',
+            field=phonenumber_field.modelfields.PhoneNumberField(db_index=True, max_length=128, null=True, region=None, unique=True),
+        ),
+    ]

cntmanage/flightslot/migrations/0032_alter_weekpreference_inserted.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.2.8 on 2025-12-10 10:47
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0031_student_mail_sent_alter_student_phone'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='weekpreference',
+            name='inserted',
+            field=models.DateTimeField(default=datetime.datetime(2025, 12, 10, 10, 47, 2, 305637)),
+        ),
+    ]

cntmanage/flightslot/migrations/0033_alter_weekpreference_inserted.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.2.8 on 2025-12-10 11:02
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0032_alter_weekpreference_inserted'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='weekpreference',
+            name='inserted',
+            field=models.DateTimeField(default=datetime.datetime(2025, 12, 10, 11, 2, 58, 110972)),
+        ),
+    ]

cntmanage/flightslot/migrations/0034_alter_weekpreference_inserted.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.8 on 2025-12-10 11:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0033_alter_weekpreference_inserted'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='weekpreference',
+            name='inserted',
+            field=models.DateTimeField(auto_now_add=True),
+        ),
+    ]

cntmanage/flightslot/models/students.py

@@ -19,6 +19,7 @@ class Student(models.Model):
 
     phone = modelfields.PhoneNumberField(
         null=True,
+        db_index=True,
         unique=True
     )
 
@@ -54,6 +55,11 @@ class Student(models.Model):
         Aircraft
     )
 
+    mail_sent = models.BooleanField(
+        null=False,
+        default=False
+    )
+
     def default_password(self) -> str:  # Maximum 4 digits for passowrd
         if self.pk:
             return f"{self.name.lower()[0]}{self.surname.lower()}{self.id % 10000}"

cntmanage/flightslot/models/weekpref.py

@@ -24,5 +24,10 @@ class WeekPreference(models.Model):
         verbose_name="Student Selection"
     )
 
+    inserted = models.DateTimeField(
+        null=False,
+        auto_now_add=True
+    )
+
     def __str__(self):
         return f"Week {self.week} - {self.student.surname} {self.student.name[0]}."