Merge pull request 'instructor-class' (#3) from instructor-class into flightslot

Reviewed-on: #3

cntmanage/cntmanage/settings.py

@@ -43,7 +43,8 @@ INSTALLED_APPS = [
     'colorfield',
     'import_export',
     'django_admin_action_forms',
-    'polymorphic'
+    'polymorphic',
+    "phonenumber_field",
 ]
 
 # Import Export plugin settings

cntmanage/cntmanage/settings_prod.py

@@ -47,7 +47,8 @@ INSTALLED_APPS = [
     'colorfield',
     'import_export',
     'django_admin_action_forms',
-    'polymorphic'
+    'polymorphic',
+    "phonenumber_field",
 ]
 
 # Import Export plugin settings

cntmanage/cntmanage/urls.py

@@ -2,10 +2,12 @@ from django.contrib import admin
 from django.urls import path
 from django.shortcuts import redirect
 from flightslot.admin import flightslot_user
+from flightslot.admin import flightslot_staff
 
 urlpatterns = [
     #path('', RedirectView.as_view(url='/admin/', permanent=False)),
     path('admin/', admin.site.urls),
     path('user/', flightslot_user.urls),
+    path('staff/', flightslot_staff.urls),
     path("", lambda r: redirect("/user/")),              # la root porta gli utenti nella pagina giusta
 ]

cntmanage/flightslot/actions/assign_aircraft.py

@@ -1,12 +1,13 @@
 from django.db.models.query import QuerySet, Q
 
+from ..models.instructors import Instructor
 from ..models.students import Student
 from ..models.missions import MissionProfile
 from ..models.aircrafts import Aircraft, AircraftTypes
 
 from typing import List, Dict, Tuple
 
-def assign_aircraft(queryset: QuerySet[Student] | QuerySet[MissionProfile], data: Dict[str, List[AircraftTypes]]) -> Tuple[int, List[str]]:
+def assign_aircraft(queryset: QuerySet[Student] | QuerySet[MissionProfile] | QuerySet[Instructor], data: Dict[str, List[AircraftTypes]]) -> Tuple[int, List[str]]:
     i: int = 0
     ac_types: List[AircraftTypes] = data["aircrafts"]
     ac_query: Q = Q() # Build an or query to select all aircrafts of the specified types

cntmanage/flightslot/actions/assign_profile.py

@@ -0,0 +1,20 @@
+from django.db.models.query import QuerySet, Q
+from ..models.instructors import Instructor
+from ..models.missions import MissionProfile, MissionTypes
+
+from typing import List, Dict, Tuple
+
+def assign_profile(queryset: QuerySet[Instructor], data: Dict[str, List[MissionTypes]]) -> Tuple[int, List[str]]:
+    i: int = 0
+    mix_types: List[MissionTypes] = data["mission_profiles"]
+    mix_query: Q = Q() # Build an or query to select all aircrafts of the specified types
+    for m in mix_types:
+        mix_query |= Q(mtype=m)
+    profiles: QuerySet[MissionProfile] = MissionProfile.objects.filter(mix_query).all() # Execute query
+    for obj in queryset:
+        obj.missions.clear()
+        for ac in profiles:
+            obj.missions.add(ac)
+        obj.save()
+        i += 1
+    return i, [m for m in mix_types]

cntmanage/flightslot/admin.py

@@ -6,22 +6,28 @@ from .models.courses import Course
 from .models.students import Student
 from .models.missions import MissionProfile
 from .models.weekpref import WeekPreference
+from .models.instructors import Instructor
+from .models.availabilities import Availability
 
 from .admins.aircraft_adm import AircraftAdmin
 from .admins.course_adm import CourseAdmin
 from .admins.student_adm import StudentAdmin
 from .admins.mission_adm import MissionProfileAdmin
 from .admins.weekpref_adm import WeekPreferenceAdmin
+from .admins.instructor_admin import InstructorAdmin
+from .admins.availability_adm import AvailabilityAdmin
 
 from django.contrib.admin import AdminSite
 
 from os import environ
 
-# User website under /user/ URL
+##################################
+# User website under /user/ URL #
+##################################
 class FlightSlotUserSite(AdminSite):
     site_header = "Flight Scheduler 🛫"
     site_title = "Flight Scheduler 🛫"
-    index_title = "Welcome to CantorAir Flight Scheduler Portal"
+    index_title = "Welcome to CantorAir Flight Scheduler Student Portal"
 
     def get_app_list(self, request: HttpRequest, *args, **kwargs):
         app_list = super().get_app_list(request)
@@ -35,6 +41,27 @@ class FlightSlotUserSite(AdminSite):
 flightslot_user = FlightSlotUserSite(name="user_site")
 flightslot_user.register(WeekPreference, WeekPreferenceAdmin)
 
+##################################
+# User website under /staff/ URL #
+##################################
+class FlightSlotStaffSite(AdminSite):
+    site_header = "Flight Scheduler Staff 🛫"
+    site_title = "Flight Scheduler Staff 🛫"
+    index_title = "Welcome to CantorAir Flight Scheduler Staff Portal"
+
+    def get_app_list(self, request: HttpRequest, *args, **kwargs):
+        app_list = super().get_app_list(request)
+        
+        if not request.user.is_superuser:
+            self.enable_nav_sidebar = False
+        
+        return app_list
+
+# Register only user visible models
+flightslot_staff = FlightSlotUserSite(name="staff_site")
+flightslot_staff.register(Availability, AvailabilityAdmin)
+flightslot_staff.register(MissionProfile, MissionProfileAdmin)
+flightslot_staff.register(Instructor, InstructorAdmin)
 
 # Get version for debug purposes
 ver: str = environ.get("VERSION", "dev")
@@ -48,3 +75,5 @@ admin.site.register(Course, CourseAdmin)
 admin.site.register(MissionProfile, MissionProfileAdmin)
 admin.site.register(Student, StudentAdmin)
 admin.site.register(WeekPreference, WeekPreferenceAdmin)
+admin.site.register(Instructor, InstructorAdmin)
+admin.site.register(Availability, AvailabilityAdmin)

cntmanage/flightslot/admins/availability_adm.py

@@ -0,0 +1,66 @@
+from django import forms
+from django.db.models.query import QuerySet
+from django.http import HttpRequest
+from django.contrib import admin
+from django.utils.safestring import SafeText
+
+from ..models.instructors import Instructor
+from ..models.availabilities import Availability
+
+from datetime import date
+from typing import Any, List
+
+class AvailabilityForm(forms.ModelForm):
+    model=Availability
+
+class AvailabilityAdmin(admin.ModelAdmin):
+    model = Availability
+    list_display = ("week", "instructor__surname", "instructor__name", "days_available", "hours")
+    list_filter = ("week", )
+    search_fields = ("instructor__surname","instructor__name", )
+    #actions = ("export", )
+
+    @admin.display(description="Days Available")
+    def days_available(self, obj: Availability) -> SafeText:
+        if not obj:
+            return SafeText("")
+        days: List[str | None] = [
+            "Mon" if obj.monday else None,
+            "Tue" if obj.tuesday else None,
+            "Wed" if obj.wednesday else None,
+            "Thu" if obj.thursday else None,
+            "Fri" if obj.friday else None,
+            "Sat" if obj.saturday else None,
+            "Sun" if obj.sunday else None,
+        ]
+        return SafeText("/".join(d if d else "" for d in days))
+
+    def get_queryset(self, request: HttpRequest) -> QuerySet:
+        return super().get_queryset(request).order_by("-week", "instructor__surname", "instructor__name")
+    
+    def get_form(self, request: HttpRequest, obj: Availability | None = None, change: bool = False, **kwargs: Any) -> AvailabilityForm:
+        form: AvailabilityForm = super().get_form(request, obj, change, **kwargs)
+        
+        if change: # if is only a form change do not set default values and return form
+            return form
+        
+        # If form contains the week field
+        current_week = date.today().isocalendar().week
+        if "week" in form.base_fields:
+            # Set default value as current week
+            form.base_fields["week"].initial = current_week
+
+        # If student is current user making request
+        if hasattr(request.user, "instructor"):
+            instructor: Instructor = request.user.instructor
+            if "instructor" in form.base_fields:
+                form.base_fields["instructor"].initial = instructor
+                form.base_fields["instructor"].disabled = True
+        return form
+    
+    # Imposta automaticamente l'istruttore se non è già valorizzato
+    def save_model(self, request: HttpRequest, obj: Availability, form: AvailabilityForm, change: bool):
+        if hasattr(request.user, "instructor") and not obj.instructor_id:
+            obj.instructor = request.user.instructor
+        super().save_model(request, obj, form, change)
+    

cntmanage/flightslot/admins/instructor_admin.py

@@ -0,0 +1,95 @@
+from django.forms import TypedMultipleChoiceField
+from django.db.models.query import QuerySet
+from django.http import HttpRequest
+from django.contrib import admin, messages
+from django.utils.safestring import SafeText
+
+from django_admin_action_forms import AdminActionFormsMixin, AdminActionForm, action_with_form
+
+from import_export import fields
+from import_export.admin import ImportMixin
+from import_export.tmp_storages import CacheStorage
+from import_export.resources import ModelResource
+
+from ..models.instructors import Instructor
+from ..models.aircrafts import AircraftTypes
+from ..models.missions import MissionTypes
+
+from ..actions.assign_profile import assign_profile
+from ..actions.assign_aircraft import assign_aircraft
+
+from typing import Dict, List
+
+# Resource Class for Instructor data import
+class InstructorResource(ModelResource):
+    surname = fields.Field(attribute="surname", column_name="surname")
+    name = fields.Field(attribute="name", column_name="name")
+    email = fields.Field(attribute="email", column_name="email")
+    phone = fields.Field(attribute="phone", column_name="phone")
+
+    # Cleanup fields before entering
+    def before_import_row(self, row: Dict[str, str], **kwargs) -> None:
+        row["name"] = SafeText("-".join(c.capitalize() for c in row["name"].split(" ")).strip())
+        row["surname"] = SafeText("-".join(c.capitalize() for c in row["surname"].split(" ")).strip())
+        row["phone"] = SafeText(row["phone"].replace(" ",""))
+        row["email"] = SafeText(row["email"].lower().strip())
+        return super().before_import_row(row, **kwargs)
+    
+    class Meta:
+        model = Instructor
+        skip_unchanged = True
+        report_skipped = True
+        fields = ("surname", "name", "email", "phone", )
+        import_id_fields = ("surname", "name", )
+
+# Form class to assing aircrafts to instructors
+class AssignMissionForm(AdminActionForm):
+    mission_profiles = TypedMultipleChoiceField(choices=MissionTypes)
+
+# Form class to assing aircrafts to instructors
+class AssignAircraftForm(AdminActionForm):
+    aircrafts = TypedMultipleChoiceField(choices=AircraftTypes)
+
+class InstructorAdmin(ImportMixin, AdminActionFormsMixin, admin.ModelAdmin):
+    model = Instructor
+    list_display = ("surname", "name", "email", "phone", "assigned_profiles", "assigned_aircrafts", "active", )
+    search_fields = ("surname", "name", "phone", "email", )
+    readonly_fields = ("username", "password", )
+    actions = ("assign_aircraft", "assign_profile", )
+    resource_classes = [InstructorResource]
+    tmp_storage_class = CacheStorage
+    skip_admin_log = True
+
+    @admin.display(description="Password")
+    def password(self, obj: Instructor) -> SafeText:
+        return SafeText(obj.default_password())
+    
+    @admin.display(description="Username")
+    def username(self, obj: Instructor) -> SafeText:
+        return SafeText(obj.default_username())
+    
+    @admin.display(description="Assigned Profiles")
+    def assigned_profiles(self, obj: Instructor) -> SafeText:
+        if not obj.aircrafts:
+            return SafeText("")
+        return SafeText("/".join(mix.mtype for mix in obj.missions.distinct("mtype").order_by("mtype").all()))
+    
+    @admin.display(description="Assigned Aircrafts")
+    def assigned_aircrafts(self, obj: Instructor) -> SafeText:
+        if not obj.aircrafts:
+            return SafeText("")
+        return SafeText("/".join(ac.type for ac in obj.aircrafts.distinct("type").order_by("type").all()))
+
+    @action_with_form(AssignAircraftForm, description="Assign Aircraft Type")
+    def assign_aircraft(self, request: HttpRequest, queryset: QuerySet[Instructor], data: Dict[str, List[AircraftTypes]]):
+        i: int
+        ac_types: List[str]
+        i, ac_types = assign_aircraft(queryset=queryset, data=data)
+        messages.success(request, f"{i} Instructors updated to {ac_types}")
+    
+    @action_with_form(AssignMissionForm, description="Assign Mission Type")
+    def assign_profile(self, request: HttpRequest, queryset: QuerySet[Instructor], data: Dict[str, List[MissionTypes]]):
+        i: int
+        mix_types: List[str]
+        i, mix_types = assign_profile(queryset=queryset, data=data)
+        messages.success(request, f"{i} Instructors updated to {mix_types}")

cntmanage/flightslot/admins/weekpref_adm.py

@@ -93,7 +93,7 @@ class WeekPreferenceAdmin(nested_admin.NestedPolymorphicModelAdmin):
     
     # If user is a student deny edit permission for week past the current one
     def has_add_permission(self, request: HttpRequest, obj: WeekPreference | None = None) -> bool:
-        return self.has_change_permission(request, obj)
+        return not obj and self.has_change_permission(request, obj)
     
     # If user is a student deny edit permission for week past the current one
     def has_delete_permission(self, request: HttpRequest, obj: WeekPreference | None = None)-> bool:

cntmanage/flightslot/custom/student_permissions.py

@@ -12,6 +12,6 @@ def has_edit_permission(request: HttpRequest, obj: WeekPreference | None = None)
         if not student.active:
             return False
         current_week: int = date.today().isocalendar().week
-        if obj and current_week > obj.week or not student.active:
+        if obj and (current_week > obj.week or not student.active):
             return False
     return True

cntmanage/flightslot/middleware.py

@@ -7,8 +7,10 @@ class RedirectNonSuperuserFromAdminMiddleware:
         self.get_response = get_response
 
     def __call__(self, request: HttpRequest):
-        # Se l'utente è loggato, non è superuser e prova ad andare in /admin/...
+        # Se l'utente è loggato, non è superuser e prova ad andare in /admin/... o qualsiasi altro path
         if hasattr(request, "user") and not request.user.is_superuser:
-            if "/admin/" in request.path:
+            if hasattr(request.user, "student") and not "/user/" in request.path:
                 return redirect("/user/")  # redirect automatico
+            elif hasattr(request.user, "instructor") and not "/staff/" in request.path:
+                return redirect("/staff/")  # redirect automatico
         return self.get_response(request)

cntmanage/flightslot/migrations/0026_alter_student_email_alter_student_phone_instructor.py

@@ -0,0 +1,41 @@
+# Generated by Django 5.2.8 on 2025-12-01 17:27
+
+import django.db.models.deletion
+import phonenumber_field.modelfields
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0025_alter_aircraft_type_alter_hourbuilding_aircraft_and_more'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='student',
+            name='email',
+            field=models.EmailField(db_index=True, max_length=254, unique=True),
+        ),
+        migrations.AlterField(
+            model_name='student',
+            name='phone',
+            field=phonenumber_field.modelfields.PhoneNumberField(max_length=128, null=True, region=None, unique=True),
+        ),
+        migrations.CreateModel(
+            name='Instructor',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('email', models.EmailField(db_index=True, max_length=254)),
+                ('phone', phonenumber_field.modelfields.PhoneNumberField(max_length=128, null=True, region=None, unique=True)),
+                ('name', models.CharField(max_length=32)),
+                ('surname', models.CharField(max_length=32)),
+                ('active', models.BooleanField(default=True)),
+                ('aircrafts', models.ManyToManyField(to='flightslot.aircraft')),
+                ('missions', models.ManyToManyField(to='flightslot.missionprofile')),
+                ('user', models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

cntmanage/flightslot/migrations/0027_alter_weekpreference_student_availability.py

@@ -0,0 +1,36 @@
+# Generated by Django 5.2.8 on 2025-12-02 10:02
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0026_alter_student_email_alter_student_phone_instructor'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='weekpreference',
+            name='student',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='flightslot.student', verbose_name='Student Selection'),
+        ),
+        migrations.CreateModel(
+            name='Availability',
+            fields=[
+                ('week', models.PositiveSmallIntegerField(auto_created=True, db_default=49, db_index=True, verbose_name='Week Number')),
+                ('id', models.BigAutoField(primary_key=True, serialize=False)),
+                ('monday', models.BooleanField(default=True)),
+                ('tuesday', models.BooleanField(default=True)),
+                ('wednesday', models.BooleanField(default=True)),
+                ('thursday', models.BooleanField(default=True)),
+                ('friday', models.BooleanField(default=True)),
+                ('saturday', models.BooleanField(default=True)),
+                ('sunday', models.BooleanField(default=True)),
+                ('hours', models.DurationField(null=True, verbose_name='Available hours')),
+                ('notes', models.TextField(blank=True, max_length=140, null=True)),
+                ('instructor', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='flightslot.instructor', verbose_name='Instructor Selection')),
+            ],
+        ),
+    ]

cntmanage/flightslot/migrations/0028_alter_availability_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.8 on 2025-12-02 10:59
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0027_alter_weekpreference_student_availability'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='availability',
+            options={'verbose_name': 'Instructor Availability', 'verbose_name_plural': 'Instructor Availabilities'},
+        ),
+    ]

cntmanage/flightslot/models/availabilities.py

@@ -0,0 +1,79 @@
+from django.db import models
+from datetime import date
+
+from ..models.instructors import Instructor
+
+class Availability(models.Model):
+    id = models.BigAutoField(
+        primary_key=True
+    )
+
+    week = models.PositiveSmallIntegerField(
+        null=False,
+        db_index=True,
+        db_default=date.today().isocalendar().week,
+        auto_created=True,
+        verbose_name="Week Number"
+    )
+
+    instructor = models.ForeignKey(
+        Instructor,
+        null=False,
+        db_index=True,
+        on_delete=models.CASCADE,
+        verbose_name="Instructor Selection"
+    )
+
+    monday = models.BooleanField(
+        default=True,
+        null=False
+    )
+
+    tuesday = models.BooleanField(
+        default=True,
+        null=False
+    )
+
+    wednesday = models.BooleanField(
+        default=True,
+        null=False
+    )
+
+    thursday = models.BooleanField(
+        default=True,
+        null=False
+    )
+
+    friday = models.BooleanField(
+        default=True,
+        null=False
+    )
+
+    saturday = models.BooleanField(
+        default=True,
+        null=False
+    )
+
+    sunday = models.BooleanField(
+        default=True,
+        null=False
+    )
+
+    hours = models.DurationField(
+        null=True,
+        verbose_name="Available hours"
+    )
+
+    notes = models.TextField(
+        max_length=140,
+        null=True,
+        blank=True
+    )
+
+    class Meta():
+        verbose_name = "Instructor Availability"
+        verbose_name_plural = "Instructor Availabilities"
+
+    def __str__(self):
+        return f"Week {self.week} - {self.instructor.surname} {self.instructor.name[0]}."
+    

cntmanage/flightslot/models/instructors.py

@@ -0,0 +1,99 @@
+from django.db import models
+from django.contrib.auth.models import User, Group
+
+from phonenumber_field import modelfields
+
+from ..models.missions import MissionProfile
+from ..models.aircrafts import Aircraft
+
+class Instructor(models.Model):
+    id = models.AutoField(
+        primary_key=True
+    )
+
+    email = models.EmailField(
+        null=False,
+        db_index=True
+    )
+
+    phone = modelfields.PhoneNumberField(
+        null=True,
+        unique=True
+    )
+
+    name = models.CharField(
+        null=False,
+        blank=False,
+        max_length=32
+    )
+
+    surname = models.CharField(
+        null=False,
+        blank=False,
+        max_length=32
+    )
+
+    active = models.BooleanField(
+        null=False,
+        default=True
+    )
+
+    aircrafts = models.ManyToManyField(
+        Aircraft
+    )
+
+    missions = models.ManyToManyField(
+        MissionProfile
+    )
+
+    user = models.OneToOneField(
+        User, 
+        on_delete=models.CASCADE, 
+        null=True, 
+        blank=True
+    )
+
+    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}"
+        else:
+            return ""
+
+    def default_username(self) -> str:
+        if self.pk and self.user:
+            return self.user.username
+        else:
+            return ""
+        
+    # Override save method to add user for login upon Student creation
+    def save(self, *args, **kwargs):
+        creating: bool = self.pk is None
+        super().save(*args, **kwargs)
+        if creating and not self.user:
+            username: str = f"{self.name.lower()}.{self.surname.lower()}"
+            # Avoid username conflict with progressive number
+            base_username = username
+            counter: int = 1
+            while User.objects.filter(username=username).exists():
+                username = f"{base_username}{counter}"
+                counter += 1
+            # Create user
+            user: User = User.objects.create_user(
+                first_name=self.name.capitalize(),
+                last_name=self.surname.capitalize(),
+                username=username,
+                email=self.email,
+                password=self.default_password(),
+                is_staff=True # allows access to admin page
+            )
+
+            instructor_group, _ = Group.objects.get_or_create(name="InstructorGroup")
+            user.groups.add(instructor_group)
+            self.user = user
+            self.save()
+
+    def __str__(self):
+        if self.pk:
+            return f"{self.surname} {self.name[0]}."
+        else:
+            return "New Instructor"

cntmanage/flightslot/models/missions.py

@@ -5,7 +5,7 @@ from datetime import timedelta
 from ..models.weekpref import WeekPreference
 from ..models.aircrafts import Aircraft
 
-class MissionType(models.TextChoices):
+class MissionTypes(models.TextChoices):
     OTHER = "OTHER", _("OTHER")
     CHK = "CHK", _("CHK_6M")
     PPL = "PPL", _("PPL")
@@ -24,8 +24,8 @@ class MissionProfile(models.Model):
 
     mtype = models.CharField(
         null=False,
-        default=MissionType.PPL,
+        default=MissionTypes.PPL,
-        choices=MissionType,
+        choices=MissionTypes,
         verbose_name="Mission Type"
     )
 

cntmanage/flightslot/models/students.py

@@ -1,6 +1,8 @@
 from django.db import models
 from django.contrib.auth.models import User, Group
 
+from phonenumber_field import modelfields
+
 from ..models.courses import Course
 from ..models.aircrafts import Aircraft
 
@@ -11,12 +13,13 @@ class Student(models.Model):
 
     email = models.EmailField(
         null=False,
-        db_index=True
+        db_index=True,
+        unique=True
     )
 
-    phone = models.CharField(
+    phone = modelfields.PhoneNumberField(
         null=True,
-        max_length=16
+        unique=True
     )
 
     name = models.CharField(
@@ -52,7 +55,10 @@ class Student(models.Model):
     )
 
     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}"
+        else:
+            return ""
     
     def default_username(self) -> str:
         if self.pk and self.user:
@@ -74,8 +80,8 @@ class Student(models.Model):
                 counter += 1
             # Create user
             user: User = User.objects.create_user(
-                first_name=self.name,
+                first_name=self.name.capitalize(),
-                last_name=self.surname,
+                last_name=self.surname.capitalize(),
                 username=username,
                 email=self.email,
                 password=self.default_password(),

cntmanage/flightslot/models/weekpref.py

@@ -20,7 +20,7 @@ class WeekPreference(models.Model):
         Student,
         null=False,
         db_index=True,
-        on_delete=models.DO_NOTHING,
+        on_delete=models.CASCADE,
         verbose_name="Student Selection"
     )
 

cntmanage/poetry.lock

@@ -143,6 +143,26 @@ python-monkey-business = ">=1.0.0"
 dev = ["Pillow", "black", "dj-database-url", "django-selenosis", "flake8", "pytest", "pytest-cov", "pytest-django", "pytest-xdist", "selenium"]
 test = ["Pillow", "dj-database-url", "django-selenosis", "pytest", "pytest-cov", "pytest-django", "pytest-xdist", "selenium"]
 
+[[package]]
+name = "django-phonenumber-field"
+version = "8.4.0"
+description = "An international phone number field for django models."
+optional = false
+python-versions = ">=3.10"
+groups = ["main"]
+files = [
+    {file = "django_phonenumber_field-8.4.0-py3-none-any.whl", hash = "sha256:7a1cb3a6456edb54d879f11ffa0acb227ded08c93b587035d0f28093f0e46511"},
+    {file = "django_phonenumber_field-8.4.0.tar.gz", hash = "sha256:2b83e843dac35eec6a69880a166487235b737a71a1e38c9a52e5ad67d6996083"},
+]
+
+[package.dependencies]
+Django = ">=4.2"
+phonenumberslite = {version = ">=7.0.2", optional = true, markers = "extra == \"phonenumberslite\""}
+
+[package.extras]
+phonenumbers = ["phonenumbers (>=7.0.2)"]
+phonenumberslite = ["phonenumberslite (>=7.0.2)"]
+
 [[package]]
 name = "django-polymorphic"
 version = "4.1.0"
@@ -185,6 +205,18 @@ files = [
 [package.dependencies]
 et-xmlfile = "*"
 
+[[package]]
+name = "phonenumberslite"
+version = "9.0.19"
+description = "Python version of Google's common library for parsing, formatting, storing and validating international phone numbers."
+optional = false
+python-versions = "*"
+groups = ["main"]
+files = [
+    {file = "phonenumberslite-9.0.19-py2.py3-none-any.whl", hash = "sha256:92a2426808e7d40b4acf36c97dcc436747807419c5dbc035330df28c13d41c0f"},
+    {file = "phonenumberslite-9.0.19.tar.gz", hash = "sha256:3794fcec9d2a6510a806187de750853c73ea5dabaac4ecd7fa36e79f869b3c2e"},
+]
+
 [[package]]
 name = "pillow"
 version = "12.0.0"
@@ -436,4 +468,4 @@ files = [
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.12"
-content-hash = "e932d0af75c888d83fecefaaad1d018c508881a3bfde2ea640a82790e3567855"
+content-hash = "5147211bd07992aff3915544175c8d95d77511b9d42273d17c4452fbef9299eb"

cntmanage/pyproject.toml

@@ -18,6 +18,7 @@ django-colorfield = "^0.14.0"
 openpyxl = "^3.1.5"
 django-admin-action-forms = "^2.2.1"
 django-polymorphic = "^4.1.0"
+django-phonenumber-field = {extras = ["phonenumberslite"], version = "^8.4.0"}
 
 
 [build-system]