cntmanage/cntmanage/settings.py

@@ -43,6 +43,7 @@ INSTALLED_APPS = [
     'colorfield',
     'import_export',
     'django_admin_action_forms',
+    'polymorphic'
 ]
 
 # Import Export plugin settings
@@ -52,7 +53,7 @@ IMPORT_EXPORT_SKIP_ADMIN_LOG = True
 IMPORT_FORMATS = [CSV]
 
 MIDDLEWARE = [
-    'flightslot.middleware.RedirectNonSuperuserFromAdminMiddleware',
+    'flightslot.middleware.RedirectNonSuperuserFromAdminMiddleware', # custom middleware to show "user" page to non superuser
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',

cntmanage/flightslot/actions/exportweek.py

@@ -10,7 +10,7 @@ from typing import List
 
 from ..models.weekpref import WeekPreference
 from ..models.missions import Training
-from ..models.hourbuildings import HourBuilding,HourBuildingLeg
+from ..models.hourbuildings import HourBuilding, HourBuildingLegFlight, HourBuildingLegStop
 
 
 def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) -> HttpResponse:
@@ -121,9 +121,9 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
                 hb_name if h.sunday else ""
             ]
             hb_notes = f"{h.notes}\n----\n" if h.notes else ""
-            hb_legs = HourBuildingLeg.objects.filter(hb_id = h.id)
+            hb_legs = HourBuildingLegFlight.objects.filter(hb_id = h.id)
-            for hh in hb_legs:
+            #for hh in hb_legs:
-                hb_notes += f"{hh.departure} -> {hh.destination} [{hh.time}]\n" if not hh.stop else f"STOP at {hh.departure} [{hh.time}]\n" 
+            #    hb_notes += f"{hh.departure} -> {hh.destination} [{hh.time}]\n" if not hh.stop else f"STOP at {hh.departure} [{hh.time}]\n" 
             hb_notes.strip('\n')
             hb_data.append([str(q.week), *student_data, *hb_days, str(q.student.phone), q.student.email, hb_notes])
          

cntmanage/flightslot/admin.py

@@ -10,6 +10,7 @@ from .admins.course_adm import CourseAdmin
 from .admins.student_adm import StudentAdmin
 from .admins.mission_adm import MissionProfileAdmin
 from .admins.weekpred_adm import WeekPreferenceAdmin
+#from .admins.hourbuilding_adm import HourBuilding, HourBuildingInLine
 
 from django.contrib.admin import AdminSite
 

cntmanage/flightslot/admins/hourbuilding_adm.py

@@ -7,32 +7,33 @@ from django.http import HttpRequest
 
 from durationwidget.widgets import TimeDurationWidget 
 
-from ..models.hourbuildings import HourBuilding, HourBuildingLeg
+from ..models.hourbuildings import HourBuilding, HourBuildingLegBase, HourBuildingLegFlight, HourBuildingLegStop
 from ..models.weekpref import WeekPreference
 
 from datetime import date
 
 class HourBuildingLegForm(forms.ModelForm):
     class Meta:
-        model = HourBuildingLeg
+        model = HourBuildingLegFlight
         fields = '__all__'
         widgets = {
             'time': TimeDurationWidget(show_days=False, 
-                                       show_seconds=False
+                                       show_seconds=False)
-            )
         }
 
 # Register your models here.
-class HourBuildingLegInline(nested_admin.NestedTabularInline):
+class HourBuildingLegBaseInLine(nested_admin.NestedStackedPolymorphicInline):
-    model = HourBuildingLeg
+    model = HourBuildingLegBase
-    form = HourBuildingLegForm
-    extra = 0
     fk_name = 'hb'
-    max_num = 5
+    verbose_name_plural = "Hour Building Legs"
-    formfield_overrides = {
+    
-        models.CharField: {'widget': TextInput(attrs={'size':'20'})},
+    class HourBuildingLegFlightInLine(nested_admin.NestedStackedPolymorphicInline.Child):
-        models.TextField: {'widget': Textarea(attrs={'rows':4, 'cols':35})},
+        model = HourBuildingLegFlight
-    }
+        form = HourBuildingLegForm
+    class HourBuildingLegStopInLine(nested_admin.NestedStackedPolymorphicInline.Child):
+        model = HourBuildingLegStop
+
+    child_inlines = (HourBuildingLegFlightInLine, HourBuildingLegStopInLine, )
 
     # If user is a student deny edit permission for week past the current one
     def has_change_permission(self, request: HttpRequest, obj: HourBuilding | None = None):
@@ -45,26 +46,16 @@ class HourBuildingLegInline(nested_admin.NestedTabularInline):
     def has_delete_permission(self, request: HttpRequest, obj: HourBuilding | None = None):
         return self.has_change_permission(request=request, obj=obj)
 
+
 class HourBuildingInLine(nested_admin.NestedTabularInline):
     model = HourBuilding
-    extra = 0
+    extra = 1
-    inlines = [HourBuildingLegInline]
+    inlines = (HourBuildingLegBaseInLine,)
     fk_name = 'weekpref'
-    verbose_name_plural = "Hour Building"
+    verbose_name_plural = "Hour Buildings"
     max_num = 7
     formfield_overrides = {
         models.CharField: {'widget': TextInput(attrs={'size':'20'})},
         models.TextField: {'widget': Textarea(attrs={'rows':4, 'cols':35})},
     }
 
-
-    # If user is a student deny edit permission for week past the current one
-    def has_change_permission(self, request: HttpRequest, obj: WeekPreference | None = None):
-        if hasattr(request.user, 'student') and obj:
-            current_week = date.today().isocalendar().week
-            if current_week > obj.week:
-                return False
-        return True
-    
-    def has_delete_permission(self, request: HttpRequest, obj: WeekPreference | None = None):
-        return self.has_change_permission(request=request, obj=obj)

cntmanage/flightslot/admins/weekpred_adm.py

@@ -18,8 +18,8 @@ from ..actions.exportweek import export_selected
 
 from datetime import date
 
-class WeekPreferenceAdmin(nested_admin.NestedModelAdmin):
+class WeekPreferenceAdmin(nested_admin.NestedPolymorphicModelAdmin):
-    inlines = (TrainingInLIne, HourBuildingInLine,)
+    inlines = (TrainingInLIne, HourBuildingInLine, )
     list_display = ("week", "student__surname","student__name", "student__course", "course_color", "student_brief_mix",)
     list_filter = ("week", "student__course", "student",)
     actions = ("export",)

cntmanage/flightslot/migrations/0018_hourbuildinglegbase_hourbuildinglegflight_and_more.py

@@ -0,0 +1,58 @@
+# Generated by Django 5.2.8 on 2025-11-21 11:20
+
+import datetime
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('flightslot', '0017_alter_missionprofile_mtype_alter_weekpreference_week'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='HourBuildingLegBase',
+            fields=[
+                ('id', models.BigAutoField(primary_key=True, serialize=False)),
+                ('time', models.DurationField(default=datetime.timedelta(seconds=3600))),
+                ('hb', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='flightslot.hourbuilding')),
+                ('polymorphic_ctype', models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='polymorphic_%(app_label)s.%(class)s_set+', to='contenttypes.contenttype')),
+            ],
+            options={
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+        ),
+        migrations.CreateModel(
+            name='HourBuildingLegFlight',
+            fields=[
+                ('hourbuildinglegbase_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='flightslot.hourbuildinglegbase')),
+                ('departure', models.CharField(default='LILV', max_length=4)),
+                ('destination', models.CharField(default='LILV', max_length=4)),
+            ],
+            options={
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+            bases=('flightslot.hourbuildinglegbase',),
+        ),
+        migrations.CreateModel(
+            name='HourBuildingLegStop',
+            fields=[
+                ('hourbuildinglegbase_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='flightslot.hourbuildinglegbase')),
+                ('location', models.CharField(default='LILV', max_length=4)),
+                ('refuel', models.BooleanField(default=False)),
+            ],
+            options={
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+            bases=('flightslot.hourbuildinglegbase',),
+        ),
+        migrations.DeleteModel(
+            name='HourBuildingLeg',
+        ),
+    ]

cntmanage/flightslot/models/hourbuildings.py

@@ -2,10 +2,11 @@ from django.utils.translation import gettext_lazy as _
 from django.db import models
 from datetime import timedelta
 
+from polymorphic.models import PolymorphicModel
+
 from ..models.weekpref import WeekPreference
 from ..models.aircrafts import AircraftTypes
 
-
 class HourBuilding(models.Model):
     id = models.BigAutoField(
         primary_key=True
@@ -66,7 +67,7 @@ class HourBuilding(models.Model):
     def __str__(self):
         return f"Hour Building: {self.aircraft}"
 
-class HourBuildingLeg(models.Model):
+class HourBuildingLegBase(PolymorphicModel):
     id = models.BigAutoField(
         primary_key=True
     )
@@ -76,6 +77,12 @@ class HourBuildingLeg(models.Model):
         on_delete=models.CASCADE
     )
 
+    time = models.DurationField(
+        null=False,
+        default = timedelta(hours=1)
+    )
+        
+class HourBuildingLegFlight(HourBuildingLegBase):
     departure = models.CharField(
         null=False,
         blank=False,
@@ -90,18 +97,17 @@ class HourBuildingLeg(models.Model):
         max_length=4
     )
 
-    time = models.DurationField(
-        null=False,
-        default = timedelta(hours=1)
-    )
-
-    stop = models.BooleanField(
-        default=False
-    )
-
     def __str__(self):
-        if self.stop:
+        return f"Flight Leg: {self.departure} -> {self.destination}"
-            return "Refuelling Stop"
+    
-        else:
+class HourBuildingLegStop(HourBuildingLegBase):
-            return f"Flight Leg: {self.departure} -> {self.destination}"
+    location = models.CharField(
-        
+        null=False,
+        blank=False,
+        default="LILV",
+        max_length=4
+    )
+
+    refuel = models.BooleanField(
+        default=False
+    )

cntmanage/poetry.lock

@@ -143,6 +143,21 @@ 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-polymorphic"
+version = "4.1.0"
+description = "Seamless polymorphic inheritance for Django models"
+optional = false
+python-versions = "*"
+groups = ["main"]
+files = [
+    {file = "django_polymorphic-4.1.0-py3-none-any.whl", hash = "sha256:0ce3984999e103a0d1a434a5c5617f2c7f990dc3d5fb3585ce0fadadf9ff90ea"},
+    {file = "django_polymorphic-4.1.0.tar.gz", hash = "sha256:4438d95a0aef6c4307cd6c83ead387e1142ce80b65188a931ec2f0dbdd9bfc51"},
+]
+
+[package.dependencies]
+Django = ">=3.2"
+
 [[package]]
 name = "et-xmlfile"
 version = "2.0.0"
@@ -421,4 +436,4 @@ files = [
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.12"
-content-hash = "6bf43236f441d8b6bf8d1928910d169d3b29cfa499bb7d09d97ea227f8115658"
+content-hash = "e932d0af75c888d83fecefaaad1d018c508881a3bfde2ea640a82790e3567855"

cntmanage/pyproject.toml

@@ -17,6 +17,7 @@ django-import-export = "^4.3.13"
 django-colorfield = "^0.14.0"
 openpyxl = "^3.1.5"
 django-admin-action-forms = "^2.2.1"
+django-polymorphic = "^4.1.0"
 
 
 [build-system]