introduce load group as a concept

src/c3nav/mapdata/migrations/0126_loadgroup.py

@@ -0,0 +1,72 @@
+# Generated by Django 5.0.8 on 2024-12-25 15:44
+
+import c3nav.routing.schemas
+import django.core.serializers.json
+import django.db.models.deletion
+import django_pydantic_field.compat.django
+import django_pydantic_field.fields
+import types
+import typing
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0125_rangingbeacon_altitude_quest_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='LoadGroup',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=50, unique=True, verbose_name='Name')),
+            ],
+            options={
+                'verbose_name': 'Load group',
+                'verbose_name_plural': 'Load groups',
+                'default_related_name': 'labelgroup',
+            },
+        ),
+        migrations.AddField(
+            model_name='area',
+            name='load_group_contribute',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='mapdata.loadgroup', verbose_name='contribute to load group'),
+        ),
+        migrations.AddField(
+            model_name='area',
+            name='load_group_display',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='mapdata.loadgroup', verbose_name='display load group'),
+        ),
+        migrations.AddField(
+            model_name='dynamiclocation',
+            name='load_group_display',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='mapdata.loadgroup', verbose_name='display load group'),
+        ),
+        migrations.AddField(
+            model_name='level',
+            name='load_group_display',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='mapdata.loadgroup', verbose_name='display load group'),
+        ),
+        migrations.AddField(
+            model_name='locationgroup',
+            name='load_group_contribute',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='mapdata.loadgroup', verbose_name='contribute to load group'),
+        ),
+        migrations.AddField(
+            model_name='poi',
+            name='load_group_display',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='mapdata.loadgroup', verbose_name='display load group'),
+        ),
+        migrations.AddField(
+            model_name='space',
+            name='load_group_contribute',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='mapdata.loadgroup', verbose_name='contribute to load group'),
+        ),
+        migrations.AddField(
+            model_name='space',
+            name='load_group_display',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='mapdata.loadgroup', verbose_name='display load group'),
+        ),
+    ]

src/c3nav/mapdata/models/geometry/level.py

@@ -28,7 +28,7 @@ from c3nav.mapdata.grid import grid
 from c3nav.mapdata.models import Level
 from c3nav.mapdata.models.access import AccessRestrictionMixin
 from c3nav.mapdata.models.geometry.base import GeometryMixin
-from c3nav.mapdata.models.locations import SpecificLocation
+from c3nav.mapdata.models.locations import SpecificLocation, LoadGroup
 from c3nav.mapdata.utils.cache.changes import changed_geometries
 from c3nav.mapdata.utils.geometry import (assert_multilinestring, assert_multipolygon, clean_cut_polygon,
                                           cut_polygon_with_line, unwrap_geom)
@@ -124,6 +124,9 @@ class Space(LevelGeometryMixin, SpecificLocation, models.Model):
     base_mapdata_accessible = models.BooleanField(default=False,
                                                   verbose_name=_('always accessible (overwrites base mapdata setting)'))
 
+    load_group_contribute = models.ForeignKey(LoadGroup, on_delete=models.SET_NULL, null=True, blank=True,
+                                              verbose_name=_('contribute to load group'))
+
     class Meta:
         verbose_name = _('Space')
         verbose_name_plural = _('Spaces')

src/c3nav/mapdata/models/geometry/space.py

@@ -18,7 +18,7 @@ from c3nav.mapdata.models import Space, Level
 from c3nav.mapdata.models.access import AccessRestrictionMixin
 from c3nav.mapdata.models.base import SerializableMixin, TitledMixin
 from c3nav.mapdata.models.geometry.base import GeometryMixin
-from c3nav.mapdata.models.locations import SpecificLocation
+from c3nav.mapdata.models.locations import SpecificLocation, LoadGroup
 from c3nav.mapdata.utils.cache.changes import changed_geometries
 from c3nav.mapdata.utils.geometry import unwrap_geom
 from c3nav.mapdata.utils.json import format_geojson
@@ -138,6 +138,9 @@ class Area(SpaceGeometryMixin, SpecificLocation, models.Model):
     main_point = GeometryField('point', null=True, blank=True,
                                help_text=_('main routing point (optional)'))
 
+    load_group_contribute = models.ForeignKey(LoadGroup, on_delete=models.SET_NULL, null=True, blank=True,
+                                              verbose_name=_('contribute to load group'))
+
     class Meta:
         verbose_name = _('Area')
         verbose_name_plural = _('Areas')

src/c3nav/mapdata/models/locations.py

@@ -170,6 +170,7 @@ class Location(LocationSlug, AccessRestrictionMixin, TitledMixin, models.Model):
         return None
 
 
+
 class SpecificLocation(Location, models.Model):
     groups = models.ManyToManyField('mapdata.LocationGroup', verbose_name=_('Location Groups'), blank=True)
     label_settings = models.ForeignKey('mapdata.LabelSettings', null=True, blank=True, on_delete=models.PROTECT,
@@ -178,6 +179,9 @@ class SpecificLocation(Location, models.Model):
     import_block_data = models.BooleanField(_('don\'t change metadata on import'), default=False)
     import_block_geom = models.BooleanField(_('don\'t change geometry on import'), default=False)
 
+    load_group_display = models.ForeignKey("LoadGroup", on_delete=models.SET_NULL, null=True, blank=True,
+                                           related_name='+', verbose_name=_('display load group'))
+
     class Meta:
         abstract = True
 
@@ -357,6 +361,9 @@ class LocationGroup(Location, models.Model):
     external_url_label = I18nField(_('external URL label'), plural_name='external_url_labels', blank=True,
                                    fallback_any=True, fallback_value="")
 
+    load_group_contribute = models.ForeignKey("LoadGroup", on_delete=models.SET_NULL, null=True, blank=True,
+                                              verbose_name=_('contribute to load group'))
+
     objects = LocationGroupManager()
 
     class Meta:
@@ -474,6 +481,19 @@ class LabelSettings(SerializableMixin, models.Model):
         ordering = ('min_zoom', '-font_size')
 
 
+class LoadGroup(SerializableMixin, models.Model):
+    name = models.CharField(_('Name'), unique=True, max_length=50)  # a slugfield would forbid periods
+
+    @property
+    def title(self):
+        return self.name
+
+    class Meta:
+        verbose_name = _('Load group')
+        verbose_name_plural = _('Load groups')
+        default_related_name = 'labelgroup'
+
+
 class CustomLocationProxyMixin:
     request = None
 

src/c3nav/mapdata/schemas/model_base.py

@@ -236,6 +236,10 @@ class SpecificLocationSchema(LocationSchema):
         title="label override (preferred language)",
         description="text to use for the label. by default (null), the title would be used."
     )
+    load_group_display: Optional[PositiveInt] = APIField(
+        default=None,
+        title="load group to display",
+    )
 
 
 class WithGeometrySchema(BaseSchema):