Add default conservation status global

bims/migrations/0451_auto_20250224_1420.py

@@ -0,0 +1,78 @@
+# Generated by Django 4.2.16 on 2025-02-24 14:20
+
+from django.db import migrations
+from django.db.models import Max
+
+
+def add_iucn_statuses(apps, schema_editor):
+    IUCNStatus = apps.get_model('bims', 'IUCNStatus')
+
+    existing_max_order = IUCNStatus.objects.filter(
+        national=False).aggregate(Max('order'))['order__max'] or 0
+
+    # (category_value, color_code)
+    # The "category" field values come from IUCN_CATEGORIES in your model:
+    #  {
+    #     'extinct': 'EX',
+    #     'extinct in the wild': 'EW',
+    #     'regionally extinct': 'RE',
+    #     'critically endangered, possibly extinct': 'CR PE',
+    #     'critically endangered': 'CR',
+    #     'endangered': 'EN',
+    #     'vulnerable': 'VU',
+    #     'near threatened': 'NT',
+    #     'near threatened - legacy': 'LR/nt',
+    #     'critically rare': 'CA',
+    #     'rare': 'RA',
+    #     'declining': 'D',
+    #     'data deficient': 'DD',
+    #     'data deficient - insufficient information': 'DDD',
+    #     'data deficient - taxonomically problematic': 'DDT',
+    #     'least concern': 'LC',
+    #     'least concern - legacy': 'LR/lc',
+    #     'conservation dependent': 'LR/cd',
+    #     'not evaluated': 'NE',
+    #  }
+    status_data = [
+        ('EX', '#C9CAC7'),       # Extinct
+        ('EW', '#A2A3A0'),       # Extinct in the Wild
+        ('RE', '#797A78'),       # Regionally Extinct
+        ('CR PE', '#DD456A'),    # Critically Endangered – Possibly Extinct
+        ('CR', '#641F30'),       # Critically Endangered
+        ('EN', '#8D2641'),       # Endangered
+        ('VU', '#525351'),       # Vulnerable
+        ('NT', '#3D647D'),       # Near Threatened
+        ('LR/nt', '#4D7E9D'),    # Near Threatened – Legacy
+        ('CA', '#005904'),       # Critically Rare
+        ('RA', '#009106'),       # Rare
+        ('D', '#91900D'),        # Declining
+        ('DD', '#D7CD47'),       # Data Deficient
+        ('DDD', '#D7CD47'),      # Data Deficient – Insufficient Information
+        ('DDT', '#D7CD47'),      # Data Deficient – Taxonomically Problematic
+        ('LC', '#17766B'),       # Least Concern
+        ('LR/lc', '#14655C'),    # Least Concern – Legacy
+        ('LR/cd', '#0F4D46'),    # Conservation Dependent
+        ('NE', '#39B2A3'),       # Not evaluated
+    ]
+
+    for category, colour in status_data:
+        # Only create if it doesn't already exist
+        if not IUCNStatus.objects.filter(category=category, national=False).exists():
+            existing_max_order += 1
+            IUCNStatus.objects.create(
+                category=category,
+                colour=colour,
+                national=False,
+                order=existing_max_order
+            )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bims', '0450_sitesetting_auto_validate_taxa_on_upload'),
+    ]
+
+    operations = [
+        migrations.RunPython(add_iucn_statuses, migrations.RunPython.noop),
+    ]