Add backend support for zone tooltips

backend/right_tree/api/migrations/0013_zone_tooltiptext.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.8 on 2021-12-12 22:51
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0012_alter_plant_maxheight'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='zone',
+            name='tooltipText',
+            field=models.CharField(blank=True, max_length=500, null=True),
+        ),
+    ]

backend/right_tree/api/models.py

@@ -87,6 +87,11 @@ class Zone(models.Model):
     related_svg_segment = models.CharField(null=True, blank=True, max_length=20)
     ignore_soil_order_filter = models.BooleanField(default=False)
     ignore_location_filter = models.BooleanField(default=False)
+    tooltipText = models.CharField(null=True, blank=True, max_length=500)
+
+    @property
+    def tooltip_display_text(self):
+        return self.tooltipText if self.tooltipText is not None else str(self)
 
     def __str__(self):
         refined_variant_str = f", {self.refined_variant}" if self.refined_variant is not None else ""

backend/right_tree/api/serializers.py

@@ -62,7 +62,7 @@ class ZoneSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Zone
         fields = ['id', 'name', 'variant',
-                  'refined_variant', 'habitat', 'related_svg_segment', 'redirect_habitat', 'ignore_soil_order_filter', 'ignore_location_filter']
+                  'refined_variant', 'habitat', 'related_svg_segment', 'redirect_habitat', 'ignore_soil_order_filter', 'ignore_location_filter', 'tooltip_display_text']
 class LocationDetailsSerializer(serializers.Serializer):
     ecologic_1 = serializers.CharField(max_length=50)
     ecologic_2 = serializers.CharField(max_length=50)