Add sample habitat image and zone data

- Renames fixture scripts

.gitignore

@@ -0,0 +1 @@
+.env

backend/right_tree/api/data/fixtures/007_sample_habitat_images.json

@@ -0,0 +1,20 @@
+[
+    {
+        "model": "api.habitatimage",
+        "pk": 1,
+        "fields": {
+            "habitat": 7,
+            "name": "Mangrove",
+            "image_filename": "01-coastal-mangroves-marshes.png"
+        }
+    },
+    {
+        "model": "api.habitatimage",
+        "pk": 2,
+        "fields": {
+            "habitat": 7,
+            "name": "Salt Marsh",
+            "image_filename": "03-coastal-grass-reeds-scrub.png"
+        }
+    }
+]

backend/right_tree/api/data/fixtures/008_sample_zone_segments.json

@@ -0,0 +1,52 @@
+[
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 1,
+        "fields": {
+            "zone": 58,
+            "habitat_image": 1,
+            "segment_order": 0,
+            "segment_percentage_width": 7.4
+        }
+    },
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 2,
+        "fields": {
+            "zone": 126,
+            "habitat_image": 1,
+            "segment_order": 1,
+            "segment_percentage_width": 8.7
+        }
+    },
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 3,
+        "fields": {
+            "zone": 98,
+            "habitat_image": 1,
+            "segment_order": 2,
+            "segment_percentage_width": 20.6
+        }
+    },
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 4,
+        "fields": {
+            "zone": 77,
+            "habitat_image": 1,
+            "segment_order": 4,
+            "segment_percentage_width": 33.1
+        }
+    },
+    {
+        "model": "api.zoneimagesegment",
+        "pk": 5,
+        "fields": {
+            "zone": 66,
+            "habitat_image": 1,
+            "segment_order": 5,
+            "segment_percentage_width": 30.2
+        }
+    }
+]

backend/right_tree/api/migrations/0007_alter_zoneimagesegment_segment_percentage_width.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.8 on 2021-11-10 02:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0006_auto_20211109_2255'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='zoneimagesegment',
+            name='segment_percentage_width',
+            field=models.FloatField(default=0),
+        ),
+    ]

backend/right_tree/api/models.py

@@ -94,10 +94,10 @@ class ZoneImageSegment(models.Model):
     habitat_image = models.ForeignKey(
         HabitatImage, on_delete=models.CASCADE,  related_name='image_segments')
     segment_order = models.PositiveIntegerField(default=0)
-    segment_percentage_width = models.PositiveIntegerField(default=0)
+    segment_percentage_width = models.FloatField(default=0)
 
     def __str__(self):
-        return f"{self.habitat_image.name}, {self.zone.name}"
+        return f"{self.habitat_image.name}, {self.zone}"
 
     class Meta:
         ordering = ['segment_order', 'id']

frontend/src/components/steps/zone/ZoneSelector.js

@@ -20,6 +20,8 @@ export default function ZoneSelector(props) {
                 setHabitatImageFile(imageSrc)
                 findAndSetImageHeightFunc(imageSrc)
             }
+        }).catch(e => {
+            findAndSetImageHeightFunc(habitatImageFile)
         })
     }