ENH: Collection environmental measurements (#44)

ccdb/collections_ccdb/migrations/0007_collection_measurements.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.8 on 2018-01-04 13:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('collections_ccdb', '0006_collection_notes'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CollectionMeasurement',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('date_measured', models.DateField()),
+                ('time_measured', models.TimeField()),
+                ('water_temp_c', models.FloatField(null=True)),
+                ('air_temp_c', models.FloatField(null=True)),
+                ('collection', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='env_measurements', to='collections_ccdb.Collection')),
+            ],
+            options={
+                'ordering': ['date_measured', 'time_measured'],
+            },
+        ),
+        migrations.AlterUniqueTogether(
+            name='collectionmeasurement',
+            unique_together=set([('collection', 'date_measured', 'time_measured')]),
+        ),
+    ]