adding the dataset_size to the dataset model (#225)

Author: ecpantalone

ingest/migrations/0019_dataset_dataset_size.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.18 on 2023-07-31 13:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ingest', '0018_projectassociation'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dataset',
+            name='dataset_size',
+            field=models.BigIntegerField(blank=True, null=True),
+        ),
+    ]

ingest/models.py

@@ -133,6 +133,7 @@ class Dataset(models.Model):
     sheet = models.ForeignKey(Sheet, on_delete=models.SET_NULL, blank=True, null=True)
     specimen_ingest_method_4 = models.IntegerField(blank=True, null=True) # this is not a proper fk. this is just to avoid adding a join table.
     doi = models.CharField(max_length=256, blank=True)
+    dataset_size = models.BigIntegerField(blank=True, null=True)
 
 class ImageMetadata(models.Model):
     # The meat of the image metadata bookkeeping. This is all the relevant