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Corrected model method return values

ref-test/app/tools/forms.py

@@ -1,4 +1,5 @@
 
+from ..models import Dataset
 from ..modules import db
 
 from wtforms.validators import ValidationError
@@ -42,4 +43,14 @@ def get_time_options():
         ('90', '1 hour 30 minutes'),
         ('120', '2 hours')
     ]
-    return time_options
+    return time_options
+
+def get_dataset_choices():
+    datasets = Dataset.query.all()
+    dataset_choices = []
+    for dataset in datasets:
+        label = dataset['date'].strftime('%Y%m%d%H%M%S')
+        label = f'{label} (Default)' if dataset.default else label
+        choice = (dataset['id'], label)
+        dataset_choices.append(choice)
+    return dataset_choices