Move query logic to new module

code/database/queries.py

@@ -0,0 +1,21 @@
+from app.models import Glacier, Annual_Data, User
+from app import db
+
+
+def query_annual_data(form):
+    annual_data = db.session.query(Annual_Data).filter_by(year=form.year.data)
+    query = annual_data
+    if form.name.data:
+        query = (
+            db.session.query(Annual_Data)
+            .filter_by(year=form.year.data)
+            .join(Glacier, Glacier.id == Annual_Data.id)
+            .filter_by(name=form.name.data)
+            .group_by(Glacier.id)
+        )
+    return query
+
+
+def query_user(form):
+    user = User.query.filter_by(username=form.username.data).first()
+    return user