Show all matching annual data for glacier's name

code/database/queries.py

@@ -1,21 +1,25 @@
-from app.models import Glacier, Annual_Data, User
 from app import db
+from app.models import Annual_Data, Glacier, User
+from flask_sqlalchemy import BaseQuery
+from flask import flash, redirect, url_for
 
 
-def query_annual_data(form):
+def query_annual_data(form) -> BaseQuery:
     annual_data = db.session.query(Annual_Data).filter_by(year=form.year.data)
-    query = annual_data
     if form.name.data:
-        query = (
+        glacier_name = (
             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)
+            .group_by(Annual_Data.year)
         )
-    return query
+        if glacier_name.first() is None:
+            flash("Sorry, no results found")
+            return redirect(url_for("table_selection"))
+        return glacier_name
+    return annual_data
 
 
-def query_user(form):
+def query_user(form) -> BaseQuery:
     user = User.query.filter_by(username=form.username.data).first()
     return user