def get_shelves():
all_shelves = Shelf.read_all_shelves()
if all_shelves:
return jsonify(all_shelves), 200
else:
return "Self not found", 400
def read_all_shelves():
try:
shelves = Shelf.read_all_shelves()
return jsonify(shelves), 200
except:
return 'not found', 400