def rebuild():
"""
Build the datastore/database by fetching the category data from ebay
"""
# fetch data and extract from xml
category_data_xml = fetch_categories_from_ebay()
category_data = extract_category_data(category_data_xml)
# connect to database
datastore = DataStore()
datastore.connect()
# create a new table. drop first if exists
datastore.drop_table()
datastore.create_table()
# insert data into datastore
datastore.insert_all(category_data)
# close connection
datastore.disconnect()
