Installation

git clone https://github.com/bill-zhongjie-li/test.git

cd store

bundle

rake db:create

rake db:migrate

Usage

Start Rails console:

rails console

Run under Rails console

To import to inventory from a file:

Inventory.import(file_path)

To clear inventory:

Inventory.clear

To get top five most expensive books:

Inventory.most_expensive_books

To get top five most expensive cds:

Inventory.most_expensive_cds

To get top five most expensive dvds:

Inventory.most_expensive_dvds

To get cds with total running time more than 60 minutes:

Inventory.long_duration_cds

To get book authors who also released cds:

Inventory.authors_also_released_cds

To get items which have title, track or chapter contains a specific year (say 2002):

Inventory.items_with_title_track_or_chapter_contains_year(2002)