U-Store is a web-based e-commerce application. It is composed of a number of services that implement specialized pieces of functionalities and talk to each other using HTTP resource APIs. The table below lists the services of the U-Store and provides a brief description of each one of them.
| Service | Description |
|---|---|
| frontend | Exposes an HTTP server to serve the website. Generates session IDs for all users. |
| user | Provide Customer login, sign up, as well as user's information retrieval. |
| cart | Stores selected items in the user's shipping cart (into persistent memory) and retrieves it. |
| catalogue | Provides the list of products from a SQL database, the ability to search products, and get individual products |
| shipping | Gives shipping cost estimates based on the shopping cart and the given address (mock component). |
| payment | Charges the given credit card info (mock component) with the given amount and returns a transaction ID. |
Services can be configured with artificial abnormal conditions (due to sources of uncertainty).
Namely, services can be configured to simulate service degradation by means of failure rates (ecomm_configfail DB table) and random delays (ecomm_timerate DB table).
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Download
Python 3.7(that includesPIP); open a shell and execute the following command:pip install django -
Download and install a DBMS for SQLite (e.g., SQLite Studio)
Launch the U-Store web app
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cdintoecommercedirectory -
Open a shell and execute the Python program:
manage.py runserver(the default server address is127.0.0.1:8000). Alternatively, you can specify another server address as second parameter using the syntaxIP:port; note that the IP must to be addedd to the the list of allowed host in thesetting.py -
Open in a browser the index page of the U-Store: http://127.0.0.1:8000/index.html