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Use Case
Dishant Munjal edited this page Jul 31, 2019
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The use case for demo purposes used here is explained as follows. The system we are designing is an e-commerce discount calculation system.
The rules for the discount calculation are –
- Give the user a discount of 10% over MRP if the following conditions are followed –
- The user’s country is India.
- The user’s loyalty factor is less than or equal to 2.
- All the orders purchased by the user so far should amount to more than 5,000.
- User should have at least made more than two successful orders.
- The user should have visited the site more than two times every month.
- Give the user a discount of 20% over MRP if the following conditions are followed –
- The user’s country is India.
- The user’s loyalty factor is equal to 3.
- All the orders purchased by the user so far should amount to more than 10,000.
- User should have at least made more than two successful orders.
- The user should have visited the site more than two times every month.
- Give the user a discount of 25% over MRP if the following conditions are followed –
- The user’s country is not India.
- The user’s loyalty factor is greater than or equal to 2.
- All the orders purchased by the user so far should amount to more than 10,000.
- User should have at least made more than two successful orders.
- The user should have visited the site more than five times every month.
- Give the user a discount of 30% over MRP if the following conditions are followed –
- The user’s loyalty factor is greater than 3.
- All the orders purchased by the user so far should amount to more than 50,000 but less than 100,000.
- User should have at least made more than five successful orders.
- The user should have visited the site more than fifteen times every month.
- Give the user a discount of 30% over MRP if the following conditions are followed –
- The user’s loyalty factor is greater than 3.
- All the orders purchased by the user so far should amount to more than 100,000.
- User should have at least made more than fifteen successful orders.
- The user should have visited the site more than 25 times every month.
- Give 0% discount in any other case.
Here the inputs will be of three different types as they are coming from three different data sources/APIs.
This input has information like –
- Name
- Country
- Credit history
- Loyalty factor
- Sum of the purchases made by the user till date.
This input is a summarization of the orders made by the user so far. This input has information like –
- Total number of orders
- Recurring items in those orders if any
This input is a summarization of the telemetry information collected based on the user’s visit to the site. This input has information like –
- Number of visits to the site per month
- Percentage of the number of times the user purchased something to the number of times the user visited