The goal of this program is to model a vending machine and the state it must maintain during its operation. How exactly the actions on the machine are driven is left intentionally vague and is up to the candidate
The machine works like all vending machines: it takes money then gives you items. The vending machine accepts money in the form of 0.05, 0.10, 0.25 and 1
You must have at least have 3 primary items that cost 0.65, 1.00, and 1.50. Also user may hit the button “return coin” to get back the money they’ve entered so far, If you put more money in than the item price, you get the item and change back.
- 0.05, 0.10, 0.25, 1 - insert money
- Return Coin - returns all inserted money
- GET Water, GET Juice, GET Soda - select item (Water = 0.65, Juice = 1.00, Soda = 1.50)
- SERVICE - a service person opens the machine and set the available change and how many items we have.
- 0.05, 0.10, 0.25 - return coin
- Water, Juice, Soda - vend item
- Available items - each item has a count, a price and selector
- Available change - Number os coins available
- Currently inserted money
``code`
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[] Example 1: Buy Soda with exact change 1, 0.25, 0.25, GET-SODA -> SODA
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[] Example 2: Start adding money, but user ask for return coin 0.10, 0.10, RETURN-COIN -> 0.10, 0.10
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[] Example 3: Buy Water without exact change 1, GET-WATER -> WATER, 0.25, 0.10 `
Programming language should be PHP Solution with Dockerfile or docker-compose is highly appreciated When you finish, why not go to an extra mille and add some tests? :)
- The provided solutions needs to be uploaded into a public repository (Github, Gitlab, bitbucket) with a README.MD providing the following information.
- Instructions on how to run your solution
- Requirements
- Please make sure the name Holded are not referenced in any place in your code. Commit from the very beginning and commit often. We value the possibility to review your git log.
--- Source idea [original repo](https://github.com/holdedhub/careers/tree/main/challenges/backend) 😂😂😂