https://github.com/9elements/academy-exercise-es-6-classes

In this tutorial you'll learn how to use ES6 classes using Babel and webpack.
https://github.com/9elements/academy-exercise-es-6-classes

Last synced: 6 days ago
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In this tutorial you'll learn how to use ES6 classes using Babel and webpack.

• Host: GitHub
• URL: https://github.com/9elements/academy-exercise-es-6-classes
• Owner: 9elements
• License: mit
• Created: 2016-09-02T16:08:12.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2023-01-05T23:16:43.000Z (almost 2 years ago)
• Last Synced: 2024-04-11T03:52:05.899Z (7 months ago)
• Language: JavaScript
• Size: 2.08 MB
• Stars: 3
• Watchers: 15
• Forks: 2
• Open Issues: 18
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

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README

        
# User Stories

- In a bank you have business accounts and private accounts.

- You can transfer money between accounts using transactions.

- For private accounts the transaction fee is 0.01 € for business accounts the transaction fee is 0.02 €.

# Tasks

- [ ] write an `Account` class

  - [ ] The class should hold a reference to the `ledger`

  - [ ] It should also have a `name` to identify the account

- [ ] implement a `Transaction` class

  - [ ] A transaction consists of an optional `sender` (Type: Account)

  - [ ] `receiver` (Type: Account)

  - [ ] `amount` (Type: Number)

  - [ ] `reference` (Type: String)

- [ ] implement a `Ledger` class that keeps all transactions

  - [ ] It should keep an array of `transactions`

  - [ ] Have a member variable `bankAccount` the keeps a reference for the bank account

  - [ ] Implement a function `addTransaction(transaction)`

  - [ ] Implement a function `calculateAmountForAccount(account)` using `reduce`

  - [ ] Implement a function `findTransactionsForAccount(account)` using `filter`

- [ ] Add convenience functions to `Account`

  - [ ] add a `send` function that generates two transactions

    - [ ] The actual transaction

    - [ ] A transaction for the fee for the bank

  - [ ] add a getter to calculate the `amount`

  - [ ] add a getter to retrieve all `transactions` that are related to the account

- [ ] specialize `Account` class into a `BusinessAccount`

  - [ ] override the `send` function to respect different transaction fees for businesses

# Help

You can see the tests in `integration-test`. Try to run write the classes so they are satisfying the tests. You can also follow the commits in the `solution` branch to see the solution.

# Commands

```

npm install # install all dependencies

npm test # runs all tests

npm start # starts a dev server on localhost:8000

```