PHP Classes

How to Calculate the Commissions of Financial Operations using the PHP Commission Calculator From CSV File: Get transactions from file and compute commissions

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Version License PHP version Categories
commission-calculato 1.0MIT/X Consortium ...8PHP 5, Finances, PHP 8
Description 

Author

Maniruzzaman Akash

This package can get transactions from files and compute commissions.

It can read a file in CSV file with the amounts of financial transactions like withdrawals and deposits.

The package can process all the transactions and return the result of calculating the total amount of commissions using rates defined in specific classes that can handle operations which each type of supported transaction type.

Picture of Maniruzzaman Akash
  Performance   Level  

Level 1 Star

 Innovation award
Innovation award
Nominee: 9x

 

Example

<?php

use App\CommissionTask\Currency\CurrencyContainer;
use App\CommissionTask\Currency\Currency;
use App\CommissionTask\File\CsvReader;
use App\CommissionTask\Mapper\TransactionItems;
use App\CommissionTask\Transaction\Transaction;

require_once __DIR__ . '/vendor/autoload.php';

/**
 * Get the filename form cmd and run.
 *
 * @example
 * ```sh
 * php script.php
 * input.csv
 * ```
 */
$fileName = fgets(STDIN);

try {
    // Handle File from terminal
    $csvData = file_get_contents(__DIR__ . '/' . trim($fileName));
    $csvReader = new CsvReader();
    $csvReader->setRows($csvData);

    /**
     * Add some currencies.
     *
     * We can also process this from Currencies class.
     * To make the process simpler we've added it
     */
    $baseCurrency = new Currency();
    $baseCurrency->setCurrency('EUR');

    $currencyUsd = new Currency();
    $currencyUsd->setCurrency('USD');

    $currencyJpy = new Currency();
    $currencyJpy->setCurrency('JPY')
        ->setDecimals(0);

    $currencyData = CurrencyContainer::getInstance();
    $currencyData->add($baseCurrency)
        ->add($currencyUsd)
        ->add($currencyJpy);

    // Map transaction data into TransactionItem object.
    $transactionItems = new TransactionItems();
    $transactionItems->setItems($csvReader->getRows());

    // Process transaction
    $transaction = new Transaction($transactionItems);
    $transaction->processBulk();
    echo "\n";
    echo implode("\r\n", $transaction->responses);
    echo "\n";
} catch (\Exception $e) {
    echo 'Something went wrong processing. Error: ' . $e->getMessage();
}

Details

Commission calculator

A simple commission calculator for transaction - Withdraw, Deposit using PHP-8.x - Problem

Requirements

- PHP >= 8.0

How to start

Clone the repository

git clone https://github.com/ManiruzzamanAkash/commission-calculator.git

Go to that folder

cd commission-calculator

Install composer dependencies

composer install

PHPUnit Test

I've added total 33 tests, and 37 assertions for testing codebase.

composer run phpunit

Run PHP-CS

composer run test-cs

Run both PHPUnit + PHP-CS

composer run test

PHPUnit Test Demo

Run project

From terminal, you can run this command to get the result of input.csv's datasets.

input.csv - I've stored some real data in this file for testing commission.

php script.php
input.csv

Run Live

Run with Custom Data

Create a file sample.csv at project root -

Put some data's there and save, eg:

2014-12-31,4,private,withdraw,1200.00,EUR
2015-01-01,4,private,withdraw,1000.00,EUR
2016-01-05,4,private,withdraw,1000.00,EUR
2016-01-05,1,private,deposit,200.00,EUR

Now test our script from terminal

php script
sample.csv

  Files folder image Files (40)  
File Role Description
Files folder imagesrc (9 directories)
Files folder imagetests (4 directories)
Accessible without login Plain text file .php-cs-fixer.php Example Example script
Accessible without login Plain text file .phpunit.result.cache Data Auxiliary data
Accessible without login Plain text file composer.json Data Auxiliary data
Accessible without login Plain text file input.csv Data Auxiliary data
Accessible without login Plain text file phpunit.xml.dist Data Auxiliary data
Accessible without login Plain text file problem.MD Data Auxiliary data
Accessible without login Plain text file README.md Doc. Documentation
Accessible without login Plain text file script.php Example Example script

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