Customer Slip Generator

     

Customer Slip Generator is a small, production-quality C++17 CLI that captures customer details, calculates totals, prints a clean slip, and persists records to CSV and JSONL with atomic writes for safe, durable storage.

Requirements

• CMake 3.16+
• C++17 compiler (GCC 9+, Clang 10+, or MSVC 2019+)

Build

Linux/macOS

cmake -S . -B build -D CMAKE_BUILD_TYPE=Release
cmake --build build

Windows (MSVC + Ninja)

cmake -S . -B build -G Ninja -D CMAKE_BUILD_TYPE=Release
cmake --build build

Run

Interactive mode

./build/customer_slip

View slips by name (case-insensitive)

./build/customer_slip --view "ada"

Export CSV to pretty JSON

./build/customer_slip --export-json

Sample outputs

Sample interactive session

$ ./build/customer_slip

===== Enter Customer Details =====
Name: Sagar Biswas
Phone: +8801727371077
Address: XYZ Motijheel, Dhaka - 1000
Price: 120.50
Discount (%): 10

===== Product Slip =====
Name:     Sagar Biswas
Phone:    +8801727371077
Address:  XYZ Motijheel, Dhaka - 1000
Price:    $120.50
Discount: 10.00%
Total:    $108.45

Slip saved to data/slips.csv and data/slips.jsonl.

Exact CSV line produced

name,phone,address,price,discount,total,timestamp
Ada Lovelace,+1-555-0100,"42 Analytical Engine Way, London",120.50,10.00,108.45,2026-02-01T12:34:56Z

Exact JSONL line produced

{"name":"Ada Lovelace","phone":"+1-555-0100","address":"42 Analytical Engine Way, London","price":120.50,"discount":10.00,"total":108.45,"timestamp":"2026-02-01T12:34:56Z"}

Tests

cmake -S . -B build -D CMAKE_BUILD_TYPE=Release
cmake --build build
ctest --test-dir build --output-on-failure

A green test run indicates core formatting and parsing logic is correct.

Contributing

See CONTRIBUTING.md for coding style, branching, and PR checklist.

Changelog & roadmap

See CHANGELOG.md for release notes and planned enhancements.