app_scala_quickstart_cli

Objectives

• A plain Scala CLI archetype project with common patterns to enable focusing on the unique aspects of your application instead of setup ceremony.

Project Structure

• core
  • The business logic of the application lives in this module.
• model
  • The models to represent the domain live in this module.
• gateway
  • all external interaction objects(e.g. files, external APIs etc) live in this module
• main
  • cli
    • the command line interface into the application lives in this module
  • if one were to need to expose this service over REST, gRPC, as library etc, they simply add a module here that provides the interface they want expose.

File interface(data format)

• definitions:
  • ModelA = AlphabetName Score
    • AlphabetName can incldue spaces
  • Delimiter = ", " => comma and one space
• The content of modelA line is:
  • pattern: ModelADelimiter ModelA
  • Example:
    • ObjectA 1, ObjectB 0
      • ModelA_A = ObjectA 1
      • Delimiter = ", "
      • ModelA_B = FC ObjectB 0

Dependencies

• Java Development Kit

Setup Instructions

• The repository is configured to use devcontainers for development.
  • Developing inside a Container

Build

# from root directory
make

Run Program

./release/app_scala_quickstart_cli.jar  ./release/sample_input.txt

• for your own file, run from the release folder with command format below

./app_scala_quickstart_cli.jar <your_file_name>

Testing

• Run unit and integration tests

sbt test

Git Conventions

• NB: The main is locked and all changes must come through a Pull Request.
• Commit Messages:
  • Provide concise commit messages that describe what you have done.

    # example:
    git commit -m "feat(core): algorithm" -m"implement my new shiny faster algorithm"

  • References:
    • https://www.conventionalcommits.org/en/v1.0.0/
    • https://www.freecodecamp.org/news/how-to-write-better-git-commit-messages/

Disclaimer: This is still work in progress.