A Ruby service skeleton framework for orchestrating business logic into a series of simple, single-responsibility actions.
LightService is a Ruby framework for structuring complex business workflows as a series of simple, single-responsibility actions. It solves the problem of tangled, hard-to-test service logic by providing a clear pattern for orchestrating steps, handling errors, and managing data flow between operations.
Ruby and Rails developers building maintainable service layers, especially those dealing with multi-step business processes, ETL pipelines, or complex controller logic that violates the Single Responsibility Principle.
Developers choose LightService for its emphasis on simplicity and clarity. It enforces a declarative style that makes workflows easy to follow, provides built-in tools for validation and error handling, and integrates seamlessly with Rails while keeping business logic decoupled and testable.
Series of Actions with an emphasis on simplicity.
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Organizers use constructs like reduce_if, iterate, and reduce_case to express complex business logic clearly, as shown in the ETL example, making multi-step processes easy to follow and maintain.
Provides fail! and fail_with_rollback! methods with messages and error codes, plus optional rollback mechanisms via the rolled_back macro, ensuring robust error management in workflows.
Includes Rails generators for organizers and actions, and seamless context passing in Rails apps, reducing boilerplate and accelerating development for Rails-based projects.
Actions enforce single-responsibility with expects/promises validation, and the ContextFactory allows isolated testing by simulating organizer contexts, simplifying unit and integration tests.
Requires defining separate action classes and organizers even for straightforward logic, which can add unnecessary complexity compared to inline service methods or simpler patterns.
New users must grasp concepts like organizers, actions, expects/promises, and orchestration constructs (e.g., reduce_if), which can be daunting for teams used to imperative Ruby code.
Designed for synchronous, in-process execution; lacks built-in support for asynchronous or parallel action processing, requiring external tools for concurrency.