Workflower Laravel Package

Product Decisions This Supports

• Build vs. Buy: Buy – Avoid reinventing a BPMN 2.0 workflow engine from scratch. Workflower provides a mature, standards-compliant solution with minimal maintenance overhead.
• Feature Roadmap:
  • Process Automation: Implement human-centric workflows (e.g., approval chains, loan processing) without custom code for routing logic.
  • Compliance & Auditability: Leverage BPMN 2.0’s native support for gateways, events, and swimlanes to model complex business rules and track process history.
  • Integration with Legacy Systems: Use Service Tasks to bridge Workflower with external APIs (e.g., payment gateways, ERP systems).
  • Symfony Ecosystem: Reduce boilerplate by using PHPMentorsWorkflowerBundle for DI, security integration, and Doctrine serialization.
• Use Cases:
  • Internal Approval Workflows: Replace ad-hoc email chains with structured, auditable processes (e.g., expense reports, hiring pipelines).
  • Customer-Facing Flows: Model multi-step processes like order fulfillment or subscription onboarding with conditional branching.
  • Generative Programming: Dynamically generate workflows at runtime (e.g., configurable business rules per client segment).
  • Microservices Orchestration: Coordinate asynchronous tasks across services using CallActivity tasks.

When to Consider This Package

Adopt Workflower If:

• Your workflows are human-centric (e.g., require task assignments, approvals, or manual interventions).
• You need BPMN 2.0 compliance for documentation, compliance, or tooling (e.g., Camunda Modeler integration).
• Your team uses Symfony and wants seamless integration with Doctrine, security, and DI.
• You prioritize maintainability over custom code for routing logic, gateways, or event handling.
• Your processes are moderately complex (supports gateways, sub-processes, and swimlanes) but don’t require real-time scalability (e.g., <10K concurrent instances).

Look Elsewhere If:

• You need low-latency, high-throughput workflows (e.g., IoT event processing). Workflower’s PHP overhead may not suit real-time systems.
• Your workflows are code-heavy (e.g., heavy custom logic per task). Consider state machines (e.g., spatie/laravel-simple-state-machine) or serverless (e.g., AWS Step Functions).
• You require native support for long-running transactions or distributed coordination (e.g., Saga patterns). Pair with a message broker (e.g., RabbitMQ) or use Camunda for enterprise-grade features.
• Your team lacks BPMN expertise. Workflower’s power comes with a learning curve for modeling workflows.
• You need active maintenance or modern PHP 8.x support. Last release was 2019; evaluate migration effort or fork risks.

How to Pitch It (Stakeholders)

For Executives:

"Workflower lets us automate complex business processes—like loan approvals or customer onboarding—without writing spaghetti routing code. By using industry-standard BPMN 2.0 diagrams, our team can visually design workflows (e.g., ‘If X, route to Manager; else, route to Director’), reducing errors and speeding up changes. It integrates natively with Symfony, so we avoid reinventing wheels for task assignments, security, or persistence. Think of it as ‘GitHub for workflows’—collaborative, version-controlled, and auditable. Upfront cost? Minimal. ROI? Faster compliance, fewer manual errors, and scalable automation for repetitive tasks."

For Engineers:

**"Workflower is a battle-tested BPMN 2.0 engine for PHP that handles the heavy lifting of workflow orchestration. Key wins:

• No more if-else hell: Define branching logic in BPMN diagrams (e.g., exclusive/inclusive gateways) instead of code.
• Symfony superpowers: Leverage the bundle for Doctrine serialization, security integration, and auto-wired domain services.
• Extensible: Hook into tasks via ProcessAwareInterface to glue Workflower to your domain (e.g., trigger a payment API on a ‘Process Payment’ task).
• Future-proof: BPMN is a standard; swap out Workflower later if needed (e.g., for Camunda).

Tradeoffs:

• Last release was 2019, but the core is stable. We’d need to test PHP 8.x compatibility or fork critical fixes.
• Not for ultra-high-scale systems—expect ~100ms latency per transition.

Proposal: Start with a pilot workflow (e.g., expense approvals) to validate the BPMN modeling experience and bundle integration. If successful, roll out to other human-centric processes."**

For Developers:

**"Here’s how you’d use Workflower in a Symfony app:

1. Design: Model your workflow in Camunda Modeler (e.g., loan_request.bpmn with tasks like ‘Validate Credit’ and ‘Approve’).
2. Integrate: Add the bundle, configure it to point to your BPMN files, and define a ProcessContext entity to store workflow state.
3. Automate: Tag domain services with phpmentors_workflower.process_aware to link them to tasks (e.g., completeWorkItem()).
4. Trigger: Start processes from controllers/commands (e.g., workflower->startProcess('loan_request', $context)).
5. Monitor: Use the ProcessConsole pattern to list/operate on active instances.

Example:

// 1. Define a BPMN file: loan_request.bpmn
// 2. Create an entity:
class LoanRequest implements ProcessContextInterface {
    public function getProcessData() { return ['amount' => $this->amount]; }
}

// 3. Tag a service to handle task completion:
services:
    app.loan_approver:
        class: App\Service\LoanApprover
        tags:
            - { name: phpmentors_workflower.process_aware, workflow: loan_request }

Why? Less code, more clarity. Move from ‘spaghetti routing’ to ‘visual workflows with code hooks.’"**