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AGENTS.md (English Version)

🎯 Objective

This project is full sources of Dolibarr ERP and CRM application. Every modification must respect:

  • Dolibarr's modular architecture
  • Compatibility with upstream updates
  • Modern PHP best practices

⚠️ Critical Rules (DO NOT VIOLATE)

  • ❌ Do not break compatibility of PHP functions and methods
  • ❌ Do not introduce external dependencies without validation
  • ❌ Separate page actions in the /* Actions */ section of the PHP code and the rendering part in the /* Views */ section
  • ✅ Use Dolibarr hooks whenever possible
  • ✅ Respect existing naming conventions

📁 Expected Architecture

Module structure: htdocs/mymodule ├── core/ ├── class/ ├── lib/ ├── sql/ ├── tpl/ └── admin/

A template of a module directory content can be found in the htdocs/modulebuilder/template folder of this project.

🧠 PHP Best Practices

  • PHP >= 7.3
  • Respect PSR-12, but indentations must be Tabs and not Spaces
  • Short, readable, and testable functions
  • Avoid side effects

🗄️ Database

  • Use Dolibarr database functions (Databese driver is global $db in pages or $this->db in classes)
  • ✅ Always escape user inputs
  • ✅ SQL forged by PHP must escape fields with db->escape(), db->sanitize() or by forcing the cast of the value into an (int) or (float).
  • ✅ SQL scripts for table and index creation must be in htdocs/install/mysql/tables/ (see existing files for examples)

🔌 Hooks & Extensions

  • Prioritize hooks over overrides
  • Name hooks clearly

🧪 Testing & Validation

Before any modification:

  • Verify:
    • creation / edition / deletion
    • user rights
    • multi-entity compatibility
  • If possible:
    • add a PHP unit file for test

🖥️ UI / UX

  • Respect Dolibarr UI (no wild redesigns)
  • Reuse existing components
  • ❌ No overly complex inline JS
  • ✅ JS in separate files

🔒 Security

  • Always validate inputs (GET, POST) via GETPOST()
  • Avoid SQL / XSS injections
  • Use Dolibarr CSRF tokens in POST forms

🧾 Logs & Debug

  • Use dol_syslog() for logging
  • Do not leave var_dump / die in code

🚀 Git Workflow

  • One branch per major version (Fix only) and one for develop (Fix and new features)
  • Clear commits starting with NEW, CLOSE, or FIX

🧩 What the agent MUST do

  • Read this file before any modification
  • Check if an equivalent function already exists
  • Minimize the impact of changes
  • Propose modular modifications

❗ What the agent MUST NOT do

  • Massive refactoring without explicit request
  • Change the global architecture
  • Delete code without justification
  • Add external dependencies

💡 Key Principle

👉 Always prioritize: extension > modification

📌 In case of doubt

  • Keep it simple
  • Be conservative
  • Ask for confirmation before any critical change