✨(feat): role based access control w/ casbin

[emoss08]

Summary by Sourcery

This pull request introduces role-based access control using Casbin, adds drag-and-drop functionality for assigning tractors to shipments, and implements optimistic locking for various models. It also includes several refactorings and enhancements to improve code readability, maintainability, and data consistency.

• New Features:
  • Introduced role-based access control using Casbin for permission management.
  • Added drag-and-drop functionality for assigning tractors to shipments in the shipment management UI.
  • Implemented optimistic locking for various models to handle concurrent updates.
• Enhancements:
  • Refactored shipment management components to improve code readability and maintainability.
  • Updated the Shipment model to include additional fields and improve data consistency.
  • Enhanced the TractorHandler and EquipmentTypeHandler to use Casbin for permission checks.
  • Improved the Location model with additional validation and optimistic locking.
  • Refactored the PermissionService to use Casbin for permission checks and role assignments.
• Chores:
  • Removed unused utility functions and constants from the codebase.
  • Updated fixture loading scripts to initialize Casbin enforcer and policies.

[sourcery-ai[bot]]

Reviewer's Guide by Sourcery

This pull request introduces role-based access control (RBAC) using Casbin. The changes include significant refactoring and enhancements across multiple files to integrate Casbin for permission management, update data models, and improve the shipment management UI.

File-Level Changes

Files	Changes
web/frontend/src/components/shipment-management/shipment-list.tsx web/frontend/src/components/shipment-management/shipment-list-view.tsx	Refactored shipment management components to support drag-and-drop functionality and improved UI with new components and pagination.
pkg/models/location.go pkg/models/equipment_type.go pkg/models/tractor.go pkg/models/accessorial_charge.go pkg/models/worker.go pkg/models/division_code.go pkg/models/user.go pkg/models/organization.go pkg/models/fleet_code.go pkg/models/document_classification.go	Added optimistic locking support with versioning and updated validation rules across multiple data models.
internal/api/handlers/tractor.handler.go internal/api/handlers/equipmenttype.handler.go internal/api/handlers/organization.handler.go	Refactored API handlers to use Casbin for permission checks and simplified method signatures.
internal/api/services/permission.service.go fixtures/seeder.go fixtures/load_roles.go fixtures/load_adminaccount.go	Integrated Casbin for role-based access control, refactored permission service, and updated fixture loading to include role and permission setup with Casbin.

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