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authz_client/CLAUDE.md
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# authz_client
Shared Go library for authorization service client integration.
## Shared Documentation
@../docs/claude/architecture.md
@../docs/claude/go-services.md
@../docs/claude/conventions.md
## Library Information
### Purpose
Provides a client for the authz-service, handling privilege management for users across companies. Used by all microservices that need to check user permissions.
### Usage
```go
import client "gitlab.com/unboundsoftware/shiny/authz_client"
// Create handler with options
handler := client.New(client.WithBaseURL("http://authz-service"))
// Check user privileges
privileges := handler.Get(email, companyID)
if privileges.Invoicing {
// User has invoicing privileges
}
```
### Privileges
The `CompanyPrivileges` struct contains permission flags:
- `Admin` - Administrative access
- `Company` - Company management
- `Consumer` - Consumer/customer access
- `Time` - Time tracking
- `Invoicing` - Invoice management
- `Accounting` - Accounting access
- `Supplier` - Supplier management
- `Salary` - Salary/payroll access
### Event Handling
Implements `goamqp` message handlers to receive privilege update events from the authz-service, keeping the local privilege cache up-to-date.