Specification
Validations
Authorization
Verify the validity of access token
Return (401, 'unauthorized') in case of validation fails
Verify that token is not expired
in case of error - return (401, 'unauthorized')
Check user scopes in order to perform this action (scope = 'service_request:read')
Return (403, 'invalid scopes') in case of invalid scope(s)
Service logic
Return all service requests filtered by request parameters
exact match for requisition number and status