Page Comparison

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1. Verify the validity of access token
   
   1. Return 401 in case validation fails
2. Check scopes in order to perform this action (scope = 'employee_role:write')
   1. Return 403 in case invalid scope(s)

Validate request

Validate request using JSON schema

Validate legal entity

Check that legal entity is active (status = ACTIVE, SUSPENDED)

1. Extract client_id from token (token.client_id == legal_entity_id)
2. Check legal entity status (status = ACTIVE, SUSPENDED)
   1. In case of error - return 409 (Legal entity must be ACTIVE or SUSPENDED)

Validate FK

1. Validate healthcare_service_id - healthcare service exists and is_active = true
   1. Return 422 in case validation fails
2. Validate employee_id - employee exists and is_active = true
   1. Return 422 in case validation fails

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1. Extract client_id from token (token.client_id == legal_entity_id)
2. Validate legal entity on employee service
3. Check employee status (status = APPROVED)
4. Validate specialization on employee and (where specialities.speciality_officio = true) and healthcare service

Save object to DB

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