quotingServiceSequences.puml

@startuml
Title Quoting Service Sequences
participant "Payer DFSP"
participant "Switch\nQuoting\nService" as Switch
participant "Payee DFSP"

autonumber
note over "Payer DFSP", Switch: Payer DFSP requests quote from Payee DFSP
"Payer DFSP" -\ Switch: POST /quotes
Switch --/ "Payer DFSP": 202 Accepted
Switch -> Switch: Validate Quote Request
alt quote is valid
    Switch -> Switch: Persist Quote Data
    note over Switch, "Payee DFSP": Switch forwards quote request to Payee DFSP\n<Payer based Rules> 
    Switch -\ "Payee DFSP": POST /quotes
    "Payee DFSP" --/ Switch: 202 Accepted
    "Payee DFSP" -> "Payee DFSP": Calculate Fees/Charges
    
    alt Payee DFSP successfully calculates quote
    
        note over "Payee DFSP", Switch: Payee DFSP responds to quote request
        "Payee DFSP" -\ Switch: PUT /quotes/{ID}
        Switch --/ "Payee DFSP": 202 Accepted
        
        Switch -> Switch: Validate Quote Response
        
        alt response is ok
        
            Switch -> Switch: Persist Response Data
            
            note over Switch, "Payer DFSP": Switch forwards quote response to Payer DFSP\n<Payee \ whole request Rule>
            
            Switch -\ "Payer DFSP": PUT /quotes/{ID}
            "Payer DFSP" --/ Switch: 202 Accepted
            
            note over "Payer DFSP" #3498db: Payer DFSP continues\nwith transfer if quote\nis acceptable...
        else response invalid
        
            note over Switch, "Payee DFSP": Switch returns error to Payee DFSP
        
            Switch -\ "Payee DFSP": PUT /quotes/{ID}/error
            "Payee DFSP" --/ Switch : 202 Accepted
            
            note over Switch, "Payee DFSP" #ec7063: Note that under this\nscenario the Payer DFSP\nmay not receive a response
        
        end
    else Payee DFSP calculation fails or rejects the request
    
        note over "Payee DFSP", Switch: Payee DFSP returns error to Switch
    
        "Payee DFSP" -\ Switch: POST quotes/{ID}/error
        Switch --/ "Payee DFSP": 202 Accepted
        Switch -> Switch: Persist error data
        
        note over "Payer DFSP", Switch: Switch returns error to Payer DFSP
        
        Switch -\ "Payer DFSP": POST quotes/{ID}/error
        "Payer DFSP" --/ Switch: 202 Accepted
    
    end
else quote invalid
    note over "Payer DFSP", Switch: Switch returns error to Payer DFSP
    Switch -\ "Payer DFSP": POST quotes/{ID}/error
    "Payer DFSP" --/ Switch: 202 Accepted
end
@enduml