gti-project1/Exercise 4.3.txt at master · manuelalves/gti-project1 · GitHub

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declare default element namespace "http://www.parlamento.pt";
let $doc := doc("https://fenix.tecnico.ulisboa.pt/downloadFile/566729524645336/parliamentUdata.xml")

let $sessions := (
 for $session in $doc//session
  return
	copy $s := $session
	modify (
           insert node ( attribute most-frequent {}) into $s)
	return $s
)

let $politicians := (
 for $politician in $doc//politician
  return
	copy $p := $politician
	modify (
          insert node ( attribute num-interventions {}) into $p,
	 insert node ( attribute num-sessions {}) into $p)
	return $p
)

let $num-interv := (
 for $politician in $politicians
  let $count := count($doc//speech[@politician eq $politician/@code])
   return
	copy $p := $politician
	modify (
          replace value of node $p/@num-interventions with $count)
	return $p
)


let $num-sess := (
 for $politician in $num-interv

  let $interv := (
   for $session in $doc//session
    let $p := distinct-values($session/speech/@politician)
   return  $p
  )

 let $code := $politician/@code
 let $count := count(index-of($interv, $code))
 return 	copy $p := $politician
	modify (
          replace value of node $p/@num-sessions with $count)
	return $p
)

 let $m-f := (
  for $session in $sessions
   let $politician := $doc//politician
   let $p := (
   for $pol in $politician
    let $count := count($session/speech[@politician eq $pol/@code])
   return <p order= "{$pol/@code}"  num= "{$count}" >  </p>
 )

let $max := max(
 for $i in $p
 return $i/@num
)

 let $politic := $p[@num = $max]

 let $party := $politician[@code  = $politic/@order]/@party

 return
  copy $s := $session
  modify (
   replace value of node $s/@most-frequent with $party)
  return $s)

 return
	copy $d := $doc
	modify (
 	 replace node $d//politicians with <politicians> {$num-sess} </politicians>,
	 replace node $d//parliament-interventions with <parliament-interventions> {$m-f} </parliament-interventions>
)
return $d