155 lines
4.0 KiB
PHP
155 lines
4.0 KiB
PHP
#!/bin/env php
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<?php
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if (count($argv) > 1) {
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$poll_file=$argv[1];
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}
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else {
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print('missing file argument');
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exit(1);
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}
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$verbose=False;
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# $poll_fd=fopen($poll_file,'r');
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$poll_json=file_get_contents($poll_file);
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$poll=json_decode($poll_json,True);
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if ($verbose) {
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print($poll_json);
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print('=== json ===');
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var_dump($poll);
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}
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$votants=$poll['votants']['decompte'];
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$candidats=$poll['candidats'];
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$nombre_candidats=count($candidats);
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# l'ordre des mentions est de la meilleure à la pire (reject)
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$nom_mentions=$poll['mentions'];
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$mentions=count($nom_mentions);
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$default_mention=$mentions-1;
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$votes=$poll["votation"]["votes"];
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if ($verbose) {
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print("candidats\n");
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var_dump($candidats);
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print("votes:\n");
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var_dump($votes);
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}
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$warnings=[];
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$default_vote=[];
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foreach ($candidats as $candidat => $nom_candidat ) {
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$default_vote[$candidat]=$default_mention;
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}
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$collect=[];
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foreach ($votes as $vote) {
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# missing candidat in vote is the worts one
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foreach ($candidats as $candidat => $nom_candidat ) {
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if (! array_key_exists($candidat,$vote)) {
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$vote[$candidat]=$default_mention;
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}
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}
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foreach ( $vote as $candidat => $mention ) {
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if ($mention > $default_mention or $mention < 0) {
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$mention = $default_mention;
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array_push($warnings,"index de mention invalide, soit la liste des mentions est erronnée soit la mention dans le vote est erronée");
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}
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if ( array_key_exists($candidat,$collect)) {
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if ( array_key_exists($mention,$collect[$candidat])) {
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$collect[$candidat][$mention]=$collect[$candidat][$mention]+1;
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}
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else {
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$collect[$candidat][$mention]=1;
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}
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}
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else {
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$collect[$candidat]=[$mention => 1];
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}
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}
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}
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if ($verbose) {
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print("collect:\n");
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print(json_encode($collect));
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}
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$votant_median_check= ($votants % 2 == 0) ? intdiv($votants,2) : intdiv(($votants-1),2) + 1;
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$votant_median=intdiv($votants, 2) + $votants % 2;
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if ( $votant_median_check != $votant_median ) {
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print('[ERROR] le nombre median de votants (' . $votant_median_check . '/' . $votant_median . ') semble erroné. contactez le developpeur de ce code.');
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}
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$merite=[];
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$mention_mediane=[];
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$merite_pourcent=[];
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# cumul : du meilleur au pire
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# range_mentions = range(count(mentions))
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# cumul du pire au meilleur
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$range_mentions = $mentions;
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foreach ($candidats as $candidat => $nom_candidat) {
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$vote=$collect[$candidat];
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$cumul=0;
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for ($i=0; $i < $range_mentions; $i ++) {
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$m[$i]=0;
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$pourcent[$i]=0;
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}
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$mention_m=null;
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for ($mention=$range_mentions -1; $mention >=0; $mention --) {
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if ( array_key_exists($mention,$vote) ) {
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$cumul=$cumul+$vote[$mention];
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$pourcent[$mention]= ( 100 * $vote[$mention] ) / $votants;
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}
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if ($cumul >= $votant_median and $mention_m == null ) {
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$mention_m=$mention;
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}
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$m[$mention]=$cumul;
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}
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if ($cumul < $votants) {
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print("[ERROR] le cumul des votes " . $cumul . " doit correspondre au nombre de votants. contactez le developpeur de ce code.");
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}
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$mention_mediane[$candidat]=$mention_m;
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$merite[$candidat]=$m;
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$merite_pourcent[$candidat]=$pourcent;
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}
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if ($verbose) {
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print("\nmerite:\n");
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print(json_encode($merite));
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print("\nmention_mediane:\n");
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print(json_encode($mention_mediane));
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}
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# les gagnants sont ceux qui ont la mention mediane minimale ( la meilleure )
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$found=[];
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for ($mention = 0; $mention < $mentions; $mention ++) {
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foreach ($mention_mediane as $candidat => $merite_median)
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if ($merite_median == $mention) {
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$item=[];
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$item[$candidat]=$candidats[$candidat];
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array_push($found,$item);
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}
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if (count($found) > 0) {
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break;
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}
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}
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if ($verbose) {
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print($found);
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print($nom_mentions[$mention]);
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}
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$result = ['resultat'=> ['mention'=>$nom_mentions[$mention],'candidats' => $found],'merite' => $merite,'profil' => $merite_pourcent,"warnings" => $warnings];
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print(json_encode($result));
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?>
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