cacert-boardvoting/database.php

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<?php
$board = "cacert-board@lists.cacert.org";
class DB {
function __construct() {
$this->dbh = new PDO("sqlite:".dirname(__FILE__)."/database.sqlite");
$this->statement = array();
$this->statement['list decisions'] = $this->dbh->prepare("SELECT decisions.id, decisions.tag, voters.name AS proposer, decisions.proposed, decisions.title, decisions.content, decisions.quorum, decisions.majority, decisions.status, decisions.due, decisions.modified, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=1) AS ayes, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=-1) AS nayes, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=0) AS abstains FROM decisions, voters WHERE decisions.proponent=voters.id ORDER BY proposed DESC LIMIT 10 OFFSET 10 * (:page - 1);");
$this->statement['closed decisions'] = $this->dbh->prepare("SELECT decisions.id, decisions.tag, voters.name AS proposer, decisions.proposed, decisions.title, decisions.content, decisions.quorum, decisions.majority, decisions.status, decisions.due, decisions.modified, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=1) AS ayes, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=-1) AS nayes, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=0) AS abstains FROM decisions, voters WHERE decisions.proponent=voters.id AND decisions.status=0 AND datetime('now','utc') > datetime(due);");
$this->statement['get decision'] = $this->dbh->prepare("SELECT decisions.id, decisions.tag, decisions.proponent, voters.name AS proposer, decisions.proposed, decisions.title, decisions.content, decisions.quorum, decisions.majority, decisions.status, decisions.due, decisions.modified, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=1) AS ayes, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=-1) AS nayes, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=0) AS abstains FROM decisions, voters WHERE decisions.proponent=voters.id AND decisions.id=:decision;");
$this->statement['get new decision'] = $this->dbh->prepare("SELECT decisions.id, decisions.tag, decisions.proponent, voters.name AS proposer, decisions.proposed, decisions.title, decisions.content, decisions.quorum, decisions.majority, decisions.status, decisions.due, decisions.modified, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=1) AS ayes, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=-1) AS nayes, (SELECT COUNT(*) FROM votes WHERE decision=decisions.id AND vote=0) AS abstains FROM decisions, voters WHERE decisions.proponent=voters.id AND decisions.id=last_insert_rowid();");
$this->statement['get voter'] = $this->dbh->prepare("SELECT voters.id, voters.name FROM voters, emails WHERE voters.id=emails.voter AND emails.address=? AND voters.enabled=1");
$this->statement['get voter by id'] = $this->dbh->prepare("SELECT voters.id, voters.name FROM voters WHERE id=:id;");
$this->statement['get voters'] = $this->dbh->prepare("SELECT voters.id, voters.name FROM voters WHERE voters.enabled=1 ORDER BY name ASC;");
$this->statement['del vote'] = $this->dbh->prepare("DELETE FROM votes WHERE decision=:decision AND voter=:voter;");
$this->statement['do vote'] = $this->dbh->prepare("INSERT INTO votes (decision, voter, vote, voted, notes) VALUES (:decision, :voter, :vote, datetime('now','utc'), :notes);");
$this->statement['stats'] = $this->dbh->prepare("SELECT (SELECT COUNT(*) FROM voters WHERE enabled=1) AS voters;");
$this->statement['create decision'] = $this->dbh->prepare("INSERT INTO decisions (proposed, proponent, title, content, quorum, majority, status, due, modified) VALUES (datetime('now','utc'), :proponent, :title, :content, :quorum, :majority, 0, datetime('now','utc', :due), datetime('now','utc'));");
$this->statement['post create'] = $this->dbh->prepare(" UPDATE decisions SET tag='m' || strftime('%Y%m%d','now') || '.' || id WHERE id=last_insert_rowid();");
$this->statement['update decision'] = $this->dbh->prepare("UPDATE decisions SET proposed=datetime('now','utc'), proponent=:proponent, title=:title, content=:content, quorum=:quorum, majority=:majority, status=0, due=datetime('now','utc',:due), modified=datetime('now','utc') WHERE id=:id;");
$this->statement['close decision'] = $this->dbh->prepare("UPDATE decisions SET status=:status, modified=datetime('now','utc') WHERE id=:decision");
}
function getStatement($name) {
return $this->statement[$name];
}
function closeVotes() {
$stmt = $this->getStatement("closed decisions");
$upd = $this->getStatement("close decision");
if ($stmt->execute()) {
while ($decision = $stmt->fetch()) {
$votes = $decision['ayes'] + $decision['nayes'] + $decision['abstains'];
if ($votes < $decision['quorum']) {
$decision['status'] = -1;
} else {
$votes = $decision['ayes'] + $decision['nayes'];
if (($decision['ayes'] / $votes) >= ($decision['majority'] / 100)) {
$decision['status'] = 1;
} else {
$decision['status'] = -1;
}
}
$upd->bindParam(":decision",$decision['id']);
$upd->bindParam(":status",$decision['status']);
$upd->execute();
$state = $decision['status']==1?"accepted":"declined";
$tag = $decision['tag'];
$title = $decision['title'];
$content = $decision['content'];
$quorum = $decision['quorum'];
$majority = $decision['majority'];
$ayes = $decision['ayes'];
$nayes = $decision['nayes'];
$abstains = $decision['abstains'];
$percent = $decision['ayes'] * 100 / $decision['ayes']+$decision['nayes'];
$body = <<<BODY
Dear Board,
The motion with the identifier $tag has been $state.
Motion:
$title
$content
Votes:
Quorum: $quorum
Majority: $majority%
Ayes: $ayes
Nayes: $nayes
Abstentions: $abstains
Percentage: $percent%
Kind regards,
the voting system.
BODY;
mail($board,"Re: ".$decision['tag']." - ".$decision['title'],$body,"From: Voting System <returns@caert.org>");
}
}
}
}
?>