http://www.mediawiki.org/wiki/Special:Code/MediaWiki/95737
Revision: 95737
Author: werdna
Date: 2011-08-30 08:03:41 +0000 (Tue, 30 Aug 2011)
Log Message:
-----------
SecurePoll: Create interface to dump comments from elections that include them.
Quick and dirty for getting the results of the PIF election
Modified Paths:
--------------
trunk/extensions/SecurePoll/SecurePoll.php
trunk/extensions/SecurePoll/includes/talliers/HistogramRangeTallier.php
Added Paths:
-----------
trunk/extensions/SecurePoll/cli/dumpComments.php
trunk/extensions/SecurePoll/includes/talliers/CommentDumper.php
Modified: trunk/extensions/SecurePoll/SecurePoll.php
===================================================================
--- trunk/extensions/SecurePoll/SecurePoll.php 2011-08-30 07:23:31 UTC (rev
95736)
+++ trunk/extensions/SecurePoll/SecurePoll.php 2011-08-30 08:03:41 UTC (rev
95737)
@@ -95,6 +95,7 @@
'SecurePoll_SchulzeTallier' =>
"$dir/includes/talliers/SchulzeTallier.php",
'SecurePoll_AlternativeVoteTallier' =>
"$dir/includes/talliers/AlternativeVoteTallier.php",
'SecurePoll_Tallier' => "$dir/includes/talliers/Tallier.php",
+ 'SecurePoll_CommentDumper' =>
"$dir/includes/talliers/CommentDumper.php",
# user
'SecurePoll_Auth' => "$dir/includes/user/Auth.php",
Added: trunk/extensions/SecurePoll/cli/dumpComments.php
===================================================================
--- trunk/extensions/SecurePoll/cli/dumpComments.php
(rev 0)
+++ trunk/extensions/SecurePoll/cli/dumpComments.php 2011-08-30 08:03:41 UTC
(rev 95737)
@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * Dump the comments from an election from a dump file or local database.
+ *
+ * For the purposes of the Personal Image Filter referendum, this script
+ * dumps the answers to all questions in key order.
+ *
+ * Can be used to tally very large numbers of votes, when the web interface is
+ * not feasible.
+ */
+
+$optionsWithArgs = array( 'name' );
+require( dirname(__FILE__).'/cli.inc' );
+
+$wgTitle = Title::newFromText( 'Special:SecurePoll' );
+
+$usage = <<<EOT
+Usage:
+ php dumpComments.php [--html] --name <election name>
+ php dumpComments.php [--html] <dump file>
+EOT;
+
+if ( !isset( $options['name'] ) && !isset( $args[0] ) ) {
+ spFatal( $usage );
+}
+
+if ( !class_exists( 'SecurePoll_Context' ) ) {
+ if ( isset( $options['name'] ) ) {
+ spFatal( "Cannot load from database when SecurePoll is not
installed" );
+ }
+ require( dirname( __FILE__ ) . '/../SecurePoll.php' );
+}
+
+$context = new SecurePoll_Context;
+if ( !isset( $options['name'] ) ) {
+ $context = SecurePoll_Context::newFromXmlFile( $args[0] );
+ if ( !$context ) {
+ spFatal( "Unable to parse XML file \"{$args[0]}\"" );
+ }
+ $electionIds = $context->getStore()->getAllElectionIds();
+ if ( !count( $electionIds ) ) {
+ spFatal( "No elections found in XML file \"{$args[0]}\"" );
+ }
+ $election = $context->getElection( reset( $electionIds ) );
+} else {
+ $election = $context->getElectionByTitle( $options['name'] );
+ if ( !$election ) {
+ spFatal( "The specified election does not exist." );
+ }
+}
+
+$tallier = new SecurePoll_CommentDumper( $context, $election );
+$status = $tallier->execute();
+if ( !$status->isOK() ) {
+ spFatal( "Tally error: " . $status->getWikiText() );
+}
+//$tallier = $status->value;
+if ( isset( $options['html'] ) ) {
+ echo $tallier->getHtmlResult();
+} else {
+ echo $tallier->getTextResult();
+}
+
+
+function spFatal( $message ) {
+ fwrite( STDERR, rtrim( $message ) . "\n" );
+ exit( 1 );
+}
Added: trunk/extensions/SecurePoll/includes/talliers/CommentDumper.php
===================================================================
--- trunk/extensions/SecurePoll/includes/talliers/CommentDumper.php
(rev 0)
+++ trunk/extensions/SecurePoll/includes/talliers/CommentDumper.php
2011-08-30 08:03:41 UTC (rev 95737)
@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * A class that dumps the comments from an election
+ */
+class SecurePoll_CommentDumper extends SecurePoll_ElectionTallier {
+ var $csvHandle;
+
+ function execute() {
+ $this->csvHandle = fopen( 'php://temp', 'r+' );
+ return parent::execute();
+ }
+
+ /**
+ * Add a record. This is the callback function for
SecurePoll_Store::callbackValidVotes().
+ * On error, the Status object returned here will be passed through
back to
+ * the caller of callbackValidVotes().
+ *
+ * @param $store SecurePoll_Store
+ * @param $record string Encrypted, packed record.
+ * @return Status
+ */
+ function addRecord( $store, $record ) {
+ # Decrypt and unpack
+ if ( $this->crypt ) {
+ $status = $this->crypt->decrypt( $record );
+ if ( !$status->isOK() ) {
+ return $status;
+ }
+ $record = $status->value;
+ }
+ $record = rtrim( $record );
+ $scores = $this->ballot->unpackRecord( $record );
+
+ $comments = $scores['comment'];
+ unset($scores['comment']);
+ $output = array( $comments['native'], $comments['en'] );
+
+ ksort( $output );
+
+ foreach ( $scores as $question ) {
+ ksort( $question );
+ $output = array_merge( $output, $question );
+ }
+
+ fputcsv( $this->csvHandle, $output );
+
+ return Status::newGood();
+ }
+
+ function getHtmlResult() {
+ return $this->getTextResult();
+ }
+
+ /**
+ * Get text formatted results for this tally. Should only be called
after
+ * execute().
+ */
+ function getTextResult() {
+ return stream_get_contents( $this->csvHandle, -1, 0 );
+ }
+}
Modified:
trunk/extensions/SecurePoll/includes/talliers/HistogramRangeTallier.php
===================================================================
--- trunk/extensions/SecurePoll/includes/talliers/HistogramRangeTallier.php
2011-08-30 07:23:31 UTC (rev 95736)
+++ trunk/extensions/SecurePoll/includes/talliers/HistogramRangeTallier.php
2011-08-30 08:03:41 UTC (rev 95737)
@@ -80,7 +80,7 @@
}
function getTextResult() {
- throw new MWException( __METHOD__.': not yet implemented' );
+ return $this->getHtmlResult();
}
}
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