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upgrade script for spam score

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This commit is contained in:
Evan Prodromou 2012-03-02 10:37:20 -06:00
parent 77ab07920f
commit fb64cb63b6
2 changed files with 63 additions and 3 deletions
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4
ActivitySpamPlugin.php
View File

@ -81,6 +81,8 @@ class ActivitySpamPlugin extends Plugin
$schema = Schema::get();
$schema->ensureTable('spam_score', Spam_score::schemaDef());
Spam_score::upgrade();
return true;
}
@ -142,7 +144,7 @@ class ActivitySpamPlugin extends Plugin
$score->notice_id = $notice->id;
$score->score = $result->probability;
$score->is_spam = $result->isSpam;
$score->scaled = (int) ($result->probability * Spam_score::MAX_SCALED);
$score->scaled = Spam_score::scale($score->score);
$score->created = common_sql_now();
$score->notice_created = $notice->created;

62
Spam_score.php
View File

@ -46,7 +46,7 @@ if (!defined('STATUSNET')) {
class Spam_score extends Managed_DataObject
{
const MAX_SCALED = 1000000;
const MAX_SCALED = 10000;
public $__table = 'spam_score'; // table name
public $notice_id; // int
@ -82,7 +82,7 @@ class Spam_score extends Managed_DataObject
'not null' => true,
'description' => 'score for the notice (0.0, 1.0)'),
'scaled' => array('type' => 'int',
'description' => 'scaled score for the notice (0, 1000000)'),
'description' => 'scaled score for the notice (0, 10000)'),
'is_spam' => array('type' => 'tinyint',
'description' => 'flag for spamosity'),
'created' => array('type' => 'datetime',
@ -101,4 +101,62 @@ class Spam_score extends Managed_DataObject
),
);
}
public static function upgrade()
{
Spam_score::upgradeScaled();
Spam_score::upgradeIsSpam();
Spam_score::upgradeNoticeCreated();
}
protected static function upgradeScaled()
{
$score = new Spam_score();
$score->whereAdd('scaled IS NULL');
if ($score->find()) {
while ($score->fetch()) {
$orig = clone($score);
$score->scaled = Spam_score::scale($score->score);
$score->update($orig);
}
}
}
protected static function upgradeIsSpam()
{
$score = new Spam_score();
$score->whereAdd('is_spam IS NULL');
if ($score->find()) {
while ($score->fetch()) {
$orig = clone($score);
$score->is_spam = ($score->score >= 0.90) ? 1 : 0;
$score->update($orig);
}
}
}
protected static function upgradeNoticeCreated()
{
$score = new Spam_score();
$score->whereAdd('notice_created IS NULL');
if ($score->find()) {
while ($score->fetch()) {
$notice = Notice::staticGet('id', $score->notice_id);
if (!empty($notice)) {
$orig = clone($score);
$score->notice_created = $notice->created;
$score->update($orig);
}
}
}
}
protected static function scale($score)
{
$raw = round($score * Spam_score::MAX_SCALE);
return max(0, min(Spam_score::MAX_SCALE, $raw));
}
}