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<?php
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class FreshRSS_StatsDAOPGSQL extends FreshRSS_StatsDAO {
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/**
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* Calculates the number of article per hour of the day per feed
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*
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* @param integer $feed id
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* @return string
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*/
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public function calculateEntryRepartitionPerFeedPerHour($feed = null) {
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return $this->calculateEntryRepartitionPerFeedPerPeriod('hour', $feed);
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}
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/**
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* Calculates the number of article per day of week per feed
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*
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* @param integer $feed id
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* @return string
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*/
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public function calculateEntryRepartitionPerFeedPerDayOfWeek($feed = null) {
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return $this->calculateEntryRepartitionPerFeedPerPeriod('day', $feed);
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}
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/**
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* Calculates the number of article per month per feed
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*
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* @param integer $feed
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* @return string
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*/
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public function calculateEntryRepartitionPerFeedPerMonth($feed = null) {
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return $this->calculateEntryRepartitionPerFeedPerPeriod('month', $feed);
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}
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/**
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* Calculates the number of article per period per feed
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*
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* @param string $period format string to use for grouping
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* @param integer $feed id
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* @return string
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*/
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protected function calculateEntryRepartitionPerFeedPerPeriod($period, $feed = null) {
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$restrict = '';
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if ($feed) {
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$restrict = "WHERE e.id_feed = {$feed}";
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}
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$sql = <<<SQL
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SELECT extract( {$period} from to_timestamp(e.date)) AS period
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, COUNT(1) AS count
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FROM "{$this->prefix}entry" AS e
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{$restrict}
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GROUP BY period
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ORDER BY period ASC
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SQL;
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$stm = $this->bd->prepare($sql);
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$stm->execute();
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$res = $stm->fetchAll(PDO::FETCH_NAMED);
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foreach ($res as $value) {
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$repartition[(int) $value['period']] = (int) $value['count'];
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}
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return $repartition;
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}
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}
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