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<?php
declare(strict_types=1);
class FreshRSS_StatsDAOPGSQL extends FreshRSS_StatsDAO {
#[\Override]
protected function sqlDateToIsoGranularity(string $field, int $precision, string $granularity): string {
$offset = $this->getTimezoneOffset();
return match ($granularity) {
'day' => "to_char(to_timestamp(($field / $precision) + $offset), 'YYYY-MM-DD')",
'month' => "to_char(to_timestamp(($field / $precision) + $offset), 'YYYY-MM')",
'year' => "to_char(to_timestamp(($field / $precision) + $offset), 'YYYY')",
default => throw new InvalidArgumentException('Invalid date granularity'),
};
}
/**
* Calculates the number of article per hour of the day per feed
*
* @param int $feed id
* @return array<int,int>
*/
#[\Override]
public function calculateEntryRepartitionPerFeedPerHour(?int $feed = null): array {
return $this->calculateEntryRepartitionPerFeedPerPeriod('hour', $feed);
}
/**
* Calculates the number of article per day of week per feed
* @return array<int,int>
*/
#[\Override]
public function calculateEntryRepartitionPerFeedPerDayOfWeek(?int $feed = null): array {
return $this->calculateEntryRepartitionPerFeedPerPeriod('day', $feed);
}
/**
* Calculates the number of article per month per feed
* @return array<int,int>
*/
#[\Override]
public function calculateEntryRepartitionPerFeedPerMonth(?int $feed = null): array {
return $this->calculateEntryRepartitionPerFeedPerPeriod('month', $feed);
}
/**
* Calculates the number of article per period per feed
* @param string $period format string to use for grouping
* @return array<int,int>
*/
#[\Override]
protected function calculateEntryRepartitionPerFeedPerPeriod(string $period, ?int $feed = null): array {
$restrict = '';
if ($feed) {
$restrict = "WHERE e.id_feed = {$feed}";
}
$offset = $this->getTimezoneOffset();
$sql = <<<SQL
SELECT extract( {$period} from to_timestamp(e.date + {$offset})) AS period
, COUNT(1) AS count
FROM `_entry` AS e
{$restrict}
GROUP BY period
ORDER BY period ASC
SQL;
$res = $this->fetchAssoc($sql);
if ($res == null) {
return [];
}
$periodMax = match ($period) {
'hour' => 24,
'day' => 7,
'month' => 12,
default => 30,
};
$repartition = array_fill(0, $periodMax, 0);
foreach ($res as $value) {
$repartition[(int)$value['period']] = (int)$value['count'];
}
return $repartition;
}
}
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