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<?php
class FreshRSS_StatsDAO extends Minz_ModelPdo {
const ENTRY_COUNT_PERIOD = 30;
/**
* Calculates entry repartition for all feeds and for main stream.
* The repartition includes:
* - total entries
* - read entries
* - unread entries
* - favorite entries
*
* @return type
*/
public function calculateEntryRepartition() {
$repartition = array();
// Generates the repartition for the main stream of entry
$sql = <<<SQL
SELECT COUNT(1) AS `total`,
COUNT(1) - SUM(e.is_read) AS `unread`,
SUM(e.is_read) AS `read`,
SUM(e.is_favorite) AS `favorite`
FROM {$this->prefix}entry AS e
, {$this->prefix}feed AS f
WHERE e.id_feed = f.id
AND f.priority = 10
SQL;
$stm = $this->bd->prepare($sql);
$stm->execute();
$res = $stm->fetchAll(PDO::FETCH_ASSOC);
$repartition['main_stream'] = $res[0];
// Generates the repartition for all entries
$sql = <<<SQL
SELECT COUNT(1) AS `total`,
COUNT(1) - SUM(e.is_read) AS `unread`,
SUM(e.is_read) AS `read`,
SUM(e.is_favorite) AS `favorite`
FROM {$this->prefix}entry AS e
SQL;
$stm = $this->bd->prepare($sql);
$stm->execute();
$res = $stm->fetchAll(PDO::FETCH_ASSOC);
$repartition['all_feeds'] = $res[0];
return $repartition;
}
/**
* Calculates entry count per day on a 30 days period.
* Returns the result as a JSON string.
*
* @return string
*/
public function calculateEntryCount() {
$count = $this->initEntryCountArray();
$period = self::ENTRY_COUNT_PERIOD;
// Get stats per day for the last 30 days
$sql = <<<SQL
SELECT DATEDIFF(FROM_UNIXTIME(e.date), NOW()) AS day,
COUNT(1) AS count
FROM {$this->prefix}entry AS e
WHERE FROM_UNIXTIME(e.date, '%Y%m%d') BETWEEN DATE_FORMAT(DATE_ADD(NOW(), INTERVAL -{$period} DAY), '%Y%m%d') AND DATE_FORMAT(DATE_ADD(NOW(), INTERVAL -1 DAY), '%Y%m%d')
GROUP BY day
ORDER BY day ASC
SQL;
$stm = $this->bd->prepare($sql);
$stm->execute();
$res = $stm->fetchAll(PDO::FETCH_ASSOC);
foreach ($res as $value) {
$count[$value['day']] = (int) $value['count'];
}
return $this->convertToSerie($count);
}
/**
* Initialize an array for the entry count.
*
* @return array
*/
protected function initEntryCountArray() {
return array_map(function () {
return 0;
}, array_flip(range(-self::ENTRY_COUNT_PERIOD, -1)));
}
/**
* Calculates feed count per category.
* Returns the result as a JSON string.
*
* @return string
*/
public function calculateFeedByCategory() {
$sql = <<<SQL
SELECT c.name AS label
, COUNT(f.id) AS data
FROM {$this->prefix}category AS c,
{$this->prefix}feed AS f
WHERE c.id = f.category
GROUP BY label
ORDER BY data DESC
SQL;
$stm = $this->bd->prepare($sql);
$stm->execute();
$res = $stm->fetchAll(PDO::FETCH_ASSOC);
return $this->convertToPieSerie($res);
}
/**
* Calculates entry count per category.
* Returns the result as a JSON string.
*
* @return string
*/
public function calculateEntryByCategory() {
$sql = <<<SQL
SELECT c.name AS label
, COUNT(e.id) AS data
FROM {$this->prefix}category AS c,
{$this->prefix}feed AS f,
{$this->prefix}entry AS e
WHERE c.id = f.category
AND f.id = e.id_feed
GROUP BY label
ORDER BY data DESC
SQL;
$stm = $this->bd->prepare($sql);
$stm->execute();
$res = $stm->fetchAll(PDO::FETCH_ASSOC);
return $this->convertToPieSerie($res);
}
/**
* Calculates the 10 top feeds based on their number of entries
*
* @return array
*/
public function calculateTopFeed() {
$sql = <<<SQL
SELECT f.id AS id
, MAX(f.name) AS name
, MAX(c.name) AS category
, COUNT(e.id) AS count
FROM {$this->prefix}category AS c,
{$this->prefix}feed AS f,
{$this->prefix}entry AS e
WHERE c.id = f.category
AND f.id = e.id_feed
GROUP BY f.id
ORDER BY count DESC
LIMIT 10
SQL;
$stm = $this->bd->prepare($sql);
$stm->execute();
return $stm->fetchAll(PDO::FETCH_ASSOC);
}
/**
* Calculates the last publication date for each feed
*
* @return array
*/
public function calculateFeedLastDate() {
$sql = <<<SQL
SELECT MAX(f.name) AS name
, MAX(date) AS last_date
FROM {$this->prefix}feed AS f,
{$this->prefix}entry AS e
WHERE f.id = e.id_feed
GROUP BY f.id
ORDER BY name
SQL;
$stm = $this->bd->prepare($sql);
$stm->execute();
return $stm->fetchAll(PDO::FETCH_ASSOC);
}
protected function convertToSerie($data) {
$serie = array();
foreach ($data as $key => $value) {
$serie[] = array($key, $value);
}
return json_encode($serie);
}
protected function convertToPieSerie($data) {
$serie = array();
foreach ($data as $value) {
$value['data'] = array(array(0, (int) $value['data']));
$serie[] = $value;
}
return json_encode($serie);
}
}
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