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 = <<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 $sql = <<prefix}entry AS e WHERE FROM_UNIXTIME(e.date, '%Y%m%d') BETWEEN DATE_FORMAT(DATE_ADD(NOW(), INTERVAL -{$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 $this->initStatsArray(-self::ENTRY_COUNT_PERIOD, -1); } /** * Calculates the number of article per hour of the day per feed * * @param integer $feed id * @return string */ public function calculateEntryRepartitionPerFeedPerHour($feed = null) { return $this->calculateEntryRepartitionPerFeedPerPeriod('%H', $feed); } /** * Calculates the number of article per day of week per feed * * @param integer $feed id * @return string */ public function calculateEntryRepartitionPerFeedPerDayOfWeek($feed = null) { return $this->calculateEntryRepartitionPerFeedPerPeriod('%w', $feed); } /** * Calculates the number of article per month per feed * * @param integer $feed * @return string */ public function calculateEntryRepartitionPerFeedPerMonth($feed = null) { return $this->calculateEntryRepartitionPerFeedPerPeriod('%m', $feed); } /** * Calculates the number of article per period per feed * * @param string $period format string to use for grouping * @param integer $feed id * @return string */ protected function calculateEntryRepartitionPerFeedPerPeriod($period, $feed = null) { if ($feed) { $restrict = "WHERE e.id_feed = {$feed}"; } else { $restrict = ''; } $sql = <<prefix}entry AS e {$restrict} GROUP BY period ORDER BY period ASC SQL; $stm = $this->bd->prepare($sql); $stm->execute(); $res = $stm->fetchAll(PDO::FETCH_NAMED); foreach ($res as $value) { $repartition[(int) $value['period']] = (int) $value['count']; } return $this->convertToSerie($repartition); } /** * Calculates the average number of article per hour per feed * * @param integer $feed id * @return integer */ public function calculateEntryAveragePerFeedPerHour($feed = null) { return $this->calculateEntryAveragePerFeedPerPeriod(1/24, $feed); } /** * Calculates the average number of article per day of week per feed * * @param integer $feed id * @return integer */ public function calculateEntryAveragePerFeedPerDayOfWeek($feed = null) { return $this->calculateEntryAveragePerFeedPerPeriod(7, $feed); } /** * Calculates the average number of article per month per feed * * @param integer $feed id * @return integer */ public function calculateEntryAveragePerFeedPerMonth($feed = null) { return $this->calculateEntryAveragePerFeedPerPeriod(30, $feed); } /** * Calculates the average number of article per feed * * @param float $period number used to divide the number of day in the period * @param integer $feed id * @return integer */ protected function calculateEntryAveragePerFeedPerPeriod($period, $feed = null) { if ($feed) { $restrict = "WHERE e.id_feed = {$feed}"; } else { $restrict = ''; } $sql = <<prefix}entry AS e {$restrict} SQL; $stm = $this->bd->prepare($sql); $stm->execute(); $res = $stm->fetch(PDO::FETCH_NAMED); $date_min = new \DateTime(); $date_min->setTimestamp($res['date_min']); $date_max = new \DateTime(); $date_max->setTimestamp($res['date_max']); $interval = $date_max->diff($date_min, true); $interval_in_days = $interval->format('%a'); if ($interval_in_days <= 0) { // Surely only one article. // We will return count / (period/period) == count. $interval_in_days = $period; } return round($res['count'] / ($interval_in_days / $period), 2); } /** * Initialize an array for statistics depending on a range * * @param integer $min * @param integer $max * @return array */ protected function initStatsArray($min, $max) { return array_map(function () { return 0; }, array_flip(range($min, $max))); } /** * Calculates feed count per category. * Returns the result as a JSON string. * * @return string */ public function calculateFeedByCategory() { $sql = <<prefix}category AS c, {$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() { $sql = <<prefix}category AS c, {$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() { $sql = <<prefix}category AS c, {$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() { $sql = <<prefix}feed AS f, {$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); } /** * Gets days ready for graphs * * @return string */ public function getDays() { return $this->convertToTranslatedJson(array( 'sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat', )); } /** * Gets months ready for graphs * * @return string */ public function getMonths() { return $this->convertToTranslatedJson(array( 'jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec', )); } /** * Translates array content and encode it as JSON * * @param array $data * @return string */ private function convertToTranslatedJson($data = array()) { $translated = array_map(function ($a) { return Minz_Translate::t($a); }, $data); return json_encode($translated); } }