From ccb56bcbf3ef69228ae4147a76cf3059f519bbf3 Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre@alapetite.fr>
Date: Sun, 11 Sep 2016 11:24:32 +0200
Subject: Simplify SQL in statistics

Reduce the use of product-specific date functions. Improve performances.
Remove redundant functions.
---
 app/Models/StatsDAOSQLite.php | 55 -------------------------------------------
 1 file changed, 55 deletions(-)

(limited to 'app/Models/StatsDAOSQLite.php')

diff --git a/app/Models/StatsDAOSQLite.php b/app/Models/StatsDAOSQLite.php
index 9bfe8b20a..e09d18c77 100644
--- a/app/Models/StatsDAOSQLite.php
+++ b/app/Models/StatsDAOSQLite.php
@@ -2,61 +2,6 @@
 
 class FreshRSS_StatsDAOSQLite extends FreshRSS_StatsDAO {
 
-	/**
-	 * Calculates entry count per day on a 30 days period.
-	 * Returns the result as a JSON object.
-	 *
-	 * @return JSON object
-	 */
-	public function calculateEntryCount() {
-		$count = $this->initEntryCountArray();
-		$period = parent::ENTRY_COUNT_PERIOD;
-
-		// Get stats per day for the last 30 days
-		$sql = <<<SQL
-SELECT round(julianday(e.date, 'unixepoch') - julianday('now')) AS day,
-COUNT(1) AS count
-FROM {$this->prefix}entry AS e
-WHERE strftime('%Y%m%d', e.date, 'unixepoch')
-	BETWEEN strftime('%Y%m%d', 'now', '-{$period} days')
-	AND strftime('%Y%m%d', 'now', '-1 day')
-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[(int) $value['day']] = (int) $value['count'];
-		}
-
-		return $this->convertToSerie($count);
-	}
-
-	/**
-	 * Calculates entry average per day on a 30 days period.
-	 *
-	 * @return integer
-	 */
-	public function calculateEntryAverage() {
-		$period = self::ENTRY_COUNT_PERIOD;
-
-		// Get stats per day for the last 30 days
-		$sql = <<<SQL
-SELECT COUNT(1) / {$period} AS average
-FROM {$this->prefix}entry AS e
-WHERE strftime('%Y%m%d', e.date, 'unixepoch')
-	BETWEEN strftime('%Y%m%d', 'now', '-{$period} days')
-	AND strftime('%Y%m%d', 'now', '-1 day')
-SQL;
-		$stm = $this->bd->prepare($sql);
-		$stm->execute();
-		$res = $stm->fetch(PDO::FETCH_NAMED);
-
-		return round($res['average'], 2);
-	}
-
 	protected function calculateEntryRepartitionPerFeedPerPeriod($period, $feed = null) {
 		if ($feed) {
 			$restrict = "WHERE e.id_feed = {$feed}";
-- 
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