add piwik installation

www/analytics/core/Period/Week.php

@@ -0,0 +1,102 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Period;
+
+
+use Piwik\Period;
+use Piwik\Piwik;
+
+/**
+ */
+class Week extends Period
+{
+    protected $label = 'week';
+
+    /**
+     * Returns the current period as a localized short string
+     *
+     * @return string
+     */
+    public function getLocalizedShortString()
+    {
+        //"30 Dec - 6 Jan 09"
+        $dateStart = $this->getDateStart();
+        $dateEnd = $this->getDateEnd();
+
+        $string = Piwik::translate('CoreHome_ShortWeekFormat');
+        $string = self::getTranslatedRange($string, $dateStart, $dateEnd);
+        return $string;
+    }
+
+    /**
+     * Returns the current period as a localized long string
+     *
+     * @return string
+     */
+    public function getLocalizedLongString()
+    {
+        $format = Piwik::translate('CoreHome_LongWeekFormat');
+        $string = self::getTranslatedRange($format, $this->getDateStart(), $this->getDateEnd());
+        return Piwik::translate('CoreHome_PeriodWeek') . " " . $string;
+    }
+
+    /**
+     * @param string $format
+     * @param \Piwik\Date $dateStart
+     * @param \Piwik\Date $dateEnd
+     *
+     * @return mixed
+     */
+    static protected function getTranslatedRange($format, $dateStart, $dateEnd)
+    {
+        $string = str_replace('From%', '%', $format);
+        $string = $dateStart->getLocalized($string);
+        $string = str_replace('To%', '%', $string);
+        $string = $dateEnd->getLocalized($string);
+        return $string;
+    }
+
+    /**
+     * Returns the current period as a string
+     *
+     * @return string
+     */
+    public function getPrettyString()
+    {
+        $out = Piwik::translate('General_DateRangeFromTo',
+            array($this->getDateStart()->toString(),
+                  $this->getDateEnd()->toString())
+        );
+        return $out;
+    }
+
+    /**
+     * Generates the subperiods - one for each day in the week
+     */
+    protected function generate()
+    {
+        if ($this->subperiodsProcessed) {
+            return;
+        }
+        parent::generate();
+        $date = $this->date;
+
+        if ($date->toString('N') > 1) {
+            $date = $date->subDay($date->toString('N') - 1);
+        }
+
+        $startWeek = $date;
+
+        $currentDay = clone $startWeek;
+        while ($currentDay->compareWeek($startWeek) == 0) {
+            $this->addSubperiod(new Day($currentDay));
+            $currentDay = $currentDay->addDay(1);
+        }
+    }
+}