Adding upstream version 0.20.0.upstream/0.20.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 246 insertions, 0 deletions

diff --git a/vendor/gipfl/calendar/src/Calendar.php b/vendor/gipfl/calendar/src/Calendar.php
new file mode 100644
index 0000000..e81227c
--- /dev/null
+++ b/vendor/gipfl/calendar/src/Calendar.php
@@ -0,0 +1,246 @@
+<?php
+
+namespace gipfl\Calendar;
+
+use gipfl\Format\LocalTimeFormat;
+use InvalidArgumentException;
+
+class Calendar
+{
+    const FIRST_IS_MONDAY = 1;
+    const FIRST_IS_SUNDAY = 0;
+
+    protected $firstOfWeek;
+
+    protected $weekDays = [];
+
+    protected $shortWeekDays = [];
+
+    protected $timeFormat;
+
+    public function __construct($firstOfWeek = self::FIRST_IS_MONDAY)
+    {
+        $this->timeFormat = new LocalTimeFormat();
+        $this->setFirstOfWeek($firstOfWeek);
+    }
+
+    public function firstOfWeekIsMonday()
+    {
+        return $this->firstOfWeek === self::FIRST_IS_MONDAY;
+    }
+
+    public function firstOfWeekIsSunday()
+    {
+        return $this->firstOfWeek === self::FIRST_IS_SUNDAY;
+    }
+
+    public function setFirstOfWeek($firstOfWeek)
+    {
+        if ($firstOfWeek === self::FIRST_IS_SUNDAY || $firstOfWeek === self::FIRST_IS_MONDAY) {
+            if ($firstOfWeek !== $this->firstOfWeek) {
+                $this->firstOfWeek = $firstOfWeek;
+                $this->prepareWeekDays();
+            }
+
+            return $this;
+        } else {
+            throw new InvalidArgumentException(
+                "First day of week has to be either 0 or 1, got '$firstOfWeek'"
+            );
+        }
+    }
+
+    protected function prepareWeekDays()
+    {
+        if ($this->firstOfWeekIsSunday()) {
+            $start = '2019-02-03';
+        } else {
+            $start = '2019-02-04';
+        }
+
+        for ($i = 0; $i < 7; $i++) {
+            $day = strtotime("$start +{$i}days");
+            $this->weekDays[] = $this->timeFormat->getWeekdayName($day);
+            $this->shortWeekDays[] = $this->timeFormat->getShortWeekdayName($day);
+        }
+    }
+
+    public function listWeekDayNames()
+    {
+        return $this->weekDays;
+    }
+
+    public function listShortWeekDayNames()
+    {
+        return $this->shortWeekDays;
+    }
+
+    /**
+     * Either 'N' or 'w', depending on the first day of week
+     *
+     * @return string
+     */
+    protected function getDowFormat()
+    {
+        if ($this->firstOfWeekIsMonday()) {
+            // N -> 1-7 (Mo-Su)
+            return 'N';
+        } else {
+            // w -> 0-6 (Su-Sa)
+            return 'w';
+        }
+    }
+
+    /**
+     * @param $time
+     * @return int
+     */
+    protected function getWeekDay($time)
+    {
+        return (int) date($this->getDowFormat(), $time);
+    }
+
+    /**
+     * @param int $now
+     * @return array
+     */
+    public function getDaysForWeek($now)
+    {
+        $formatDow = $this->getDowFormat();
+        $today = date('Y-m-d', $now);
+        $day = $this->getFirstDayOfWeek($today);
+        $weekday = (int) date($formatDow, strtotime($day));
+        $week = [$weekday => $day];
+        for ($i = 1; $i < 7; $i++) {
+            $day = date('Y-m-d', strtotime("$day +1day"));
+            $weekday = (int) date($formatDow, strtotime($day));
+            $week[$weekday] = $day;
+        }
+
+        return $week;
+    }
+
+    /**
+     * @param int $now
+     * @return array
+     */
+    public function getWorkingDaysForWeek($now)
+    {
+        $formatDow = $this->getDowFormat();
+        $today = date('Y-m-d', $now);
+        $day = $this->getFirstDayOfWeek($today, self::FIRST_IS_MONDAY);
+        $weekday = (int) date($formatDow, strtotime($day));
+        $week = [$weekday => $day];
+        for ($i = 1; $i < 5; $i++) {
+            $day = date('Y-m-d', strtotime("$day +1day"));
+            $weekday = (int) date($formatDow, strtotime($day));
+            $week[$weekday] = $day;
+        }
+
+        return $week;
+    }
+
+    /**
+     * @param string $day
+     * @param int $firstOfWeek
+     * @return string
+     */
+    public function getFirstDayOfWeek($day, $firstOfWeek = null)
+    {
+        if ($firstOfWeek === null) {
+            $firstOfWeek = $this->firstOfWeek;
+        }
+        $dow = $this->getWeekDay(strtotime($day));
+        if ($dow > $firstOfWeek) {
+            $sub = $dow - $firstOfWeek;
+            return date('Y-m-d', strtotime("$day -{$sub}day"));
+        } else {
+            return $day;
+        }
+    }
+
+    /**
+     * @param string $day
+     * @param int $firstOfWeek
+     * @return string
+     */
+    protected function getLastDayOfWeek($day, $firstOfWeek = null)
+    {
+        if ($firstOfWeek === null) {
+            $firstOfWeek = $this->firstOfWeek;
+        }
+        $dow = $this->getWeekDay(strtotime($day));
+        $lastOfWeek = $firstOfWeek + 6;
+        if ($dow < $lastOfWeek) {
+            $add = $lastOfWeek - $dow;
+            return static::expressionToDate(static::incDay($day, $add));
+        } else {
+            return $day;
+        }
+    }
+
+    public function getWeekOfTheYear($day)
+    {
+        $time = strtotime($day);
+        // 0 = Sunday
+        if ($this->firstOfWeekIsSunday() && $this->getWeekDay($time) === 0) {
+            if (substr($time, 4, 6) === '-12-31') {
+                return (int) date('W', strtotime(static::decDay($day)));
+            } else {
+                return (int) date('W', strtotime(static::incDay($day)));
+            }
+        } else {
+            return (int) date('W', $time);
+        }
+    }
+
+    /**
+     * @param int $now
+     * @return array
+     */
+    public function getWeeksForMonth($now)
+    {
+        $first = date('Y-m-01', $now);
+        $last = date('Y-m-d', strtotime("$first +1month -1day"));
+
+        $formatDow = $this->getDowFormat();
+        $end = $this->getLastDayOfWeek($last);
+        $day = $this->getFirstDayOfWeek($first);
+        $formerWeekOfTheYear = 0;
+        $weeks = [];
+        while ($day <= $end) {
+            $weekOfTheYear = $this->getWeekOfTheYear($day);
+            if ($weekOfTheYear !== $formerWeekOfTheYear) {
+                $weeks[$weekOfTheYear] = [];
+                $week = & $weeks[$weekOfTheYear];
+            }
+
+            $weekday = (int) date($formatDow, strtotime($day));
+            $week[$weekday] = $day;
+            $day = date('Y-m-d', strtotime("$day +1day"));
+            $formerWeekOfTheYear = $weekOfTheYear;
+        }
+
+        return $weeks;
+    }
+
+    protected static function expressionToDate($expression)
+    {
+        return date('Y-m-d', strtotime($expression));
+    }
+
+    /**
+     * @param string $day
+     * @param int $increment days to add
+     * @return string
+     */
+    protected static function incDay($day, $increment = 1)
+    {
+        return sprintf('%s +%dday', $day, $increment);
+    }
+
+    protected static function decDay($day, $decrement = 1)
+    {
+        return sprintf('%s -%dday', $day, $decrement);
+    }
+}