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人事系统开发
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<?php
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declare(strict_types=1);
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namespace MRBS\Calendar;
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use MRBS\DateTime;
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use function MRBS\datetime_format;
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use function MRBS\day_past_midnight;
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use function MRBS\escape_html;
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use function MRBS\format_iso_date;
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use function MRBS\get_vocab;
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use function MRBS\is_hidden_day;
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use function MRBS\multisite;
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abstract class Calendar
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{
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protected $day;
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protected $month;
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protected $year;
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protected $area_id;
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protected $room_id;
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protected $view;
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protected $view_all;
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protected $start_date;
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protected $end_date;
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protected $map;
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public function __construct(string $view, int $view_all, int $year, int $month, int $day, int $area_id, int $room_id)
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{
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$this->view = $view;
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$this->view_all = $view_all;
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$this->year = $year;
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$this->month = $month;
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$this->day = $day;
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$this->area_id = $area_id;
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$this->room_id = $room_id;
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}
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abstract public function innerHTML() : string;
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// Get a series of flex divs for a room in a day index interval for the map.
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protected function flexDivsHTML(int $room_id, int $start_day_index, int $end_day_index) : string
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{
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global $resolution;
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$html = '';
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// Get the time slots
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$n_time_slots = self::getNTimeSlots();
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$morning_slot_seconds = self::morningSlotsSeconds();
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$evening_slot_seconds = $morning_slot_seconds + (($n_time_slots - 1) * $resolution);
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// Loop through the days in the interval
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for ($i=$start_day_index; $i<=$end_day_index; $i++)
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{
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$s = $morning_slot_seconds;
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// Loop through the slots in the day
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while ($s <= $evening_slot_seconds)
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{
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// Get the entry for this slot
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$this_slot = $this->map->slot($room_id, $i, $s);
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// Start a FlexDiv if we haven't got one
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if (!isset($flex_div))
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{
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$flex_div = new FlexDiv($this_slot[0]['id'] ?? null);
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// If it's a booking, set the properties
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if (!empty($this_slot))
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{
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$this_entry = $this_slot[0];
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$flex_div->setClasses($this->getEntryClasses($this_entry));
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$flex_div->setLength($this_entry['n_slots']);
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$flex_div->setName($this_entry['name']);
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}
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// Work out how many slots to advance
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$n = $flex_div->getLength();
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}
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// Otherwise, look to see whether this is a continuation of the stored entry,
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// or else a change, in which case output the stored entry and reset.
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else
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{
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// Another free slot
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if (empty($this_slot) && !isset($flex_div->id))
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{
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$n = 1;
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$flex_div->addLength($n);
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}
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// A continuation of an existing booking
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elseif (!empty($this_slot) && isset($flex_div->id) && ($flex_div->id == $this_slot[0]['id']))
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{
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$n = $this_slot[0]['n_slots'];
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$flex_div->addLength($n);
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}
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// There's been a change. Output the FlexDiv and reset
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else
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{
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$html .= $flex_div->html();
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unset($flex_div);
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$n = 0;
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}
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}
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$s = $s + ($n * $resolution); // Advance n slots
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}
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}
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// Output the final FlexDiv
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if (isset($flex_div))
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{
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$html .= $flex_div->html();
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}
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return $html;
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}
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protected function getDate(int $t) : string
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{
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global $datetime_formats;
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if (in_array($this->view, ['month', 'year']))
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{
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return datetime_format(['pattern' => 'd'], $t);
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}
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else
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{
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return datetime_format($datetime_formats['view_week_day_month'], $t);
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}
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}
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private function getDay(int $t) : string
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{
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// In the month view use a pattern which will tend to give a narrower result, to save space.
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$pattern = ($this->view == 'month') ? 'cccccc' : 'ccc';
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return datetime_format(['pattern' => $pattern], $t);
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}
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public static function morningSlotsSeconds() : int
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{
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global $morningstarts, $morningstarts_minutes;
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return (($morningstarts * 60) + $morningstarts_minutes) * 60;
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}
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// Gets the number of time slots between the beginning and end of the booking
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// day. (This is the normal number on a non-DST transition day)
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public static function getNTimeSlots() : int
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{
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global $eveningends, $eveningends_minutes;
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global $resolution;
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$start_first = self::morningSlotsSeconds(); // seconds
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$end_last = ((($eveningends * 60) + $eveningends_minutes) * 60) + $resolution; // seconds
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$end_last = $end_last % SECONDS_PER_DAY;
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if (day_past_midnight())
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{
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$end_last += SECONDS_PER_DAY;
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}
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// Force the result to be an int. It normally will be, but might not be if, say,
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// $force_resolution is set.
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return intval(($end_last - $start_first)/$resolution);
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}
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// If we're not using periods, construct an array describing the slots to pass to the JavaScript so that
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// it can calculate where the timeline should be drawn. (If we are using periods then the timeline is
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// meaningless because we don't know when periods begin and end.)
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// $month, $day, $year the start of the interval
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// $n_days the number of days in the interval
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// $day_cells if the columns/rows represent a full day (as in the week/month all rooms views)
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protected function getSlots(int $month, int $day, int $year, int $n_days=1, bool $day_cells=false) : ?array
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{
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global $enable_periods, $morningstarts, $morningstarts_minutes, $resolution;
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if ($enable_periods)
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{
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return null;
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}
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$slots = array();
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$n_time_slots = self::getNTimeSlots();
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$morning_slot_seconds = self::morningSlotsSeconds();
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$evening_slot_seconds = $morning_slot_seconds + (($n_time_slots - 1) * $resolution);
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for ($j = 0; $j < $n_days; $j++)
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{
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$d = $day + $j;
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// If there's more than one day in the interval then don't include the hidden days in the array, because
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// they don't appear in the DOM. If there's only one day then we've managed to display the hidden day.
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if (($n_days > 1) &&
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is_hidden_day(intval(date('w', mktime($morningstarts, $morningstarts_minutes, 0, $month, $d, $year)))))
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{
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continue;
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}
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$this_day = array();
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if ($day_cells)
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{
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$this_day[] = mktime(0, 0, $morning_slot_seconds, $month, $d, $year);
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// Need to do mktime() again for the end of the slot as we can't assume that the end slot is $resolution
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// seconds after the start of the slot because of the possibility of DST transitions
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$this_day[] = mktime(0, 0, $evening_slot_seconds + $resolution, $month, $d, $year);
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}
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else
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{
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for ($s = $morning_slot_seconds;
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$s <= $evening_slot_seconds;
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$s += $resolution)
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{
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$this_slot = array();
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$this_slot[] = mktime(0, 0, $s, $month, $d, $year);
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// Need to do mktime() again for the end of the slot as we can't assume that the end slot is $resolution
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// seconds after the start of the slot because of the possibility of DST transitions
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$this_slot[] = mktime(0, 0, $s + $resolution, $month, $d, $year);
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$this_day[] = $this_slot;
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}
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}
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$slots[] = $this_day;
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}
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if ($day_cells)
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{
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$slots = array($slots);
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}
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return $slots;
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}
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// Get classes for weekends, holidays, etc.
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protected function getDateClasses(DateTime $date) : array
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{
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$result = [];
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if ($date->isWeekend())
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{
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$result[] = 'weekend';
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}
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if ($date->isHoliday())
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{
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$result[] = 'holiday';
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}
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if ($date->isToday())
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{
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$result[] = 'today';
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}
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return $result;
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}
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// Returns an array of classes to be used for the entry
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protected function getEntryClasses(array $entry) : array
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{
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global $approval_enabled, $confirmation_enabled;
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$classes = array($entry['type']);
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if ($entry['private'])
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{
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$classes[] = 'private';
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}
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if ($approval_enabled && ($entry['awaiting_approval']))
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{
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$classes[] = 'awaiting_approval';
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}
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if ($confirmation_enabled && ($entry['tentative']))
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{
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$classes[] = 'tentative';
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}
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if (isset($entry['repeat_id']))
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{
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$classes[] = 'series';
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}
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if ($entry['allow_registration'])
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{
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if ($entry['registrant_limit_enabled'] &&
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($entry['n_registered'] >= $entry['registrant_limit']))
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{
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$classes[] = 'full';
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}
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else
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{
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$classes[] = 'spaces';
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}
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}
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return $classes;
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}
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protected function multidayHeaderRowsHTML(int $day_start_interval, int $n_days, int $start_dow, string $label='') : array
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{
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global $row_labels_both_sides;
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$result = array();
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$n_rows = 2;
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// Loop through twice: one row for the days of the week, the next for the date.
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for ($i = 0; $i < $n_rows; $i++)
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{
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$result[$i] = "<tr>\n";
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// Could use a rowspan here, but we'd need to make sure the sticky cells work
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// and change the JavaScript in refresh.js.php
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$text = ($i == 0) ? '' : $label;
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$first_last_html = '<th class="first_last">' . escape_html($text) . "</th>\n";
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$result[$i] .= $first_last_html;
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$vars = [
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'view' => 'day',
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'view_all' => $this->view_all,
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'area' => $this->area_id,
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'room' => $this->room_id
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];
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// the standard view, with days along the top and rooms down the side
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for ($j = 0; $j < $n_days; $j++)
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{
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if (is_hidden_day(($j + $start_dow) % DAYS_PER_WEEK))
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{
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continue;
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}
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$vars['page_date'] = format_iso_date($this->year, $this->month, $day_start_interval + $j);
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$link = "index.php?" . http_build_query($vars, '', '&');
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$link = multisite($link);
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$t = mktime(12, 0, 0, $this->month, $day_start_interval + $j, $this->year);
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$text = ($i === 0) ? $this->getDay($t) : $this->getDate($t);
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$date = new DateTime();
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$date->setTimestamp($t);
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$classes = $this->getDateClasses($date);
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$result[$i] .= '<th' .
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// Add the date for JavaScript. Only really necessary for the first row in
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// the week view when not viewing all the rooms, but just add it always.
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' data-date="' . escape_html($date->getISODate()) . '"' .
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((!empty($classes)) ? ' class="' . implode(' ', $classes) . '"' : '') .
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'><a href="' . escape_html($link) . '">' . escape_html($text) . "</a></th>\n";
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}
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// next line to display rooms on right side
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if ($row_labels_both_sides)
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{
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$result[$i] .= $first_last_html;
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}
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$result[$i] .= "</tr>\n";
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}
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return $result;
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}
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// Draw a room cell to be used in the header rows/columns of the calendar views
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// $room contains the room details
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// $vars an associative array containing the variables to be used to build the link
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protected function roomCellHTML(array $room, array $vars) : string
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{
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$link = 'index.php?' . http_build_query($vars, '', '&');
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$link = multisite($link);
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switch ($vars['view'])
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{
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case 'day':
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$tag = 'viewday';
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break;
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case 'week':
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$tag = 'viewweek';
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break;
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case 'month':
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$tag = 'viewmonth';
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break;
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case 'year':
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$tag = 'viewyear';
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break;
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default:
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trigger_error("Unknown view '" . $vars['view'] . "'", E_USER_NOTICE);
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$tag = 'viewweek';
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break;
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}
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$title = get_vocab($tag) . "\n\n" . $room['description'];
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$html = '';
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$html .= '<th data-room="' . escape_html($room['id']) . '">';
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$html .= '<a href="' . escape_html($link) . '"' .
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' title = "' . escape_html($title) . '">';
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$html .= escape_html($room['room_name']);
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// Put the capacity in a span to give flexibility in styling
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$html .= '<span class="capacity';
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if ($room['capacity'] == 0)
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{
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$html .= ' zero';
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}
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$html .= '">' . escape_html($room['capacity']);
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$html .= '</span>';
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$html .= '</a>';
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$html .= "</th>\n";
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return $html;
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}
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}
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