285 lines
11 KiB
PHP
285 lines
11 KiB
PHP
<?php
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namespace Engelsystem;
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class ShiftCalendarRenderer {
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/**
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* 15m * 60s/m = 900s
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*/
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const MINUTES_PER_ROW = 900;
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const EMPTY_CELL = '<td class="empty"></td>';
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private $shifts;
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private $shiftsFilter;
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public function __construct($shifts, ShiftsFilter $shiftsFilter) {
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$this->shifts = $shifts;
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$this->shiftsFilter = $shiftsFilter;
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}
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public function render() {
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$rooms = $this->rooms();
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$first_block_start_time = $this->calcFirstBlockStartTime();
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$blocks_per_slot = $this->calcBlocksPerSlot($first_block_start_time);
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$slotSizes = $this->calcSlotSizes($rooms, $first_block_start_time, $blocks_per_slot);
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return $this->renderTable($rooms, $slotSizes, $first_block_start_time, $blocks_per_slot);
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}
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private function renderTableHead($rooms, $slotSizes) {
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$shifts_table = '<thead><tr><th>' . _("Time") . '</th>';
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foreach ($rooms as $room_id => $room_name) {
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$colspan = $slotSizes[$room_id];
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$shifts_table .= "<th" . (($colspan > 1) ? ' colspan="' . $colspan . '"' : '') . ">" . Room_name_render([
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'RID' => $room_id,
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'Name' => $room_name
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]) . "</th>\n";
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}
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$shifts_table .= "</tr></thead>";
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return $shifts_table;
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}
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private function initTableBody($slotSizes, $first_block_start_time, $blocks_per_slot) {
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// Slot sizes plus 1 for the time
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$columns_needed = array_sum($slotSizes) + 1;
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$table_line = array_fill(0, $columns_needed, ShiftCalendarRenderer::EMPTY_CELL);
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$table = array_fill(0, $blocks_per_slot, $table_line);
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for ($block = 0; $block < $blocks_per_slot; $block ++) {
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$thistime = $first_block_start_time + ($block * ShiftCalendarRenderer::MINUTES_PER_ROW);
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if ($thistime % (24 * 60 * 60) == 23 * 60 * 60 && $this->shiftsFilter->getEndTime() - $this->shiftsFilter->getStartTime() > 24 * 60 * 60) {
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$table[$block][0] = '<th class="row-day">' . date('Y-m-d<b\r />H:i', $thistime) . '</th>';
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} elseif ($thistime % (60 * 60) == 0) {
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$table[$block][0] = '<th class="row-hour">' . date('H:i', $thistime) . '</th>';
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} else {
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$table[$block][0] = '<th class="empty"></th>';
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}
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}
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return $table;
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}
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private function calcRoomSlots($rooms, $slotSizes) {
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$result = [];
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$slot = 1; // 1 for the time
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foreach (array_keys($rooms) as $room_id) {
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$result[$room_id] = $slot;
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$slot += $slotSizes[$room_id];
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}
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return $result;
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}
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private function collides() {
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// TODO
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return false;
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}
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private function renderShift($shift) {
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global $privileges;
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$collides = $this->collides();
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$is_free = false;
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$shifts_row = '';
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$header_buttons = "";
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if (in_array('admin_shifts', $privileges)) {
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$header_buttons = '<div class="pull-right">' . table_buttons([
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button(page_link_to('user_shifts') . '&edit_shift=' . $shift['SID'], glyph('edit'), 'btn-xs'),
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button(page_link_to('user_shifts') . '&delete_shift=' . $shift['SID'], glyph('trash'), 'btn-xs')
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]) . '</div>';
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}
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$info_text = "";
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if ($shift['title'] != '') {
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$info_text = glyph('info-sign') . $shift['title'] . '<br>';
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}
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$angeltypes = NeededAngelTypes_by_shift($shift['SID']);
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foreach ($angeltypes as $angeltype) {
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$entry_list = [];
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$freeloader = 0;
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foreach ($angeltype['shift_entries'] as $entry) {
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$style = '';
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if ($entry['freeloaded']) {
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$freeloader ++;
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$style = " text-decoration: line-through;";
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}
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$entry_list[] = "<span style=\"$style\">" . User_Nick_render(User($entry['UID'])) . "</span>";
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}
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if ($angeltype['count'] - count($angeltype['shift_entries']) - $freeloader > 0) {
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$inner_text = sprintf(ngettext("%d helper needed", "%d helpers needed", $angeltype['count'] - count($angeltype['shift_entries'])), $angeltype['count'] - count($angeltype['shift_entries']));
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// is the shift still running or alternatively is the user shift admin?
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$user_may_join_shift = true;
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// you cannot join if user alread joined a parallel or this shift
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$user_may_join_shift &= ! $collides;
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// you cannot join if user is not of this angel type
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$user_may_join_shift &= isset($angeltype['user_id']);
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// you cannot join if you are not confirmed
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if ($angeltype['restricted'] == 1 && isset($angeltype['user_id'])) {
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$user_may_join_shift &= isset($angeltype['confirm_user_id']);
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}
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// you can only join if the shift is in future or running
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$user_may_join_shift &= time() < $shift['start'];
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// User shift admins may join anybody in every shift
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$user_may_join_shift |= in_array('user_shifts_admin', $privileges);
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if ($user_may_join_shift) {
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$entry_list[] = '<a href="' . page_link_to('user_shifts') . '&shift_id=' . $shift['SID'] . '&type_id=' . $angeltype['id'] . '">' . $inner_text . '</a> ' . button(page_link_to('user_shifts') . '&shift_id=' . $shift['SID'] . '&type_id=' . $angeltype['id'], _('Sign up'), 'btn-xs btn-primary');
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} else {
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if (time() > $shift['start']) {
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$entry_list[] = $inner_text . ' (' . _('ended') . ')';
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} elseif ($angeltype['restricted'] == 1 && isset($angeltype['user_id']) && ! isset($angeltype['confirm_user_id'])) {
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$entry_list[] = $inner_text . glyph('lock');
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} elseif ($angeltype['restricted'] == 1) {
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$entry_list[] = $inner_text;
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} elseif ($collides) {
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$entry_list[] = $inner_text;
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} else {
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$entry_list[] = $inner_text . '<br />' . button(page_link_to('user_angeltypes') . '&action=add&angeltype_id=' . $angeltype['id'], sprintf(_('Become %s'), $angeltype['name']), 'btn-xs');
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}
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}
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unset($inner_text);
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$is_free = true;
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}
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$shifts_row .= '<li class="list-group-item">';
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$shifts_row .= '<strong>' . AngelType_name_render($angeltype) . ':</strong> ';
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$shifts_row .= join(", ", $entry_list);
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$shifts_row .= '</li>';
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}
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if (in_array('user_shifts_admin', $privileges)) {
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$shifts_row .= '<li class="list-group-item">' . button(page_link_to('user_shifts') . '&shift_id=' . $shift['SID'] . '&type_id=' . $angeltype['id'], _("Add more angels"), 'btn-xs') . '</li>';
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}
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if ($shifts_row != '') {
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$shifts_row = '<ul class="list-group">' . $shifts_row . '</ul>';
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}
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if (isset($shift['own']) && $shift['own'] && ! in_array('user_shifts_admin', $privileges)) {
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$class = 'primary';
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} elseif ($collides && ! in_array('user_shifts_admin', $privileges)) {
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$class = 'default';
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} elseif ($is_free) {
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$class = 'danger';
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} else {
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$class = 'success';
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}
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$blocks = ceil(($shift["end"] - $shift["start"]) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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if ($blocks < 1) {
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$blocks = 1;
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}
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$shift_length = ($shift["end"] - $shift["start"]) / (60 * 60);
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$shift_heading = date('H:i', $shift['start']) . ' ‐ ' . date('H:i', $shift['end']) . ' — ' . ShiftType($shift['shifttype_id'])['name'];
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return [
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$blocks,
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'<td class="shift" rowspan="' . $blocks . '">' . div('panel panel-' . $class . '" style="min-height: ' . ($shift_length * 100) . 'px"', [
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div('panel-heading', [
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'<a href="' . shift_link($shift) . '">' . $shift_heading . '</a>',
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$header_buttons
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]),
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div('panel-body', [
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$info_text,
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Room_name_render([
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'RID' => $shift['RID'],
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'Name' => $shift['room_name']
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])
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]),
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$shifts_row,
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div('shift-spacer')
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]) . '</td>'
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];
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}
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private function renderTableBody($rooms, $slotSizes, $first_block_start_time, $blocks_per_slot) {
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$table = $this->initTableBody($slotSizes, $first_block_start_time, $blocks_per_slot);
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$room_slots = $this->calcRoomSlots($rooms, $slotSizes);
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foreach ($this->shifts as $shift) {
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list($blocks, $shift_content) = $this->renderShift($shift);
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$start_block = floor(($shift['start'] - $first_block_start_time) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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$slot = $room_slots[$shift['RID']];
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while ($table[$start_block][$slot] != ShiftCalendarRenderer::EMPTY_CELL) {
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$slot ++;
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}
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$table[$start_block][$slot] = $shift_content;
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for ($block = 1; $block < $blocks; $block ++) {
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$table[$start_block + $block][$slot] = '';
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}
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}
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$result = '<tbody>';
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foreach ($table as $table_line) {
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$result .= '<tr>' . join('', $table_line) . '</tr>';
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}
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$result .= '</tbody>';
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return $result;
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}
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private function renderTable($rooms, $slotSizes, $first_block_start_time, $blocks_per_slot) {
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return div('shifts-table', [
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'<table id="shifts" class="table scrollable">',
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$this->renderTableHead($rooms, $slotSizes),
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$this->renderTableBody($rooms, $slotSizes, $first_block_start_time, $blocks_per_slot),
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'</table>'
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]);
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}
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/**
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* Calculates the slots for each room that appears in the shifts
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*/
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private function rooms() {
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$rooms = [];
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foreach ($this->shifts as $shift) {
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if (! isset($rooms[$shift['RID']])) {
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$rooms[$shift['RID']] = $shift['room_name'];
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}
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}
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return $rooms;
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}
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private function calcFirstBlockStartTime() {
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$start_time = $this->shiftsFilter->getEndTime();
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foreach ($this->shifts as $shift) {
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if ($shift['start'] < $start_time) {
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$start_time = $shift['start'];
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}
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}
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return ShiftCalendarRenderer::MINUTES_PER_ROW * floor(($start_time - 60 * 60) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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}
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private function calcBlocksPerSlot($first_block_start_time) {
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return ceil(($this->shiftsFilter->getEndTime() - $first_block_start_time) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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}
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private function calcSlotSizes($rooms, $first_block_start_time, $blocks_per_slot) {
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$parallel_blocks = [];
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// initialize $block array
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foreach (array_keys($rooms) as $room_id) {
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$parallel_blocks[$room_id] = array_fill(0, $blocks_per_slot, 0);
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}
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// calculate number of parallel shifts in each timeslot for each room
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foreach ($this->shifts as $shift) {
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$room_id = $shift["RID"];
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$shift_blocks = ($shift["end"] - $shift["start"]) / ShiftCalendarRenderer::MINUTES_PER_ROW;
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$firstblock = floor(($shift["start"] - $first_block_start_time) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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for ($block = $firstblock; $block < $shift_blocks + $firstblock && $block < $blocks_per_slot; $block ++) {
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$parallel_blocks[$room_id][$block] ++;
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}
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}
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return array_map('max', $parallel_blocks);
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}
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}
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?>
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