321 lines
8.8 KiB
PHP
321 lines
8.8 KiB
PHP
<?php
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namespace Engelsystem;
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class ShiftCalendarRenderer
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{
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/**
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* 15m * 60s/m = 900s
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*/
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const SECONDS_PER_ROW = 900;
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/**
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* Height of a block in pixel.
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* Do not change - corresponds with theme/css
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*/
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const BLOCK_HEIGHT = 30;
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/**
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* Distance between two shifts in pixels
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*/
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const MARGIN = 5;
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/**
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* Seconds added to the start and end time
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*/
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const TIME_MARGIN = 1800;
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/** @var array */
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private $lanes;
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/** @var ShiftsFilter */
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private $shiftsFilter;
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/** @var int */
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private $firstBlockStartTime = 0;
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/** @var int */
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private $lastBlockEndTime = 0;
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/** @var int */
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private $blocksPerSlot = null;
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/** @var array[] */
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private $needed_angeltypes = [];
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/** @var array[] */
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private $shift_entries = [];
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/**
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* ShiftCalendarRenderer constructor.
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*
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* @param array[] $shifts
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* @param array[] $needed_angeltypes
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* @param array[] $shift_entries
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* @param ShiftsFilter $shiftsFilter
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*/
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public function __construct($shifts, $needed_angeltypes, $shift_entries, ShiftsFilter $shiftsFilter)
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{
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$this->shiftsFilter = $shiftsFilter;
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$this->firstBlockStartTime = $this->calcFirstBlockStartTime($shifts);
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$this->lastBlockEndTime = $this->calcLastBlockEndTime($shifts);
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$this->lanes = $this->assignShiftsToLanes($shifts);
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$this->needed_angeltypes = $needed_angeltypes;
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$this->shift_entries = $shift_entries;
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}
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/**
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* Assigns the shifts to different lanes per room if they collide
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*
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* @param array[] $shifts The shifts to assign
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* @return array Returns an array that assigns a room_id to an array of ShiftCalendarLane containing the shifts
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*/
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private function assignShiftsToLanes($shifts)
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{
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// array that assigns a room id to a list of lanes (per room)
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$lanes = [];
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foreach ($shifts as $shift) {
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$room_id = $shift['RID'];
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$header = Room_name_render([
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'RID' => $room_id,
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'Name' => $shift['room_name']
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]);
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if (!isset($lanes[$room_id])) {
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// initialize room with one lane
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$lanes[$room_id] = [
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new ShiftCalendarLane($header, $this->getFirstBlockStartTime(), $this->getBlocksPerSlot())
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];
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}
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// Try to add the shift to the existing lanes for this room
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$shift_added = false;
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foreach ($lanes[$room_id] as $lane) {
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/** @var ShiftCalendarLane $lane */
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if ($lane->shiftFits($shift)) {
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$lane->addShift($shift);
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$shift_added = true;
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break;
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}
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}
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// If all lanes for this room are busy, create a new lane and add shift to it
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if ($shift_added == false) {
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$newLane = new ShiftCalendarLane($header, $this->getFirstBlockStartTime(), $this->getBlocksPerSlot());
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$newLane->addShift($shift);
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$lanes[$room_id][] = $newLane;
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}
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}
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return $lanes;
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}
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/**
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* @return int
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*/
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public function getFirstBlockStartTime()
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{
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return $this->firstBlockStartTime;
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}
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/**
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* @return int
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*/
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public function getLastBlockEndTime()
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{
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return $this->lastBlockEndTime;
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}
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/**
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* @return float
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*/
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public function getBlocksPerSlot()
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{
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if (is_null($this->blocksPerSlot)) {
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$this->blocksPerSlot = $this->calcBlocksPerSlot();
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}
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return $this->blocksPerSlot;
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}
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/**
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* Renders the whole calendar
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*
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* @return string the generated html
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*/
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public function render()
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{
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if (count($this->lanes) == 0) {
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return info(__('No shifts found.'), true);
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}
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return div('shift-calendar table-responsive', [
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$this->renderTimeLane(),
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$this->renderShiftLanes()
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]) . $this->renderLegend();
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}
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/**
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* Renders the lanes containing the shifts
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*
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* @return string
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*/
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private function renderShiftLanes()
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{
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$html = '';
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foreach ($this->lanes as $room_lanes) {
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foreach ($room_lanes as $lane) {
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$html .= $this->renderLane($lane);
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}
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}
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return $html;
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}
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/**
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* Renders a single lane
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*
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* @param ShiftCalendarLane $lane The lane to render
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* @return string
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*/
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private function renderLane(ShiftCalendarLane $lane)
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{
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$shift_renderer = new ShiftCalendarShiftRenderer();
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$html = '';
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$rendered_until = $this->getFirstBlockStartTime();
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foreach ($lane->getShifts() as $shift) {
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while ($rendered_until + ShiftCalendarRenderer::SECONDS_PER_ROW <= $shift['start']) {
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$html .= $this->renderTick($rendered_until);
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$rendered_until += ShiftCalendarRenderer::SECONDS_PER_ROW;
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}
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list ($shift_height, $shift_html) = $shift_renderer->render(
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$shift,
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$this->needed_angeltypes[$shift['SID']],
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$this->shift_entries[$shift['SID']],
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auth()->user()
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);
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$html .= $shift_html;
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$rendered_until += $shift_height * ShiftCalendarRenderer::SECONDS_PER_ROW;
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}
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while ($rendered_until < $this->getLastBlockEndTime()) {
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$html .= $this->renderTick($rendered_until);
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$rendered_until += ShiftCalendarRenderer::SECONDS_PER_ROW;
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}
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return div('lane', [
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div('header', $lane->getHeader()),
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$html
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]);
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}
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/**
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* Renders a tick/block for given time
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*
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* @param int $time unix timestamp
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* @param boolean $label Should time labels be generated?
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* @return string rendered tick html
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*/
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private function renderTick($time, $label = false)
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{
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if ($time % (24 * 60 * 60) == 23 * 60 * 60) {
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if (!$label) {
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return div('tick day');
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}
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return div('tick day', [
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date('m-d<b\r />H:i', $time)
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]);
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} elseif ($time % (60 * 60) == 0) {
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if (!$label) {
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return div('tick hour');
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}
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return div('tick hour', [
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date('m-d<b\r />H:i', $time)
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]);
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}
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return div('tick');
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}
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/**
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* Renders the left time lane including hour/day ticks
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*
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* @return string
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*/
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private function renderTimeLane()
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{
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$time_slot = [
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div('header', [
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__('Time')
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])
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];
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for ($block = 0; $block < $this->getBlocksPerSlot(); $block++) {
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$thistime = $this->getFirstBlockStartTime() + ($block * ShiftCalendarRenderer::SECONDS_PER_ROW);
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$time_slot[] = $this->renderTick($thistime, true);
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}
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return div('lane time', $time_slot);
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}
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/**
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* @param array[] $shifts
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* @return int
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*/
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private function calcFirstBlockStartTime($shifts)
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{
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$start_time = $this->shiftsFilter->getEndTime();
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foreach ($shifts as $shift) {
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if ($shift['start'] < $start_time) {
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$start_time = $shift['start'];
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}
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}
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return ShiftCalendarRenderer::SECONDS_PER_ROW * floor(
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($start_time - ShiftCalendarRenderer::TIME_MARGIN)
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/ ShiftCalendarRenderer::SECONDS_PER_ROW
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);
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}
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/**
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* @param array[] $shifts
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* @return int
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*/
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private function calcLastBlockEndTime($shifts)
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{
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$end_time = $this->shiftsFilter->getStartTime();
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foreach ($shifts as $shift) {
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if ($shift['end'] > $end_time) {
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$end_time = $shift['end'];
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}
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}
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return ShiftCalendarRenderer::SECONDS_PER_ROW * ceil(
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($end_time + ShiftCalendarRenderer::TIME_MARGIN)
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/ ShiftCalendarRenderer::SECONDS_PER_ROW
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);
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}
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/**
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* @return int
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*/
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private function calcBlocksPerSlot()
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{
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return ceil(
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($this->getLastBlockEndTime() - $this->getFirstBlockStartTime())
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/ ShiftCalendarRenderer::SECONDS_PER_ROW
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);
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}
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/**
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* Renders a legend explaining the shift coloring
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*
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* @return string
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*/
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private function renderLegend()
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{
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return div('legend', [
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label(__('Your shift'), 'primary'),
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label(__('Help needed'), 'danger'),
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label(__('Other angeltype needed / collides with my shifts'), 'warning'),
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label(__('Shift is full'), 'success'),
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label(__('Shift running/ended or user not arrived/allowed'), 'default')
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]);
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}
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}
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