From c535ce5e2f78f5223662c97543f718334abf2a35 Mon Sep 17 00:00:00 2001
From: Christian Hofmaier
Date: Tue, 8 Sep 2020 20:56:19 +0200
Subject: [locations] Migrate openingtimes from infoscreen to locations module
 - move openingtimes from infoscreen db to locations db - read-only
 openingtimes in infoscreen

---
 modules-available/locations/pages/details.inc.php | 177 ++++++++++++++++++++++
 1 file changed, 177 insertions(+)

(limited to 'modules-available/locations/pages')

diff --git a/modules-available/locations/pages/details.inc.php b/modules-available/locations/pages/details.inc.php
index 81b58456..a55460cf 100644
--- a/modules-available/locations/pages/details.inc.php
+++ b/modules-available/locations/pages/details.inc.php
@@ -8,6 +8,9 @@ class SubPage
 		if ($action === 'updatelocation') {
 			self::updateLocation();
 			return true;
+		} else if ($action === 'updateOpeningtimes') {
+			self::updateOpeningTimes();
+			return true;
 		}
 		return false;
 	}
@@ -22,10 +25,75 @@ class SubPage
 		if ($action === 'showlocation') {
 			self::ajaxShowLocation();
 			return true;
+		} elseif ($action === 'getOpeningtimes') {
+			$id = Request::any('locid', 0, 'int');
+			self::ajaxOpeningTimes($id);
+			return true;
 		}
 		return false;
 	}
 
+	private static function updateOpeningTimes() {
+		$openingTimes = Request::post('openingtimes', '', 'string');
+		$locationid = Request::post('locationid', false, 'int');
+
+		User::assertPermission('location.edit', $locationid);
+
+		// Construct opening-times for database
+		if ($openingTimes !== '') {
+			$openingTimes = json_decode($openingTimes, true);
+			if (!is_array($openingTimes)) {
+				$openingTimes = '';
+			} else {
+				$mangled = array();
+				foreach (array_keys($openingTimes) as $key) {
+					$entry = $openingTimes[$key];
+					if (!isset($entry['days']) || !is_array($entry['days']) || empty($entry['days'])) {
+						Message::addError('ignored-line-no-days');
+						continue;
+					}
+					$start = self::getTime($entry['openingtime']);
+					$end = self::getTime($entry['closingtime']);
+					if ($start === false) {
+						Message::addError('ignored-invalid-start', $entry['openingtime']);
+						continue;
+					}
+					if ($end === false) {
+						Message::addError('ignored-invalid-end', $entry['closingtime']);
+						continue;
+					}
+					if ($end <= $start) {
+						Message::addError('ignored-invalid-range', $entry['openingtime'], $entry['closingtime']);
+						continue;
+					}
+					unset($entry['tag']);
+					$mangled[] = $entry;
+				}
+				if (empty($mangled)) {
+					$openingTimes = null;
+				} else {
+					$openingTimes = json_encode($mangled);
+				}
+			}
+		}
+		// Check if opening-times changed
+		// $res = Database::queryFirst('SELECT openingtime FROM location WHERE locationid = :locationid', compact('locationid'));
+		// $otChanged = $res === false || $res['openingtime'] !== $openingTimes;
+
+		Database::exec('UPDATE location SET openingtime = :openingtime WHERE locationid = :locationid',
+			array('locationid' => $locationid, 'openingtime' => $openingTimes));
+
+		return true;
+	}
+
+	private static function getTime($str)
+	{
+		$str = explode(':', $str);
+		if (count($str) !== 2) return false;
+		if ($str[0] < 0 || $str[0] > 23 || $str[1] < 0 || $str[1] > 59) return false;
+		return $str[0] * 60 + $str[1];
+	}
+
 	private static function updateLocation()
 	{
 		$locationId = Request::post('locationid', false, 'integer');
@@ -313,4 +381,113 @@ class SubPage
 		echo Render::parse('location-subnets', $data);
 	}
 
+	private static function ajaxOpeningTimes($id) {
+		User::assertPermission('location.edit', $id);
+		$openTimes = Database::queryFirst("SELECT openingtime FROM `location` WHERE locationid = :id", array('id' => $id));
+		if ($openTimes !== false) {
+			$openingTimes = json_decode($openTimes['openingtime'], true);
+		}
+		if (!isset($openingTimes) || !is_array($openingTimes)) {
+			$openingTimes = array();
+		}
+		$data = array('id' => $id);
+		$data['expertMode'] = !self::isSimpleMode($openingTimes);
+		$data['schedule_data'] = json_encode($openingTimes);
+
+		echo Render::parse('ajax-opening-location', $data);
+	}
+
+	private static function isSimpleMode(&$array) {
+		if (empty($array))
+			return true;
+		// Decompose by day
+		$new = array();
+		foreach ($array as $row) {
+			$s = self::getTime($row['openingtime']);
+			$e = self::getTime($row['closingtime']);
+			if ($s === false || $e === false || $e <= $s)
+				continue;
+			foreach ($row['days'] as $day) {
+				self::addDay($new, $day, $s, $e);
+			}
+		}
+		// Merge by timespan, but always keep saturday and sunday separate
+		$merged = array();
+		foreach ($new as $day => $ranges) {
+			foreach ($ranges as $range) {
+				if ($day === 'Saturday' || $day === 'Sunday') {
+					$add = $day;
+				} else {
+					$add = '';
+				}
+				$key = '#' . $range[0] . '#' . $range[1] . '#' . $add;
+				if (!isset($merged[$key])) {
+					$merged[$key] = array();
+				}
+				$merged[$key][$day] = true;
+			}
+		}
+		// Check if it passes as simple mode
+		if (count($merged) > 3)
+			return false;
+		foreach ($merged as $days) {
+			if (count($days) === 5) {
+				$res = array_keys($days);
+				$res = array_intersect($res, array("Monday", "Tuesday", "Wednesday", "Thursday", "Friday"));
+				if (count($res) !== 5)
+					return false;
+			} elseif (count($days) === 1) {
+				if (!isset($days['Saturday']) && !isset($days['Sunday'])) {
+					return false;
+				}
+			} else {
+				return false;
+			}
+		}
+		// Valid simple mode, finally transform back to what we know
+		$new = array();
+		foreach ($merged as $span => $days) {
+			preg_match('/^#(\d+)#(\d+)#/', $span, $out);
+			$new[] = array(
+				'days' => array_keys($days),
+				'openingtime' => floor($out[1] / 60) . ':' . ($out[1] % 60),
+				'closingtime' => floor($out[2] / 60) . ':' . ($out[2] % 60),
+			);
+		}
+		$array = $new;
+		return true;
+	}
+
+	private static function addDay(&$array, $day, $s, $e)
+	{
+		if (!isset($array[$day])) {
+			$array[$day] = array(array($s, $e));
+			return;
+		}
+		foreach (array_keys($array[$day]) as $key) {
+			$current = $array[$day][$key];
+			if ($s <= $current[0] && $e >= $current[1]) {
+				// Fully dominated
+				unset($array[$day][$key]);
+				continue; // Might partially overlap with additional ranges, keep going
+			}
+			if ($current[0] <= $s && $current[1] >= $s) {
+				// $start lies within existing range
+				if ($current[0] <= $e && $current[1] >= $e)
+					return; // Fully in existing range, do nothing
+				// $end seems to extend range we're checking against but $start lies within this range, update and keep going
+				$s = $current[0];
+				unset($array[$day][$key]);
+				continue;
+			}
+			// Last possibility: $start is before range, $end within range
+			if ($current[0] <= $e && $current[1] >= $e) {
+				// $start must lie before range start, otherwise we'd have hit the case above
+				$e = $current[1];
+				unset($array[$day][$key]);
+				continue;
+			}
+		}
+		$array[$day][] = array($s, $e);
+	}
 }
\ No newline at end of file
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