88 lines
2.7 KiB
PHP
88 lines
2.7 KiB
PHP
<?php
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namespace OCA\Gestion\Helpers;
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use DateTime;
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use DateTimeZone;
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use Exception;
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class VCalendarHelpers
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{
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public static function GetValueFromKeyInVCalendarString(string $key, string $vCalendarString): string
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{
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$value = "";
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preg_match("/$key:(.*)\r\n/", $vCalendarString, $matches);
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if (isset($matches[1])) {
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$value = trim($matches[1]);
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}
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return $value;
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}
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public static function GetDateStartOrDateEndFromVCalendarString(string $key, string $vCalendarString)
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{
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preg_match("/$key;TZID=([^:]+):(\d+T\d+)/", $vCalendarString, $matches);
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if (!$matches) {
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return null;
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}
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try {
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$dateTz = $matches[1];
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$datetimeString = $matches[2];
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$datetimeValue = new DateTime($datetimeString, new DateTimeZone($dateTz));
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return $datetimeValue;
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} catch (Exception $e) {
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return null;
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}
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}
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public static function GetStartAndEndTimeFromVCalendarString(string $vCalendarString)
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{
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$startTimeValue = "";
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$endTimeValue = "";
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if ($vCalendarString != "") {
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$dateStart = self::GetDateStartOrDateEndFromVCalendarString("DTSTART", $vCalendarString);
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if ($dateStart != null) {
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$startTimeValue = $dateStart->format("H") . "h";
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}
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$dateEnd = self::GetDateStartOrDateEndFromVCalendarString("DTEND", $vCalendarString);
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if ($dateEnd != null) {
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$endTimeValue = $dateEnd->format("H") . "h";
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}
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}
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return [
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"startTime" => $startTimeValue,
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"endTime" => $endTimeValue
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];
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}
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public static function ReadVCalendarDataBlob($vCalendarData)
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{
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if (is_resource($vCalendarData)) {
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return stream_get_contents($vCalendarData);
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}
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return $vCalendarData;
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}
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public static function hasAttachment(string $vCalendarString): bool
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{
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return str_contains($vCalendarString, 'ATTACH;FMTTYPE');
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}
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public static function extractAttachments(string $vCalendarString): array
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{
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$attachments = [];
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$vCalendarString = preg_replace("/\r\n|\n|\r/", "\n", $vCalendarString);
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$vCalendarString = preg_replace("/\n[ \t]/", "", $vCalendarString);
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preg_match_all('/ATTACH;FMTTYPE=([^;]+);FILENAME=([^;]+);X-NC-FILE-ID=(\d+)/', $vCalendarString, $matches, PREG_SET_ORDER);
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foreach ($matches as $match) {
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$attachments[] = [
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'type' => explode("/", $match[1])[0],
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'mime_type' => $match[1],
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'name' => trim($match[2], '/'),
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'file_id' => (int) $match[3],
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];
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}
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return $attachments;
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}
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}
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