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39 lines
1.1 KiB
PHP
39 lines
1.1 KiB
PHP
<?php
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/**
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* Return local path to room invite code.
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* @param string $room_id Id of room to locate QR code for.
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*/
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function room_qr_code_path(string $room_id): string {
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global $QR_CODES;
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return "$QR_CODES/$room_id.png";
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}
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/**
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* Return remote path to room invite code.
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* @param string $room_id Id of room to locate QR code for.
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*/
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function room_qr_code_path_relative(string $room_id): string {
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global $QR_CODES_RELATIVE;
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return "$QR_CODES_RELATIVE/$room_id.png";
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}
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/**
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* Fetch QR invite of the given room and return its local path.
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* @param \CommunityRoom $room
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* @return string
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*/
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function room_qr_code($room): string {
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$room_id = $room->get_room_identifier();
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$png_cached = room_qr_code_path($room_id);
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if (file_exists($png_cached)) {
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return room_qr_code_path_relative($room_id);
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}
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log_debug("Fetching QR code for $room_id.");
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$png = file_get_contents($room->get_invite_url());
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file_put_contents($png_cached, $png);
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return room_qr_code_path_relative($room_id);
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}
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file_exists($QR_CODES) or mkdir($QR_CODES, 0755);
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?>
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