Ics.php

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Revision as of 14:46, 18 February 2010 by ITechGeek (talk | contribs)

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This code still needs to be cleaned up some. <?php include('Drupal.login.php'); $ics_contents = "BEGIN:VCALENDAR\n"; $ics_contents .= "VERSION:2.0\n"; $ics_contents .= "PRODID:PHP\n"; $ics_contents .= "METHOD:PUBLISH\n"; $ics_contents .= "X-WR-CALNAME:HacDC Schedule\n"; # Change the timezone as well daylight settings if need be $ics_contents .= "X-WR-TIMEZONE:America/New_York\n"; $ics_contents .= "BEGIN:VTIMEZONE\n"; $ics_contents .= "TZID:America/New_York\n"; $ics_contents .= "BEGIN:DAYLIGHT\n"; $ics_contents .= "TZOFFSETFROM:-0500\n"; $ics_contents .= "TZOFFSETTO:-0400\n"; $ics_contents .= "DTSTART:20070311T020000\n"; $ics_contents .= "RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU\n"; $ics_contents .= "TZNAME:EDT\n"; $ics_contents .= "END:DAYLIGHT\n"; $ics_contents .= "BEGIN:STANDARD\n"; $ics_contents .= "TZOFFSETFROM:-0400\n"; $ics_contents .= "TZOFFSETTO:-0500\n"; $ics_contents .= "DTSTART:20071104T020000\n"; $ics_contents .= "RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU\n"; $ics_contents .= "TZNAME:EST\n"; $ics_contents .= "END:STANDARD\n"; $ics_contents .= "END:VTIMEZONE\n"; $events = mysql_query("SELECT node.nid AS nid, node.title AS title, node.changed as node_changed, node.type AS node_type, node.vid AS node_vid, content_field_date.field_date_value as Start, content_field_date.field_date_value2 as End FROM (node left join content_field_date on node.vid = content_field_date.vid) WHERE type = 'event' ORDER BY Start "); function clean_url($desc) { $desc = html_entity_decode($desc); $desc = strip_tags($desc); $desc = ereg_replace("[^A-Za-z0-9 -|=`~!@#$%^&*()_+,./?><:;'{}]", "", $desc ); return $desc; } while ($schedule_details = mysql_fetch_assoc($events)) { if (date('T', strtotime($schedule_details['Start'])) == "EDT") { $Offset = 4*60*60; } else { $Offset = 5*60*60; } $Start = strtotime($schedule_details['Start'])-$Offset; $End = strtotime($schedule_details['End'])-$Offset; #if ($Start >= time()) { $desc1 = mysql_query("SELECT * from node_revisions WHERE nid = '".$schedule_details['nid']."' and vid = '".$schedule_details['node_vid']."'"); $desc1 = mysql_fetch_assoc($desc1); #echo html_entity_decode($desc1['title'])."<br>"; #echo html_entity_decode($desc1['teaser'])."<br>"; #echo html_entity_decode($desc1['body'])."<br><br>"; $Yr = date(Y,$Start); $Mo = date(m,$Start); $Day = date(d,$Start); $Hr = date(H,$Start); $Min = date(i,$Start); $Yr1 = date(Y,$End); $Mo1 = date(m,$End); $Day1 = date(d,$End); $Hr1 = date(H,$End); $Min1 = date(i,$End); $id = $schedule_details['nid']; $start_date = $Yr."-".$Mo."-".$Day; $start_time = $Hr.":".$Min.":00"; $end_date = $Yr1."-".$Mo1."-".$Day1; $end_time = $Hr1.":".$Min1.":00"; # $category = $schedule_details['Category']; $category = "HacDC"; $name = $schedule_details['title']; $location = "1525 Newton St NW, Washington DC 20010 (Near corner of 16th and Newton NW)"; $description = clean_url(strip_tags($desc1['body'])); # Remove '-' in $start_date and $end_date $estart_date = str_replace("-", "", $start_date); $eend_date = str_replace("-", "", $end_date); # Remove ':' in $start_time and $end_time $estart_time = str_replace(":", "", $start_time); $eend_time = str_replace(":", "", $end_time); # Replace some HTML tags $name = str_replace("<br>", "\\r\\n", $name); $name = str_replace("&", "&", $name); $name = str_replace("→", "-->", $name); $name = str_replace("←", "<--", $name); $name = str_replace(",", "\\,", $name); $name = str_replace(";", "\\;", $name); $location = str_replace("<br>", "\\r\\n", $location); $location = str_replace("&", "&", $location); $location = str_replace("→", "-->", $location); $location = str_replace("←", "<--", $location); $location = str_replace(",", "\\,", $location); $location = str_replace(";", "\\;", $location); $description = str_replace("<br>", "\\r\\n", $description); $description = str_replace("&", "&", $description); $description = str_replace("→", "-->", $description); $description = str_replace("←", "<--", $description); $description = str_replace("<em>", "", $description); $description = str_replace("</em>", "", $description); # Change TZID if need be $ics_contents .= "BEGIN:VEVENT\r\n"; $ics_contents .= "DTSTART;TZID=America/New_York:" . $estart_date . "T". $estart_time . "\r\n"; $ics_contents .= "DTEND;TZID=America/New_York:" . $eend_date . "T". $eend_time . "\r\n"; $ics_contents .= "DTSTAMP:" . date('Ymd') . "T". date('His') . "Z\r\n"; $ics_contents .= "SUMMARY:" . $name . "\r\n"; $ics_contents .= "LOCATION:" . $location . "\r\n"; $ics_contents .= "DESCRIPTION:" . $description . "\r\n"; $ics_contents .= "UID:" . $id .rand(0,9999). "\r\n"; $ics_contents .= "SEQUENCE:0\r\n"; $ics_contents .= "END:VEVENT\r\n"; } #} $ics_contents .= "END:VCALENDAR\r\n"; echo $ics_contents;