Tentative final Calendar beta for testing.
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Doug Bell
parent
92f016eb32
commit
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7 changed files with 627 additions and 47 deletions
341
lib/WebGUI/Workflow/Activity/CalendarUpdateFeeds.pm
Executable file
341
lib/WebGUI/Workflow/Activity/CalendarUpdateFeeds.pm
Executable file
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package WebGUI::Workflow::Activity::CalendarUpdateFeeds;
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=head1 LEGAL
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-------------------------------------------------------------------
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WebGUI is Copyright 2001-2006 Plain Black Corporation.
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-------------------------------------------------------------------
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Please read the legal notices (docs/legal.txt) and the license
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(docs/license.txt) that came with this distribution before using
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this software.
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-------------------------------------------------------------------
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http://www.plainblack.com info@plainblack.com
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-------------------------------------------------------------------
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=cut
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use strict;
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use warnings;
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use base 'WebGUI::Workflow::Activity';
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use WebGUI::Asset::Wobject::Calendar;
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use WebGUI::Asset::Event;
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use WebGUI::DateTime;
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use LWP::UserAgent;
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=head1 NAME
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Package WebGUI::Workflow::Activity::CalendarUpdateFeeds;
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=head1 DESCRIPTION
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Imports calendar events from Calendar feeds.
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=head1 SYNOPSIS
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See WebGUI::Workflow::Activity for details on how to use any activity.
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=head1 METHODS
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These methods are available from this class:
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=cut
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#-------------------------------------------------------------------
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=head2 definition ( session, definition )
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See WebGUI::Workflow::Activity::defintion() for details.
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=cut
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sub definition {
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my $class = shift;
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my $session = shift;
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my $definition = shift;
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my $i18n = WebGUI::International->new($session, "Asset_Calendar");
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push(@{$definition}, {
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name=>$i18n->get("workflow updateFeeds"),
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properties=> { }
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});
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return $class->SUPER::definition($session,$definition);
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}
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#-------------------------------------------------------------------
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=head2 execute ( )
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See WebGUI::Workflow::Activity::execute() for details.
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=cut
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sub execute {
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my $self = shift;
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$self->session->user({userId => 3});
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my $ua = LWP::UserAgent->new(agent => "WebGUI");
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my $dt = WebGUI::DateTime->new(time)->toMysql;
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my $sth = $self->session->db->prepare("select * from Calendar_feeds");
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$sth->execute();
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FEED:while (my $feed = $sth->hashRef)
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{
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#!!! KLUDGE - If the feed is on the same server, set a scratch value
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# I do not know how dangerous this is, so THIS MUST CHANGE!
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# Preferably: Spectre would add a userSession to the database,
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# and send the appropriate cookie with the request.
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my $sitename = $self->session->config->get("sitename")->[0];
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if ($feed->{url} =~ m{http://[^/]*$sitename})
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{
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my $sessionId = $self->session->id->generate;
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$feed->{url} .= ";adminId=".$sessionId;
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$self->session->db->write("INSERT INTO userSessionScratch (sessionId,name,value) VALUES (?,?,?)",
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[$sessionId,$feed->{assetId},"SPECTRE"]);
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}
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#/KLUDGE
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#warn "FEED URL: ".$feed->{url} ."\n";
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## Somebody point me to a DECENT iCalendar parser...
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# Text::vFile perhaps?
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# Get the feed
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my $response = $ua->get($feed->{url});
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if ($response->is_success)
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{
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my $data = $response->content;
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# If doesn't start with BEGIN:VCALENDAR then error
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unless ($data =~ /^BEGIN:VCALENDAR/i)
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{
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# Update the result and last updated fields
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$self->session->db->write("update Calendar_feeds set lastResult=?,lastUpdated=? where feedId=?",
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["Not an iCalendar feed",$dt,$feed->{feedId}]);
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next FEED;
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}
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my $active = 0; # Parser on/off
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my %current_event = ();
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my $current_entry = "";
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my %events;
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my $line_number = 0;
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for my $line (split /[\r\n]+/,$data)
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{
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chomp $line;
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$line_number++;
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next unless $line =~ /\w/;
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#warn "LINE $line_number: $line\n";
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if ($line =~ /^BEGIN:VEVENT$/i)
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{
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$active = 1;
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}
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elsif ($line =~ /^END:VEVENT$/i)
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{
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$active = 0;
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# Flush event
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my $uid = lc $current_event{uid}[1];
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delete $current_event{uid};
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$events{$uid} = {%current_event};
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%current_event = ();
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}
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elsif ($line =~ /^ /)
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{
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# Add to entry data
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$current_entry .= substr $line, 1;
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}
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else
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{
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# Flush old entry
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# KEY;ATTRIBUTE=VALUE;ATTRIBUTE=VALUE:KEYVALUE
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my ($key_attrs,$value) = split /:/,$current_entry,2;
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my @attrs = split /;/, $key_attrs;
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my $key = shift @attrs;
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my %attrs;
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while (my $attribute = shift @attrs)
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{
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my ($attr_key, $attr_value) = split /=/, $attribute, 2;
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$attrs{lc $attr_key} = $attr_value;
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}
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# Unescape value
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$current_event{lc $key} = [\%attrs,$value];
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# Start new entry
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$current_entry = $line;
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}
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}
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my $added = 0;
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my $updated = 0;
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for my $id (keys %events)
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{
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#use Data::Dumper;
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#warn "EVENT: $id; ".Dumper $events{$id};
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# Prepare event data
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my $properties = {
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feedUid => $id,
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feedId => $feed->{feedId},
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description => $events{$id}->{description}->[1],
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title => $events{$id}->{summary}->[1],
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menuTitle => substr($events{$id}->{summary}->[1],0,15),
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className => 'WebGUI::Asset::Event',
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isHidden => 1,
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};
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# Prepare the date
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my $dtstart = $events{$id}->{dtstart}->[1];
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if ($dtstart =~ /T/)
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{
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my ($date, $time) = split /T/, $dtstart;
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my ($year, $month, $day) = $date =~ /(\d{4})(\d{2})(\d{2})/;
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my ($hour, $minute, $second) = $time =~ /(\d{2})(\d{2})(\d{2})/;
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($properties->{startDate}, $properties->{startTime}) =
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split / /, WebGUI::DateTime(
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year => $year,
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month => $month,
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day => $day,
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hour => $hour,
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minute => $minute,
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second => $second,
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time_zone => "UTC",
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)->toMysql;
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}
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elsif ($dtstart =~ /(\d{4})(\d{2})(\d{2})/)
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{
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my ($year, $month, $day) = $dtstart =~ /(\d{4})(\d{2})(\d{2})/;
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$properties->{startDate} = join "-",$year,$month,$day;
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}
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my $dtend = $events{$id}->{dtend}->[1];
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if ($dtend =~ /T/)
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{
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my ($date, $time) = split /T/, $dtend;
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my ($year, $month, $day) = $date =~ /(\d{4})(\d{2})(\d{2})/;
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my ($hour, $minute, $second) = $time =~ /(\d{2})(\d{2})(\d{2})/;
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($properties->{endDate}, $properties->{endTime}) =
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split / /, WebGUI::DateTime(
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year => $year,
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month => $month,
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day => $day,
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hour => $hour,
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minute => $minute,
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second => $second,
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time_zone => "UTC",
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)->toMysql;
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}
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elsif ($dtend =~ /(\d{4})(\d{2})(\d{2})/)
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{
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my ($year, $month, $day) = $dtend =~ /(\d{4})(\d{2})(\d{2})/;
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$properties->{endDate} = join "-",$year,$month,$day;
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}
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# If there are X-WebGUI-* fields
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for my $key (grep /^X-WEBGUI-/, keys %{$events{$id}})
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{
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my $property_name = $key;
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$property_name =~ s/^X-WEBGUI-//;
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if (lc $property_name eq "groupidedit")
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{
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$properties->{groupIdEdit} = $events{$id}->{$key}->[1];
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}
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elsif (lc $property_name eq "groupidview")
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{
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$properties->{groupIdView} = $events{$id}->{$key}->[1];
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}
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elsif (lc $property_name eq "url")
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{
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$properties->{url} = $events{$id}->{$key}->[1];
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}
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}
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# Update event
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my ($assetId) = $self->session->db->quickArray("select assetId from Event where feedUid=?",[$id]);
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# If this event already exists, update
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if ($assetId)
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{
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#warn "Updating $assetId\n";
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my $event = WebGUI::Asset->newByDynamicClass($self->session,$assetId);
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if ($event)
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{
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$event->update($properties);
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$event->requestCommit;
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$updated++;
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}
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}
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else
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{
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my $calendar = WebGUI::Asset->newByDynamicClass($self->session,$feed->{assetId});
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my $event = $calendar->addChild($properties);
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$event->requestCommit;
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$added++;
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}
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# TODO: Only update if last-updated field is
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# greater than the event's lastUpdated property
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}
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# Update the result and last updated fields
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$self->session->db->write("update Calendar_feeds set lastResult=?,lastUpdated=? where feedId=?",
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["Success! $added added, $updated updated",$dt,$feed->{feedId}]);
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}
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else
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{
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# Update the result and last updated fields
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$self->session->db->write("update Calendar_feeds set lastResult=?,lastUpdated=? where feedId=?",
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[$response->message,$dt,$feed->{feedId}]);
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}
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}
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$sth->finish;
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return $self->COMPLETE;
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}
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=head1 BUGS
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We should probably be using some sort of parser for the iCalendar files. I did
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not have time to make a decent observation but the following were observed and
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rejected
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Data::ICal - Best one I saw. Rejected because I've run out of time
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Text::vFile
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Net::ICal
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iCal::Parser - Bad data structure
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Tie::iCal
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=cut
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1;
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