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Diffstat (limited to 'extensions/MyDashboard/lib/TimeAgo.pm')
| -rw-r--r-- | extensions/MyDashboard/lib/TimeAgo.pm | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/extensions/MyDashboard/lib/TimeAgo.pm b/extensions/MyDashboard/lib/TimeAgo.pm new file mode 100644 index 000000000..f213986d6 --- /dev/null +++ b/extensions/MyDashboard/lib/TimeAgo.pm @@ -0,0 +1,182 @@ +package Bugzilla::Extension::MyDashboard::TimeAgo; + +use strict; +use utf8; +use DateTime; +use Carp; +use Exporter qw(import); + +use if $ENV{ARCH_64BIT}, 'integer'; + +our @EXPORT_OK = qw(time_ago); + +our $VERSION = '0.06'; + +my @ranges = ( + [ -1, 'in the future' ], + [ 60, 'just now' ], + [ 900, 'a few minutes ago'], # 15*60 + [ 3000, 'less than an hour ago'], # 50*60 + [ 4500, 'about an hour ago'], # 75*60 + [ 7200, 'more than an hour ago'], # 2*60*60 + [ 21600, 'several hours ago'], # 6*60*60 + [ 86400, 'today', sub { # 24*60*60 + my $time = shift; + my $now = shift; + if ( $time->day < $now->day + or $time->month < $now->month + or $time->year < $now->year + ) { + return 'yesterday' + } + if ($time->hour < 5) { + return 'tonight' + } + if ($time->hour < 10) { + return 'this morning' + } + if ($time->hour < 15) { + return 'today' + } + if ($time->hour < 19) { + return 'this afternoon' + } + return 'this evening' + }], + [ 172800, 'yesterday'], # 2*24*60*60 + [ 604800, 'this week'], # 7*24*60*60 + [ 1209600, 'last week'], # 2*7*24*60*60 + [ 2678400, 'this month', sub { # 31*24*60*60 + my $time = shift; + my $now = shift; + if ($time->year == $now->year and $time->month == $now->month) { + return 'this month' + } + return 'last month' + }], + [ 5356800, 'last month'], # 2*31*24*60*60 + [ 24105600, 'several months ago'], # 9*31*24*60*60 + [ 31536000, 'about a year ago'], # 365*24*60*60 + [ 34214400, 'last year'], # (365+31)*24*60*60 + [ 63072000, 'more than a year ago'], # 2*365*24*60*60 + [ 283824000, 'several years ago'], # 9*365*24*60*60 + [ 315360000, 'about a decade ago'], # 10*365*24*60*60 + [ 630720000, 'last decade'], # 20*365*24*60*60 + [ 2838240000, 'several decades ago'], # 90*365*24*60*60 + [ 3153600000, 'about a century ago'], # 100*365*24*60*60 + [ 6307200000, 'last century'], # 200*365*24*60*60 + [ 6622560000, 'more than a century ago'], # 210*365*24*60*60 + [ 28382400000, 'several centuries ago'], # 900*365*24*60*60 + [ 31536000000, 'about a millenium ago'], # 1000*365*24*60*60 + [ 63072000000, 'more than a millenium ago'], # 2000*365*24*60*60 +); + +sub time_ago { + my ($time, $now) = @_; + + if (not defined $time or not $time->isa('DateTime')) { + croak('DateTime::Duration::Fuzzy::time_ago needs a DateTime object as first parameter') + } + if (not defined $now) { + $now = DateTime->now(); + } + if (not $now->isa('DateTime')) { + croak('Invalid second parameter provided to DateTime::Duration::Fuzzy::time_ago; it must be a DateTime object if provided') + } + + # Use clones in UTC for safe date calculation + my $now_clone = $now->clone->set_time_zone('UTC'); + my $time_clone = $time->clone->set_time_zone('UTC'); + my $dur = $now_clone->subtract_datetime_absolute( $time_clone )->in_units('seconds'); + + foreach my $range ( @ranges ) { + if ( $dur <= $range->[0] ) { + if ( $range->[2] ) { + return $range->[2]->( $time_clone, $now_clone ) + } + return $range->[1] + } + } + + return 'millenia ago' +} + +1 + +__END__ + +=head1 NAME + +DateTime::Duration::Fuzzy -- express dates as fuzzy human-friendly strings + +=head1 SYNOPSIS + + use DateTime::Duration::Fuzzy qw(time_ago); + use DateTime; + + my $now = DateTime->new( + year => 2010, month => 12, day => 12, + hour => 19, minute => 59, + ); + my $then = DateTime->new( + year => 2010, month => 12, day => 12, + hour => 15, + ); + print time_ago($then, $now); + # outputs 'several hours ago' + + print time_ago($then); + # $now taken from C<time> function + +=head1 DESCRIPTION + +DateTime::Duration::Fuzzy is inspired from the timeAgo jQuery module +L<http://timeago.yarp.com/>. + +It takes two DateTime objects -- first one representing a moment in the past +and second optional one representine the present, and returns a human-friendly +fuzzy expression of the time gone. + +=head2 functions + +=over 4 + +=item time_ago($then, $now) + +The only exportable function. + +First obligatory parameter is a DateTime object. + +Second optional parameter is also a DateTime object. +If it's not provided, then I<now> as the C<time> function returns is +substituted. + +Returns a string expression of the interval between the two DateTime +objects, like C<several hours ago>, C<yesterday> or <last century>. + +=back + +=head2 performance + +On 64bit machines, it is asvisable to 'use integer', which makes +the calculations faster. You can turn this on by setting the +C<ARCH_64BIT> environmental variable to a true value. + +If you do this on a 32bit machine, you will get wrong results for +intervals starting with "several decades ago". + +=head1 AUTHOR + +Jan Oldrich Kruza, C<< <sixtease at cpan.org> >> + +=head1 LICENSE AND COPYRIGHT + +Copyright 2010 Jan Oldrich Kruza. + +This program is free software; you can redistribute it and/or modify it +under the terms of either: the GNU General Public License as published +by the Free Software Foundation; or the Artistic License. + +See http://dev.perl.org/licenses/ for more information. + +=cut |