X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/71e266b939d72871f7efbc9c498dc9b472bdf9eb..fb2e00014da40d677f79b6b07e05ae821e7e10e5:/IkiWiki/Plugin/calendar.pm diff --git a/IkiWiki/Plugin/calendar.pm b/IkiWiki/Plugin/calendar.pm index fe7ee0361..45617afe8 100644 --- a/IkiWiki/Plugin/calendar.pm +++ b/IkiWiki/Plugin/calendar.pm @@ -1,4 +1,4 @@ -#! /usr/bin/perl +#!/usr/bin/perl # Copyright (c) 2006, 2007 Manoj Srivastava # # This program is free software; you can redistribute it and/or modify @@ -13,7 +13,7 @@ # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. require 5.002; package IkiWiki::Plugin::calendar; @@ -22,15 +22,20 @@ use warnings; use strict; use IkiWiki 3.00; use Time::Local; -use POSIX; my $time=time; my @now=localtime($time); +my %changed; sub import { + hook(type => "checkconfig", id => "calendar", call => \&checkconfig); hook(type => "getsetup", id => "calendar", call => \&getsetup); hook(type => "needsbuild", id => "calendar", call => \&needsbuild); hook(type => "preprocess", id => "calendar", call => \&preprocess); + hook(type => "scan", id => "calendar", call => \&scan); + hook(type => "build_affected", id => "calendar", call => \&build_affected); + + IkiWiki::loadplugin("transient"); } sub getsetup () { @@ -38,6 +43,7 @@ sub getsetup () { plugin => { safe => 1, rebuild => undef, + section => "widget", }, archivebase => { type => "string", @@ -46,6 +52,44 @@ sub getsetup () { safe => 1, rebuild => 1, }, + archive_pagespec => { + type => "pagespec", + example => "page(posts/*) and !*/Discussion", + description => "PageSpec of pages to include in the archives, if option `calendar_autocreate` is true.", + link => 'ikiwiki/PageSpec', + safe => 1, + rebuild => 0, + }, + calendar_autocreate => { + type => "boolean", + example => 1, + description => "autocreate new calendar pages?", + safe => 1, + rebuild => undef, + }, + calendar_fill_gaps => { + type => "boolean", + example => 1, + default => 1, + description => "if set, when building calendar pages, also build pages of year and month when no pages were published (building empty calendars).", + safe => 1, + rebuild => 0, + }, +} + +sub checkconfig () { + if (! defined $config{calendar_autocreate}) { + $config{calendar_autocreate} = defined $config{archivebase}; + } + if (! defined $config{archive_pagespec}) { + $config{archive_pagespec} = '*'; + } + if (! defined $config{archivebase}) { + $config{archivebase} = 'archives'; + } + if (! defined $config{calendar_fill_gaps}) { + $config{calendar_fill_gaps} = 1; + } } sub is_leap_year (@) { @@ -62,27 +106,219 @@ sub month_days { return $days_in_month; } +sub build_affected { + my %affected; + my ($ayear, $amonth, $valid); + + foreach my $year (keys %changed) { + ($ayear, $valid) = nextyear($year, $config{archivebase}); + $affected{calendarlink($ayear)} = sprintf(gettext("building calendar for %s, its previous or next year has changed"), $ayear) if ($valid); + ($ayear, $valid) = previousyear($year, $config{archivebase}); + $affected{calendarlink($ayear)} = sprintf(gettext("building calendar for %s, its previous or next year has changed"), $ayear) if ($valid); + foreach my $month (keys %{$changed{$year}}) { + ($ayear, $amonth, $valid) = nextmonth($year, $month, $config{archivebase}); + $affected{calendarlink($ayear, sprintf("%02d", $amonth))} = sprintf(gettext("building calendar for %s/%s, its previous or next month has changed"), $amonth, $ayear) if ($valid); + ($ayear, $amonth, $valid) = previousmonth($year, $month, $config{archivebase}); + $affected{calendarlink($ayear, sprintf("%02d", $amonth))} = sprintf(gettext("building calendar for %s/%s, its previous or next month has changed"), $amonth, $ayear) if ($valid); + } + } + + return %affected; +} + +sub autocreate { + my ($page, $pagefile, $year, $month) = @_; + my $message=sprintf(gettext("creating calendar page %s"), $page); + debug($message); + + my $template; + if (defined $month) { + $template=template("calendarmonth.tmpl"); + } else { + $template=template("calendaryear.tmpl"); + } + $template->param(year => $year); + $template->param(month => $month) if defined $month; + $template->param(pagespec => $config{archive_pagespec}); + + no warnings 'once'; + my $dir = $IkiWiki::Plugin::transient::transientdir; + use warnings; + + writefile($pagefile, $dir, $template->output); +} + +sub calendarlink($;$) { + my ($year, $month) = @_; + if (defined $month) { + return $config{archivebase} . "/" . $year . "/" . $month; + } else { + return $config{archivebase} . "/" . $year; + } +} + +sub gencalendarmonth{ + my $year = shift; + my $month = sprintf("%02d", shift); + + my $page = calendarlink($year, $month); + my $pagefile = newpagefile($page, $config{default_pageext}); + add_autofile( + $pagefile, "calendar", + sub {return autocreate($page, $pagefile, $year, $month);} + ); +} + +sub gencalendaryear { + my $year = shift; + my %params = @_; + + # Building year page + my $page = calendarlink($year); + my $pagefile = newpagefile($page, $config{default_pageext}); + add_autofile( + $pagefile, "calendar", + sub {return autocreate($page, $pagefile, $year);} + ); + + if (not exists $wikistate{calendar}{minyear}) { + $wikistate{calendar}{minyear} = $year; + } + if (not exists $wikistate{calendar}{maxyear}) { + $wikistate{calendar}{maxyear} = $year; + } + + if ($config{calendar_fill_gaps}) { + # Building month pages + foreach my $month (1 .. 12) { + gencalendarmonth($year, $month); + } + + # Filling potential gaps in years (e.g. calendar goes from 2010 to 2014, + # and we just added year 2005. We have to add years 2006 to 2009). + return if $params{norecurse}; + if ($wikistate{calendar}{minyear} > $year) { + foreach my $other ($year + 1 .. $wikistate{calendar}{minyear} - 1) { + gencalendaryear($other, norecurse => 1); + } + $wikistate{calendar}{minyear} = $year; + } + if ($wikistate{calendar}{maxyear} < $year) { + foreach my $other ($wikistate{calendar}{maxyear} + 1 .. $year - 1) { + gencalendaryear($other, norecurse => 1); + } + $wikistate{calendar}{maxyear} = $year; + } + } + if ($year < $wikistate{calendar}{minyear}) { + $wikistate{calendar}{minyear} = $year; + } + if ($year > $wikistate{calendar}{maxyear}) { + $wikistate{calendar}{maxyear} = $year; + } +} + +sub previousmonth($$$) { + my $year = shift; + my $month = shift; + my $archivebase = shift; + + if (not exists $wikistate{calendar}{minyear}) { + $wikistate{calendar}{minyear} = $year; + } + + my $pmonth = $month; + my $pyear = $year; + while ((not exists $pagesources{"$archivebase/$pyear/" . sprintf("%02d", $pmonth)}) or ($pmonth == $month and $pyear == $year)) { + $pmonth -= 1; + if ($pmonth == 0) { + $pyear -= 1; + $pmonth = 12; + return ($pyear, $pmonth, 0) unless $pyear >= $wikistate{calendar}{minyear}; + } + } + return ($pyear, $pmonth, 1); +} + +sub nextmonth($$$) { + my $year = shift; + my $month = shift; + my $archivebase = shift; + + if (not exists $wikistate{calendar}{maxyear}) { + $wikistate{calendar}{maxyear} = $year; + } + + my $nmonth = $month; + my $nyear = $year; + while ((not exists $pagesources{"$archivebase/$nyear/" . sprintf("%02d", $nmonth)}) or ($nmonth == $month and $nyear == $year)) { + $nmonth += 1; + if ($nmonth == 13) { + $nyear += 1; + $nmonth = 1; + return ($nyear, $nmonth, 0) unless $nyear <= $wikistate{calendar}{maxyear}; + } + } + return ($nyear, $nmonth, 1); +} + +sub previousyear($$) { + my $year = shift; + my $archivebase = shift; + + my $pyear = $year - 1; + while (not exists $pagesources{"$archivebase/$pyear"}) { + $pyear -= 1; + return ($pyear, 0) unless ($pyear >= $wikistate{calendar}{minyear}); + } + return ($pyear, 1); +} + +sub nextyear($$) { + my $year = shift; + my $archivebase = shift; + + my $nyear = $year + 1; + while (not exists $pagesources{"$archivebase/$nyear"}) { + $nyear += 1; + return ($nyear, 0) unless ($nyear <= $wikistate{calendar}{maxyear}); + } + return ($nyear, 1); +} + sub format_month (@) { my %params=@_; my %linkcache; - foreach my $p (pagespec_match_list($params{page}, $params{pages}, + foreach my $p (pagespec_match_list($params{page}, + "creation_year($params{year}) and creation_month($params{month}) and ($params{pages})", # add presence dependencies to update # month calendar when pages are added/removed deptype => deptype("presence"))) { my $mtime = $IkiWiki::pagectime{$p}; - my $src = $pagesources{$p}; my @date = localtime($mtime); my $mday = $date[3]; my $month = $date[4] + 1; my $year = $date[5] + 1900; my $mtag = sprintf("%02d", $month); - # Only one posting per day is being linked to. - $linkcache{"$year/$mtag/$mday"} = "$src"; + if (! $linkcache{"$year/$mtag/$mday"}) { + $linkcache{"$year/$mtag/$mday"} = []; + } + push(@{$linkcache{"$year/$mtag/$mday"}}, $p); } + + my $archivebase = 'archives'; + $archivebase = $config{archivebase} if defined $config{archivebase}; + $archivebase = $params{archivebase} if defined $params{archivebase}; + + my ($pyear, $pmonth, $pvalid) = previousmonth($params{year}, $params{month}, $archivebase); + my ($nyear, $nmonth, $nvalid) = nextmonth($params{year}, $params{month}, $archivebase); + + # Add padding. + $pmonth=sprintf("%02d", $pmonth); + $nmonth=sprintf("%02d", $nmonth); - my @list; my $calendar="\n"; # When did this month start? @@ -96,46 +332,49 @@ sub format_month (@) { } # Find out month names for this, next, and previous months - my $monthname=POSIX::strftime("%B", @monthstart); - my $pmonthname=POSIX::strftime("%B", localtime(timelocal(0,0,0,1,$params{pmonth}-1,$params{pyear}-1900))); - my $nmonthname=POSIX::strftime("%B", localtime(timelocal(0,0,0,1,$params{nmonth}-1,$params{nyear}-1900))); + my $monthabbrev=strftime_utf8("%b", @monthstart); + my $monthname=strftime_utf8("%B", @monthstart); + my $pmonthname=strftime_utf8("%B", localtime(timelocal(0,0,0,1,$pmonth-1,$pyear-1900))); + my $nmonthname=strftime_utf8("%B", localtime(timelocal(0,0,0,1,$nmonth-1,$nyear-1900))); - my $archivebase = 'archives'; - $archivebase = $config{archivebase} if defined $config{archivebase}; - $archivebase = $params{archivebase} if defined $params{archivebase}; - # Calculate URL's for monthly archives. - my ($url, $purl, $nurl)=("$monthname",'',''); + my ($url, $purl, $nurl)=("$monthname $params{year}",'',''); if (exists $pagesources{"$archivebase/$params{year}/$params{month}"}) { $url = htmllink($params{page}, $params{destpage}, - "$archivebase/$params{year}/".sprintf("%02d", $params{month}), - linktext => " $monthname "); + "$archivebase/$params{year}/".$params{month}, + noimageinline => 1, + linktext => "$monthabbrev $params{year}", + title => $monthname); } - add_depends($params{page}, "$archivebase/$params{year}/".sprintf("%02d", $params{month}), + add_depends($params{page}, "$archivebase/$params{year}/$params{month}", deptype("presence")); - if (exists $pagesources{"$archivebase/$params{pyear}/$params{pmonth}"}) { + if (exists $pagesources{"$archivebase/$pyear/$pmonth"}) { $purl = htmllink($params{page}, $params{destpage}, - "$archivebase/$params{pyear}/" . sprintf("%02d", $params{pmonth}), - linktext => " $pmonthname "); + "$archivebase/$pyear/$pmonth", + noimageinline => 1, + linktext => "\←", + title => $pmonthname); } - add_depends($params{page}, "$archivebase/$params{pyear}/".sprintf("%02d", $params{pmonth}), + add_depends($params{page}, "$archivebase/$pyear/$pmonth", deptype("presence")); - if (exists $pagesources{"$archivebase/$params{nyear}/$params{nmonth}"}) { + if (exists $pagesources{"$archivebase/$nyear/$nmonth"}) { $nurl = htmllink($params{page}, $params{destpage}, - "$archivebase/$params{nyear}/" . sprintf("%02d", $params{nmonth}), - linktext => " $nmonthname "); + "$archivebase/$nyear/$nmonth", + noimageinline => 1, + linktext => "\→", + title => $nmonthname); } - add_depends($params{page}, "$archivebase/$params{nyear}/".sprintf("%02d", $params{nmonth}), + add_depends($params{page}, "$archivebase/$nyear/$nmonth", deptype("presence")); # Start producing the month calendar $calendar=< - - $purl - $url - $nurl - + + $purl + $url + $nurl + EOF @@ -148,11 +387,11 @@ EOF my %dowabbr; for my $dow ($week_start_day..$week_start_day+6) { my @day=localtime(timelocal(0,0,0,$start_day++,$params{month}-1,$params{year}-1900)); - my $downame = POSIX::strftime("%A", @day); - my $dowabbr = POSIX::strftime("%a", @day); + my $downame = strftime_utf8("%A", @day); + my $dowabbr = substr($downame, 0, 1); $downame{$dow % 7}=$downame; $dowabbr{$dow % 7}=$dowabbr; - $calendar.= qq{\t\t$dowabbr\n}; + $calendar.= qq{\t\t$dowabbr\n}; } $calendar.=< $params{year}, month => $params{month}); $day++, $wday++, $wday %= 7) { - # At tihs point, on a week_start_day, we close out a row, + # At this point, on a week_start_day, we close out a row, # and start a new one -- unless it is week_start_day on the # first, where we do not close a row -- since none was started. if ($wday == $week_start_day) { @@ -179,8 +418,8 @@ EOF } my $tag; - my $mtag = sprintf("%02d", $params{month}); - if (defined $pagesources{"$archivebase/$params{year}/$mtag/$day"}) { + my $key="$params{year}/$params{month}/$day"; + if (defined $linkcache{$key}) { if ($day == $today) { $tag='month-calendar-day-this-day'; } @@ -188,10 +427,27 @@ EOF $tag='month-calendar-day-link'; } $calendar.=qq{\t\t}; - $calendar.=htmllink($params{page}, $params{destpage}, - pagename($linkcache{"$params{year}/$mtag/$day"}), - "linktext" => "$day"); - push @list, pagename($linkcache{"$params{year}/$mtag/$day"}); + $calendar.=qq{}; $calendar.=qq{\n}; } else { @@ -223,44 +479,69 @@ EOF sub format_year (@) { my %params=@_; - my $calendar="\n"; + my @post_months; + foreach my $p (pagespec_match_list($params{page}, + "creation_year($params{year}) and ($params{pages})", + # add presence dependencies to update + # year calendar's links to months when + # pages are added/removed + deptype => deptype("presence"))) { + my $mtime = $IkiWiki::pagectime{$p}; + my @date = localtime($mtime); + my $month = $date[4] + 1; - my $future_month = 0; - $future_month = $now[4]+1 if ($params{year} == $now[5]+1900); + $post_months[$month]++; + } + + my $calendar="\n"; my $archivebase = 'archives'; $archivebase = $config{archivebase} if defined $config{archivebase}; $archivebase = $params{archivebase} if defined $params{archivebase}; + + my ($pyear, $pvalid) = previousyear($params{year}, $archivebase); + my ($nyear, $nvalid) = nextyear($params{year}, $archivebase); + + my $thisyear = $now[5]+1900; + my $future_month = 0; + $future_month = $now[4]+1 if $params{year} == $thisyear; # calculate URL's for previous and next years my ($url, $purl, $nurl)=("$params{year}",'',''); if (exists $pagesources{"$archivebase/$params{year}"}) { $url = htmllink($params{page}, $params{destpage}, "$archivebase/$params{year}", - linktext => "$params{year}"); + noimageinline => 1, + linktext => $params{year}, + title => $params{year}); } add_depends($params{page}, "$archivebase/$params{year}", deptype("presence")); - if (exists $pagesources{"$archivebase/$params{pyear}"}) { + if (exists $pagesources{"$archivebase/$pyear"}) { $purl = htmllink($params{page}, $params{destpage}, - "$archivebase/$params{pyear}", - linktext => "\←"); + "$archivebase/$pyear", + noimageinline => 1, + linktext => "\←", + title => $pyear); } - add_depends($params{page}, "$archivebase/$params{pyear}", deptype("presence")); - if (exists $pagesources{"$archivebase/$params{nyear}"}) { + add_depends($params{page}, "$archivebase/$pyear", deptype("presence")); + if (exists $pagesources{"$archivebase/$nyear"}) { $nurl = htmllink($params{page}, $params{destpage}, - "$archivebase/$params{nyear}", - linktext => "\→"); + "$archivebase/$nyear", + noimageinline => 1, + linktext => "\→", + title => $nyear); } - add_depends($params{page}, "$archivebase/$params{nyear}", deptype("presence")); + add_depends($params{page}, "$archivebase/$nyear", deptype("presence")); # Start producing the year calendar + my $m=$params{months_per_row}-2; $calendar=< - - $purl - $url - $nurl - + + $purl + $url + $nurl + Months @@ -269,33 +550,31 @@ EOF for (my $month = 1; $month <= 12; $month++) { my @day=localtime(timelocal(0,0,0,15,$month-1,$params{year}-1900)); my $murl; - my $monthname = POSIX::strftime("%B", @day); - my $monthabbr = POSIX::strftime("%b", @day); + my $monthname = strftime_utf8("%B", @day); + my $monthabbr = strftime_utf8("%b", @day); $calendar.=qq{\t\n} if ($month % $params{months_per_row} == 1); my $tag; my $mtag=sprintf("%02d", $month); - if ($month == $params{month}) { - if ($pagesources{"$archivebase/$params{year}/$mtag"}) { - $tag = 'this_month_link'; - } - else { - $tag = 'this_month_nolink'; - } + if ($month == $params{month} && $thisyear == $params{year}) { + $tag = 'year-calendar-this-month'; } elsif ($pagesources{"$archivebase/$params{year}/$mtag"}) { - $tag = 'month_link'; + $tag = 'year-calendar-month-link'; } elsif ($future_month && $month >= $future_month) { - $tag = 'month_future'; + $tag = 'year-calendar-month-future'; } else { - $tag = 'month_nolink'; + $tag = 'year-calendar-month-nolink'; } - if ($pagesources{"$archivebase/$params{year}/$mtag"}) { + if ($pagesources{"$archivebase/$params{year}/$mtag"} && + $post_months[$mtag]) { $murl = htmllink($params{page}, $params{destpage}, "$archivebase/$params{year}/$mtag", - linktext => "$monthabbr"); + noimageinline => 1, + linktext => $monthabbr, + title => $monthname); $calendar.=qq{\t}; $calendar.=$murl; $calendar.=qq{\t\n}; @@ -316,50 +595,100 @@ EOF return $calendar; } +sub setnextchange ($$) { + my $page=shift; + my $timestamp=shift; + + if (! exists $pagestate{$page}{calendar}{nextchange} || + $pagestate{$page}{calendar}{nextchange} > $timestamp) { + $pagestate{$page}{calendar}{nextchange}=$timestamp; + } +} + sub preprocess (@) { my %params=@_; + + my $thisyear=1900 + $now[5]; + my $thismonth=1 + $now[4]; + $params{pages} = "*" unless defined $params{pages}; $params{type} = "month" unless defined $params{type}; - $params{month} = sprintf("%02d", $params{month}) if defined $params{month}; $params{week_start_day} = 0 unless defined $params{week_start_day}; $params{months_per_row} = 3 unless defined $params{months_per_row}; + $params{year} = $thisyear unless defined $params{year}; + $params{month} = $thismonth unless defined $params{month}; - if (! defined $params{year} || ! defined $params{month}) { - # Record that the calendar next changes at midnight. - $pagestate{$params{destpage}}{calendar}{nextchange}=($time + my $relativeyear=0; + if ($params{year} < 1) { + $relativeyear=1; + $params{year}=$thisyear+$params{year}; + } + my $relativemonth=0; + if ($params{month} < 1) { + $relativemonth=1; + my $monthoff=$params{month}; + $params{month}=($thismonth+$monthoff) % 12; + $params{month}=12 if $params{month}==0; + my $yearoff=POSIX::ceil(($thismonth-$params{month}) / -12) + - int($monthoff / 12); + $params{year}-=$yearoff; + } + + $params{month} = sprintf("%02d", $params{month}); + $changed{$params{year}}{$params{month}} = 1; + + if ($params{type} eq 'month' && $params{year} == $thisyear + && $params{month} == $thismonth) { + # calendar for current month, updates next midnight + setnextchange($params{destpage}, ($time + (60 - $now[0]) # seconds + (59 - $now[1]) * 60 # minutes + (23 - $now[2]) * 60 * 60 # hours - ); - - $params{year} = 1900 + $now[5] unless defined $params{year}; - $params{month} = 1 + $now[4] unless defined $params{month}; + )); } - else { - delete $pagestate{$params{destpage}}{calendar}; + elsif ($params{type} eq 'month' && + (($params{year} == $thisyear && $params{month} > $thismonth) || + $params{year} > $thisyear)) { + # calendar for upcoming month, updates 1st of that month + setnextchange($params{destpage}, + timelocal(0, 0, 0, 1, $params{month}-1, $params{year})); } - - # Calculate month names for next month, and previous months - $params{pmonth} = $params{month} - 1; - $params{nmonth} = $params{month} + 1; - $params{pyear} = $params{year} - 1; - $params{nyear} = $params{year} + 1; - - # Adjust for January and December - if ($params{month} == 1) { - $params{pmonth} = 12; - $params{pyear}--; + elsif (($params{type} eq 'year' && $params{year} == $thisyear) || + $relativemonth) { + # Calendar for current year updates 1st of next month. + # Any calendar relative to the current month also updates + # then. + if ($thismonth < 12) { + setnextchange($params{destpage}, + timelocal(0, 0, 0, 1, $thismonth+1-1, $params{year})); + } + else { + setnextchange($params{destpage}, + timelocal(0, 0, 0, 1, 1-1, $params{year}+1)); + } } - if ($params{month} == 12) { - $params{nmonth} = 1; - $params{nyear}++; + elsif ($relativeyear) { + # Any calendar relative to the current year updates 1st + # of next year. + setnextchange($params{destpage}, + timelocal(0, 0, 0, 1, 1-1, $thisyear+1)); + } + elsif ($params{type} eq 'year' && $params{year} > $thisyear) { + # calendar for upcoming year, updates 1st of that year + setnextchange($params{destpage}, + timelocal(0, 0, 0, 1, 1-1, $params{year})); + } + else { + # calendar for past month or year, does not need + # to update any more + delete $pagestate{$params{destpage}}{calendar}; } my $calendar=""; - if ($params{type} =~ /month/i) { + if ($params{type} eq 'month') { $calendar=format_month(%params); } - elsif ($params{type} =~ /year/i) { + elsif ($params{type} eq 'year') { $calendar=format_year(%params); } @@ -384,6 +713,22 @@ sub needsbuild (@) { } } } + + return $needsbuild; +} + +sub scan (@) { + my %params=@_; + my $page=$params{page}; + + return unless $config{calendar_autocreate}; + + # Check if year pages have to be generated + if (pagespec_match($page, $config{archive_pagespec})) { + my @ctime = localtime($IkiWiki::pagectime{$page}); + gencalendaryear($ctime[5]+1900); + gencalendarmonth($ctime[5]+1900, $ctime[4]+1); + } } 1