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Here is a patch that makes [[ikiwiki-calendar]] almost useless.
> [[merged|done]], thanks! --[[smcv]]
It adds some options, the main one being `calendar_autocreate`, which is
similar to the `tag_autocreate` option of the [[tag|plugins/tag]]: it create
archive pages when needed.
The documentation is updated as well (but as a non-native English speaker, I
won't be offended if you correct stuff you consider awkward):
- [[plugin|https://github.com/paternal/ikiwiki/blob/calendar-autocreate/doc/plugins/calendar.mdwn]]
- [[directive|https://github.com/paternal/ikiwiki/blob/calendar-autocreate/doc/ikiwiki/directive/calendar.mdwn]]
[[!tag patch]]
[[!template id=gitbranch branch=spalax/calendar-autocreate browse="https://github.com/paternal/ikiwiki/tree/calendar-autocreate" author="[[Louis|spalax]]"]]
--[[Louis|spalax]]
> An attempt at a review (although note that I don't have commit access,
> so my opinion is not final):
>
> Should `calendar_autocreate_commit` really default to 1? I would personally
> expect that any new features that synthesize new pages should not commit
> them by default - I'd prefer to avoid cluttering git history with generated
> pages. (Indeed, should the option even exist?)
>
> > I copied those options from the [[plugins/tag]] plugin: the
> > `tag_autocreate_commit` option exists and default to 1.
> >
> > It should definitely exists: suppose a calendar page is created and not
> > commited, and later, someone tries to push some changes where a page with
> > the same name has been created. This would result in a conflict. The
> > `calendar_autocreate_commit` prevents this.
>
> > > `tag_autocreate_commit` exists because when tag autocreation
> > > was introduced, they were always in the `$srcdir` and committed.
> > > I changed it so that it was possible to put them in the [[plugins/transient]]
> > > underlay and not commit them. It defaults to 1 to preserve existing
> > > functionality.
> > >
> > > When automatic tag pages (or autoindex pages) are not committed, they
> > > go in the transient underlay, which means they can't cause conflicts:
> > > independent page creation will simply mask them (a page in the
> > > `$srcdir` hides a page of the same name in an underlay). I thought
> > > this implementation did the same when not committing? --[[smcv]]
>
> > > > I did not realize how easy it was to use the [[plugins/transient]]
> > > > plugin! I [[took it into
> > > > account|https://github.com/paternal/ikiwiki/commit/492a22ac75f8b41a427a98c44525b01a6fd181b5]].
> > > > -- [[Louis|spalax]]
>
> I'd personally do the conditional in gencalendaryear more like:
>
> [[!format perl """
return unless $config{calendar_autocreate};
"""]]
>
> to reduce the indentation depth of the more interesting code.
>
> > [[I agree|https://github.com/paternal/ikiwiki/commit/7f18c1ce48630507b744fa56b83999e8ca684606]]
>
> The recursion to generate missing years:
>
> [[!format perl """
if (not exists $wikistate{calendar}{minyear}) {
$wikistate{calendar}{minyear} = $year;
} elsif ($wikistate{calendar}{minyear} > $year) {
gencalendaryear($year + 1);
$wikistate{calendar}{minyear} -= 1;
}
"""]]
>
> does seem to be correct on closer examination, but it took me a while
> to work out that it would actually do the right thing by recursing:
>
> * generate 2005
> * recurse to generate 2006
> * recurse to generate 2007
> * recurse to generate 2008
> * recurse to generate 2009
> * recurse to try to generate 2010 (no effect)
> * minyear = minyear - 1 = 2010 - 1 = 2009
> * minyear = minyear - 1 = 2009 - 1 = 2008
> * minyear = minyear - 1 = 2008 - 1 = 2007
> * minyear = minyear - 1 = 2007 - 1 = 2006
> * minyear = minyear - 1 = 2006 - 1 = 2005
>
> I think it might be clearer (as well as less
> recursion-happy) to use iteration:
>
> * generate 2005
> * recurse to generate 2006
> * ...
> * recurse to generate 2009
> * minyear = 2005
>
> something like this:
>
> [[!format perl """
sub gencalendaryear {
my $year = shift;
my %params = @_;
...
# generate this year
...
# Filling potential gaps in years [...] years 2006 to 2009.
return if $params{norecurse};
if (not exists $wikistate{calendar}{minyear}) {
$wikistate{calendar}{minyear} = $year;
} elsif ($wikistate{calendar}{minyear} > $year) {
foreach my $other ($year + 1 .. $wikistate{calendar}{minyear} - 1) {
gencalendar($year, norecurse => 1);
}
$wikistate{calendar}{minyear} = $year;
}
# ... and the opposite for maxyear
}
"""]]
>
>
> > [[I agree|https://github.com/paternal/ikiwiki/commit/7f18c1ce48630507b744fa56b83999e8ca684606]]
>
> I'm not sure about generating missing years at all, though: if the
> generation is entirely dynamic, and there were no posts at all during
> a particular year (or month for that matter), shouldn't we just skip
> the year/month? That seems to be what e.g. Wordpress does.
>
> > [[Done|https://github.com/paternal/ikiwiki/commit/59b46942e01b32138d056381249effbbaf773892]].
> > I added an option `calendar_fill_gaps` to chose between the two
> > alternatives (since skipping empty months and years would change the
> > default behaviour of this plugin).
> >
> > I think the code is a bit ugly at some places. Perl is not one the the
> > programming languages I am fluent into. Sorry.
> >
> > PS: Good idea, thought. I now have to implement a similar thing for
> > [[plugins/contrib/jscalendar]].
>
> This piece of ikiwiki-calendar functionality is lost:
>
> [[!format diff """
- ... It also refreshes the wiki, updating the calendars to
-highlight the current day. This command is typically run at midnight from
-cron.
"""]]
>
> If I understand correctly, the highlight will be on the day at which
> the wiki was last refreshed, which seems arbitrary and confusing.
> If ikiwiki-calendar is not used, I'd say there should just not be a
> highlight for today (although I'm not sure how best to implement that -
> perhaps a config option representing "I am going to use ikiwiki-calendar").
>
> > This is not lost. What ikiwiki-calendar do is simply: build the missing
> > `archive/year/month` pages, and run `ikiwiki -refresh`. With my patch, the
> > `ikiwiki -refresh` includes:
> >
> > - the build of missing `archive/year/month` pages;
> > - highlighting the current day (this was already the case).
> >
> > So one can simply drop the `ikiwiki-calendar ...` for `ikiwiki --refresh
> > ...` in cron to get the same result.
> >
> > I
> > [[tried|https://github.com/paternal/ikiwiki/commit/7a92444e56fe023cea3b074dc5e6b5c4acdb6114]]
> > to make the documentation clearer.
>
> [[!format diff """
-\[[!template id=plugin name=calendar author="\[[ManojSrivastava]]"]]
-\[[!tag type/widget]]
"""]]
>
> Why did you remove that? It's useful information about the plugin
> which I think ought to stay.
>
> > Oops! It was a mistake.
> > [[Corrected|https://github.com/paternal/ikiwiki/commit/de9842ecc8914e11e73148dae78cd6909b535262]].
>
> --[[smcv]]
>
> > Thank you for this review. -- [[Louis|spalax]]
---
[[smcv]], can you please go on reviewing this?
> I don't think I'm really the reviewer you want, since I don't have commit
> access (as you might be able to tell from the number of pending branches
> I have)... but nobody with commit access seems to be available to do
> reviews at the moment, so I'm probably the best you're going to get.
>
> + 0 0 * * * ikiwiki ~/ikiwiki.setup --refresh
>
> I think that should be `ikiwiki --setup ~/ikiwiki.setup --refresh`
>
> > [[Corrected|https://github.com/paternal/ikiwiki/commit/213dad76d47bab9db8e44d6e20c8371960375e77]]
>
> The indentation of some of the new code in `IkiWiki/Plugin/calendar.pm`
> is weird. Please use one hard tab (U+0009) per indent step: you seem
> to have used a mixture of one hard tab per indent or two spaces
> per indent, which looks bizarre for anyone whose tab size is not
> 2 spaces.
>
> > [[Corrected|https://github.com/paternal/ikiwiki/commit/1d97160dae775c31e166d9886472dacdd773d571]]
>
> + return unless $config{calendar_autocreate};
>
> This is checked in `gencalendaryear` but not in `gencalendarmonth`.
> Shouldn't `gencalendarmonth` do it too? Alternatively, do the check
> in `scan`, which calls `gencalendarmonth` directly.
>
> > Once again, [[you are right|https://github.com/paternal/ikiwiki/commit/473bcbe7a42a4168cab82ed12185817248de045f]]
>
> + my $year = $date[5] + 1900;
>
> You calculate this, but you don't seem to do anything with it?
>
> > [[Corrected|https://github.com/paternal/ikiwiki/commit/d0b34951240317642543351ec62f98d3d8df8c0f]]
>
> + if (not exists $changed{$params{year}}) {
> + $changed{$params{year}} = ();
> + }
> + $changed{$params{year}}{$params{month}} = 1;
>
> `$changed{$params{year}}` is a scalar (you can tell because it starts with the
> `$` sigil) but `()` is a list. I think you want `{}`
> (a scalar that is a reference to an empty anonymous hash).
>
> However, that whole `if` block can be omitted, and you can just use
> `$changed{$params{year}}{$params{month}} = 1;`, because Perl will automatically
> create `$changed{$params{year}}` as a reference to an empty hash if necessary,
> in order to put the pair `$params{month} => 1` in it (the term to look
> up if you're curious is "autovivification").
>
> > [[Corrected|https://github.com/paternal/ikiwiki/commit/d0b34951240317642543351ec62f98d3d8df8c0f]]
>
> --[[smcv]]
>
> > Thank you for your review.
> > --[[Louis|spalax]]
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