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ikiwiki's simple podcasting, while elegant and minimal, doesn't (as
mentioned in [[todo/blogging]]) produce full-featured feeds. In
fancy podcasts, episodes are accompanied by text content. The feeds
also have lots more metadata.
[[!toc]]
## Design
7. For each fancy podcast episode, write a blog post containing
`\[[!meta enclosure="WikiLink/to/media.mp3"]]`. (Don't specify
more than one enclosure -- but if you do, last one wins.)
7. When rendering to HTML (single-page or inlined), append a link
to the media file.
7. When rendering to RSS/Atom, the text is the entry's content and
the media file is its enclosure.
7. Don't break simple podcasts in pursuit of fancy podcasts.
## Implementation
[[!template id=gitbranch branch=schmonz/fancypodcast author="[[schmonz]]"]]
### Completed
* Cover the existing simple podcast behavior with tests.
* Add an `enclosure` field to [[plugins/meta]] that expands the
given [[ikiwiki/WikiLink]] to an absolute URL (feed enclosures
pretty much need to be, and the reference feeds I've looked at
all do this).
* Write failing tests for the desired single-page and inlined
HTML behavior, then make them pass by adding enclosure stanzas
to `{,inline}page.tmpl`.
* Write failing tests for the desired RSS/Atom behavior, then make
them pass, probably via changes to `{atom,rss}item.tmpl` and
[[plugins/inline]].
### Must-have (for [[schmonz]], anyway)
* Enrich podcast feed metadata (some of which is iTunes-specific,
though I'm not aware of it causing any problems for other
podcatchers, and in fact some of them may also use it).
* Subscribe to a fancy feed in some common podcatchers and compare
display details against a reference podcast.
* Compare feature-for-feature and feed-for-feed with
[tru_podcast](http://www.rainskit.com/blog/542/tru_podcast-a-podcasting-plugin-for-textpattern),
which is what [[schmonz]] will be migrating from.
* Think carefully about...
* UTF-8.
* Other templates with `CONTENT` and whether they want to learn
about `ENCLOSURE` (maybe `aggregatepost.tmpl`?).
* Whether [[tips/howto avoid flooding aggregators]] suffices for
migrating a fancy podcast into ikiwiki.
* Verify that the feeds validate.
* Verify that _all_ the tests pass (not just my new ones).
### Nice-to-have
* Let the enclosure's MIME type be specified, in case someone ever
needs to disagree with `File::MimeInfo`.
* Extend [[plugins/inline]] to configurably generate additional
subscription links (such as iTunes) alongside the RSS/Atom ones.
* Verify that [[plugins/more]] plays well with fancy podcasts.
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