Hippo

Hippo will be a new Horde 4, PHP 5 application that aggregates content. It will initially be written to aggregate feeds, both internal from Jonah natively, and external (through Horde_Feed). Hippo will work with Horde_Content types and have Input and Output classes. Input classes will allow reading a content type, such as Horde_Feed feeds, Jonah internal feeds, comics, etc. Output classes will allow outputting a "remixed" feed from one or more inputs (such as combining an RSS feed with a few comics into a daily feed).

Bugs

Horde_Feed improvements to suport Hippo:

Source

Hippo is being developed in the Horde hatchery

People

ChuckHagenbuch is working on Hippo. MikeNaberezny may be interested in Hippo.

Description

Horde_Cache will be used to cache content that isn't stored directly
Some content types such as comics might include code to fetch and store themselves locally; we might decide that Horde_Feed external feeds should be fetched into a local content table also
This application should be able to provide the backend for Planet Horde (http://planet.horde.org/)
Fields to aggregate for feeds: title, url, uid, summary, content if any, content-type for content, date
During Hippo runs, Horde_Log will be used for logging
There will be the ability to run filters on Hippo_Input plugins. For instance, if a certain feed has the same junk in every entry, a filter could be attached to the Hippo_Input for that feed that would strip it out. Generic (regex-type) filters should be configurable via the UI; it should be possible to configure any kind of filter in a config file or separate input plugin class.
This application should eventually be able to replace Klutz
Additional possible content types include podcasts, content from other Horde applications (iCalendar data from Kronolith), "friend information (http://hasin.wordpress.com/2008/05/31/building-friendfeed-using-php-part-1/, http://hasin.wordpress.com/2008/06/03/building-services-like-friendfeed-using-php-part2/), etc.
Hippo will be able to provide read/write "data folders" to IMP 5 (or other folder-browsing applications). This will allow feed reading from within IMP. Other possible data folder providers are Nag and Whups.
Must support PubSubHubbub (http://code.google.com/p/pubsubhubbub/, http://adsenseforfeeds.blogspot.com/2009/07/whats-all-hubbub-about-pubsubhubbub.html)

GUID detection:

if (isset($item['guid'])) {
    $guid = $item['guid'];
} elseif (isset($item['id'])) {
    $guid = $item['id'];
    $item['guid'] = $item['id'];
} else {
    $guid = $item['link'];
    $item['guid'] = $item['link'];
}

Stats to keep:

stats for when a feed was last updated
when you last read something from it
when you last flagged something from it

Changes from Klutz for comics driver

"try to fetch this comic" gives a blank page, though it works
- make "try to fetch this comic" links inline ajax calls

UI updates

default to the previous day's comics if today's haven't fetched yet

have a back-fill mode for fetch? http://example.org/horde/klutz/index.php?actionID=day&date=1217995200
- have the capability, just need to have it in the command-line script

- put the various fetch, rebuild sums, cleanup tasks into API calls.
- use those api calls in backend.php and rename backend.php to some more reasonable admin script
- better error reporting throughout the drivers and backend.php code
- feeds of specified comic sets
- tags? so, political cartoons, sometimes funny, always funny..

Keyboard nav:

As a source of feeds

Dave Winer has some ideas on loosely-coupled publishing tools that are interesting and may match with some of the Hydra/Hippo/Hound set of apps:

Resources

UI Ideas

Article skimmer

Mobile

http://www.readwriteweb.com/archives/check_out_this_awesome_rss_reader_for_windows_phone_7.php

Other

YQL - super data source

Semantic data sources

Feed sources

NYTimes data source

Video sources

http://www.hulu.com/feed

Vanity feeds

Allow one-step creation of de-duped searches on these and other sources

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