module ::RSS
- # Make an 'unique' ID for a given item, based on appropriate bot options
- # Currently only suppored is bot.config['rss.show_updated']: when true, the
- # description is included in the uid hashing, otherwise it's not
- #
- def RSS.item_uid_for_bot(item, opts={})
- options = { :show_updated => true}.merge(opts)
- desc = nil
- if options[:show_updated]
- desc = item.content.content rescue item.description rescue nil
- end
- [(item.title.content rescue item.title rescue nil),
- (item.link.href rescue item.link),
- desc].hash
- end
-
# Add support for Slashdot namespace in RDF. The code is just an adaptation
# of the DublinCore code.
unless defined?(SLASH_PREFIX)
:default => true,
:desc => "Whether to display links from the text of a feed item.")
+ # Make an 'unique' ID for a given item, based on appropriate bot options
+ # Currently only suppored is bot.config['rss.show_updated']: when false,
+ # only the guid/link is accounted for.
+ #
+ def make_uid(item)
+ uid = [
+ (item.guid.content rescue \
+ item.guid rescue \
+ item.link.href rescue \
+ item.link rescue ''
+ )
+ ]
+ if @bot.config['rss.show_updated']
+ uid.push((item.content.content rescue item.description rescue nil))
+ uid.unshift((item.title.content rescue item.title rescue nil))
+ end
+ uid.hash
+ end
+
+
# We used to save the Mutex with the RssBlob, which was idiotic. And
# since Mutexes dumped in one version might not be resotrable in another,
# we need a few tricks to be able to restore data from other versions of Ruby
# Auxiliary method used to collect two lines for rss output filters,
# running substitutions against DataStream _s_ optionally joined
# with hash _h_
- def make_stream(line1, line2, s, h)
- DataStream.new([line1, line2].compact.join("\n") % s.merge(h))
+ def make_stream(line1, line2, s, h={})
+ ss = s.merge(h)
+ DataStream.new([line1, line2].compact.join("\n") % ss, ss)
end
# Define default RSS filters
line1 << " (by %{author})" if s[:author]
make_stream(line1, nil, s)
}
+
+ # Define an HTML info filter too
+ @bot.register_filter(:rss, :htmlinfo) { |s| htmlinfo_filter(s) }
+
+ # This is the output format used by the input filter
+ @bot.register_filter(:htmlinfo, @outkey) { |s|
+ line1 = "%{title}%{at}%{link}"
+ make_stream(line1, nil, s)
+ }
+ end
+
+ FEED_NS = %r{xmlns.*http://(purl\.org/rss|www.w3c.org/1999/02/22-rdf)}
+ def htmlinfo_filter(s)
+ return nil unless s[:headers] and s[:headers]['x-rbot-location']
+ return nil unless s[:headers]['content-type'].first.match(/xml|rss|atom|rdf/i) or
+ (s[:text].include?("<rdf:RDF") and s[:text].include?("<channel")) or
+ s[:text].include?("<rss") or s[:text].include?("<feed") or
+ s[:text].match(FEED_NS)
+ blob = RssBlob.new(s[:headers]['x-rbot-location'],"", :htmlinfo)
+ unless (fetchRss(blob, nil) and parseRss(blob, nil) rescue nil)
+ debug "#{s.pretty_inspect} is not an RSS feed, despite the appearances"
+ return nil
+ end
+ output = []
+ blob.items.each { |it|
+ output << printFormattedRss(blob, it)[:text]
+ }
+ return {:title => blob.title, :content => output.join(" | ")}
end
# Display the known rss types
if params and handle = params[:handle]
feed = @feeds.fetch(handle.downcase, nil)
if feed
- @bot.timer.reschedule(@watch[feed.handle], 0)
+ @bot.timer.reschedule(@watch[feed.handle], (params[:delay] || 0).to_f)
m.okay if m
else
m.reply _("no such feed %{handle}") % { :handle => handle } if m
otxt = []
# These are used for checking new items vs old ones
- uid_opts = { :show_updated => @bot.config['rss.show_updated'] }
oids = Set.new feed.items.map { |item|
- uid = RSS.item_uid_for_bot(item, uid_opts)
+ uid = make_uid item
otxt << item.to_s
debug [uid, item].inspect
debug [uid, otxt.last].inspect
# debug feed.xml
dispItems = feed.items.reject { |item|
- uid = RSS.item_uid_for_bot(item, uid_opts)
+ uid = make_uid item
txt = item.to_s
if oids.include?(uid)
debug "rejecting old #{uid} #{item.inspect}"
def select_nonempty(*ar)
debug ar
- ret = ar.map { |i| (i && i.empty?) ? nil : i }.compact.first
- (ret && ret.empty?) ? nil : ret
+ ar.each { |i| return i unless i.nil_or_empty? }
+ return nil
end
def printFormattedRss(feed, item, opts=nil)
debug item
places = feed.watchers
- handle = "::#{feed.handle}:: "
+ handle = feed.handle.empty? ? "" : "::#{feed.handle}:: "
date = String.new
if opts
places = opts[:places] if opts.key?(:places)
desc = item.content_encoded.ircify_html(desc_opt)
elsif item.respond_to?(:description) && item.description
desc = item.description.ircify_html(desc_opt)
- else
+ elsif item.respond_to?(:content) && item.content
if item.content.type == "html"
desc = item.content.content.ircify_html(desc_opt)
else
desc = desc.slice(0, desc_opt[:limit]) + "#{Reverse}...#{Reverse}"
end
end
+ else
+ desc = "(?)"
end
link = item.link.href rescue item.link.chomp rescue nil
:title => title, :desc => desc, :link => link,
:category => category, :author => author, :at => at)
+ return output if places.empty?
+
places.each { |loc|
output.to_s.each_line { |line|
@bot.say loc, line, :overlong => :truncate
return nil
end
if rss.respond_to? :channel
- rss.channel.title ||= "Unknown"
+ rss.channel.title ||= "(?)"
title = rss.channel.title
else
title = rss.title.content
end
rss.items.each do |item|
- item.title ||= "Unknown"
+ item.title ||= "(?)"
items << item
end
end
:action => 'unwatch_rss'
plugin.map 'rss rmwatch :handle [in :chan]',
:action => 'unwatch_rss'
-plugin.map 'rss rewatch [:handle]',
+plugin.map 'rss rewatch [:handle] [:delay]',
:action => 'rewatch_rss'
plugin.map 'rss types',
:action => 'rss_types'