Object
Source handler for creating atom and/or rss feeds.
The mandatory keys that need to be set in a feed file.
Return the rendered feed represented by node.
# File lib/webgen/sourcehandler/feed.rb, line 43 def content(node) website.cache[[:sourcehandler_feed, node.node_info[:src]]] = feed_entries(node).map {|n| n.alcn} block_name = node.node_info[:feed_type] + '_template' if node.node_info[:feed].blocks.has_key?(block_name) node.node_info[:feed].blocks[block_name].render(Webgen::Context.new(:chain => [node])).content else chain = [node.resolve("/templates/#{node.node_info[:feed_type]}_feed.template"), node] node.node_info[:used_nodes] << chain.first.alcn chain.first.node_info[:page].blocks['content'].render(Webgen::Context.new(:chain => chain)).content end end
Create atom and/or rss feed files from path.
# File lib/webgen/sourcehandler/feed.rb, line 18 def create_node(path) page = page_from_path(path) path.meta_info['link'] ||= path.parent_path if MANDATORY_INFOS.any? {|t| path.meta_info[t].nil?} raise Webgen::NodeCreationError.new("At least one of #{MANDATORY_INFOS.join('/')} is missing", self.class.name, path) end create_feed_node = lambda do |type| path.ext = type super(path) do |node| node.node_info[:feed] = page node.node_info[:feed_type] = type end end nodes = [] nodes << create_feed_node['atom'] if path.meta_info['atom'] nodes << create_feed_node['rss'] if path.meta_info['rss'] nodes end
Return the content of an entry of the feed node.
# File lib/webgen/sourcehandler/feed.rb, line 72 def entry_content(node, entry) entry.node_info[:page].blocks[node['content_block_name'] || 'content'].render(Webgen::Context.new(:chain => [entry])).content end
Return the entries for the feed node.
# File lib/webgen/sourcehandler/feed.rb, line 57 def feed_entries(node) nr_items = (node['number_of_entries'].to_i == 0 ? 10 : node['number_of_entries'].to_i) patterns = [node['entries']].flatten.map {|pat| Webgen::Path.make_absolute(node.parent.alcn, pat)} node.tree.node_access[:alcn].values. select {|node| patterns.any? {|pat| node =~ pat} && node.node_info[:page]}. sort {|a,b| a['modified_at'] <=> b['modified_at']}.reverse[0, nr_items] end
Check if the any of the nodes used by this feed node have changed and then mark the node as dirty.
# File lib/webgen/sourcehandler/feed.rb, line 82 def node_changed?(node) return if node.node_info[:processor] != self.class.name entries = node.feed_entries node.flag(:dirty) if entries.map {|n| n.alcn } != website.cache[[:sourcehandler_feed, node.node_info[:src]]] || entries.any? {|n| n.changed?} end
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