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# RSS to HTML converter
# Copyright (C) 2015 Harald Eilertsen
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require 'rss'
require 'open-uri'
require 'erb'
require 'date'
module Rss2Html
class Feed
attr_reader :title, :url
def initialize(args)
@title = args.delete('title')
@url = args.delete('url')
@feed_header = load_template('feed_header.html.erb')
@feed_footer = load_template('feed_footer.html.erb')
@item_template = load_template('item.html.erb')
end
def fetch
open(@url) do |rss|
feed = RSS::Parser.parse(rss)
feed.entries.each do |item|
yield item
end
end
end
def render
feed = self
output = @feed_header.result(binding)
fetch do |entry|
item = FeedItem.new(entry)
output += @item_template.result(binding)
end
output += @feed_footer.result(binding)
end
private
def load_template(t)
view_path = File.join(File.dirname(__FILE__), 'views')
ERB.new(IO.read(File.join(view_path, t)))
end
def pretty_date(d)
d.to_date
end
def pretty_url(u)
u.hostname.gsub(/www\./, '')
end
end
end
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