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<%
--[[
LuCI - Lua Configuration Interface
Copyright 2012 Manuel Munz <freifunk at somakoma dot de>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
]]--
local sys = require "luci.sys"
local utl = require "luci.util"
local fs = require "luci.fs"
local i18n = require "luci.i18n"
local url = data.url
local title = data.title or i18n.translate("RSS")
local max = tonumber(data.max) or 10
local rss
local pr = data.paddingright or "0"
local output = {}
local width = data.width or "100%"
if type(width) == "number" then
width = width .. "px"
end
local name = data['.name']
local cachetime = tonumber(data.cache) or 3600
cachefile = "/tmp/" .. name .. ".cache"
%>
<div id="<%=name%>" style="width:<%=width%>;float:left">
<div style="padding-right: <%=pr%>">
<h2><%=title%></h2>
<% if not url then %>
<%:No url found in config%>
<% else
local mtime = luci.fs.mtime(cachefile) or 0
local now = os.time()
expire = mtime + cachetime
if not fs.access(cachefile) or expire < now then
rss = sys.httpget(url)
if #rss == 0 then
%>
<%:Could not get rss data from%> <a href="<%=url%>"><%=url%></a>
<%
else
local count = 0
for item in string.gmatch(rss, "<item>(.-)</item>") do
if count < max then
local title = item:match("<title>(.-)</title>")
local link = item:match("<link>(.-)</link>")
local desc = item:match("<description>(.-)</description>") or ""
if title and link then
table.insert(output, { title = utl.pcdata(title), link = utl.pcdata(link) })
end
count = count + 1
end
end
if count > 0 then
local file = io.open(cachefile, "w")
file:write(utl.serialize_data(output))
file:close()
end
end
else
local file = assert(io.open(cachefile))
output = utl.restore_data(file:read'*a')
end
end
if #output > 0 then
%>
<ul>
<% for k, v in ipairs(output) do %>
<li><a href="<%=v.link%>"><%=v.title%></a></li>
<% end %>
</ul>
<%end%>
</div>
</div>
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