Mercurial > prosody-modules
view mod_pubsub_feeds/feeds.lib.lua @ 3571:f5ea0b886c7c
mod_storage_xmlarchive: Limit search to smallest time range in case of inexact match
This should improve performance in case the exact days in the 'start'
and 'end' range are missing from the index.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Fri, 03 May 2019 18:59:38 +0200 |
parents | 649f733aa3dc |
children | c402b273f2e3 |
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local st = require "util.stanza"; -- RSS->Atom translator -- http://code.matthewwild.co.uk/lua-feeds/ -- Helpers to translate item child elements local rss2atom = {}; function rss2atom.title(atom_entry, tag) atom_entry:tag("title"):text(tag:get_text()):up(); end function rss2atom.link(atom_entry, tag) atom_entry:tag("link", { href = tag:get_text() }):up(); end function rss2atom.author(atom_entry, tag) atom_entry:tag("author") :tag("email"):text(tag:get_text()):up() :up(); end function rss2atom.guid(atom_entry, tag) atom_entry:tag("id"):text(tag:get_text()):up(); end function rss2atom.category(atom_entry, tag) atom_entry:tag("category", { term = tag:get_text(), scheme = tag.attr.domain }):up(); end function rss2atom.description(atom_entry, tag) atom_entry:tag("summary"):text(tag:get_text()):up(); end local months = { jan = "01", feb = "02", mar = "03", apr = "04", may = "05", jun = "06"; jul = "07", aug = "08", sep = "09", oct = "10", nov = "11", dec = "12"; }; function rss2atom.pubDate(atom_entry, tag) local pubdate = tag:get_text():gsub("^%a+,", ""):gsub("^%s*", ""); local date, month, year, hour, minute, second, zone = pubdate:match("^(%d%d?) (%a+) (%d+) (%d+):(%d+):?(%d*) ?(.*)$"); if not date then return; end if #date == 1 then date = "0"..date; end month = months[month:sub(1,3):lower()]; if #year == 2 then -- GAH! if tonumber(year) > 80 then year = "19"..year; else year = "20"..year; end end if zone == "UT" or zone == "GMT" then zone = "Z"; end if #second == 0 then second = "00"; end local date_string = string.format("%s-%s-%sT%s:%s:%s%s", year, month, date, hour, minute, second, zone); atom_entry:tag("published"):text(date_string):up(); end -- Translate a single item to atom local function translate_rss(rss_feed) local feed = st.stanza("feed", { xmlns = "http://www.w3.org/2005/Atom" }); local channel = rss_feed:get_child("channel"); -- TODO channel properties for item in channel:childtags("item") do feed:tag("entry"); for tag in item:childtags() do local translator = rss2atom[tag.name]; if translator then translator(feed, tag); end end feed:reset(); end return feed; end return { translate_rss = translate_rss }