add latest date and podcast:guid

code/app.lua

@@ -16,21 +16,24 @@ if string.find(ngx.var.host, "panamaracing.club") then
         name = "Panama Racing Club Archive",
         url = "panamaracing.club",
         css = "panamaracing.css",
-        header = "panamaracing.club_header.png"
+        header = "panamaracing.club_header.png",
+        feed = "panamaracing.club"
     }
 elseif string.find(ngx.var.host, "videohotmix.net") then
     page_titles = {
         name = "Hotmix Video Archive",
         url = "videohotmix.net",
         css = "videohotmix.css",
-        header = "videohotmix.net-logo.png"
+        header = "videohotmix.net-logo.png",
+        feed = "videohotmix"
     }
 elseif string.find(ngx.var.host, "hotmixxx.com") then
     page_titles = {
         name = "Hotmix Video Archive",
         url = "videohotmix.net",
         css = "videohotmix.css",
-        header = "videohotmix.net-logo.png"
+        header = "videohotmix.net-logo.png",
+        feed = "hotmixxx"
     }
 else
     page_titles = {
@@ -49,7 +52,7 @@ app:get("/latest.json", function(self)
     return handlers.Latesthandler(self)
 end)
 
-app:get("/latest.xml", function(self)
+app:get("/latest.rss", function(self)
     self.titles = page_titles
     return handlers.RSShandler(self)
 end)

code/handlers/RSShandler.lua

@@ -7,12 +7,15 @@ local hotmixes = autoload("hotmixes")
 local function RSShandler(self)
 
     local path = config.get().mount .. self.titles.url
-    local latest_path, latest_name = hotmixes.utils.these_latest( path )
+    local latest_path, latest_name, latest_size, latest_date = hotmixes.utils.rss_latest( path )
 
     local host = self.req.parsed_url.scheme .. '://' .. self.req.parsed_url.host
     self.datapath = host .. '/data/' .. self.titles.url .. '/'
     self.latestpath = latest_path
     self.latestname = latest_name
+    self.latestsize = latest_size
+    self.latestdate = latest_date
+    self.datenow = hotmixes.utils.rss_date_now()
 
     return { content_type = "application/rss+xml", layout = require "views.rss" }
 end

code/hotmixes/utils.lua

@@ -26,6 +26,7 @@ local data_path = data_dir .. request_path
 
 local type_image = { jpg=true, jpeg=true, png=true, gif=true }
 local type_media = { mp3=true, flac=true, wav=true, mp4=true }
+local type_audio = { mp3=true, flac=true, wav=true }
 local type_allowed = { jpg=true, jpeg=true, png=true, gif=true, mp3=true, flac=true, wav=true, mp4=true }
 
 local utils =  {}
@@ -60,6 +61,19 @@ utils['latest_files'] = function( directory )
     return t
 end
 
+utils['latest_audio'] = function( directory )
+    local i, t, popen = 0, {}, io.popen
+    local pfile = popen('find -L "'..directory..'" -type f ! -name \'*.filepart\' ! -name \'*.mp4\' ! -name \'*.png\' ! -name \'*.jpg\' ! -name \'*.jpeg\' ! -name \'*.gif\' -printf \'%C@ %p\n\'| sort -nr | head -7 | cut -f2- -d" "| sed s:"'..directory..'/"::')
+    for filename in pfile:lines() do
+        if  utils.match_ext ( filename, type_audio ) then
+            i = i + 1
+            t[i] = filename
+        end
+    end
+    pfile:close()
+    return t
+end
+
 utils['these_files'] = function( path )
     local files, dirs, images = {}, {}, {}
     for file in lfs.dir( path ) do
@@ -120,6 +134,51 @@ utils['these_latest'] = function( path )
     return latest_path, latest_name
 end
 
+
+utils['rss_latest'] = function( path )
+    local latest_path, latest_name, latest_size, latest_date = {}, {}, {}, {}
+
+    for i, file_path in ipairs( utils.latest_audio( path ) ) do
+        local popen = io.popen
+
+        -- get the size of the file
+        local psize = popen('wc -c <'..path..'/'..file_path)
+        for size in psize:lines() do
+            ngx.log(ngx.INFO, size)
+            table.insert( latest_size, size)
+        end
+        psize:close()
+
+        -- get the date of the file
+        local pdate = popen('date -d @$(stat -c "%Y" '..path..'/'..file_path..') "+%a, %-d %b %Y %H:%M:%S %Z"')
+        for date in pdate:lines() do
+            table.insert( latest_date, date )
+        end
+        pdate:close()
+
+        local escpath = hotesc(file_path)
+        table.insert( latest_path, escpath )
+
+        local temp = ""
+        local result = ""
+        for i = file_path:len(), 1, -1 do
+            if file_path:sub(i,i) ~= "/" then
+                temp = temp..file_path:sub(i,i)
+            else
+                break
+            end
+        end
+
+        for j = temp:len(), 1, -1 do
+            result = result..temp:sub(j,j)
+        end
+
+        table.insert( latest_name, result )
+    end
+
+    return latest_path, latest_name, latest_size, latest_date
+end
+
 utils['total_files_dir'] = function( path )
     local i, t, popen = 0, {}, io.popen
     local pfile = popen('find "'..path..'" -type f | wc -l')
@@ -131,4 +190,13 @@ utils['total_files_dir'] = function( path )
     return t
 end
 
+utils['rss_date_now'] = function()
+    local popen = io.popen
+    local pdate = popen('date "+%a, %-d %b %Y %H:%M:%S %Z"')
+    for date in pdate:lines() do
+        return date
+    end
+    pdate:close()
+end
+
 return utils

code/views/rss.etlua

@@ -1,17 +1,38 @@
-<?xml version="1.0" encoding="ISO-8859-1" ?>
+<?xml version="1.0" encoding="UTF-8"?>
-<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+<rss version="2.0"
+    xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd"
+    xmlns:podcast="https://podcastindex.org/namespace/1.0"
+    xmlns:atom="http://www.w3.org/2005/Atom"
+    xmlns:content="http://purl.org/rss/1.0/modules/content/">
 
 <channel>
-    <atom:link href="https://<%= titles['url'] %>/latest.xml" rel="self" type="application/rss+xml" />
+    <atom:link href="https://<%= titles['url'] %>/latest.rss"
+        rel="self" type="application/rss+xml" />
     <title><%= titles['name'] %></title>
     <link>https://<%= titles['url'] %></link>
-    <description>Latest uploads</description>
+    <language>en-us</language>
+    <itunes:author>Intergalactic FM</itunes:author>
+    <itunes:owner>
+        <itunes:name>Intergalactic FM</itunes:name>
+    </itunes:owner>
+    <description>Latest audio uploads on <%= titles['name'] %></description>
+    <itunes:summary>Latest audio uploads on <%= titles['name'] %></itunes:summary>
+    <itunes:explicit>false</itunes:explicit>
+    <itunes:category text="Music">
+        <itunes:category text="Electronic"/>
+    </itunes:category>
+    <itunes:image href="https://intergalactic.fm/themes/custom/ifm/logo.svg"/>
+    <lastBuildDate><%= datenow %></lastBuildDate>
+    <podcast:guid>intergalactic-fm-<%= titles['feed'] %>-feed</podcast:guid>
+
     <% for i, file in ipairs(latestpath) do %>
     <item>
         <title><%= latestname[i] %></title>
-        <link><%= datapath .. file:gsub("#", "%%23") %></link>
+        <enclosure url="<%= datapath .. file %>" length="<%= latestsize[i] %>" type="audio/mpeg"/>
+        <guid><%= datapath .. file %></guid>
+        <pubDate><%= latestdate[i] %></pubDate>
         <description><![CDATA[<%= latestname[i] %>]]></description>
-        <guid><%= datapath .. file:gsub("#", "%%23") %></guid>
+        <itunes:explicit>false</itunes:explicit>
     </item>
     <% end %>
 </channel>