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Add style sheet to feed
continuous-integration/drone/pr Build is passing Details
continuous-integration/drone/push Build encountered an error Details 

This makes it easier in a browser to use and understand the feed.

The style sheet is shamelessly copied from
https://andrewstiefel.com/style-atom-xsl/

Closes #4

Signed-off-by: Jacob Kiers <jacob@jacobkiers.net>
This commit is contained in:
Jacob Kiers 2022-11-29 23:55:54 +01:00
parent 4599ce47fb
commit 60362ff7c2
2 changed files with 88 additions and 5 deletions
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77
resources/feed.xsl Normal file
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@ -0,0 +1,77 @@
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:atom="http://www.w3.org/2005/Atom"
exclude-result-prefixes="atom"
>
<xsl:output method="html" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:template match="/">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
<title>Web Feed • <xsl:value-of select="atom:feed/atom:title"/></title>
<style type="text/css">
body{max-width:768px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:16px;line-height:1.5em}section{margin:30px 15px}h1{font-size:2em;margin:.67em 0;line-height:1.125em}h2{border-bottom:1px solid #eaecef;padding-bottom:.3em}.alert{background:#fff5b1;padding:4px 12px;margin:0 -12px}a{text-decoration:none}.entry h3{margin-bottom:0}.entry p{margin:4px 0}
</style>
</head>
<body>
<section>
<div class="alert">
<p><strong>This is a web feed</strong>, also known as an RSS feed. <strong>Subscribe</strong> by copying the URL from the address bar into your newsreader app.</p>
</div>
</section>
<section>
<xsl:apply-templates select="atom:feed" />
</section>
<section>
<h2>Recent Items</h2>
<xsl:apply-templates select="atom:feed/atom:entry" />
</section>
</body>
</html>
</xsl:template>
<xsl:template match="atom:feed">
<h1><xsl:value-of select="atom:title"/>'s Web Feed Preview</h1>
<p>This RSS feed provides the latest posts from <xsl:value-of select="atom:title"/>'s blog.
<a class="head_link" target="_blank">
<xsl:attribute name="href">
<xsl:value-of select="atom:link[@rel='alternate']/@href"/>
</xsl:attribute>
Visit Website &#x2192;
</a>
</p>
<h2>What is an RSS feed?</h2>
<p>An RSS feed is a data format that contains the latest content from a website, blog, or podcast. You can use feeds to <strong>subscribe</strong> to websites and get the <strong>latest content in one place</strong>.</p>
<ul>
<li><strong>Feeds put you in control.</strong> Unlike social media apps, there is no algorithm deciding what you see or read. You always get the latest content from the creators you care about.</li>
<li><strong>Feed are private by design.</strong> No one owns web feeds, so no one is harvesting your personal information and profiting by selling it to advertisers.</li>
<li><strong>Feeds are spam-proof.</strong> Had enough? Easy, just unsubscribe from the feed.</li>
</ul>
<p>All you need to do to get started is to add the URL (web address) for this feed to a special app called a newsreader. Visit <a href="https://aboutfeeds.com/">About Feeds</a> to get started with newsreaders and subscribing. It’s free. </p>
</xsl:template>
<xsl:template match="atom:entry">
<div class="entry">
<h3>
<a target="_blank">
<xsl:attribute name="href">
<xsl:value-of select="atom:id"/>
</xsl:attribute>
<xsl:value-of select="atom:title"/>
</a>
</h3>
<p>
<xsl:value-of select="atom:summary" disable-output-escaping="yes" />
</p>
<small>
Published: <xsl:value-of select="atom:updated" />
</small>
</div>
</xsl:template>
</xsl:stylesheet>

16
src/main.rs
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@ -21,6 +21,7 @@ use std::{
pub(crate) use message::Message;
const INDEX_HTML: & 'static str = include_str!("../resources/index.html");
const FEED_STYLESHEET: & 'static str = include_str!("../resources/feed.xsl");
fn main() -> Result<(), Box<dyn Error>> {
let cli = cli::Cli::parse();
@ -101,17 +102,22 @@ fn build_feed(filename: &PathBuf, hostname: String, include_html: bool) -> Resul
write_file(&path, processed_html.as_bytes())?;
}
// Ugly hack, but I don't know how to do this better...
let file_name = format!("{:?}", filename.file_name().unwrap()).replace('"', "");
write_file(dir.join("index.html"), INDEX_HTML.replace("{FEED}", file_name.as_str()))?;
feed::add_entry_to_feed(&mut feed, &msg, &processed_html, &hostname, include_html);
}
if feed.entries.len() > 0 {
feed.set_updated(Utc::now());
println!("Writing feed to {}", filename.display());
let _ = feed.write_to(File::create(filename).unwrap());
// TODO: Ugly hack because atom_syndication crate does not support style sheets.
let feed_str = feed.to_string().as_str().replace(">\n<feed", ">\n<?xml-stylesheet href=\"feed.xsl\" type=\"text/xsl\"?>\n<feed");
let _ = write_file(filename, feed_str)?;
let _ = write_file(dir.join("feed.xsl"), FEED_STYLESHEET)?;
// Another ugly hack, but I don't know how to do this better...
let file_name = format!("{:?}", filename.file_name().unwrap()).replace('"', "");
write_file(dir.join("index.html"), INDEX_HTML.replace("{FEED}", file_name.as_str()))?;
}
println!("Finished building the feed.");