119 lines
3.7 KiB
Rust
119 lines
3.7 KiB
Rust
use crate::entries::Entry;
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pub fn render_page(site_title: &str, site_url: &str, entries: &[Entry], form_html: &str) -> String {
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let nav_url = site_url.trim_end_matches('/');
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let mut html = format!(
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r#"<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>{site_title}</title>
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<link rel="stylesheet" href="/style.css">
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</head>
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<body>
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<nav>
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<a href="{nav_url}/">{site_title}</a> |
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<a href="{nav_url}/links/">links</a> |
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<a href="{nav_url}/now/">now</a> |
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sign the <a href="/">guestbook</a>
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</nav>
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<h1>guestbook</h1>
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<p>If you visited my site, please sign my guestbook!</p>
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{form_html}
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"#
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);
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for entry in entries {
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html.push_str(&render_entry(entry));
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}
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html.push_str("</body>\n</html>\n");
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html
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}
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fn render_entry(entry: &Entry) -> String {
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let mut header = format!(" <div class=\"entry\">\n <p>{} - <b>{}</b>", entry.meta.date, entry.meta.name);
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if !entry.meta.website.is_empty() {
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header.push_str(&format!(
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" (<a href=\"{}\">{}</a>)",
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entry.meta.website, entry.meta.website
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));
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}
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header.push_str("</p>\n");
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format!("{header} {}\n </div>\n", entry.body)
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}
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pub const FORM_HTML: &str = r#" <form method="post" action="/submit">
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<input name="name" placeholder="name" required>
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<input name="website" placeholder="website (optional)">
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<textarea name="message" placeholder="message" required></textarea>
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<input name="url" style="display:none" tabindex="-1" autocomplete="off">
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<button type="submit">sign</button>
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</form>"#;
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pub const STYLE_CSS: &str = "body {
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max-width: 70ch;
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line-height: 1.5;
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margin: 0 auto;
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padding: 1rem;
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}
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";
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::entries::{Entry, EntryMeta, Status};
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fn make_entry(name: &str, date: &str, body: &str) -> Entry {
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Entry {
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id: "test".into(),
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meta: EntryMeta {
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name: name.into(),
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date: date.into(),
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website: String::new(),
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status: Status::Approved,
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},
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body: body.into(),
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}
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}
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#[test]
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fn test_render_page_contains_nav() {
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let html = render_page("ily.rs", "https://ily.rs", &[], FORM_HTML);
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assert!(html.contains(r#"<a href="https://ily.rs/">ily.rs</a>"#));
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assert!(html.contains(r#"<a href="https://ily.rs/links/">links</a>"#));
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}
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#[test]
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fn test_render_page_contains_form() {
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let html = render_page("ily.rs", "https://ily.rs", &[], FORM_HTML);
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assert!(html.contains(r#"action="/submit""#));
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assert!(html.contains(r#"style="display:none""#)); // honeypot
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}
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#[test]
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fn test_render_entry_no_website() {
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let entry = make_entry("alice", "2026-04-09", "Hello!");
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let html = render_page("ily.rs", "https://ily.rs", &[entry], FORM_HTML);
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assert!(html.contains("<b>alice</b>"));
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assert!(html.contains("Hello!"));
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assert!(!html.contains("<hr"));
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}
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#[test]
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fn test_render_entry_with_website() {
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let mut entry = make_entry("bob", "2026-04-09", "Hi!");
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entry.meta.website = "https://bob.com".into();
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let html = render_page("ily.rs", "https://ily.rs", &[entry], FORM_HTML);
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assert!(html.contains(r#"<a href="https://bob.com">"#));
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}
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#[test]
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fn test_render_preserves_html_in_body() {
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let entry = make_entry("carol", "2026-04-09", "<b>Bold</b> <script>alert(1)</script>");
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let html = render_page("ily.rs", "https://ily.rs", &[entry], FORM_HTML);
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assert!(html.contains("<b>Bold</b>"));
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assert!(html.contains("<script>alert(1)</script>"));
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}
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}
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