No clone when rendering rss feed
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f100d956c6
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14560f224e
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@ -26,4 +26,4 @@ mod sorting;
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pub use file_info::FileInfo;
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pub use page::Page;
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pub use section::Section;
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pub use sorting::{sort_pages, populate_siblings};
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pub use sorting::{sort_pages, populate_siblings, sort_pages_by_date};
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@ -5,6 +5,21 @@ use rayon::prelude::*;
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use page::Page;
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use front_matter::SortBy;
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/// The comparison function of sorting pages by day
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/// Used by the RSS rendering
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/// To remove if `sort_pages` is changed to work on borrowed values
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/// This cannot be used in `sort_pages` currently as it takes &&Page instead of &Page
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pub fn sort_pages_by_date(a: &&Page, b: &&Page) -> Ordering {
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let ord = b.meta.date().unwrap().cmp(&a.meta.date().unwrap());
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if ord == Ordering::Equal {
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a.permalink.cmp(&b.permalink)
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} else {
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ord
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}
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}
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/// Sort pages by the given criteria
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///
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/// Any pages that doesn't have a required field when the sorting method is other than none
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@ -309,7 +309,7 @@ pub fn after_template_change(site: &mut Site, path: &Path) -> Result<()> {
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match filename {
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"sitemap.xml" => site.render_sitemap(),
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"rss.xml" => site.render_rss_feed(None, None),
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"rss.xml" => site.render_rss_feed(site.pages.values().collect(), None),
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"robots.txt" => site.render_robots(),
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"single.html" | "list.html" => site.render_taxonomies(),
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"page.html" => {
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@ -22,7 +22,7 @@ fn setup_site(name: &str) -> Site {
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#[bench]
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fn bench_render_aliases(b: &mut test::Bencher) {
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let mut site = setup_site("small-blog");
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let mut site = setup_site("big-blog");
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let tmp_dir = tempdir().expect("create temp dir");
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let public = &tmp_dir.path().join("public");
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site.set_output_path(&public);
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@ -31,7 +31,7 @@ fn bench_render_aliases(b: &mut test::Bencher) {
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#[bench]
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fn bench_render_sitemap(b: &mut test::Bencher) {
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let mut site = setup_site("small-blog");
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let mut site = setup_site("big-blog");
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let tmp_dir = tempdir().expect("create temp dir");
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let public = &tmp_dir.path().join("public");
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site.set_output_path(&public);
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@ -40,11 +40,11 @@ fn bench_render_sitemap(b: &mut test::Bencher) {
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#[bench]
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fn bench_render_rss_feed(b: &mut test::Bencher) {
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let mut site = setup_site("small-blog");
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let mut site = setup_site("big-blog");
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let tmp_dir = tempdir().expect("create temp dir");
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let public = &tmp_dir.path().join("public");
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site.set_output_path(&public);
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b.iter(|| site.render_rss_feed(None, None).unwrap());
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b.iter(|| site.render_rss_feed(site.pages.values().collect(), None).unwrap());
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}
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#[bench]
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@ -36,9 +36,9 @@ use config::{Config, get_config};
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use utils::fs::{create_file, copy_directory, create_directory, ensure_directory_exists};
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use utils::templates::{render_template, rewrite_theme_paths};
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use utils::net::get_available_port;
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use content::{Page, Section, populate_siblings, sort_pages};
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use content::{Page, Section, populate_siblings, sort_pages, sort_pages_by_date};
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use templates::{GUTENBERG_TERA, global_fns, render_redirect_template};
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use front_matter::{SortBy, InsertAnchor};
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use front_matter::{InsertAnchor};
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use taxonomies::{Taxonomy, find_taxonomies};
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use pagination::Paginator;
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@ -515,7 +515,7 @@ impl Site {
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self.render_orphan_pages()?;
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self.render_sitemap()?;
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if self.config.generate_rss {
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self.render_rss_feed(None, None)?;
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self.render_rss_feed(self.pages.values().collect(), None)?;
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}
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self.render_404()?;
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self.render_robots()?;
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@ -695,9 +695,8 @@ impl Site {
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.par_iter()
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.map(|item| {
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if taxonomy.kind.rss {
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// TODO: can we get rid of `clone()`?
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self.render_rss_feed(
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Some(item.pages.clone()),
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item.pages.iter().map(|p| p).collect(),
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Some(&PathBuf::from(format!("{}/{}", taxonomy.kind.name, item.slug))),
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)?;
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}
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@ -769,27 +768,25 @@ impl Site {
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/// Renders a RSS feed for the given path and at the given path
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/// If both arguments are `None`, it will render only the RSS feed for the whole
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/// site at the root folder.
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pub fn render_rss_feed(&self, all_pages: Option<Vec<Page>>, base_path: Option<&PathBuf>) -> Result<()> {
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pub fn render_rss_feed(&self, all_pages: Vec<&Page>, base_path: Option<&PathBuf>) -> Result<()> {
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ensure_directory_exists(&self.output_path)?;
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let mut context = Context::new();
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let pages = all_pages
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// TODO: avoid that cloned().
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// It requires having `sort_pages` take references of Page
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.unwrap_or_else(|| self.pages.values().cloned().collect::<Vec<_>>())
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let mut pages = all_pages
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.into_iter()
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.filter(|p| p.meta.date.is_some() && !p.is_draft())
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.collect::<Vec<_>>();
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pages.par_sort_unstable_by(sort_pages_by_date);
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// Don't generate a RSS feed if none of the pages has a date
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if pages.is_empty() {
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return Ok(());
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}
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let (sorted_pages, _) = sort_pages(pages, SortBy::Date);
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context.insert("last_build_date", &sorted_pages[0].meta.date.clone().map(|d| d.to_string()));
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context.insert("last_build_date", &pages[0].meta.date.clone().map(|d| d.to_string()));
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// limit to the last n elements
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context.insert("pages", &sorted_pages.iter().take(self.config.rss_limit).collect::<Vec<_>>());
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context.insert("pages", &pages.iter().take(self.config.rss_limit).collect::<Vec<_>>());
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context.insert("config", &self.config);
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let rss_feed_url = if let Some(ref base) = base_path {
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