1 use std::borrow::Cow;
2 use std::collections::HashSet;
3 use std::hash::{Hash, Hasher};
4
5 use serde_derive::Serialize;
6
7 use config::Config;
8 use library::{Library, Taxonomy};
9 use std::cmp::Ordering;
10 use tera::{Map, Value};
11
12 /// The sitemap only needs links, potentially date and extra for pages in case of updates
13 /// for examples so we trim down all entries to only that
14 #[derive(Debug, Serialize)]
15 pub struct SitemapEntry<'a> {
16 pub permalink: Cow<'a, str>,
17 pub updated: Option<String>,
18 pub extra: Option<&'a Map<String, Value>>,
19 }
20
21 // Hash/Eq is not implemented for tera::Map but in our case we only care about the permalink
22 // when comparing/hashing so we implement it manually
23 impl<'a> Hash for SitemapEntry<'a> {
hash<H: Hasher>(&self, state: &mut H)24 fn hash<H: Hasher>(&self, state: &mut H) {
25 self.permalink.hash(state);
26 }
27 }
28 impl<'a> PartialEq for SitemapEntry<'a> {
eq(&self, other: &SitemapEntry) -> bool29 fn eq(&self, other: &SitemapEntry) -> bool {
30 self.permalink == other.permalink
31 }
32 }
33 impl<'a> Eq for SitemapEntry<'a> {}
34
35 impl<'a> SitemapEntry<'a> {
new(permalink: Cow<'a, str>, updated: Option<String>) -> Self36 pub fn new(permalink: Cow<'a, str>, updated: Option<String>) -> Self {
37 SitemapEntry { permalink, updated, extra: None }
38 }
39
add_extra(&mut self, extra: &'a Map<String, Value>)40 pub fn add_extra(&mut self, extra: &'a Map<String, Value>) {
41 self.extra = Some(extra);
42 }
43 }
44
45 impl<'a> PartialOrd for SitemapEntry<'a> {
partial_cmp(&self, other: &SitemapEntry) -> Option<Ordering>46 fn partial_cmp(&self, other: &SitemapEntry) -> Option<Ordering> {
47 Some(self.permalink.as_ref().cmp(other.permalink.as_ref()))
48 }
49 }
50
51 impl<'a> Ord for SitemapEntry<'a> {
cmp(&self, other: &SitemapEntry) -> Ordering52 fn cmp(&self, other: &SitemapEntry) -> Ordering {
53 self.permalink.as_ref().cmp(other.permalink.as_ref())
54 }
55 }
56
57 /// Finds out all the links to put in a sitemap from the pages/sections/taxonomies
58 /// There are no duplicate permalinks in the output vec
find_entries<'a>( library: &'a Library, taxonomies: &'a [Taxonomy], config: &'a Config, ) -> Vec<SitemapEntry<'a>>59 pub fn find_entries<'a>(
60 library: &'a Library,
61 taxonomies: &'a [Taxonomy],
62 config: &'a Config,
63 ) -> Vec<SitemapEntry<'a>> {
64 let pages = library
65 .pages_values()
66 .iter()
67 .map(|p| {
68 let mut entry = SitemapEntry::new(
69 Cow::Borrowed(&p.permalink),
70 p.meta.updated.clone().or_else(|| p.meta.date.clone()),
71 );
72 entry.add_extra(&p.meta.extra);
73 entry
74 })
75 .collect::<Vec<_>>();
76
77 let mut sections = library
78 .sections_values()
79 .iter()
80 .filter(|s| s.meta.render)
81 .map(|s| {
82 let mut entry = SitemapEntry::new(Cow::Borrowed(&s.permalink), None);
83 entry.add_extra(&s.meta.extra);
84 entry
85 })
86 .collect::<Vec<_>>();
87
88 for section in library.sections_values().iter() {
89 if let Some(paginate_by) = section.paginate_by() {
90 let number_pagers = (section.pages.len() as f64 / paginate_by as f64).ceil() as isize;
91 for i in 1..=number_pagers {
92 let permalink =
93 format!("{}{}/{}/", section.permalink, section.meta.paginate_path, i);
94 sections.push(SitemapEntry::new(Cow::Owned(permalink), None))
95 }
96 }
97 }
98
99 let mut taxonomies_entries = vec![];
100 for taxonomy in taxonomies {
101 let name = &taxonomy.kind.name;
102 let mut terms = vec![SitemapEntry::new(Cow::Owned(config.make_permalink(name)), None)];
103 for item in &taxonomy.items {
104 terms.push(SitemapEntry::new(
105 Cow::Owned(config.make_permalink(&format!("{}/{}", name, item.slug))),
106 None,
107 ));
108
109 if taxonomy.kind.is_paginated() {
110 let number_pagers = (item.pages.len() as f64
111 / taxonomy.kind.paginate_by.unwrap() as f64)
112 .ceil() as isize;
113 for i in 1..=number_pagers {
114 let permalink = config.make_permalink(&format!(
115 "{}/{}/{}/{}",
116 name,
117 item.slug,
118 taxonomy.kind.paginate_path(),
119 i
120 ));
121 terms.push(SitemapEntry::new(Cow::Owned(permalink), None))
122 }
123 }
124 }
125
126 taxonomies_entries.push(terms);
127 }
128
129 let mut all_sitemap_entries = HashSet::new();
130 for p in pages {
131 all_sitemap_entries.insert(p);
132 }
133 for s in sections {
134 all_sitemap_entries.insert(s);
135 }
136 for terms in taxonomies_entries {
137 for term in terms {
138 all_sitemap_entries.insert(term);
139 }
140 }
141
142 let mut entries = all_sitemap_entries.into_iter().collect::<Vec<_>>();
143 entries.sort();
144 entries
145 }
146