1use chrono::NaiveDate;
 2use regex::Regex;
 3use rust_embed::RustEmbed;
 4use sailfish::TemplateOnce;
 5use std::cmp::{Eq, Ord, PartialEq, PartialOrd};
 6use std::str;
 7
 8const BLOG_REGEX: &str = r"(?P<date>[\d]{4}-[\d]{2}-[\d]{2})(?P<title>[a-zA-Z0-9-_]*)";
 9
10#[derive(RustEmbed)]
11#[folder = "content/posts/"]
12struct PostAsset;
13
14#[derive(TemplateOnce)]
15#[template(path = "index.html")]
16struct IndexTemplate {
17    posts: Vec<BlogEntry>,
18}
19
20#[derive(TemplateOnce)]
21#[template(path = "post.html")]
22struct PostTemplate {
23    content: String,
24    title: String,
25    date: String,
26}
27
28#[derive(PartialEq, Eq, PartialOrd, Ord)]
29pub struct BlogEntry {
30    pub title: String,
31    pub datetime: NaiveDate,
32    pub file: String,
33}
34
35impl BlogEntry {
36    pub fn new(path: &String) -> BlogEntry {
37        let re = Regex::new(BLOG_REGEX).unwrap();
38        let caps = re.captures(path).unwrap();
39        let date = &caps["date"];
40        let title = str::replace(&caps["title"], "_", " ");
41
42        BlogEntry {
43            title: String::from(title),
44            file: String::from(path),
45            datetime: NaiveDate::parse_from_str(date, "%Y-%m-%d").unwrap(),
46        }
47    }
48
49    pub fn read_assets() -> Vec<BlogEntry> {
50        let mut entries: Vec<BlogEntry> = PostAsset::iter()
51            .map(|e| format!("{}", e))
52            .map(|e| BlogEntry::new(&e))
53            .collect();
54
55        entries.sort_by(|a, b| b.datetime.cmp(&a.datetime));
56
57        entries
58    }
59}
60
61fn get_file_content(path: &str) -> String {
62    let buffer = PostAsset::get(path).unwrap().data.into_owned();
63
64    return String::from_utf8(buffer).unwrap();
65}
66
67pub fn render_post_page(path: &String) -> String {
68    let blog = BlogEntry::new(path);
69
70    PostTemplate {
71        content: get_file_content(path),
72        title: blog.title,
73        date: blog.datetime.format("%Y-%m-%d").to_string(),
74    }
75    .render_once()
76    .unwrap()
77}
78
79pub fn render_index_page() -> String {
80    IndexTemplate {
81        posts: BlogEntry::read_assets(),
82    }
83    .render_once()
84    .unwrap()
85}