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