1use rust_embed::RustEmbed;
 2use sailfish::TemplateOnce;
 3use chrono::NaiveDate;
 4use regex::{Regex};
 5use std::str;
 6use std::cmp::{PartialOrd, Ord, PartialEq, Eq};
 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
15#[derive(TemplateOnce)]
16#[template(path = "index.html")]
17struct IndexTemplate {
18    posts: Vec<BlogEntry>,
19}
20
21#[derive(TemplateOnce)]
22#[template(path = "post.html")]
23struct PostTemplate {
24    content: String,
25    title: String,
26    date: String
27}
28
29#[derive(PartialEq, Eq, PartialOrd, Ord)]
30pub struct BlogEntry {
31    pub title: String,
32    pub datetime: NaiveDate,
33    pub file: String,
34}
35
36impl BlogEntry {
37    pub fn new(path: &String) -> BlogEntry {
38        let re = Regex::new(BLOG_REGEX).unwrap();
39        let caps = re.captures(path).unwrap();
40        let date = &caps["date"];
41        let title = str::replace(&caps["title"], "_", " ");
42
43        BlogEntry {
44            title: String::from(title),
45            file: String::from(path),
46            datetime: NaiveDate::parse_from_str(date, "%Y-%m-%d").unwrap()
47        }
48    }
49
50    pub fn read_assets() -> Vec<BlogEntry> {
51
52        let mut entries: Vec<BlogEntry> = PostAsset::iter()
53            .map(|e| format!("{}", e))
54            .map(|e| BlogEntry::new(&e))
55            .collect();
56
57        entries.sort_by(|a, b| b.datetime.cmp(&a.datetime));
58
59        entries
60    }
61}
62
63fn get_file_content(path: &str) -> String {
64    let buffer = PostAsset::get(path)
65        .unwrap()
66        .data
67        .into_owned();
68
69    return String::from_utf8(buffer).unwrap();
70}
71
72
73pub fn render_post_page(path: &String) -> String {
74    let blog = BlogEntry::new(path);
75
76    PostTemplate {
77        content: get_file_content(path),
78        title: blog.title,
79        date: blog.datetime.format("%Y-%m-%d").to_string()
80    }
81        .render_once()
82        .unwrap()
83}
84
85pub fn render_index_page() -> String {
86    IndexTemplate { posts: BlogEntry::read_assets() }
87        .render_once()
88        .unwrap()
89}