]> git.r.bdr.sh - rbdr/blog/blob - src/configuration.rs
Add deb generator
[rbdr/blog] / src / configuration.rs
1 use std::env;
2 use std::path::PathBuf;
3
4 pub struct Configuration {
5 // Default Base Directories, default to XDG dirs but can be
6 // configured by users.
7 pub config_directory: PathBuf,
8 pub data_directory: PathBuf,
9 pub output_directory: PathBuf,
10
11 pub max_posts: u8,
12
13 // Derived directories: Config
14 pub remote_config: PathBuf,
15
16 // Derived directories: Data
17 pub posts_directory: PathBuf,
18 pub archive_directory: PathBuf,
19 pub static_directory: PathBuf,
20 pub templates_directory: PathBuf,
21
22 // Derived directories: Output
23 pub blog_output_directory: PathBuf,
24 pub archive_output_directory: PathBuf
25 }
26
27 impl Configuration {
28
29 pub fn new() -> Self {
30 let config_directory = Configuration::directory(
31 "BLOG_CONFIG_DIRECTORY",
32 "XDG_CONFIG_HOME",
33 ".config",
34 "blog"
35 );
36 let data_directory = Configuration::directory(
37 "BLOG_DATA_DIRECTORY",
38 "XDG_DATA_HOME",
39 ".local/share",
40 "blog"
41 );
42 let output_directory = Configuration::directory(
43 "BLOG_OUTPUT_DIRECTORY",
44 "XDG_CACHE_HOME",
45 ".cache",
46 "blog"
47 );
48
49 let max_posts: u8 = env::var("BLOG_MAX_POSTS")
50 .ok()
51 .and_then(|v| v.parse().ok())
52 .unwrap_or(3);
53
54 let remote_config = config_directory.join("blogremote");
55
56 let posts_directory = data_directory.join("posts");
57 let archive_directory = data_directory.join("archive");
58 let static_directory = data_directory.join("static");
59 let templates_directory = data_directory.join("templates");
60
61 let blog_output_directory = output_directory.join("blog");
62 let archive_output_directory = output_directory.join("archive");
63
64 Configuration {
65 config_directory,
66 data_directory,
67 output_directory,
68 max_posts,
69 remote_config,
70 posts_directory,
71 archive_directory,
72 static_directory,
73 templates_directory,
74 blog_output_directory,
75 archive_output_directory
76 }
77 }
78
79 fn directory(user_override: &str, default_value: &str, home_fallback: &str, path: &str) -> PathBuf {
80 match env::var(user_override) {
81 Ok(directory) => PathBuf::from(directory),
82 Err(_) => match env::var(default_value) {
83 Ok(directory) => PathBuf::from(directory),
84 Err(_) => match env::var("HOME") {
85 Ok(directory) => PathBuf::from(directory).join(home_fallback),
86 Err(_) => panic!("Could not find required directory, {} or {} should be set and readable.", user_override, default_value),
87 },
88 },
89 }.join(path)
90 }
91 }