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//! This module provides the functionality to handle theme folder present on different paths and
//! provide one appropriate path on which it is present and can be used.
use std::collections::HashMap;
use std::io::Error;
use std::path::Path;
// ------- Constants --------
static PUBLIC_DIRECTORY_NAME: &str = "public";
static COMMON_DIRECTORY_NAME: &str = "websurfx";
static CONFIG_FILE_NAME: &str = "config.lua";
static ALLOWLIST_FILE_NAME: &str = "allowlist.txt";
static BLOCKLIST_FILE_NAME: &str = "blocklist.txt";
#[derive(Hash, PartialEq, Eq, Debug)]
pub enum FileType {
Config,
AllowList,
BlockList,
Theme,
}
static FILE_PATHS_FOR_DIFF_FILE_TYPES: once_cell::sync::Lazy<HashMap<FileType, Vec<String>>> =
once_cell::sync::Lazy::new(|| {
HashMap::from([
(
FileType::Config,
vec![
format!(
"{}/.config/{}/{}",
std::env::var("HOME").unwrap(),
COMMON_DIRECTORY_NAME,
CONFIG_FILE_NAME
),
format!("/etc/xdg/{}/{}", COMMON_DIRECTORY_NAME, CONFIG_FILE_NAME),
format!("./{}/{}", COMMON_DIRECTORY_NAME, CONFIG_FILE_NAME),
],
),
(
FileType::Theme,
vec![
format!("/opt/websurfx/{}/", PUBLIC_DIRECTORY_NAME),
format!("./{}/", PUBLIC_DIRECTORY_NAME),
],
),
(
FileType::AllowList,
vec![
format!(
"{}/.config/{}/{}",
std::env::var("HOME").unwrap(),
COMMON_DIRECTORY_NAME,
ALLOWLIST_FILE_NAME
),
format!("/etc/xdg/{}/{}", COMMON_DIRECTORY_NAME, ALLOWLIST_FILE_NAME),
format!("./{}/{}", COMMON_DIRECTORY_NAME, ALLOWLIST_FILE_NAME),
],
),
(
FileType::BlockList,
vec![
format!(
"{}/.config/{}/{}",
std::env::var("HOME").unwrap(),
COMMON_DIRECTORY_NAME,
BLOCKLIST_FILE_NAME
),
format!("/etc/xdg/{}/{}", COMMON_DIRECTORY_NAME, BLOCKLIST_FILE_NAME),
format!("./{}/{}", COMMON_DIRECTORY_NAME, BLOCKLIST_FILE_NAME),
],
),
])
});
/// A helper function which returns an appropriate config file path checking if the config
/// file exists on that path.
///
/// # Error
///
/// Returns a `config file not found!!` error if the config file is not present under following
/// paths which are:
/// 1. `~/.config/websurfx/` if it not present here then it fallbacks to the next one (2)
/// 2. `/etc/xdg/websurfx/config.lua` if it is not present here then it fallbacks to the next
/// one (3).
/// 3. `websurfx/` (under project folder ( or codebase in other words)) if it is not present
/// here then it returns an error as mentioned above.
/// A function which returns an appropriate theme directory path checking if the theme
/// directory exists on that path.
///
/// # Error
///
/// Returns a `Theme (public) folder not found!!` error if the theme folder is not present under following
/// paths which are:
/// 1. `/opt/websurfx` if it not present here then it fallbacks to the next one (2)
/// 2. Under project folder ( or codebase in other words) if it is not present
/// here then it returns an error as mentioned above.
pub fn file_path(file_type: FileType) -> Result<String, Error> {
let file_path = FILE_PATHS_FOR_DIFF_FILE_TYPES.get(&file_type).unwrap();
for (idx, _) in file_path.iter().enumerate() {
if Path::new(file_path[idx].as_str()).exists() {
return Ok(file_path[idx].clone());
}
}
// if no of the configs above exist, return error
Err(Error::new(
std::io::ErrorKind::NotFound,
format!("{:?} file not found!!", file_type),
))
}
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