aimcal_cli/
config.rs

1// SPDX-FileCopyrightText: 2025 Zexin Yuan <aim@yzx9.xyz>
2//
3// SPDX-License-Identifier: Apache-2.0
4
5use std::error::Error;
6use std::path::PathBuf;
7use std::str::FromStr;
8
9use aimcal_core::{APP_NAME, Config as CoreConfig};
10use colored::Colorize;
11
12pub async fn parse_config(path: Option<PathBuf>) -> Result<(CoreConfig, Config), Box<dyn Error>> {
13    let path = match path {
14        Some(path) => path,
15        None => {
16            // TODO: zero config should works
17            // TODO: search config in multiple locations
18            let config = get_config_dir()?.join(format!("{APP_NAME}/config.toml"));
19            if !config.exists() {
20                return Err(format!("No config found at: {}", config.display()).into());
21            }
22            config
23        }
24    };
25
26    let content = std::fs::read_to_string(&path)
27        .map_err(|e| format!("Failed to read config file at {}: {}", path.display(), e))?;
28
29    match content.parse::<ConfigRaw>() {
30        Ok(raw) => Ok((raw.core, Config {})),
31        Err(err) => {
32            // If parsing fails, try legacy format
33            match content.parse::<ConfigLegacy>() {
34                Ok(legacy) => {
35                    println!(
36                        "{} Please update your config file by moving all entry to `[core]` sub-table",
37                        "Warning:".yellow(),
38                    );
39                    Ok((legacy.0, Config {}))
40                }
41                Err(_) => Err(err),
42            }
43        }
44    }
45}
46
47/// Configuration for the Aim application.
48#[derive(Debug, Clone, Copy, serde::Deserialize)]
49pub struct Config;
50
51#[derive(Debug, serde::Deserialize)]
52struct ConfigLegacy(CoreConfig);
53
54impl FromStr for ConfigLegacy {
55    type Err = Box<dyn Error>;
56
57    fn from_str(s: &str) -> Result<Self, Self::Err> {
58        Ok(toml::from_str(s)?)
59    }
60}
61
62#[derive(Debug, serde::Deserialize)]
63struct ConfigRaw {
64    core: CoreConfig,
65}
66
67impl FromStr for ConfigRaw {
68    type Err = Box<dyn Error>;
69
70    fn from_str(s: &str) -> Result<Self, Self::Err> {
71        Ok(toml::from_str(s)?)
72    }
73}
74
75fn get_config_dir() -> Result<PathBuf, Box<dyn Error>> {
76    #[cfg(unix)]
77    let config_dir = xdg::BaseDirectories::new().get_config_home();
78    #[cfg(windows)]
79    let config_dir = dirs::config_dir();
80    config_dir.ok_or("User-specific home directory not found".into())
81}
aimcal_cli/config.rs

aimcal_cli/
config.rs
