athena_cli/
config.rs

1use anyhow::Result;
2use directories::ProjectDirs;
3use serde::{Deserialize, Serialize};
4use std::{path::PathBuf, time::Duration};
5
6#[derive(Debug, Serialize, Deserialize)]
7pub struct Config {
8    pub aws: AwsConfig,
9    pub app: AppConfig,
10}
11
12#[derive(Debug, Serialize, Deserialize)]
13pub struct AwsConfig {
14    pub region: Option<String>,
15    pub workgroup: Option<String>,
16    pub output_location: String,
17    pub catalog: Option<String>,
18    pub database: Option<String>,
19    pub profile: Option<String>,
20}
21
22#[derive(Debug, Serialize, Deserialize)]
23pub struct AppConfig {
24    #[serde(with = "humantime_serde")]
25    pub query_reuse_time: Duration,
26    pub max_rows: usize,
27    /// Default number of history items to show
28    #[serde(default = "default_history_size")]
29    pub history_size: i32,
30    /// Fields to display in history view
31    #[serde(default)]
32    pub history_fields: Option<Vec<String>>,
33    /// Fields to display in inspect view
34    #[serde(default)]
35    pub inspect_fields: Option<Vec<String>>,
36}
37
38fn default_history_size() -> i32 {
39    20
40}
41
42impl Default for Config {
43    fn default() -> Self {
44        Self {
45            aws: AwsConfig {
46                region: Some("eu-west-1".to_string()),
47                workgroup: Some("primary".to_string()),
48                output_location: "s3://athena-query-results/".to_string(),
49                catalog: Some("AwsDataCatalog".to_string()),
50                database: None,
51                profile: None,
52            },
53            app: AppConfig {
54                query_reuse_time: Duration::from_secs(3600), // 1 hour
55                max_rows: 1000,
56                history_size: 20,
57                history_fields: None,
58                inspect_fields: None,
59            },
60        }
61    }
62}
63
64impl Config {
65    pub fn load() -> Result<Self> {
66        let config_path = get_config_path()?;
67
68        println!("Looking for config at: {}", config_path.display());
69
70        if !config_path.exists() {
71            println!("Config file not found, creating default");
72            let config = Config::default();
73            std::fs::create_dir_all(config_path.parent().unwrap())?;
74            std::fs::write(&config_path, toml::to_string_pretty(&config)?)?;
75            return Ok(config);
76        }
77
78        println!("Loading config from: {}", config_path.display());
79        let config = config::Config::builder()
80            .add_source(config::File::from(config_path))
81            .build()?;
82
83        let config: Config = config.try_deserialize()?;
84        println!("Loaded workgroup: {:?}", config.aws.workgroup);
85
86        Ok(config)
87    }
88}
89
90fn get_config_path() -> Result<PathBuf> {
91    // Always use XDG config dir (~/.config/athena-cli/config.toml)
92    if let Ok(home) = std::env::var("HOME") {
93        return Ok(PathBuf::from(home).join(".config/athena-cli/config.toml"));
94    }
95
96    // Fallback only if HOME is not available
97    let proj_dirs = ProjectDirs::from("com", "your-org", "athena-cli")
98        .ok_or_else(|| anyhow::anyhow!("Could not determine config directory"))?;
99
100    Ok(proj_dirs.config_dir().join("config.toml"))
101}
athena_cli/config.rs

athena_cli/
config.rs
