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sqlite_graphrag/
paths.rs

1use crate::errors::AppError;
2use crate::i18n::validacao;
3use directories::ProjectDirs;
4use std::path::PathBuf;
5
6#[derive(Debug)]
7pub struct AppPaths {
8    pub db: PathBuf,
9    pub models: PathBuf,
10}
11
12impl AppPaths {
13    pub fn resolve(db_override: Option<&str>) -> Result<Self, AppError> {
14        let proj = ProjectDirs::from("", "", "sqlite-graphrag").ok_or_else(|| {
15            AppError::Io(std::io::Error::other("cannot determine home directory"))
16        })?;
17
18        let cache_root = if let Some(override_dir) = std::env::var_os("SQLITE_GRAPHRAG_CACHE_DIR") {
19            PathBuf::from(override_dir)
20        } else {
21            proj.cache_dir().to_path_buf()
22        };
23
24        let db = if let Some(p) = db_override {
25            validate_path(p)?;
26            PathBuf::from(p)
27        } else if let Ok(env_path) = std::env::var("SQLITE_GRAPHRAG_DB_PATH") {
28            validate_path(&env_path)?;
29            PathBuf::from(env_path)
30        } else {
31            std::env::current_dir()
32                .map_err(AppError::Io)?
33                .join("graphrag.sqlite")
34        };
35
36        Ok(Self {
37            db,
38            models: cache_root.join("models"),
39        })
40    }
41
42    pub fn ensure_dirs(&self) -> Result<(), AppError> {
43        for dir in [self.db.parent().unwrap(), &self.models] {
44            std::fs::create_dir_all(dir)?;
45        }
46        Ok(())
47    }
48}
49
50fn validate_path(p: &str) -> Result<(), AppError> {
51    if p.contains("..") {
52        return Err(AppError::Validation(validacao::path_traversal(p)));
53    }
54    Ok(())
55}