meilisearch/meilisearch-lib/src/lib.rs
2022-03-24 15:30:10 +01:00

54 lines
1.2 KiB
Rust

#[macro_use]
pub mod error;
pub mod options;
mod analytics;
pub mod index;
pub mod index_controller;
mod index_resolver;
mod snapshot;
pub mod tasks;
mod update_file_store;
use std::path::Path;
pub use index_controller::MeiliSearch;
pub use milli;
pub use milli::heed;
mod compression;
pub mod document_formats;
use walkdir::WalkDir;
pub trait EnvSizer {
fn size(&self) -> u64;
}
impl EnvSizer for milli::heed::Env {
fn size(&self) -> u64 {
WalkDir::new(self.path())
.into_iter()
.filter_map(|entry| entry.ok())
.filter_map(|entry| entry.metadata().ok())
.filter(|metadata| metadata.is_file())
.fold(0, |acc, m| acc + m.len())
}
}
/// Check if a db is empty. It does not provide any information on the
/// validity of the data in it.
/// We consider a database as non empty when it's a non empty directory.
pub fn is_empty_db(db_path: impl AsRef<Path>) -> bool {
let db_path = db_path.as_ref();
if !db_path.exists() {
true
// if we encounter an error or if the db is a file we consider the db non empty
} else if let Ok(dir) = db_path.read_dir() {
dir.count() == 0
} else {
true
}
}