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use super::*;
use anyhow::{Context, Result};
use std::collections::HashMap;
pub const EXTENSION_METADATA: &str = "__extension__";
pub const PATH_METADATA: &str = "__path__";
pub async fn load_recursive_url(
loaders: &HashMap<String, String>,
path: &str,
) -> Result<Vec<(String, RagMetadata)>> {
let extension = RECURSIVE_URL_LOADER;
let pages: Vec<Page> = match loaders.get(extension) {
Some(loader_command) => {
let contents = run_loader_command(path, extension, loader_command)?;
serde_json::from_str(&contents).context(r#"The crawler response is invalid. It should follow the JSON format: `[{"path":"...", "text":"..."}]`."#)?
}
None => {
let options = CrawlOptions::preset(path);
crawl_website(path, options).await?
}
};
let output = pages
.into_iter()
.map(|v| {
let Page { path, text } = v;
let mut metadata: RagMetadata = Default::default();
metadata.insert(PATH_METADATA.into(), path);
metadata.insert(EXTENSION_METADATA.into(), "md".into());
(text, metadata)
})
.collect();
Ok(output)
}
pub async fn load_path(
loaders: &HashMap<String, String>,
path: &str,
) -> Result<Vec<(String, RagMetadata)>> {
let file_paths = expand_glob_paths(&[path]).await?;
let mut output = vec![];
let file_paths_len = file_paths.len();
match file_paths_len {
0 => {}
1 => output.push(load_file(loaders, &file_paths[0]).await?),
_ => {
for path in file_paths {
println!("🚀 Loading file {path}");
output.push(load_file(loaders, &path).await?)
}
println!("✨ Load directory completed");
}
}
Ok(output)
}
pub async fn load_file(
loaders: &HashMap<String, String>,
path: &str,
) -> Result<(String, RagMetadata)> {
let extension = get_patch_extension(path).unwrap_or_else(|| DEFAULT_EXTENSION.into());
match loaders.get(&extension) {
Some(loader_command) => load_with_command(path, &extension, loader_command),
None => load_plain(path, &extension).await,
}
}
pub async fn load_url(
loaders: &HashMap<String, String>,
path: &str,
) -> Result<(String, RagMetadata)> {
let (contents, extension) = fetch(loaders, path, false).await?;
let mut metadata: RagMetadata = Default::default();
metadata.insert(PATH_METADATA.into(), path.into());
metadata.insert(EXTENSION_METADATA.into(), extension);
Ok((contents, metadata))
}
async fn load_plain(path: &str, extension: &str) -> Result<(String, RagMetadata)> {
let contents = tokio::fs::read_to_string(path).await?;
let mut metadata: RagMetadata = Default::default();
metadata.insert(PATH_METADATA.into(), path.to_string());
metadata.insert(EXTENSION_METADATA.into(), extension.to_string());
Ok((contents, metadata))
}
fn load_with_command(
path: &str,
extension: &str,
loader_command: &str,
) -> Result<(String, RagMetadata)> {
let contents = run_loader_command(path, extension, loader_command)?;
let mut metadata: RagMetadata = Default::default();
metadata.insert(PATH_METADATA.into(), path.to_string());
metadata.insert(EXTENSION_METADATA.into(), DEFAULT_EXTENSION.to_string());
Ok((contents, metadata))
}
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