oxen-server 0.53.0

Oxen server is a fast data version control backend, supporting local disk and S3. Self host your repositories on your own storage, or use the hosted platform on Oxen.ai. Stores, syncs, and serves versioned datasets, model checkpoints, game assets, studio media, and any large data. Use the oxen CLI to push and pull from the oxen server.
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use std::path::Path;

use crate::errors::OxenHttpError;
use crate::helpers::get_repo;
use crate::params::{app_data, parse_resource, path_param};

use liboxen::repositories;
use liboxen::view::schema::SchemaWithPath;

use actix_web::{HttpRequest, HttpResponse};
use liboxen::error::OxenError;
use liboxen::view::entries::ResourceVersion;
use liboxen::view::{ListSchemaResponse, StatusMessage};

pub async fn list_or_get(req: HttpRequest) -> actix_web::Result<HttpResponse, OxenHttpError> {
    let app_data = app_data(&req)?;

    let namespace = path_param(&req, "namespace")?.to_string();
    let repo_name = path_param(&req, "repo_name")?.to_string();
    let repo = get_repo(app_data, namespace, repo_name)?;

    // Try to see if they are asking for a specific file
    if let Ok(resource) = parse_resource(&req, &repo)
        && resource.path != Path::new("")
    {
        let commit = &resource.clone().commit.unwrap();

        log::debug!(
            "schemas::list_or_get file {:?} commit {}",
            resource.path,
            commit
        );

        let schema =
            repositories::data_frames::schemas::get_by_path(&repo, commit, &resource.path)?;

        let mut schema_w_paths: Vec<SchemaWithPath> = vec![];
        if let Some(schema) = schema {
            schema_w_paths.push(SchemaWithPath::new(
                resource.path.to_string_lossy().into(),
                schema,
            ));
        }

        let resource = ResourceVersion {
            path: resource.path.to_string_lossy().into(),
            version: resource.version.to_string_lossy().into(),
        };
        let response = ListSchemaResponse {
            status: StatusMessage::resource_found(),
            schemas: schema_w_paths,
            commit: Some(commit.clone()),
            resource: Some(resource),
        };
        return Ok(HttpResponse::Ok().json(response));
    }

    // Otherwise, list all schemas
    let revision = path_param(&req, "resource")?.to_string();

    let commit = repositories::revisions::get(&repo, &revision)?
        .ok_or_else(|| OxenError::RevisionNotFound(revision.as_str().into()))?;

    log::debug!("schemas::list_or_get revision {revision} commit {commit}");

    let schemas = repositories::data_frames::schemas::list(&repo, &commit)?;
    let mut schema_w_paths: Vec<SchemaWithPath> = schemas
        .into_iter()
        .map(|(path, schema)| SchemaWithPath::new(path.to_string_lossy().into(), schema))
        .collect();
    schema_w_paths.sort_by(|a, b| a.schema.hash.cmp(&b.schema.hash));

    let response = ListSchemaResponse {
        status: StatusMessage::resource_found(),
        schemas: schema_w_paths,
        commit: Some(commit),
        resource: None,
    };
    Ok(HttpResponse::Ok().json(response))
}