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use chrono::Utc;
use rocket::http::uri::Uri;
use rocket::http::RawStr;
use rocket::http::{ContentType, Status};
use rocket::request::FromFormValue;
use rocket::request::Request;
use rocket::response;
use rocket::response::{Responder, Response};
use rocket_contrib::databases::diesel;
use rocket_contrib::json::{Json, JsonValue};
use self::diesel::prelude::*;
use crate::api::AddHistoryRequest;
use crate::schema::history;
use crate::settings::HISTORY_PAGE_SIZE;
use super::database::AtuinDbConn;
use super::models::{History, NewHistory, User};
#[derive(Debug)]
pub struct ApiResponse {
pub json: JsonValue,
pub status: Status,
}
impl<'r> Responder<'r> for ApiResponse {
fn respond_to(self, req: &Request) -> response::Result<'r> {
Response::build_from(self.json.respond_to(req).unwrap())
.status(self.status)
.header(ContentType::JSON)
.ok()
}
}
#[get("/")]
pub const fn index() -> &'static str {
"\"Through the fathomless deeps of space swims the star turtle Great A\u{2019}Tuin, bearing on its back the four giant elephants who carry on their shoulders the mass of the Discworld.\"\n\t-- Sir Terry Pratchett"
}
#[catch(500)]
pub fn internal_error(_req: &Request) -> ApiResponse {
ApiResponse {
status: Status::InternalServerError,
json: json!({"status": "error", "message": "an internal server error has occured"}),
}
}
#[catch(400)]
pub fn bad_request(_req: &Request) -> ApiResponse {
ApiResponse {
status: Status::InternalServerError,
json: json!({"status": "error", "message": "bad request. don't do that."}),
}
}
#[post("/history", data = "<add_history>")]
#[allow(
clippy::clippy::cast_sign_loss,
clippy::cast_possible_truncation,
clippy::clippy::needless_pass_by_value
)]
pub fn add_history(
conn: AtuinDbConn,
user: User,
add_history: Json<Vec<AddHistoryRequest>>,
) -> ApiResponse {
let new_history: Vec<NewHistory> = add_history
.iter()
.map(|h| NewHistory {
client_id: h.id.as_str(),
hostname: h.hostname.to_string(),
user_id: user.id,
timestamp: h.timestamp.naive_utc(),
data: h.data.as_str(),
})
.collect();
match diesel::insert_into(history::table)
.values(&new_history)
.on_conflict_do_nothing()
.execute(&*conn)
{
Ok(_) => ApiResponse {
status: Status::Ok,
json: json!({"status": "ok", "message": "history added"}),
},
Err(_) => ApiResponse {
status: Status::BadRequest,
json: json!({"status": "error", "message": "failed to add history"}),
},
}
}
#[get("/sync/count")]
#[allow(clippy::wildcard_imports, clippy::needless_pass_by_value)]
pub fn sync_count(conn: AtuinDbConn, user: User) -> ApiResponse {
use crate::schema::history::dsl::*;
// we need to return the number of history items we have for this user
// in the future I'd like to use something like a merkel tree to calculate
// which day specifically needs syncing
let count = history
.filter(user_id.eq(user.id))
.count()
.first::<i64>(&*conn);
if count.is_err() {
error!("failed to count: {}", count.err().unwrap());
return ApiResponse {
json: json!({"message": "internal server error"}),
status: Status::InternalServerError,
};
}
ApiResponse {
status: Status::Ok,
json: json!({"count": count.ok()}),
}
}
pub struct UtcDateTime(chrono::DateTime<Utc>);
impl<'v> FromFormValue<'v> for UtcDateTime {
type Error = &'v RawStr;
fn from_form_value(form_value: &'v RawStr) -> Result<UtcDateTime, &'v RawStr> {
let time = Uri::percent_decode(form_value.as_bytes()).map_err(|_| form_value)?;
let time = time.to_string();
match chrono::DateTime::parse_from_rfc3339(time.as_str()) {
Ok(t) => Ok(UtcDateTime(t.with_timezone(&Utc))),
Err(e) => {
error!("failed to parse time {}, got: {}", time, e);
Err(form_value)
}
}
}
}
// Request a list of all history items added to the DB after a given timestamp.
// Provide the current hostname, so that we don't send the client data that
// originated from them
#[get("/sync/history?<sync_ts>&<history_ts>&<host>")]
#[allow(clippy::wildcard_imports, clippy::needless_pass_by_value)]
pub fn sync_list(
conn: AtuinDbConn,
user: User,
sync_ts: UtcDateTime,
history_ts: UtcDateTime,
host: String,
) -> ApiResponse {
use crate::schema::history::dsl::*;
// we need to return the number of history items we have for this user
// in the future I'd like to use something like a merkel tree to calculate
// which day specifically needs syncing
// TODO: Allow for configuring the page size, both from params, and setting
// the max in config. 100 is fine for now.
let h = history
.filter(user_id.eq(user.id))
.filter(hostname.ne(host))
.filter(created_at.ge(sync_ts.0.naive_utc()))
.filter(timestamp.ge(history_ts.0.naive_utc()))
.order(timestamp.asc())
.limit(HISTORY_PAGE_SIZE)
.load::<History>(&*conn);
if let Err(e) = h {
error!("failed to load history: {}", e);
return ApiResponse {
json: json!({"message": "internal server error"}),
status: Status::InternalServerError,
};
}
let user_data: Vec<String> = h.unwrap().iter().map(|i| i.data.to_string()).collect();
ApiResponse {
status: Status::Ok,
json: json!({ "history": user_data }),
}
}
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