karton/src/endpoints/edit.rs
2022-11-01 21:19:54 +08:00

111 lines
3.1 KiB
Rust

use crate::args::Args;
use crate::dbio::save_to_file;
use crate::endpoints::errors::ErrorTemplate;
use crate::util::animalnumbers::to_u64;
use crate::util::hashids::to_u64 as hashid_to_u64;
use crate::util::misc::remove_expired;
use crate::{AppState, Pasta, ARGS};
use actix_multipart::Multipart;
use actix_web::{get, post, web, Error, HttpResponse};
use askama::Template;
use futures::TryStreamExt;
#[derive(Template)]
#[template(path = "edit.html", escape = "none")]
struct EditTemplate<'a> {
pasta: &'a Pasta,
args: &'a Args,
}
#[get("/edit/{id}")]
pub async fn get_edit(data: web::Data<AppState>, id: web::Path<String>) -> HttpResponse {
let mut pastas = data.pastas.lock().unwrap();
let id = if ARGS.hash_ids {
hashid_to_u64(&*id).unwrap_or(0)
} else {
to_u64(&*id.into_inner()).unwrap_or(0)
};
remove_expired(&mut pastas);
for pasta in pastas.iter() {
if pasta.id == id {
if !pasta.editable {
return HttpResponse::Found()
.append_header(("Location", format!("{}/", ARGS.public_path)))
.finish();
}
return HttpResponse::Ok().content_type("text/html").body(
EditTemplate {
pasta: &pasta,
args: &ARGS,
}
.render()
.unwrap(),
);
}
}
HttpResponse::Ok()
.content_type("text/html")
.body(ErrorTemplate { args: &ARGS }.render().unwrap())
}
#[post("/edit/{id}")]
pub async fn post_edit(
data: web::Data<AppState>,
id: web::Path<String>,
mut payload: Multipart,
) -> Result<HttpResponse, Error> {
if ARGS.readonly {
return Ok(HttpResponse::Found()
.append_header(("Location", format!("{}/", ARGS.public_path)))
.finish());
}
let id = if ARGS.hash_ids {
hashid_to_u64(&*id).unwrap_or(0)
} else {
to_u64(&*id.into_inner()).unwrap_or(0)
};
let mut pastas = data.pastas.lock().unwrap();
remove_expired(&mut pastas);
let mut new_content = String::from("");
while let Some(mut field) = payload.try_next().await? {
match field.name() {
"content" => {
while let Some(chunk) = field.try_next().await? {
new_content = std::str::from_utf8(&chunk).unwrap().to_string();
}
}
_ => {}
}
}
for (i, pasta) in pastas.iter().enumerate() {
if pasta.id == id {
if pasta.editable {
pastas[i].content.replace_range(.., &*new_content);
save_to_file(&pastas);
return Ok(HttpResponse::Found()
.append_header((
"Location",
format!("{}/pasta/{}", ARGS.public_path, pastas[i].id_as_animals()),
))
.finish());
} else {
break;
}
}
}
Ok(HttpResponse::Ok()
.content_type("text/html")
.body(ErrorTemplate { args: &ARGS }.render().unwrap()))
}