Files
stoatchat/crates/delta/src/routes/users/get_default_avatar.rs
2022-06-02 12:17:30 +01:00

77 lines
2.7 KiB
Rust

use rocket::http::ContentType;
use rocket::response::{self, Responder};
use rocket::{Request, Response};
use rocket_okapi::okapi::openapi3::{self, MediaType, RefOr};
use schemars::schema::{InstanceType, SchemaObject, SingleOrVec};
pub struct CachedFile((ContentType, Vec<u8>));
pub static CACHE_CONTROL: &str = "public, max-age=31536000, immutable";
impl<'r> Responder<'r, 'static> for CachedFile {
fn respond_to(self, req: &'r Request<'_>) -> response::Result<'static> {
Response::build_from(self.0.respond_to(req)?)
.raw_header("Cache-Control", CACHE_CONTROL)
.ok()
}
}
impl rocket_okapi::response::OpenApiResponderInner for CachedFile {
fn responses(
_gen: &mut rocket_okapi::gen::OpenApiGenerator,
) -> std::result::Result<openapi3::Responses, rocket_okapi::OpenApiError> {
let mut responses = schemars::Map::new();
let mut content = schemars::Map::new();
content.insert(
"image/png".to_owned(),
MediaType {
schema: Some(SchemaObject {
instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::String))),
format: Some("binary".to_owned()),
..Default::default()
}),
..Default::default()
},
);
responses.insert(
"200".to_string(),
RefOr::Object(openapi3::Response {
description: "Default Avatar Picture".to_string(),
content,
..Default::default()
}),
);
Ok(openapi3::Responses {
responses,
..Default::default()
})
}
}
/// # Fetch Default Avatar
///
/// This returns a default avatar based on the given id.
#[openapi(tag = "User Information")]
#[get("/<target>/default_avatar")]
pub async fn req(target: String) -> CachedFile {
CachedFile((
ContentType::PNG,
match target.chars().last().unwrap() {
// 0123456789ABCDEFGHJKMNPQRSTVWXYZ
'0' | '1' | '2' | '3' | 'S' | 'Z' => {
include_bytes!(crate::asset!("user/2.png")).to_vec()
}
'4' | '5' | '6' | '7' | 'T' => include_bytes!(crate::asset!("user/3.png")).to_vec(),
'8' | '9' | 'A' | 'B' => include_bytes!(crate::asset!("user/4.png")).to_vec(),
'C' | 'D' | 'E' | 'F' | 'V' => include_bytes!(crate::asset!("user/5.png")).to_vec(),
'G' | 'H' | 'J' | 'K' | 'W' => include_bytes!(crate::asset!("user/6.png")).to_vec(),
'M' | 'N' | 'P' | 'Q' | 'X' => include_bytes!(crate::asset!("user/7.png")).to_vec(),
/*'0' | '1' | '2' | '3' | 'R' | 'Y'*/
_ => include_bytes!(crate::asset!("user/1.png")).to_vec(),
},
))
}