refactor: rewrite entire codebase in axum instead of actix

Replaces actix with axum for web, allows us to use socket.io and gives us access to the tower ecosystem of middleware

breaks compatibility with our current websocket implementation, needs to be reimplemented for socket.io

src/api/v1/guilds/uuid/roles/uuid.rs

@@ -1,43 +1,47 @@
+use std::sync::Arc;
+
+use ::uuid::Uuid;
+use axum::{
+    Json,
+    extract::{Path, State},
+    http::StatusCode,
+    response::IntoResponse,
+};
+use axum_extra::{
+    TypedHeader,
+    headers::{Authorization, authorization::Bearer},
+};
+
 use crate::{
-    Data,
+    AppState,
     api::v1::auth::check_access_token,
     error::Error,
     objects::{Member, Role},
-    utils::{get_auth_header, global_checks},
+    utils::global_checks,
 };
-use ::uuid::Uuid;
-use actix_web::{HttpRequest, HttpResponse, get, web};
 
-#[get("{uuid}/roles/{role_uuid}")]
 pub async fn get(
-    req: HttpRequest,
-    path: web::Path<(Uuid, Uuid)>,
-    data: web::Data<Data>,
-) -> Result<HttpResponse, Error> {
-    let headers = req.headers();
+    State(app_state): State<Arc<AppState>>,
+    Path((guild_uuid, role_uuid)): Path<(Uuid, Uuid)>,
+    TypedHeader(auth): TypedHeader<Authorization<Bearer>>,
+) -> Result<impl IntoResponse, Error> {
+    let mut conn = app_state.pool.get().await?;
 
-    let auth_header = get_auth_header(headers)?;
+    let uuid = check_access_token(auth.token(), &mut conn).await?;
 
-    let (guild_uuid, role_uuid) = path.into_inner();
-
-    let mut conn = data.pool.get().await?;
-
-    let uuid = check_access_token(auth_header, &mut conn).await?;
-
-    global_checks(&data, uuid).await?;
+    global_checks(&app_state, uuid).await?;
 
     Member::check_membership(&mut conn, uuid, guild_uuid).await?;
 
-    if let Ok(cache_hit) = data.get_cache_key(format!("{role_uuid}")).await {
-        return Ok(HttpResponse::Ok()
-            .content_type("application/json")
-            .body(cache_hit));
+    if let Ok(cache_hit) = app_state.get_cache_key(format!("{role_uuid}")).await {
+        return Ok((StatusCode::OK, Json(cache_hit)).into_response());
     }
 
     let role = Role::fetch_one(&mut conn, role_uuid).await?;
 
-    data.set_cache_key(format!("{role_uuid}"), role.clone(), 60)
+    app_state
+        .set_cache_key(format!("{role_uuid}"), role.clone(), 60)
         .await?;
 
-    Ok(HttpResponse::Ok().json(role))
+    Ok((StatusCode::OK, Json(role)).into_response())
 }