refactor(quark): port edit_user, fetch_dms, fetch_profile, fetch_self, fetch_user_flags, fetch_user, find_mutual, open_dm

#283

crates/delta/src/routes/users/fetch_user.rs

@@ -1,5 +1,11 @@
-use revolt_quark::{models::User, perms, Database, Error, Ref, Result};
+use revolt_database::{
+    util::{permissions::DatabasePermissionQuery, reference::Reference},
+    Database, User,
+};
+use revolt_models::v0;
 
+use revolt_permissions::{calculate_user_permissions, UserPermission};
+use revolt_result::Result;
 use rocket::{serde::json::Json, State};
 
 /// # Fetch User
@@ -7,17 +13,17 @@ use rocket::{serde::json::Json, State};
 /// Retrieve a user's information.
 #[openapi(tag = "User Information")]
 #[get("/<target>")]
-pub async fn req(db: &State<Database>, user: User, target: Ref) -> Result<Json<User>> {
-    if target.id == user.id {
-        return Ok(Json(user));
+pub async fn fetch(db: &State<Database>, user: User, target: Reference) -> Result<Json<v0::User>> {
+    if user.id == target.id {
+        return Ok(Json(user.into_self().await));
     }
 
     let target = target.as_user(db).await?;
 
-    let permissions = perms(&user).user(&target).calc_user(db).await;
-    if permissions.get_access() {
-        Ok(Json(target.with_perspective(&user, &permissions)))
-    } else {
-        Err(Error::NotFound)
-    }
+    let mut query = DatabasePermissionQuery::new(db, &user).user(&target);
+    calculate_user_permissions(&mut query)
+        .await
+        .throw_if_lacking_user_permission(UserPermission::Access)?;
+
+    Ok(Json(target.into(db, &user).await))
 }