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rocket-inv/src/session.rs

59 lines
1.8 KiB

use serde_json::Value;
use serde::de::DeserializeOwned;
use serde::Serialize;
use json_dotpath::DotPaths;
pub type Session<'a> = rocket_session::Session<'a, serde_json::Map<String, Value>>;
pub trait SessionAccess {
fn get<T: DeserializeOwned>(&self, path: &str) -> Option<T>;
fn get_or<T: DeserializeOwned>(&self, path: &str, def: T) -> T;
fn get_or_else<T: DeserializeOwned, F: FnOnce() -> T>(&self, path: &str, def: F) -> T;
fn get_or_default<T: DeserializeOwned + Default>(&self, path: &str) -> T;
fn take<T: DeserializeOwned>(&self, path: &str) -> Option<T>;
fn replace<O: DeserializeOwned, N: Serialize>(&self, path: &str, new: N) -> Option<O>;
fn set<T: Serialize>(&self, path: &str, value: T);
fn remove(&self, path: &str) -> bool;
}
impl<'a> SessionAccess for Session<'a> {
fn get<T: DeserializeOwned>(&self, path: &str) -> Option<T> {
self.tap(|data| data.dot_get(path))
}
fn get_or<T: DeserializeOwned>(&self, path: &str, def: T) -> T {
self.get(path).unwrap_or(def)
}
fn get_or_else<T: DeserializeOwned, F: FnOnce() -> T>(&self, path: &str, def: F) -> T {
self.get(path).unwrap_or_else(def)
}
fn get_or_default<T: DeserializeOwned + Default>(&self, path: &str) -> T {
self.get(path).unwrap_or_default()
}
fn take<T: DeserializeOwned>(&self, path: &str) -> Option<T> {
self.tap(|data| data.dot_take(path))
}
fn replace<O: DeserializeOwned, N: Serialize>(&self, path: &str, new: N) -> Option<O> {
self.tap(|data| data.dot_replace(path, new))
}
fn set<T: Serialize>(&self, path: &str, value: T) {
self.tap(|data| data.dot_set(path, value));
}
fn remove(&self, path: &str) -> bool {
self.tap(|data| data.dot_remove(path))
}
}