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39 lines
1.2 KiB
39 lines
1.2 KiB
use serde::de::DeserializeOwned;
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use actix_session::Session;
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pub trait SessionExt {
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/// Get a `value` from the session.
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fn take<T: DeserializeOwned>(&self, key: &str) -> Result<Option<T>, actix_web::error::Error>;
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fn render_flash(&self, context : &mut tera::Context);
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fn flash_error(&self, msg : impl AsRef<str>);
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fn flash_success(&self, msg : impl AsRef<str>);
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}
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impl SessionExt for Session {
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fn take<T: DeserializeOwned>(&self, key: &str) -> Result<Option<T>, actix_web::error::Error> {
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let val = self.get(key);
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self.remove(key); // Always remove, even if parsing failed
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Ok(val?)
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}
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fn render_flash(&self, context : &mut tera::Context) {
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if let Ok(Some(msg)) = self.take::<String>("flash_error") {
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context.insert("flash_error", &msg);
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}
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if let Ok(Some(msg)) = self.take::<String>("flash_success") {
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context.insert("flash_success", &msg);
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}
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}
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fn flash_error(&self, msg : impl AsRef<str>) {
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self.set("flash_error", msg.as_ref()).unwrap();
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}
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fn flash_success(&self, msg : impl AsRef<str>) {
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self.set("flash_success", msg.as_ref()).unwrap();
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}
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}
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