From f0a8840f297ffcffb4dd91a53b5435534e3f67d8 Mon Sep 17 00:00:00 2001
From: Joe Ardent <code@ardent.nebcorp.com>
Date: Sun, 3 Mar 2024 15:12:18 -0800
Subject: [PATCH] minimal session use example

---
 .gitignore    |    1 +
 .rustfmt.toml |    4 +
 Cargo.lock    | 1092 +++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml    |   14 +
 src/main.rs   |   78 ++++
 5 files changed, 1189 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .rustfmt.toml
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/.rustfmt.toml b/.rustfmt.toml
new file mode 100644
index 0000000..4c8d0e1
--- /dev/null
+++ b/.rustfmt.toml
@@ -0,0 +1,4 @@
+imports_granularity = "Crate"
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+wrap_comments = true
+edition = "2021"
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..d42c460
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,1092 @@
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..32b52af
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "princess"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+axum = { version = "0.7", default-features = false, features = ["tokio", "http1"] }
+lazy_static = "1"
+rand = { version = "0.8", default-features = false, features = ["getrandom"] }
+serde = { version = "1", default-features = false, features = ["derive"] }
+serde_json = { version = "1", default-features = false }
+time = { version = "0.3", default-features = false }
+tokio = { version = "1", default-features = false, features = ["rt-multi-thread"] }
+tower-sessions = { version = "0.10", default-features = false, features = ["axum-core", "memory-store"] }
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..53ceac0
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,78 @@
+use std::net::SocketAddr;
+
+use axum::{
+    response::{Html, IntoResponse, Redirect},
+    routing::get,
+    Router,
+};
+use serde::{Deserialize, Serialize};
+use tokio::net::TcpListener;
+use tower_sessions::{Expiry, MemoryStore, Session, SessionManagerLayer};
+
+#[macro_use]
+extern crate lazy_static;
+
+lazy_static! {
+    static ref SIGNUP_KEY: String = format!("meow-{}", rand::random::<u128>());
+}
+
+#[tokio::main]
+async fn main() {
+    let session_store = MemoryStore::default();
+    let session_layer = SessionManagerLayer::new(session_store)
+        .with_secure(false)
+        .with_expiry(Expiry::OnInactivity(time::Duration::hours(2)));
+
+    let app = Router::new()
+        .route("/signup", get(get_signup).post(post_signup))
+        .route("/payment_success/:receipt", get(payment_success))
+        .layer(session_layer)
+        .into_make_service();
+    let addr = SocketAddr::from(([127, 0, 0, 1], 4000));
+    let listener = TcpListener::bind(&addr).await.unwrap();
+
+    axum::serve(listener, app).await.unwrap();
+}
+
+pub async fn get_signup() -> impl IntoResponse {
+    let html: Html<&str> =
+        "<p><form action='/signup' enctype='application/x-www-form-urlencoded' method='post'>
+    <input type='submit' value='Signup'></form></p>"
+            .into();
+    html.into_response()
+}
+
+pub async fn post_signup(session: Session) -> impl IntoResponse {
+    let user = TestData {
+        name: "yo yo".to_string(),
+        ..Default::default()
+    };
+
+    session.insert(&SIGNUP_KEY, user).await.unwrap();
+    session.save().await.unwrap();
+
+    Redirect::to("http://localhost:4001").into_response()
+}
+
+pub async fn payment_success(session: Session) -> impl IntoResponse {
+    session.load().await.unwrap();
+    dbg!("loaded the session");
+    let user = if let Some(user) = session.get::<TestData>(&SIGNUP_KEY).await.unwrap_or(None) {
+        dbg!("loaded test data");
+        user
+    } else {
+        dbg!("could not load data from session");
+        TestData::default()
+    };
+    let html: Html<_> = format!("<p>Check out this test data:</p><pre>{user:?}</pre>").into();
+    html.into_response()
+}
+
+#[derive(Clone, Debug, Default, PartialEq, Eq, Deserialize, Serialize)]
+struct TestData {
+    name: String,
+    login: String,
+    email: String,
+    password: String,
+    thingy: bool,
+}