I sleep.

Cargo.toml

@@ -7,5 +7,9 @@ edition = "2021"
 
 [dependencies]
 rocket = "0.5.0-rc.1"
+rocket_dyn_templates = { version = "0.1.0-rc.1", features = ["tera"] }
 mongodb = "2.0.0"
-tokio = "*"
+tokio = "*"
+serde = { version = "1.0", features = ["derive"] }
+tokio-test = "0.4.2"
+bcrypt = "0.10.1"

Rocket.toml

@@ -0,0 +1,2 @@
+[default]
+template_dir = "templates"

src/auth/mod.rs

@@ -0,0 +1,32 @@
+use bcrypt;
+use rocket::form::Form;
+use super::db_wrapper;
+use db_wrapper::schemas::User;
+
+#[derive(FromForm)]
+pub struct UserAuth<'r> {
+    username: &'r str,
+    password: &'r str
+}
+
+#[get("/")]
+pub fn index() -> &'static str {
+    "Auth!"
+}
+
+
+#[post("/login", data = "<user>")]
+pub async fn login(user: Form<UserAuth<'_>>) -> String {
+    let users = db_wrapper::get_client().await.collection::<User>("users");
+    let hashed = bcrypt::hash(&user.password, bcrypt::DEFAULT_COST).unwrap();
+
+    let insert_user = User {
+        username: user.username.to_string(),
+        pwd_hash: hashed.to_string()
+    };
+
+    match users.insert_one(insert_user, None).await {
+        Err(e) => format!("Error encountered while inserting user.\nERROR: {}", e),
+        Ok(_) => format!("Hello {}! Your password is {}. Your hash is `{}`", user.username, user.password, hashed)
+    }
+}

src/db_wrapper/mod.rs

@@ -0,0 +1,55 @@
+use mongodb::{ Client, Database };
+
+pub mod schemas;
+
+pub async fn get_client() -> Database {
+    match Client::with_uri_str(match std::env::var("MONGODB_URI") {
+        Err(e) => {
+            std::process::exit({
+                eprintln!("Error: {:?}", e);
+                1
+            })
+        },
+        Ok(val) => val
+    }).await {
+        Ok(client) => client.database("schoollabs-test"),
+        Err(e) => {
+            std::process::exit({
+                eprintln!("Error: {:?}", e);
+                1
+            })
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use tokio_test;
+    use serde::{Deserialize, Serialize};
+
+
+    async fn check_mongo_works_fn() {
+        #[derive(Debug, Serialize, Deserialize)]
+        struct Book {
+            title: String,
+            author: String
+        }
+    
+        let db = get_client().await;
+    
+        let books = db.collection::<Book>("books");
+    
+        let book = vec![Book { title: "1984".to_string(), author: "George Orwell".to_string() }];
+    
+        match books.insert_many(book, None).await {
+            Ok(_) => assert_eq!(1, 1),
+            Err(_) => assert_eq!(1, 0)
+        };
+    }
+    
+    #[test]
+    fn check_mongo_works() {
+        tokio_test::block_on(check_mongo_works_fn())
+    }
+}

src/db_wrapper/schemas.rs

@@ -0,0 +1,7 @@
+use serde::{Serialize, Deserialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct User {
+    pub username: String,
+    pub pwd_hash: String
+}

src/main.rs

@@ -1,41 +1,23 @@
-#[macro_use]
-extern crate rocket;
-use mongodb::{bson::doc, options::ClientOptions, Client};
+#[macro_use] extern crate rocket;
 
+mod db_wrapper;
+mod auth;
 
 #[get("/")]
 fn index() -> &'static str {
     "Hello, world!"
 }
 
-#[launch]
-fn rocket() -> _ {
-    let mongo_result = start_mongo();
-    match mongo_result {
-        Result => println!("Everything is fine!"),
-    };
-    rocket::build().mount("/", routes![index])
-}
+#[rocket::main]
+async fn main() {
+    let rocket = rocket::build()
+        .mount("/", routes![index])
+        .mount("/auth", routes![auth::index, auth::login])
+        .launch()
+        .await;
 
-#[tokio::main]
-async fn start_mongo() -> mongodb::error::Result<()> {
-    // Parse your connection string into an options struct
-    let mut client_options =
-        ClientOptions::parse(env!("MONGODB_URI"))
-            .await?;
-    // Manually set an option
-    client_options.app_name = Some("Rust Demo".to_string());
-    // Get a handle to the cluster
-    let client = Client::with_options(client_options)?;
-    // Ping the server to see if you can connect to the cluster
-    client
-        .database("admin")
-        .run_command(doc! {"ping": 1}, None)
-        .await?;
-    println!("Connected successfully.");
-    // List the names of the databases in that cluster
-    for db_name in client.list_database_names(None, None).await? {
-        println!("{}", db_name);
+    match rocket {
+        Err(e) => println!("There seems to be an error with rocket!\n{:?}", e),
+        _ => ()
     }
-    Ok(())
-}
+}