Update dependencies and implement email service integration

- Refactor app and email modules to include email service
- Add tests for user sign-up and mock email service

backend/tests/utils/mod.rs

@@ -0,0 +1,61 @@
+use std::error::Error;
+
+use recipes::{app, config, data::db, log};
+
+mod mock_email;
+
+pub async fn common_state() -> Result<app::AppState, Box<dyn Error>> {
+    let db_connection = db::Connection::new_in_memory().await?;
+    let config = config::Config::default();
+    let log = log::Log::new_no_log();
+    Ok(app::AppState {
+        config,
+        db_connection,
+        log,
+        email_service: mock_email::MockEmailService::create_service(),
+    })
+}
+
+pub async fn create_user(
+    db_connection: &db::Connection,
+    email: &str,
+    password: &str,
+) -> Result<i64, Box<dyn Error>> {
+    if let db::user::SignUpResult::UserCreatedWaitingForValidation(token) = db_connection
+        .sign_up(email, password, chrono::Weekday::Mon)
+        .await?
+    {
+        if let db::user::ValidationResult::Ok(_, user_id) = db_connection
+            .validation(&token, chrono::Duration::hours(1), "", "")
+            .await?
+        {
+            Ok(user_id)
+        } else {
+            Err(Box::<dyn Error>::from("Unable to validate user"))
+        }
+    } else {
+        Err(Box::<dyn Error>::from("Unable to sign up"))
+    }
+}
+
+pub async fn sign_in(
+    db_connection: &db::Connection,
+    email: &str,
+    password: &str,
+) -> Result<String, Box<dyn Error>> {
+    match db_connection.sign_in(email, password, "", "").await? {
+        db::user::SignInResult::Ok(token, _) => Ok(token),
+        _ => Err(Box::<dyn Error>::from("Unable to sign in")),
+    }
+}
+
+pub async fn create_recipe(
+    db_connection: &db::Connection,
+    user_id: i64,
+    title: &str,
+) -> Result<i64, Box<dyn Error>> {
+    let recipe_id = db_connection.create_recipe(user_id).await?;
+    db_connection.set_recipe_title(recipe_id, title).await?;
+    db_connection.set_recipe_is_public(recipe_id, true).await?;
+    Ok(recipe_id)
+}