hexagonal refactor

src/services.rs

@@ -0,0 +1,337 @@
+use std::sync::Arc;
+
+use crate::domain::{DomainError, DomainResult, GroceryList, Item, SessionUser, User};
+use crate::ports::{
+    CategoryRepository, InvitationRepository, ItemRepository, ListRepository, PasswordHasher,
+    RealtimeNotifier, SessionRepository, TokenGenerator, UserRepository,
+};
+use crate::sqlite::SqliteDatabase;
+
+pub struct AuthService {
+    db: SqliteDatabase,
+    users: Arc<dyn UserRepository>,
+    sessions: Arc<dyn SessionRepository>,
+    invitations: Arc<dyn InvitationRepository>,
+    hasher: Arc<dyn PasswordHasher>,
+    registration_mode: RegistrationMode,
+}
+
+#[derive(Clone, Copy, PartialEq, Eq)]
+pub enum RegistrationMode {
+    Open,
+    InviteOnly,
+}
+
+impl AuthService {
+    pub fn new(
+        db: SqliteDatabase,
+        users: Arc<dyn UserRepository>,
+        sessions: Arc<dyn SessionRepository>,
+        invitations: Arc<dyn InvitationRepository>,
+        hasher: Arc<dyn PasswordHasher>,
+        registration_mode: RegistrationMode,
+    ) -> Self {
+        Self {
+            db,
+            users,
+            sessions,
+            invitations,
+            hasher,
+            registration_mode,
+        }
+    }
+
+    pub async fn can_register(&self, invite: Option<&str>) -> DomainResult<bool> {
+        if self.registration_mode == RegistrationMode::Open {
+            return Ok(true);
+        }
+        let users = Arc::clone(&self.users);
+        let invitations = Arc::clone(&self.invitations);
+        let invite = invite.map(str::to_owned);
+        self.db
+            .run(move |txn| {
+                Box::pin(async move {
+                    if !users.has_users(txn).await? {
+                        return Ok(true);
+                    }
+                    let Some(invite) = invite.filter(|invite| !invite.is_empty()) else {
+                        return Ok(false);
+                    };
+                    invitations.invitation(txn, invite).await
+                })
+            })
+            .await
+    }
+
+    pub async fn register(
+        &self,
+        display_name: String,
+        email: String,
+        password: String,
+        invite: Option<&str>,
+    ) -> DomainResult<(User, String)> {
+        if !self.can_register(invite).await? {
+            return Err(DomainError::Conflict);
+        }
+        let password_hash = self.hasher.hash(&password).map_err(DomainError::Database)?;
+        let users = Arc::clone(&self.users);
+        let sessions = Arc::clone(&self.sessions);
+        self.db
+            .run(move |txn| {
+                Box::pin(async move {
+                    let user = users
+                        .create_user(txn, email, display_name, password_hash)
+                        .await?;
+                    let (session_token, _) = sessions.create_session(txn, user.id).await?;
+                    Ok((user, session_token))
+                })
+            })
+            .await
+    }
+
+    pub async fn login(
+        &self,
+        email: String,
+        password: String,
+    ) -> DomainResult<Option<(User, String)>> {
+        let users = Arc::clone(&self.users);
+        let sessions = Arc::clone(&self.sessions);
+        let hasher = Arc::clone(&self.hasher);
+        self.db
+            .run(move |txn| {
+                Box::pin(async move {
+                    let Some((user, password_hash)) = users.find_user_by_email(txn, email).await?
+                    else {
+                        return Ok(None);
+                    };
+                    let valid = hasher
+                        .verify(&password, &password_hash)
+                        .map_err(DomainError::Database)?;
+                    if !valid {
+                        return Ok(None);
+                    }
+                    let (session_token, _) = sessions.create_session(txn, user.id).await?;
+                    Ok(Some((user, session_token)))
+                })
+            })
+            .await
+    }
+
+    pub async fn session_user(&self, session_token: String) -> DomainResult<Option<SessionUser>> {
+        let sessions = Arc::clone(&self.sessions);
+        self.db
+            .run(move |txn| {
+                Box::pin(async move { sessions.session_user(txn, session_token).await })
+            })
+            .await
+    }
+
+    pub async fn logout(&self, session_token: String) -> DomainResult<()> {
+        let sessions = Arc::clone(&self.sessions);
+        self.db
+            .run(move |txn| {
+                Box::pin(async move { sessions.delete_session(txn, session_token).await })
+            })
+            .await
+    }
+}
+
+pub struct ListService {
+    db: SqliteDatabase,
+    lists: Arc<dyn ListRepository>,
+    categories: Arc<dyn CategoryRepository>,
+    items: Arc<dyn ItemRepository>,
+    realtime: Arc<dyn RealtimeNotifier>,
+}
+
+impl ListService {
+    pub fn new(
+        db: SqliteDatabase,
+        lists: Arc<dyn ListRepository>,
+        categories: Arc<dyn CategoryRepository>,
+        items: Arc<dyn ItemRepository>,
+        realtime: Arc<dyn RealtimeNotifier>,
+    ) -> Self {
+        Self {
+            db,
+            lists,
+            categories,
+            items,
+            realtime,
+        }
+    }
+
+    pub async fn list_summaries(&self) -> DomainResult<Vec<GroceryList>> {
+        let lists = Arc::clone(&self.lists);
+        self.db
+            .run(move |txn| Box::pin(async move { lists.list_summaries(txn).await }))
+            .await
+    }
+
+    pub async fn create_list(&self, name: String) -> DomainResult<GroceryList> {
+        let lists = Arc::clone(&self.lists);
+        self.db
+            .run(move |txn| Box::pin(async move { lists.create_list(txn, name).await }))
+            .await
+    }
+
+    pub async fn get_list(&self, list_id: i64) -> DomainResult<Option<GroceryList>> {
+        let lists = Arc::clone(&self.lists);
+        self.db
+            .run(move |txn| Box::pin(async move { lists.get_list(txn, list_id).await }))
+            .await
+    }
+
+    pub async fn items(&self, list_id: i64) -> DomainResult<Vec<Item>> {
+        let items = Arc::clone(&self.items);
+        self.db
+            .run(move |txn| Box::pin(async move { items.items(txn, list_id).await }))
+            .await
+    }
+
+    pub async fn categories(&self, list_id: i64) -> DomainResult<Vec<crate::domain::Category>> {
+        let categories = Arc::clone(&self.categories);
+        self.db
+            .run(move |txn| Box::pin(async move { categories.categories(txn, list_id).await }))
+            .await
+    }
+
+    pub async fn add_item(
+        &self,
+        list_id: i64,
+        name: String,
+        quantity: String,
+        note: String,
+        category_id: Option<i64>,
+    ) -> DomainResult<i64> {
+        let items = Arc::clone(&self.items);
+        let revision = self
+            .db
+            .run(move |txn| {
+                Box::pin(async move {
+                    items
+                        .add_item(txn, list_id, name, quantity, note, category_id)
+                        .await
+                })
+            })
+            .await?;
+        self.realtime.publish_list_changed(list_id, revision).await;
+        Ok(revision)
+    }
+
+    pub async fn set_item_checked(
+        &self,
+        list_id: i64,
+        item_id: i64,
+        checked: bool,
+    ) -> DomainResult<i64> {
+        let items = Arc::clone(&self.items);
+        let revision = self
+            .db
+            .run(move |txn| {
+                Box::pin(
+                    async move { items.set_item_checked(txn, list_id, item_id, checked).await },
+                )
+            })
+            .await?;
+        self.realtime.publish_list_changed(list_id, revision).await;
+        Ok(revision)
+    }
+
+    pub async fn update_item(
+        &self,
+        list_id: i64,
+        item_id: i64,
+        name: String,
+        quantity: String,
+        note: String,
+        category_id: Option<i64>,
+    ) -> DomainResult<i64> {
+        let items = Arc::clone(&self.items);
+        let revision = self
+            .db
+            .run(move |txn| {
+                Box::pin(async move {
+                    items
+                        .update_item(txn, list_id, item_id, name, quantity, note, category_id)
+                        .await
+                })
+            })
+            .await?;
+        self.realtime.publish_list_changed(list_id, revision).await;
+        Ok(revision)
+    }
+
+    pub async fn delete_item(&self, list_id: i64, item_id: i64) -> DomainResult<i64> {
+        let items = Arc::clone(&self.items);
+        let revision = self
+            .db
+            .run(move |txn| Box::pin(async move { items.delete_item(txn, list_id, item_id).await }))
+            .await?;
+        self.realtime.publish_list_changed(list_id, revision).await;
+        Ok(revision)
+    }
+
+    pub async fn create_category(&self, list_id: i64, name: String) -> DomainResult<i64> {
+        let categories = Arc::clone(&self.categories);
+        let revision = self
+            .db
+            .run(move |txn| {
+                Box::pin(async move { categories.create_category(txn, list_id, name).await })
+            })
+            .await?;
+        self.realtime.publish_list_changed(list_id, revision).await;
+        Ok(revision)
+    }
+}
+
+pub struct InvitationService {
+    db: SqliteDatabase,
+    invitations: Arc<dyn InvitationRepository>,
+    tokens: Arc<dyn TokenGenerator>,
+}
+
+impl InvitationService {
+    pub fn new(
+        db: SqliteDatabase,
+        invitations: Arc<dyn InvitationRepository>,
+        tokens: Arc<dyn TokenGenerator>,
+    ) -> Self {
+        Self {
+            db,
+            invitations,
+            tokens,
+        }
+    }
+
+    pub async fn create_invitation(&self, created_by: i64) -> DomainResult<String> {
+        let token = self.tokens.generate();
+        let invitations = Arc::clone(&self.invitations);
+        self.db
+            .run(move |txn| {
+                Box::pin(async move {
+                    invitations
+                        .create_invitation(txn, created_by, token.clone())
+                        .await?;
+                    Ok(token)
+                })
+            })
+            .await
+    }
+
+    pub async fn invitation(&self, token: String) -> DomainResult<bool> {
+        let invitations = Arc::clone(&self.invitations);
+        self.db
+            .run(move |txn| Box::pin(async move { invitations.invitation(txn, token).await }))
+            .await
+    }
+
+    pub async fn accept_invitation(&self, token: String) -> DomainResult<()> {
+        let invitations = Arc::clone(&self.invitations);
+        self.db
+            .run(move |txn| {
+                Box::pin(async move { invitations.accept_invitation(txn, token).await })
+            })
+            .await
+    }
+}