Put early queue work and apalis deps behind a "queue" feature.

Cargo.lock

@@ -6686,6 +6686,7 @@ name = "trailbase"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "apalis",
  "arc-swap",
  "argon2",
  "askama",

Cargo.toml

@@ -15,7 +15,6 @@ members = [
 ]
 default-members = [
   "client/trailbase-rs",
-  "trailbase-apalis",
   "trailbase-assets",
   "trailbase-cli",
   "trailbase-core",

trailbase-core/Cargo.toml

@@ -21,9 +21,11 @@ harness = false
 
 [features]
 default = ["v8"]
-v8 = ["dep:rustyscript", ]
+v8 = ["dep:rustyscript"]
+queue = ["dep:apalis", "dep:trailbase-apalis"]
 
 [dependencies]
+apalis = { version = "0.7.0", optional = true, default-features = false }
 arc-swap = "1.7.1"
 argon2 = { version = "^0.5.3", default-features = false, features = ["alloc", "password-hash"] }
 askama = { workspace = true }
@@ -78,7 +80,7 @@ tower-http = { version = "^0.6.0", default-features = false, features = ["cors",
 tower-service = { version = "0.3.3", default-features = false }
 tracing = { version = "0.1.40", default-features = false }
 tracing-subscriber = { version = "0.3.18", default-features = false, features = ["smallvec", "std", "fmt", "json"] }
-trailbase-apalis = { workspace = true }
+trailbase-apalis = { workspace = true, optional = true }
 trailbase-assets = { workspace = true }
 trailbase-extension = { workspace = true }
 trailbase-refinery-core = { workspace = true }

trailbase-core/src/app_state.rs

@@ -10,7 +10,7 @@ use crate::config::{validate_config, write_config_and_vault_textproto};
 use crate::data_dir::DataDir;
 use crate::email::Mailer;
 use crate::js::RuntimeHandle;
-use crate::queue::QueueStorage;
+use crate::queue::Queue;
 use crate::records::RecordApi;
 use crate::records::subscribe::SubscriptionManager;
 use crate::scheduler::{JobRegistry, build_job_registry_from_config};
@@ -34,7 +34,7 @@ struct InternalState {
 
   conn: trailbase_sqlite::Connection,
   logs_conn: trailbase_sqlite::Connection,
-  queue: QueueStorage,
+  queue: Queue,
 
   jwt: JwtHelper,
 
@@ -59,7 +59,7 @@ pub(crate) struct AppStateArgs {
   pub config: Config,
   pub conn: trailbase_sqlite::Connection,
   pub logs_conn: trailbase_sqlite::Connection,
-  pub queue: QueueStorage,
+  pub queue: Queue,
   pub jwt: JwtHelper,
   pub object_store: Box<dyn ObjectStore + Send + Sync>,
   pub js_runtime_threads: Option<usize>,
@@ -186,7 +186,7 @@ impl AppState {
     return &self.state.logs_conn;
   }
 
-  pub fn queue(&self) -> &QueueStorage {
+  pub fn queue(&self) -> &Queue {
     return &self.state.queue;
   }
 
@@ -441,7 +441,7 @@ pub async fn test_state(options: Option<TestStateOptions>) -> anyhow::Result<App
       config,
       conn: conn.clone(),
       logs_conn,
-      queue: crate::queue::init_queue_storage(None).await.unwrap(),
+      queue: Queue::new(None).await.unwrap(),
       jwt: jwt::test_jwt_helper(),
       table_metadata: table_metadata.clone(),
       subscription_manager: SubscriptionManager::new(conn.clone(), table_metadata, record_apis),

trailbase-core/src/queue.rs

@@ -1,6 +1,4 @@
-use serde::{Deserialize, Serialize};
 use thiserror::Error;
-use trailbase_apalis::sqlite::SqliteStorage;
 
 use crate::data_dir::DataDir;
 
@@ -10,18 +8,71 @@ pub enum QueueError {
   SqliteExtension(#[from] trailbase_extension::Error),
   #[error("SQLite error: {0}")]
   Sqlite(#[from] trailbase_sqlite::Error),
+  #[error("IO error: {0}")]
+  IO(#[from] std::io::Error),
 }
 
-#[derive(Debug, Serialize, Deserialize)]
-pub enum Job {
-  SendEmail(),
+#[cfg(feature = "queue")]
+pub(crate) mod queue_impl {
+  use log::*;
+  use serde::{Deserialize, Serialize};
+
+  use super::QueueError;
+
+  #[derive(Debug, Serialize, Deserialize)]
+  pub enum Job {
+    Something(),
+  }
+
+  pub async fn handle_job(job: Job) -> Result<(), QueueError> {
+    match job {
+      Job::Something() => {
+        info!("Queue got something");
+      }
+    }
+
+    return Ok(());
+  }
+
+  #[cfg(feature = "queue")]
+  pub(crate) type QueueStorage = trailbase_apalis::sqlite::SqliteStorage<Job>;
 }
 
-pub type QueueStorage = SqliteStorage<Job>;
+#[derive(Clone)]
+pub struct Queue {
+  #[cfg(feature = "queue")]
+  pub(crate) storage: queue_impl::QueueStorage,
+}
 
+impl Queue {
+  #[allow(unused)]
+  pub(crate) async fn new(data_dir: Option<&DataDir>) -> Result<Self, QueueError> {
+    return Ok(Self {
+      #[cfg(feature = "queue")]
+      storage: init_queue_storage(data_dir).await?,
+    });
+  }
+
+  #[cfg(feature = "queue")]
+  #[allow(unused)]
+  pub(crate) async fn run(&self) -> Result<(), QueueError> {
+    use apalis::prelude::*;
+
+    let monitor = Monitor::new().register({
+      WorkerBuilder::new("default-worker")
+        // .enable_tracing()
+        .backend(self.storage.clone())
+        .build_fn(queue_impl::handle_job)
+    });
+
+    return Ok(monitor.run().await?);
+  }
+}
+
+#[cfg(feature = "queue")]
 pub(crate) async fn init_queue_storage(
   data_dir: Option<&DataDir>,
-) -> Result<QueueStorage, QueueError> {
+) -> Result<queue_impl::QueueStorage, QueueError> {
   let queue_path = data_dir.map(|d| d.queue_db_path());
   let conn = trailbase_sqlite::Connection::new(
     || -> Result<_, trailbase_sqlite::Error> {
@@ -34,8 +85,51 @@ pub(crate) async fn init_queue_storage(
     None,
   )?;
 
-  SqliteStorage::setup(&conn).await?;
+  trailbase_apalis::sqlite::SqliteStorage::setup(&conn).await?;
 
-  let config = trailbase_apalis::Config::new("apalis::test");
-  return Ok(SqliteStorage::new_with_config(conn, config));
+  let config = trailbase_apalis::Config::new("ns::trailbase");
+  return Ok(queue_impl::QueueStorage::new_with_config(conn, config));
+}
+
+#[cfg(test)]
+#[cfg(feature = "queue")]
+mod tests {
+  use super::queue_impl::*;
+  use super::*;
+
+  use apalis::prelude::*;
+
+  #[tokio::test]
+  async fn test_queue() {
+    let mut queue = Queue::new(None).await.unwrap();
+
+    let (sender, receiver) = async_channel::unbounded::<()>();
+
+    let storage = queue.storage.clone();
+    let _ = tokio::spawn(async move {
+      let monitor = Monitor::new().register({
+        WorkerBuilder::new("default-worker")
+          .data(sender)
+          .backend(storage)
+          .build_fn(
+            async |job: Job, sender: Data<async_channel::Sender<()>>| -> Result<(), QueueError> {
+              match job {
+                Job::Something() => sender.send(()).await.unwrap(),
+              }
+
+              return Ok(());
+            },
+          )
+      });
+
+      return monitor.run().await;
+    });
+
+    let job = queue.storage.push(Job::Something()).await.unwrap();
+
+    let entry = queue.storage.fetch_by_id(&job.task_id).await.unwrap();
+    assert!(entry.is_some());
+
+    receiver.recv().await.unwrap();
+  }
 }

trailbase-core/src/server/init.rs

@@ -58,7 +58,7 @@ pub async fn init_app_state(
   let logs_conn = crate::connection::init_logs_db(Some(&data_dir))?;
 
   // TODO: At this early stage we're using an in-memory db. Go persistent before rolling out.
-  let queue = crate::queue::init_queue_storage(None).await?;
+  let queue = crate::queue::Queue::new(None).await?;
 
   // Open or init the main db. Note that we derive whether a new DB was initialized based on
   // whether the V1 migration had to be applied. Should be fairly robust.