WIP: use apalis to schedule jobs

crates/cli/src/commands/worker.rs

@@ -0,0 +1,51 @@
+// Copyright 2023 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use clap::Parser;
+use mas_config::RootConfig;
+use mas_router::UrlBuilder;
+use tracing::{info_span, log::info};
+
+use crate::util::{database_from_config, mailer_from_config, templates_from_config};
+
+#[derive(Parser, Debug, Default)]
+pub(super) struct Options {}
+
+impl Options {
+    pub async fn run(&self, root: &super::Options) -> anyhow::Result<()> {
+        let span = info_span!("cli.worker.init").entered();
+        let config: RootConfig = root.load_config()?;
+
+        // Connect to the database
+        info!("Conntecting to the database");
+        let pool = database_from_config(&config.database).await?;
+
+        let url_builder = UrlBuilder::new(config.http.public_base.clone());
+
+        // Load and compile the templates
+        let templates = templates_from_config(&config.templates, &url_builder).await?;
+
+        let mailer = mailer_from_config(&config.email, &templates).await?;
+        mailer.test_connection().await?;
+        drop(config);
+
+        info!("Starting task scheduler");
+        let monitor = mas_tasks::init(&pool, &mailer);
+
+        span.exit();
+
+        monitor.run().await?;
+        Ok(())
+    }
+}