auto-call downloader every day

Cargo.lock

@@ -194,6 +194,15 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
+[[package]]
+name = "croner"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c344b0690c1ad1c7176fe18eb173e0c927008fdaaa256e40dfd43ddd149c0843"
+dependencies = [
+ "chrono",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -727,6 +736,17 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "num-derive"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -804,6 +824,7 @@ dependencies = [
  "serde_json",
  "stream-download",
  "tokio",
+ "tokio-cron-scheduler",
  "tokio-stream",
 ]
 
@@ -1323,6 +1344,21 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "tokio-cron-scheduler"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c71ce8f810abc9fabebccc30302a952f9e89c6cf246fafaf170fef164063141"
+dependencies = [
+ "chrono",
+ "croner",
+ "num-derive",
+ "num-traits",
+ "tokio",
+ "tracing",
+ "uuid",
+]
+
 [[package]]
 name = "tokio-macros"
 version = "2.5.0"
@@ -1481,6 +1517,17 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
 
+[[package]]
+name = "uuid"
+version = "1.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f33196643e165781c20a5ead5582283a7dacbb87855d867fbc2df3f81eddc1be"
+dependencies = [
+ "getrandom 0.3.3",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "want"
 version = "0.3.1"

Cargo.toml

@@ -13,3 +13,4 @@ async-stream = "0.3"
 serde_json = "1"
 stream-download = "0.22"
 chrono = "0.4"
+tokio-cron-scheduler = "0.14.0"

src/lib.rs

@@ -17,15 +17,14 @@ async fn get_newest_morning_journal() -> Result<String, Box<dyn std::error::Erro
             if let Some(broadcasts) = day["broadcasts"].as_array() {
                 for broadcast in broadcasts.iter().rev() {
                     //if broadcast["title"] == "Ö1 Morgenjournal" {
-                    if broadcast["title"] == "Eröffnungskonzert Allegro Vivo" {
-                        if let Some(href) = broadcast["href"].as_str() {
+                    if broadcast["title"] == "Eröffnungskonzert Allegro Vivo"
+                        && let Some(href) = broadcast["href"].as_str() {
                             return Ok(href.into());
                         }
                 }
             }
         }
     }
-    }
 
     Err(String::from("No Ö1 Morgenjournal found").into())
 }

src/main.rs

@@ -2,8 +2,10 @@ mod state;
 mod streamer;
 
 use axum::{routing::get, Router};
+use chrono::Utc;
 use state::AppState;
 use std::sync::Arc;
+use tokio_cron_scheduler::{Job, JobScheduler};
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
@@ -11,7 +13,26 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     let app = Router::new()
         .route("/", get(streamer::stream_handler))
-        .with_state(state);
+        .with_state(state.clone());
+
+    let scheduler = JobScheduler::new().await.unwrap();
+    scheduler
+        .add(
+            Job::new_async(
+                "30 0 7 * * Mon,Tue,Wed,Thu,Fri,Sat",
+                move |_uuid, _locked| {
+                    let state_for_task = state.clone();
+                    Box::pin(async move {
+                        state_for_task.check_update().await;
+                        println!("Task executed at: {}", Utc::now());
+                    })
+                },
+            )
+            .unwrap(),
+        )
+        .await
+        .unwrap();
+    scheduler.start().await.unwrap();
 
     println!("Streaming server running on http://localhost:3029");
 

src/state.rs

@@ -25,11 +25,10 @@ impl AppState {
 
     pub async fn check_update(self: Arc<Self>) {
         let today = Local::now().date_naive();
-        if let Some(downloaded_on_day) = *self.downloaded_on_day.read().await {
-            if today == downloaded_on_day {
+        if let Some(downloaded_on_day) = *self.downloaded_on_day.read().await
+            && today == downloaded_on_day {
                 return;
             }
-        }
 
         self.reset().await;
         *self.downloaded_on_day.write().await = Some(today);