1 files changed, 44 insertions, 0 deletions
diff --git a/import/src/musicbrainz.rs b/import/src/musicbrainz.rs
new file mode 100644
index 0000000..059b8f5
--- /dev/null
+++ b/import/src/musicbrainz.rs
@@ -0,0 +1,44 @@
+/*
+    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
+    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
+    Copyright (C) 2025 metamuffin <metamuffin.org>
+*/
+
+use reqwest::{
+    header::{HeaderMap, HeaderName, HeaderValue},
+    Client, ClientBuilder,
+};
+use std::sync::Arc;
+use tokio::sync::Semaphore;
+use crate::USER_AGENT;
+
+pub struct MusicBrainz {
+    client: Client,
+    key: String,
+    rate_limit: Arc<Semaphore>,
+}
+
+impl MusicBrainz {
+    pub fn new(api_key: &str) -> Self {
+        let client = ClientBuilder::new()
+            .default_headers(HeaderMap::from_iter([
+                (
+                    HeaderName::from_static("accept"),
+                    HeaderValue::from_static("application/json"),
+                ),
+                (
+                    HeaderName::from_static("user-agent"),
+                    HeaderValue::from_static(USER_AGENT),
+                ),
+            ]))
+            .build()
+            .unwrap();
+        Self {
+            client,
+            // send at most 1 req/s according to musicbrainz docs, each lock is held for 10s
+            // this implementation also never sends more than 10 requests in-flight.
+            rate_limit: Arc::new(Semaphore::new(10)),
+            key: api_key.to_owned(),
+        }
+    }
+}