Per-tracker seeding rules and torrent reaper (#88)

crates/arr-dl/src/lib.rs

@@ -68,6 +68,9 @@ pub struct Torrent {
     pub progress: f64,
     pub download_dir: PathBuf,
     pub labels: Vec<String>,
+    /// Transmission has stopped this torrent because its configured seeding
+    /// ratio or idle limit was reached.
+    pub is_finished: bool,
 }
 
 /// One file inside a torrent, as Transmission reports it.
@@ -225,7 +228,7 @@ impl TransmissionClient {
                 json!({
                     "fields": [
                         "id", "name", "hashString", "status", "percentDone",
-                        "downloadDir", "labels"
+                        "downloadDir", "labels", "isFinished"
                     ]
                 }),
             )
@@ -383,6 +386,8 @@ struct RpcTorrent {
     download_dir: PathBuf,
     #[serde(default)]
     labels: Vec<String>,
+    #[serde(rename = "isFinished", default)]
+    is_finished: bool,
 }
 
 impl From<RpcTorrent> for Torrent {
@@ -406,6 +411,7 @@ impl From<RpcTorrent> for Torrent {
             progress: value.progress,
             download_dir: value.download_dir,
             labels: value.labels,
+            is_finished: value.is_finished,
         }
     }
 }