feat(readarr): fetch Readarr downloads and expose them on the CLI

src/cli/readarr/list_command_handler.rs

@@ -72,6 +72,11 @@ pub enum ReadarrListCommand {
   },
   #[command(about = "List disk space details for all provisioned root folders in Readarr")]
   DiskSpace,
+  #[command(about = "List all active downloads in Readarr")]
+  Downloads {
+    #[arg(long, help = "How many downloads to fetch", default_value_t = 500)]
+    count: u64,
+  },
   #[command(about = "Fetch Readarr logs")]
   Logs {
     #[arg(long, help = "How many log events to fetch", default_value_t = 500)]
@@ -174,6 +179,13 @@ impl<'a, 'b> CliCommandHandler<'a, 'b, ReadarrListCommand> for ReadarrListComman
           .await?;
         serde_json::to_string_pretty(&resp)?
       }
+      ReadarrListCommand::Downloads { count } => {
+        let resp = self
+          .network
+          .handle_network_event(ReadarrEvent::GetDownloads(count).into())
+          .await?;
+        serde_json::to_string_pretty(&resp)?
+      }
       ReadarrListCommand::Logs {
         events,
         output_in_log_format,

src/cli/readarr/list_command_handler_tests.rs

@@ -52,6 +52,20 @@ mod tests {
       assert_eq!(result.unwrap_err().kind(), ErrorKind::InvalidValue);
     }
 
+    #[test]
+    fn test_list_downloads_count_flag_requires_arguments() {
+      let result = Cli::command().try_get_matches_from([
+        "managarr",
+        "readarr",
+        "list",
+        "downloads",
+        "--count",
+      ]);
+
+      assert_err!(&result);
+      assert_eq!(result.unwrap_err().kind(), ErrorKind::InvalidValue);
+    }
+
     #[test]
     fn test_list_author_history_requires_author_id() {
       let result =
@@ -234,6 +248,41 @@ mod tests {
       };
       assert_eq!(logs_command, expected_args);
     }
+
+    #[test]
+    fn test_list_downloads_default_values() {
+      let expected_args = ReadarrListCommand::Downloads { count: 500 };
+      let result = Cli::try_parse_from(["managarr", "readarr", "list", "downloads"]);
+
+      assert_ok!(&result);
+
+      let Some(Command::Readarr(ReadarrCommand::List(downloads_command))) = result.unwrap().command
+      else {
+        panic!("Unexpected command type");
+      };
+      assert_eq!(downloads_command, expected_args);
+    }
+
+    #[test]
+    fn test_list_downloads_success() {
+      let expected_args = ReadarrListCommand::Downloads { count: 1000 };
+      let result = Cli::try_parse_from([
+        "managarr",
+        "readarr",
+        "list",
+        "downloads",
+        "--count",
+        "1000",
+      ]);
+
+      assert_ok!(&result);
+
+      let Some(Command::Readarr(ReadarrCommand::List(downloads_command))) = result.unwrap().command
+      else {
+        panic!("Unexpected command type");
+      };
+      assert_eq!(downloads_command, expected_args);
+    }
   }
 
   mod handler {
@@ -433,6 +482,32 @@ mod tests {
       assert_ok!(&result);
     }
 
+    #[tokio::test]
+    async fn test_handle_list_downloads_command() {
+      let expected_count = 1000;
+      let mut mock_network = MockNetworkTrait::new();
+      mock_network
+        .expect_handle_network_event()
+        .with(eq::<NetworkEvent>(
+          ReadarrEvent::GetDownloads(expected_count).into(),
+        ))
+        .times(1)
+        .returning(|_| {
+          Ok(Serdeable::Readarr(ReadarrSerdeable::Value(
+            json!({"testResponse": "response"}),
+          )))
+        });
+      let app_arc = Arc::new(Mutex::new(App::test_default()));
+      let list_downloads_command = ReadarrListCommand::Downloads { count: 1000 };
+
+      let result =
+        ReadarrListCommandHandler::with(&app_arc, list_downloads_command, &mut mock_network)
+          .handle()
+          .await;
+
+      assert_ok!(&result);
+    }
+
     #[tokio::test]
     async fn test_handle_list_logs_command() {
       let expected_events = 1000;