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

src/cli/readarr/list_command_handler.rs

@@ -37,6 +37,15 @@ pub enum ReadarrListCommand {
     )]
     book_id: i64,
   },
+  #[command(about = "List all book files for the book with the given ID")]
+  BookFiles {
+    #[arg(
+      long,
+      help = "The Readarr ID of the book whose book files you want to list",
+      required = true
+    )]
+    book_id: i64,
+  },
   #[command(about = "List all books for the author with the given ID")]
   Books {
     #[arg(
@@ -122,6 +131,13 @@ impl<'a, 'b> CliCommandHandler<'a, 'b, ReadarrListCommand> for ReadarrListComman
           .await?;
         serde_json::to_string_pretty(&resp)?
       }
+      ReadarrListCommand::BookFiles { book_id } => {
+        let resp = self
+          .network
+          .handle_network_event(ReadarrEvent::GetBookFiles(book_id).into())
+          .await?;
+        serde_json::to_string_pretty(&resp)?
+      }
       ReadarrListCommand::Books { author_id } => {
         let resp = self
           .network

src/cli/readarr/list_command_handler_tests.rs

@@ -130,6 +130,40 @@ mod tests {
       assert_eq!(book_editions_command, expected_args);
     }
 
+    #[test]
+    fn test_list_book_files_requires_book_id() {
+      let result =
+        Cli::command().try_get_matches_from(["managarr", "readarr", "list", "book-files"]);
+
+      assert_err!(&result);
+      assert_eq!(
+        result.unwrap_err().kind(),
+        ErrorKind::MissingRequiredArgument
+      );
+    }
+
+    #[test]
+    fn test_list_book_files_success() {
+      let expected_args = ReadarrListCommand::BookFiles { book_id: 1 };
+      let result = Cli::try_parse_from([
+        "managarr",
+        "readarr",
+        "list",
+        "book-files",
+        "--book-id",
+        "1",
+      ]);
+
+      assert_ok!(&result);
+
+      let Some(Command::Readarr(ReadarrCommand::List(book_files_command))) =
+        result.unwrap().command
+      else {
+        panic!("Unexpected command type");
+      };
+      assert_eq!(book_files_command, expected_args);
+    }
+
     #[test]
     fn test_list_books_success() {
       let expected_args = ReadarrListCommand::Books { author_id: 1 };
@@ -281,6 +315,32 @@ mod tests {
       assert_ok!(&result);
     }
 
+    #[tokio::test]
+    async fn test_handle_list_book_files_command() {
+      let expected_book_id = 1;
+      let mut mock_network = MockNetworkTrait::new();
+      mock_network
+        .expect_handle_network_event()
+        .with(eq::<NetworkEvent>(
+          ReadarrEvent::GetBookFiles(expected_book_id).into(),
+        ))
+        .times(1)
+        .returning(|_| {
+          Ok(Serdeable::Readarr(ReadarrSerdeable::Value(
+            json!({"testResponse": "response"}),
+          )))
+        });
+      let app_arc = Arc::new(Mutex::new(App::test_default()));
+      let list_book_files_command = ReadarrListCommand::BookFiles { book_id: 1 };
+
+      let result =
+        ReadarrListCommandHandler::with(&app_arc, list_book_files_command, &mut mock_network)
+          .handle()
+          .await;
+
+      assert_ok!(&result);
+    }
+
     #[tokio::test]
     async fn test_handle_list_disk_space_command() {
       let mut mock_network = MockNetworkTrait::new();