feat(readarr): delete a book and expose the command on the CLI

The delete flags travel as query parameters rather than a request body,
and Readarr spells the exclusion key addImportListExclusion, not the
addImportExclusion that Radarr uses.

src/cli/readarr/delete_command_handler.rs

@@ -27,6 +27,15 @@ pub enum ReadarrDeleteCommand {
     #[arg(long, help = "Add a list exclusion for this author")]
     add_list_exclusion: bool,
   },
+  #[command(about = "Delete a book from your Readarr library")]
+  Book {
+    #[arg(long, help = "The ID of the book to delete", required = true)]
+    book_id: i64,
+    #[arg(long, help = "Delete the book files from disk as well")]
+    delete_files_from_disk: bool,
+    #[arg(long, help = "Add a list exclusion for this book")]
+    add_list_exclusion: bool,
+  },
   #[command(about = "Delete the root folder with the given ID")]
   RootFolder {
     #[arg(long, help = "The ID of the root folder to delete", required = true)]
@@ -84,6 +93,22 @@ impl<'a, 'b> CliCommandHandler<'a, 'b, ReadarrDeleteCommand>
           .await?;
         serde_json::to_string_pretty(&resp)?
       }
+      ReadarrDeleteCommand::Book {
+        book_id,
+        delete_files_from_disk,
+        add_list_exclusion,
+      } => {
+        let delete_book_params = DeleteParams {
+          id: book_id,
+          delete_files: delete_files_from_disk,
+          add_import_list_exclusion: add_list_exclusion,
+        };
+        let resp = self
+          .network
+          .handle_network_event(ReadarrEvent::DeleteBook(delete_book_params).into())
+          .await?;
+        serde_json::to_string_pretty(&resp)?
+      }
       ReadarrDeleteCommand::RootFolder { root_folder_id } => {
         let resp = self
           .network

src/cli/readarr/delete_command_handler_tests.rs

@@ -104,6 +104,79 @@ mod tests {
       assert_eq!(delete_command, expected_args);
     }
 
+    #[test]
+    fn test_delete_book_requires_arguments() {
+      let result = Cli::command().try_get_matches_from(["managarr", "readarr", "delete", "book"]);
+
+      assert_err!(&result);
+      assert_eq!(
+        result.unwrap_err().kind(),
+        ErrorKind::MissingRequiredArgument
+      );
+    }
+
+    #[test]
+    fn test_delete_book_book_id_requires_a_number() {
+      let result = Cli::command().try_get_matches_from([
+        "managarr",
+        "readarr",
+        "delete",
+        "book",
+        "--book-id",
+        "not_a_number",
+      ]);
+
+      assert_err!(&result);
+      assert_eq!(result.unwrap_err().kind(), ErrorKind::ValueValidation);
+    }
+
+    #[test]
+    fn test_delete_book_defaults() {
+      let expected_args = ReadarrDeleteCommand::Book {
+        book_id: 1,
+        delete_files_from_disk: false,
+        add_list_exclusion: false,
+      };
+
+      let result = Cli::try_parse_from(["managarr", "readarr", "delete", "book", "--book-id", "1"]);
+
+      assert_ok!(&result);
+
+      let Some(Command::Readarr(ReadarrCommand::Delete(delete_command))) = result.unwrap().command
+      else {
+        panic!("Unexpected command type");
+      };
+      assert_eq!(delete_command, expected_args);
+    }
+
+    #[test]
+    fn test_delete_book_all_args_defined() {
+      let expected_args = ReadarrDeleteCommand::Book {
+        book_id: 1,
+        delete_files_from_disk: true,
+        add_list_exclusion: true,
+      };
+
+      let result = Cli::try_parse_from([
+        "managarr",
+        "readarr",
+        "delete",
+        "book",
+        "--book-id",
+        "1",
+        "--delete-files-from-disk",
+        "--add-list-exclusion",
+      ]);
+
+      assert_ok!(&result);
+
+      let Some(Command::Readarr(ReadarrCommand::Delete(delete_command))) = result.unwrap().command
+      else {
+        panic!("Unexpected command type");
+      };
+      assert_eq!(delete_command, expected_args);
+    }
+
     #[test]
     fn test_delete_root_folder_requires_arguments() {
       let result =
@@ -248,6 +321,40 @@ mod tests {
       assert_ok!(&result);
     }
 
+    #[tokio::test]
+    async fn test_handle_delete_book_command() {
+      let expected_delete_book_params = DeleteParams {
+        id: 1,
+        delete_files: true,
+        add_import_list_exclusion: false,
+      };
+      let mut mock_network = MockNetworkTrait::new();
+      mock_network
+        .expect_handle_network_event()
+        .with(eq::<NetworkEvent>(
+          ReadarrEvent::DeleteBook(expected_delete_book_params).into(),
+        ))
+        .times(1)
+        .returning(|_| {
+          Ok(Serdeable::Readarr(ReadarrSerdeable::Value(
+            json!({"testResponse": "response"}),
+          )))
+        });
+      let app_arc = Arc::new(Mutex::new(App::test_default()));
+      let delete_book_command = ReadarrDeleteCommand::Book {
+        book_id: 1,
+        delete_files_from_disk: true,
+        add_list_exclusion: false,
+      };
+
+      let result =
+        ReadarrDeleteCommandHandler::with(&app_arc, delete_book_command, &mut mock_network)
+          .handle()
+          .await;
+
+      assert_ok!(&result);
+    }
+
     #[tokio::test]
     async fn test_handle_delete_root_folder_command() {
       let mut mock_network = MockNetworkTrait::new();

src/network/readarr_network/library/books/mod.rs

@@ -4,7 +4,7 @@ use serde_json::{Value, json};
 
 use crate::models::Route;
 use crate::models::readarr_models::{
-  Book, BookFile, Edition, ReadarrCommandBody, ReadarrHistoryItem,
+  Book, BookFile, DeleteParams, Edition, ReadarrCommandBody, ReadarrHistoryItem,
 };
 use crate::models::servarr_data::readarr::readarr_data::ActiveReadarrBlock;
 use crate::network::readarr_network::ReadarrEvent;
@@ -15,6 +15,38 @@ use crate::network::{Network, RequestMethod};
 mod readarr_books_network_tests;
 
 impl Network<'_, '_> {
+  pub(in crate::network::readarr_network) async fn delete_book(
+    &mut self,
+    delete_book_params: DeleteParams,
+  ) -> Result<()> {
+    let event = ReadarrEvent::DeleteBook(DeleteParams::default());
+    let DeleteParams {
+      id,
+      delete_files,
+      add_import_list_exclusion,
+    } = delete_book_params;
+
+    info!(
+      "Deleting Readarr book with ID: {id} with deleteFiles={delete_files} and addImportListExclusion={add_import_list_exclusion}"
+    );
+
+    let request_props = self
+      .request_props_from(
+        event,
+        RequestMethod::Delete,
+        None::<()>,
+        Some(format!("/{id}")),
+        Some(format!(
+          "deleteFiles={delete_files}&addImportListExclusion={add_import_list_exclusion}"
+        )),
+      )
+      .await;
+
+    self
+      .handle_request::<(), ()>(request_props, |_, _| ())
+      .await
+  }
+
   pub(in crate::network::readarr_network) async fn get_book_details(
     &mut self,
     book_id: i64,

src/network/readarr_network/library/books/readarr_books_network_tests.rs

@@ -1,7 +1,7 @@
 #[cfg(test)]
 mod tests {
   use crate::models::readarr_models::{
-    Book, BookFile, Edition, ReadarrHistoryItem, ReadarrSerdeable,
+    Book, BookFile, DeleteParams, Edition, ReadarrHistoryItem, ReadarrSerdeable,
   };
   use crate::models::servarr_data::readarr::modals::BookDetailsModal;
   use crate::models::servarr_data::readarr::readarr_data::ActiveReadarrBlock;
@@ -18,6 +18,60 @@ mod tests {
   use rstest::rstest;
   use serde_json::{Value, json};
 
+  #[rstest]
+  #[case(true, false, "deleteFiles=true&addImportListExclusion=false")]
+  #[case(false, true, "deleteFiles=false&addImportListExclusion=true")]
+  #[tokio::test]
+  async fn test_handle_delete_book_event(
+    #[case] delete_files: bool,
+    #[case] add_import_list_exclusion: bool,
+    #[case] expected_query: &str,
+  ) {
+    let delete_book_params = DeleteParams {
+      id: 1,
+      delete_files,
+      add_import_list_exclusion,
+    };
+    let (mock, app, _server) = MockServarrApi::delete()
+      .path("/1")
+      .query(expected_query)
+      .build_for(ReadarrEvent::DeleteBook(delete_book_params.clone()))
+      .await;
+    app.lock().await.server_tabs.set_index(3);
+    let mut network = test_network(&app);
+
+    let result = network
+      .handle_readarr_event(ReadarrEvent::DeleteBook(delete_book_params))
+      .await;
+
+    mock.assert_async().await;
+    assert_ok!(result);
+  }
+
+  #[tokio::test]
+  async fn test_handle_delete_book_event_failure() {
+    let delete_book_params = DeleteParams {
+      id: 1,
+      delete_files: true,
+      add_import_list_exclusion: false,
+    };
+    let (mock, app, _server) = MockServarrApi::delete()
+      .path("/1")
+      .query("deleteFiles=true&addImportListExclusion=false")
+      .status(500)
+      .build_for(ReadarrEvent::DeleteBook(delete_book_params.clone()))
+      .await;
+    app.lock().await.server_tabs.set_index(3);
+    let mut network = test_network(&app);
+
+    let result = network
+      .handle_readarr_event(ReadarrEvent::DeleteBook(delete_book_params))
+      .await;
+
+    mock.assert_async().await;
+    assert_err!(result);
+  }
+
   #[tokio::test]
   async fn test_handle_get_book_details_event() {
     let expected_book: Book = serde_json::from_str(BOOK_JSON).unwrap();

src/network/readarr_network/mod.rs

@@ -28,6 +28,7 @@ pub enum ReadarrEvent {
   AddRootFolder(AddReadarrRootFolderBody),
   AddTag(String),
   DeleteAuthor(DeleteParams),
+  DeleteBook(DeleteParams),
   DeleteRootFolder(i64),
   DeleteTag(i64),
   EditAuthor(EditAuthorParams),
@@ -72,7 +73,8 @@ impl NetworkResource for ReadarrEvent {
       | ReadarrEvent::ListAuthors
       | ReadarrEvent::ToggleAuthorMonitoring(_) => "/author",
       ReadarrEvent::SearchNewAuthor(_) => "/author/lookup",
-      ReadarrEvent::GetBookDetails(_)
+      ReadarrEvent::DeleteBook(_)
+      | ReadarrEvent::GetBookDetails(_)
       | ReadarrEvent::GetBooks(_)
       | ReadarrEvent::ToggleBookMonitoring(_) => "/book",
       ReadarrEvent::GetBookFiles(_) => "/bookfile",
@@ -123,6 +125,10 @@ impl Network<'_, '_> {
         .delete_author(delete_author_params)
         .await
         .map(ReadarrSerdeable::from),
+      ReadarrEvent::DeleteBook(delete_book_params) => self
+        .delete_book(delete_book_params)
+        .await
+        .map(ReadarrSerdeable::from),
       ReadarrEvent::DeleteRootFolder(root_folder_id) => self
         .delete_readarr_root_folder(root_folder_id)
         .await

src/network/readarr_network/readarr_network_tests.rs

@@ -22,6 +22,7 @@ mod tests {
   #[case(ReadarrEvent::ListAuthors, "/author")]
   #[case(ReadarrEvent::ToggleAuthorMonitoring(1), "/author")]
   #[case(ReadarrEvent::SearchNewAuthor(String::new()), "/author/lookup")]
+  #[case(ReadarrEvent::DeleteBook(DeleteParams::default()), "/book")]
   #[case(ReadarrEvent::GetBookDetails(1), "/book")]
   #[case(ReadarrEvent::GetBooks(1), "/book")]
   #[case(ReadarrEvent::ToggleBookMonitoring(1), "/book")]