feat: Added <CTRL+S> keybinding to get the total size of selected paths. (#367)

* feat: Added `<CTRL+S>` keybinding to get the total size of selected paths.

closes #297

src/ui/activities/filetransfer/actions/file_size.rs

@@ -0,0 +1,94 @@
+use remotefs::File;
+
+use super::{FileTransferActivity, LogLevel};
+use crate::ui::activities::filetransfer::lib::browser::FileExplorerTab;
+
+#[derive(Debug, Copy, Clone)]
+enum Host {
+    HostBridge,
+    Remote,
+}
+
+impl FileTransferActivity {
+    pub(crate) fn action_get_file_size(&mut self) {
+        // Get selected file
+        self.mount_blocking_wait("Getting total path size...");
+
+        let total_size = match self.browser.tab() {
+            FileExplorerTab::HostBridge => {
+                let files = self.get_local_selected_entries().get_files();
+                self.get_files_size(files, Host::HostBridge)
+            }
+            FileExplorerTab::Remote => {
+                let files = self.get_remote_selected_entries().get_files();
+                self.get_files_size(files, Host::Remote)
+            }
+            FileExplorerTab::FindHostBridge => {
+                let files = self.get_found_selected_entries().get_files();
+                self.get_files_size(files, Host::HostBridge)
+            }
+            FileExplorerTab::FindRemote => {
+                let files = self.get_found_selected_entries().get_files();
+                self.get_files_size(files, Host::Remote)
+            }
+        };
+
+        self.umount_wait();
+        self.mount_info(format!(
+            "Total file size: {size}",
+            size = bytesize::ByteSize::b(total_size)
+        ));
+    }
+
+    fn get_files_size(&mut self, files: Vec<File>, host: Host) -> u64 {
+        files.into_iter().map(|f| self.get_file_size(f, host)).sum()
+    }
+
+    fn get_file_size(&mut self, file: File, host: Host) -> u64 {
+        if let Some(symlink) = &file.metadata().symlink {
+            // stat
+            let stat_res = match host {
+                Host::HostBridge => self.host_bridge.stat(symlink).map_err(|e| e.to_string()),
+                Host::Remote => self.client.stat(symlink).map_err(|e| e.to_string()),
+            };
+            match stat_res {
+                Ok(stat) => stat.metadata().size,
+                Err(err_msg) => {
+                    self.log(
+                        LogLevel::Error,
+                        format!(
+                            "Failed to stat symlink target {path}: {err_msg}",
+                            path = symlink.display(),
+                        ),
+                    );
+                    0
+                }
+            }
+        } else if file.is_dir() {
+            // list and sum
+            let list_res = match host {
+                Host::HostBridge => self
+                    .host_bridge
+                    .list_dir(&file.path)
+                    .map_err(|e| e.to_string()),
+                Host::Remote => self.client.list_dir(&file.path).map_err(|e| e.to_string()),
+            };
+
+            match list_res {
+                Ok(list) => list.into_iter().map(|f| self.get_file_size(f, host)).sum(),
+                Err(err_msg) => {
+                    self.log(
+                        LogLevel::Error,
+                        format!(
+                            "Failed to list directory {path}: {err_msg}",
+                            path = file.path.display(),
+                        ),
+                    );
+                    0
+                }
+            }
+        } else {
+            file.metadata().size
+        }
+    }
+}

src/ui/activities/filetransfer/actions/mod.rs

@@ -23,6 +23,7 @@ pub(crate) mod copy;
 pub(crate) mod delete;
 pub(crate) mod edit;
 pub(crate) mod exec;
+pub(crate) mod file_size;
 pub(crate) mod filter;
 pub(crate) mod find;
 pub(crate) mod mark;

src/ui/activities/filetransfer/components/popups.rs

@@ -644,6 +644,11 @@ impl KeybindingsPopup {
                         .add_col(TextSpan::new("<CTRL+C>").bold().fg(key_color))
                         .add_col(TextSpan::from("          Interrupt file transfer"))
                         .add_row()
+                        .add_col(TextSpan::new("<CTRL+S>").bold().fg(key_color))
+                        .add_col(TextSpan::from(
+                            "          Get total path size of selected files",
+                        ))
+                        .add_row()
                         .add_col(TextSpan::new("<CTRL+T>").bold().fg(key_color))
                         .add_col(TextSpan::from("          Show watched paths"))
                         .build(),

src/ui/activities/filetransfer/components/transfer/mod.rs

@@ -192,6 +192,10 @@ impl ExplorerFuzzy {
                 code: Key::Char('i'),
                 modifiers: KeyModifiers::NONE,
             }) => Some(Msg::Ui(UiMsg::ShowFileInfoPopup)),
+            Event::Keyboard(KeyEvent {
+                code: Key::Char('s'),
+                modifiers: KeyModifiers::CONTROL,
+            }) => Some(Msg::Transfer(TransferMsg::GetFileSize)),
             Event::Keyboard(KeyEvent {
                 code: Key::Char('s') | Key::Function(2),
                 modifiers: KeyModifiers::NONE,
@@ -338,6 +342,10 @@ impl Component<Msg, NoUserEvent> for ExplorerFind {
                 code: Key::Char('i'),
                 modifiers: KeyModifiers::NONE,
             }) => Some(Msg::Ui(UiMsg::ShowFileInfoPopup)),
+            Event::Keyboard(KeyEvent {
+                code: Key::Char('s'),
+                modifiers: KeyModifiers::CONTROL,
+            }) => Some(Msg::Transfer(TransferMsg::GetFileSize)),
             Event::Keyboard(KeyEvent {
                 code: Key::Char('s') | Key::Function(2),
                 modifiers: KeyModifiers::NONE,
@@ -528,6 +536,10 @@ impl Component<Msg, NoUserEvent> for ExplorerLocal {
                 code: Key::Char('r') | Key::Function(6),
                 modifiers: KeyModifiers::NONE,
             }) => Some(Msg::Ui(UiMsg::ShowRenamePopup)),
+            Event::Keyboard(KeyEvent {
+                code: Key::Char('s'),
+                modifiers: KeyModifiers::CONTROL,
+            }) => Some(Msg::Transfer(TransferMsg::GetFileSize)),
             Event::Keyboard(KeyEvent {
                 code: Key::Char('s') | Key::Function(2),
                 modifiers: KeyModifiers::NONE,
@@ -742,6 +754,10 @@ impl Component<Msg, NoUserEvent> for ExplorerRemote {
                 code: Key::Char('r') | Key::Function(6),
                 modifiers: KeyModifiers::NONE,
             }) => Some(Msg::Ui(UiMsg::ShowRenamePopup)),
+            Event::Keyboard(KeyEvent {
+                code: Key::Char('s'),
+                modifiers: KeyModifiers::CONTROL,
+            }) => Some(Msg::Transfer(TransferMsg::GetFileSize)),
             Event::Keyboard(KeyEvent {
                 code: Key::Char('s') | Key::Function(2),
                 modifiers: KeyModifiers::NONE,

src/ui/activities/filetransfer/mod.rs

@@ -117,6 +117,7 @@ enum TransferMsg {
     DeleteFile,
     EnterDirectory,
     ExecuteCmd(String),
+    GetFileSize,
     GoTo(String),
     GoToParentDirectory,
     GoToPreviousDirectory,

src/ui/activities/filetransfer/update.rs

@@ -152,6 +152,9 @@ impl FileTransferActivity {
                     _ => panic!("Found tab doesn't support EXEC"),
                 };
             }
+            TransferMsg::GetFileSize => {
+                self.action_get_file_size();
+            }
             TransferMsg::GoTo(dir) => {
                 match self.browser.tab() {
                     FileExplorerTab::HostBridge => self.action_change_local_dir(dir),