Add download file actions

crates/ely_app/Cargo.toml

@@ -12,6 +12,7 @@ ely_domain = { path = "../ely_domain" }
 gpui.workspace = true
 gpui-component.workspace = true
 gpui-component-assets.workspace = true
+thiserror.workspace = true
 
 [lints]
 workspace = true

crates/ely_app/src/main.rs

@@ -1,3 +1,4 @@
+mod services;
 mod shell;
 
 use gpui::{

crates/ely_app/src/services/download_files.rs

@@ -0,0 +1,74 @@
+use std::{
+    fs, io,
+    path::{Path, PathBuf},
+    process::{Command, ExitStatus},
+};
+
+use thiserror::Error;
+
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+pub enum DownloadFileAction {
+    Open,
+    Reveal,
+}
+
+#[derive(Debug, Error)]
+pub enum DownloadFileError {
+    #[error("download file is unavailable: {path:?}")]
+    FileUnavailable { path: PathBuf },
+
+    #[error("failed to launch {action} for download file: {path:?}: {source}")]
+    LaunchFailed { action: &'static str, path: PathBuf, source: io::Error },
+
+    #[error("{action} failed for download file: {path:?} ({status})")]
+    CommandFailed { action: &'static str, path: PathBuf, status: ExitStatus },
+}
+
+impl DownloadFileAction {
+    pub fn run(self, path: &Path) -> Result<(), DownloadFileError> {
+        ensure_regular_file(path)?;
+        let status =
+            self.command(path).status().map_err(|source| DownloadFileError::LaunchFailed {
+                action: self.label(),
+                path: path.to_path_buf(),
+                source,
+            })?;
+
+        if status.success() {
+            return Ok(());
+        }
+
+        Err(DownloadFileError::CommandFailed {
+            action: self.label(),
+            path: path.to_path_buf(),
+            status,
+        })
+    }
+
+    fn command(self, path: &Path) -> Command {
+        let mut command = Command::new("/usr/bin/open");
+        match self {
+            Self::Open => {
+                command.arg(path);
+            }
+            Self::Reveal => {
+                command.arg("-R").arg(path);
+            }
+        }
+        command
+    }
+
+    fn label(self) -> &'static str {
+        match self {
+            Self::Open => "open",
+            Self::Reveal => "reveal",
+        }
+    }
+}
+
+fn ensure_regular_file(path: &Path) -> Result<(), DownloadFileError> {
+    match fs::metadata(path) {
+        Ok(metadata) if metadata.is_file() => Ok(()),
+        Ok(_) | Err(_) => Err(DownloadFileError::FileUnavailable { path: path.to_path_buf() }),
+    }
+}

crates/ely_app/src/services/mod.rs

@@ -0,0 +1 @@
+pub mod download_files;

crates/ely_app/src/shell/internal_pages/downloads.rs

@@ -75,6 +75,9 @@ impl ElyShell {
                                 ),
                         ),
                 )
+                .when_some(self.download_file_error.clone(), |this, message| {
+                    this.child(render_download_file_error(message))
+                })
                 .child(self.render_downloads_list(snapshot, cx)),
         )
     }
@@ -168,7 +171,7 @@ impl ElyShell {
                                         div()
                                             .min_w_0()
                                             .truncate()
-                                            .child(download_destination_label(entry.destination())),
+                                            .child(download_entry_location_label(entry)),
                                     )
                                     .when(entry.security().requires_prompt(), |this| {
                                         this.child(render_security_prompt(entry.security()))
@@ -277,6 +280,34 @@ impl ElyShell {
                     )
                 },
             )
+            .when(
+                matches!(entry.state(), DownloadState::Completed)
+                    && entry.target_file_path().is_some(),
+                |this| {
+                    let open_id = entry.id().clone();
+                    let reveal_id = entry.id().clone();
+
+                    this.child(
+                        download_action_button("open", index, IconName::ExternalLink, "Open File")
+                            .on_click(cx.listener(move |shell, _, _, cx| {
+                                shell.open_download_file(&open_id, cx);
+                            }))
+                            .into_any_element(),
+                    )
+                    .child(
+                        download_action_button(
+                            "reveal",
+                            index,
+                            IconName::FolderOpen,
+                            "Reveal in Finder",
+                        )
+                        .on_click(cx.listener(move |shell, _, _, cx| {
+                            shell.reveal_download_file(&reveal_id, cx);
+                        }))
+                        .into_any_element(),
+                    )
+                },
+            )
             .into_any_element()
     }
 }
@@ -320,6 +351,30 @@ fn download_destination_label(destination: &DownloadDestination) -> String {
     }
 }
 
+fn download_entry_location_label(entry: &DownloadEntry) -> String {
+    match entry.target_file_path() {
+        Some(path) => path.display().to_string(),
+        None => download_destination_label(entry.destination()),
+    }
+}
+
+fn render_download_file_error(message: String) -> AnyElement {
+    div()
+        .rounded_md()
+        .border_1()
+        .border_color(rgb(colors::ERROR))
+        .px_3()
+        .py_2()
+        .flex()
+        .items_center()
+        .gap_2()
+        .text_xs()
+        .text_color(rgb(colors::ERROR))
+        .child(IconName::TriangleAlert)
+        .child(message)
+        .into_any_element()
+}
+
 fn render_security_prompt(security: &DownloadSecurity) -> AnyElement {
     div()
         .flex()

crates/ely_app/src/shell/mod.rs

@@ -9,7 +9,7 @@ use gpui_component::input::{InputEvent, InputState, SelectAll};
 use crate::{
     CloseCurrentTab, FocusAddressBar, FocusCommandMode, OpenDownloads, OpenHistory, OpenNewTab,
     OpenSettings, RestoreClosedTab, SelectNextTab, SelectPreviousTab, ToggleFavoriteTab,
-    TogglePinnedTab,
+    TogglePinnedTab, services::download_files::DownloadFileAction,
 };
 
 enum ShellState {
@@ -22,6 +22,7 @@ pub struct ElyShell {
     focus_handle: FocusHandle,
     command_input: Entity<InputState>,
     last_intent: Option<CommandIntent>,
+    download_file_error: Option<String>,
     _command_subscription: Subscription,
 }
 
@@ -77,6 +78,7 @@ impl ElyShell {
             focus_handle: cx.focus_handle(),
             command_input,
             last_intent: None,
+            download_file_error: None,
             _command_subscription: command_subscription,
         }
     }
@@ -247,6 +249,32 @@ impl ElyShell {
         }
     }
 
+    fn open_download_file(&mut self, download_id: &DownloadId, cx: &mut Context<Self>) {
+        self.run_download_file_action(download_id, DownloadFileAction::Open, cx);
+    }
+
+    fn reveal_download_file(&mut self, download_id: &DownloadId, cx: &mut Context<Self>) {
+        self.run_download_file_action(download_id, DownloadFileAction::Reveal, cx);
+    }
+
+    fn run_download_file_action(
+        &mut self,
+        download_id: &DownloadId,
+        action: DownloadFileAction,
+        cx: &mut Context<Self>,
+    ) {
+        let result = match &self.state {
+            ShellState::Ready(core) => core
+                .download_target_file_path(download_id)
+                .map_err(|error| error.to_string())
+                .and_then(|path| action.run(&path).map_err(|error| error.to_string())),
+            ShellState::StartupError(message) => Err(message.clone()),
+        };
+
+        self.download_file_error = result.err();
+        cx.notify();
+    }
+
     fn on_close_current_tab(
         &mut self,
         _: &CloseCurrentTab,