use anyhow::{anyhow, Context, Result};use assistant_slash_command::{    ArgumentCompletion, SlashCommand, SlashCommandOutput, SlashCommandOutputSection,    SlashCommandResult,};use fs::Fs;use gpui::{AppContext, Model, Task, WeakView};use language::{BufferSnapshot, LspAdapterDelegate};use project::{Project, ProjectPath};use std::{    fmt::Write,    path::Path,    sync::{atomic::AtomicBool, Arc},};use ui::prelude::*;use workspace::Workspace; pub(crate) struct CargoWorkspaceSlashCommand; impl CargoWorkspaceSlashCommand {    async fn build_message(fs: Arc<dyn Fs>, path_to_cargo_toml: &Path) -> Result<String> {        let buffer = fs.load(path_to_cargo_toml).await?;        let cargo_toml: cargo_toml::Manifest = toml::from_str(&buffer)?;         let mut message = String::new();        writeln!(message, "You are in a Rust project.")?;         if let Some(workspace) = cargo_toml.workspace {            writeln!(                message,                "The project is a Cargo workspace with the following members:"            )?;            for member in workspace.members {                writeln!(message, "- {member}")?;            }             if !workspace.default_members.is_empty() {                writeln!(message, "The default members are:")?;                for member in workspace.default_members {                    writeln!(message, "- {member}")?;                }            }             if !workspace.dependencies.is_empty() {                writeln!(                    message,                    "The following workspace dependencies are installed:"                )?;                for dependency in workspace.dependencies.keys() {                    writeln!(message, "- {dependency}")?;                }            }        } else if let Some(package) = cargo_toml.package {            writeln!(                message,                "The project name is \"{name}\".",                name = package.name            )?;             let description = package                .description                .as_ref()                .and_then(|description| description.get().ok().cloned());            if let Some(description) = description.as_ref() {                writeln!(message, "It describes itself as \"{description}\".")?;            }             if !cargo_toml.dependencies.is_empty() {                writeln!(message, "The following dependencies are installed:")?;                for dependency in cargo_toml.dependencies.keys() {                    writeln!(message, "- {dependency}")?;                }            }        }         Ok(message)    }     fn path_to_cargo_toml(project: Model<Project>, cx: &mut AppContext) -> Option<Arc<Path>> {        let worktree = project.read(cx).worktrees(cx).next()?;        let worktree = worktree.read(cx);        let entry = worktree.entry_for_path("Cargo.toml")?;        let path = ProjectPath {            worktree_id: worktree.id(),            path: entry.path.clone(),        };        Some(Arc::from(            project.read(cx).absolute_path(&path, cx)?.as_path(),        ))    }} impl SlashCommand for CargoWorkspaceSlashCommand {    fn name(&self) -> String {        "cargo-workspace".into()    }     fn description(&self) -> String {        "insert project workspace metadata".into()    }     fn menu_text(&self) -> String {        "Insert Project Workspace Metadata".into()    }     fn complete_argument(        self: Arc<Self>,        _arguments: &[String],        _cancel: Arc<AtomicBool>,        _workspace: Option<WeakView<Workspace>>,        _cx: &mut WindowContext,    ) -> Task<Result<Vec<ArgumentCompletion>>> {        Task::ready(Err(anyhow!("this command does not require argument")))    }     fn requires_argument(&self) -> bool {        false    }     fn run(        self: Arc<Self>,        _arguments: &[String],        _context_slash_command_output_sections: &[SlashCommandOutputSection<language::Anchor>],        _context_buffer: BufferSnapshot,        workspace: WeakView<Workspace>,        _delegate: Option<Arc<dyn LspAdapterDelegate>>,        cx: &mut WindowContext,    ) -> Task<SlashCommandResult> {        let output = workspace.update(cx, |workspace, cx| {            let project = workspace.project().clone();            let fs = workspace.project().read(cx).fs().clone();            let path = Self::path_to_cargo_toml(project, cx);            let output = cx.background_executor().spawn(async move {                let path = path.with_context(|| "Cargo.toml not found")?;                Self::build_message(fs, &path).await            });             cx.foreground_executor().spawn(async move {                let text = output.await?;                let range = 0..text.len();                Ok(SlashCommandOutput {                    text,                    sections: vec![SlashCommandOutputSection {                        range,                        icon: IconName::FileTree,                        label: "Project".into(),                        metadata: None,                    }],                    run_commands_in_text: false,                }                .to_event_stream())            })        });        output.unwrap_or_else(|error| Task::ready(Err(error)))    }}