assistant_tool: Decouple Tool from Workspace (#26309)

This PR decouples the `Tool` trait from the `Workspace` (and from the
UI, in general).

`Tool::run` now takes a `WeakEntity<Project>` instead of a
`WeakEntity<Workspace>` and a `Window`.

Release Notes:

- N/A

Cargo.lock

@@ -658,9 +658,9 @@ dependencies = [
  "derive_more",
  "gpui",
  "parking_lot",
+ "project",
  "serde",
  "serde_json",
- "workspace",
 ]
 
 [[package]]
@@ -675,7 +675,6 @@ dependencies = [
  "schemars",
  "serde",
  "serde_json",
- "workspace",
 ]
 
 [[package]]
@@ -3140,7 +3139,6 @@ dependencies = [
  "smol",
  "url",
  "util",
- "workspace",
 ]
 
 [[package]]
@@ -11930,7 +11928,6 @@ dependencies = [
  "serde_json",
  "settings",
  "util",
- "workspace",
 ]
 
 [[package]]

crates/assistant2/src/active_thread.rs

@@ -11,11 +11,11 @@ use gpui::{
 use language::{Buffer, LanguageRegistry};
 use language_model::{LanguageModelRegistry, LanguageModelToolUseId, Role};
 use markdown::{Markdown, MarkdownStyle};
+use project::Project;
 use settings::Settings as _;
 use theme::ThemeSettings;
 use ui::{prelude::*, Disclosure, KeyBinding};
 use util::ResultExt as _;
-use workspace::Workspace;
 
 use crate::thread::{MessageId, RequestKind, Thread, ThreadError, ThreadEvent};
 use crate::thread_store::ThreadStore;
@@ -23,7 +23,7 @@ use crate::tool_use::{ToolUse, ToolUseStatus};
 use crate::ui::ContextPill;
 
 pub struct ActiveThread {
-    workspace: WeakEntity<Workspace>,
+    project: WeakEntity<Project>,
     language_registry: Arc<LanguageRegistry>,
     tools: Arc<ToolWorkingSet>,
     thread_store: Entity<ThreadStore>,
@@ -46,7 +46,7 @@ impl ActiveThread {
     pub fn new(
         thread: Entity<Thread>,
         thread_store: Entity<ThreadStore>,
-        workspace: WeakEntity<Workspace>,
+        project: WeakEntity<Project>,
         language_registry: Arc<LanguageRegistry>,
         tools: Arc<ToolWorkingSet>,
         window: &mut Window,
@@ -58,7 +58,7 @@ impl ActiveThread {
         ];
 
         let mut this = Self {
-            workspace,
+            project,
             language_registry,
             tools,
             thread_store,
@@ -311,7 +311,7 @@ impl ActiveThread {
 
                 for tool_use in pending_tool_uses {
                     if let Some(tool) = self.tools.tool(&tool_use.name, cx) {
-                        let task = tool.run(tool_use.input, self.workspace.clone(), window, cx);
+                        let task = tool.run(tool_use.input, self.project.clone(), cx);
 
                         self.thread.update(cx, |thread, cx| {
                             thread.insert_tool_output(tool_use.id.clone(), task, cx);

crates/assistant2/src/assistant_panel.rs

@@ -170,8 +170,8 @@ impl AssistantPanel {
 
         Self {
             active_view: ActiveView::Thread,
-            workspace: workspace.clone(),
+            workspace,
-            project,
+            project: project.clone(),
             fs: fs.clone(),
             language_registry: language_registry.clone(),
             thread_store: thread_store.clone(),
@@ -179,7 +179,7 @@ impl AssistantPanel {
                 ActiveThread::new(
                     thread.clone(),
                     thread_store.clone(),
-                    workspace,
+                    project.downgrade(),
                     language_registry,
                     tools.clone(),
                     window,
@@ -246,7 +246,7 @@ impl AssistantPanel {
             ActiveThread::new(
                 thread.clone(),
                 self.thread_store.clone(),
-                self.workspace.clone(),
+                self.project.downgrade(),
                 self.language_registry.clone(),
                 self.tools.clone(),
                 window,
@@ -381,7 +381,7 @@ impl AssistantPanel {
                     ActiveThread::new(
                         thread.clone(),
                         this.thread_store.clone(),
-                        this.workspace.clone(),
+                        this.project.downgrade(),
                         this.language_registry.clone(),
                         this.tools.clone(),
                         window,

crates/assistant_tool/Cargo.toml

@@ -17,6 +17,6 @@ collections.workspace = true
 derive_more.workspace = true
 gpui.workspace = true
 parking_lot.workspace = true
+project.workspace = true
 serde.workspace = true
 serde_json.workspace = true
-workspace.workspace = true

crates/assistant_tool/src/assistant_tool.rs

@@ -4,8 +4,8 @@ mod tool_working_set;
 use std::sync::Arc;
 
 use anyhow::Result;
-use gpui::{App, Task, WeakEntity, Window};
+use gpui::{App, Task, WeakEntity};
-use workspace::Workspace;
+use project::Project;
 
 pub use crate::tool_registry::*;
 pub use crate::tool_working_set::*;
@@ -31,8 +31,7 @@ pub trait Tool: 'static + Send + Sync {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        workspace: WeakEntity<Workspace>,
+        project: WeakEntity<Project>,
-        window: &mut Window,
         cx: &mut App,
     ) -> Task<Result<String>>;
 }

crates/assistant_tools/Cargo.toml

@@ -20,4 +20,3 @@ project.workspace = true
 schemars.workspace = true
 serde.workspace = true
 serde_json.workspace = true
-workspace.workspace = true

crates/assistant_tools/src/list_worktrees_tool.rs

@@ -2,10 +2,10 @@ use std::sync::Arc;
 
 use anyhow::{anyhow, Result};
 use assistant_tool::Tool;
-use gpui::{App, Task, WeakEntity, Window};
+use gpui::{App, Task, WeakEntity};
+use project::Project;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
-use workspace::Workspace;
 
 #[derive(Debug, Serialize, Deserialize, JsonSchema)]
 pub struct ListWorktreesToolInput {}
@@ -34,16 +34,13 @@ impl Tool for ListWorktreesTool {
     fn run(
         self: Arc<Self>,
         _input: serde_json::Value,
-        workspace: WeakEntity<Workspace>,
+        project: WeakEntity<Project>,
-        _window: &mut Window,
         cx: &mut App,
     ) -> Task<Result<String>> {
-        let Some(workspace) = workspace.upgrade() else {
+        let Some(project) = project.upgrade() else {
-            return Task::ready(Err(anyhow!("workspace dropped")));
+            return Task::ready(Err(anyhow!("project dropped")));
         };
 
-        let project = workspace.read(cx).project().clone();
-
         cx.spawn(|cx| async move {
             cx.update(|cx| {
                 #[derive(Debug, Serialize)]

crates/assistant_tools/src/now_tool.rs

@@ -3,7 +3,8 @@ use std::sync::Arc;
 use anyhow::{anyhow, Result};
 use assistant_tool::Tool;
 use chrono::{Local, Utc};
-use gpui::{App, Task, WeakEntity, Window};
+use gpui::{App, Task, WeakEntity};
+use project::Project;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
@@ -41,8 +42,7 @@ impl Tool for NowTool {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        _workspace: WeakEntity<workspace::Workspace>,
+        _project: WeakEntity<Project>,
-        _window: &mut Window,
         _cx: &mut App,
     ) -> Task<Result<String>> {
         let input: NowToolInput = match serde_json::from_value(input) {

crates/assistant_tools/src/read_file_tool.rs

@@ -3,11 +3,10 @@ use std::sync::Arc;
 
 use anyhow::{anyhow, Result};
 use assistant_tool::Tool;
-use gpui::{App, Task, WeakEntity, Window};
+use gpui::{App, Task, WeakEntity};
-use project::{ProjectPath, WorktreeId};
+use project::{Project, ProjectPath, WorktreeId};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
-use workspace::Workspace;
 
 #[derive(Debug, Serialize, Deserialize, JsonSchema)]
 pub struct ReadFileToolInput {
@@ -38,12 +37,11 @@ impl Tool for ReadFileTool {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        workspace: WeakEntity<Workspace>,
+        project: WeakEntity<Project>,
-        _window: &mut Window,
         cx: &mut App,
     ) -> Task<Result<String>> {
-        let Some(workspace) = workspace.upgrade() else {
+        let Some(project) = project.upgrade() else {
-            return Task::ready(Err(anyhow!("workspace dropped")));
+            return Task::ready(Err(anyhow!("project dropped")));
         };
 
         let input = match serde_json::from_value::<ReadFileToolInput>(input) {
@@ -51,7 +49,6 @@ impl Tool for ReadFileTool {
             Err(err) => return Task::ready(Err(anyhow!(err))),
         };
 
-        let project = workspace.read(cx).project().clone();
         let project_path = ProjectPath {
             worktree_id: WorktreeId::from_usize(input.worktree_id),
             path: input.path,

crates/context_server/Cargo.toml

@@ -31,4 +31,3 @@ settings.workspace = true
 smol.workspace = true
 url = { workspace = true, features = ["serde"] }
 util.workspace = true
-workspace.workspace = true

crates/context_server/src/context_server_tool.rs

@@ -2,7 +2,7 @@ use std::sync::Arc;
 
 use anyhow::{anyhow, bail};
 use assistant_tool::Tool;
-use gpui::{App, Entity, Task, Window};
+use gpui::{App, Entity, Task};
 
 use crate::manager::ContextServerManager;
 use crate::types;
@@ -51,8 +51,7 @@ impl Tool for ContextServerTool {
     fn run(
         self: std::sync::Arc<Self>,
         input: serde_json::Value,
-        _workspace: gpui::WeakEntity<workspace::Workspace>,
+        _project: gpui::WeakEntity<project::Project>,
-        _: &mut Window,
         cx: &mut App,
     ) -> gpui::Task<gpui::Result<String>> {
         if let Some(server) = self.server_manager.read(cx).get_server(&self.server_id) {

crates/scripting_tool/Cargo.toml

@@ -27,11 +27,9 @@ serde.workspace = true
 serde_json.workspace = true
 settings.workspace = true
 util.workspace = true
-workspace.workspace = true
 
 [dev-dependencies]
 collections = { workspace = true, features = ["test-support"] }
 gpui = { workspace = true, features = ["test-support"] }
 project = { workspace = true, features = ["test-support"] }
 settings = { workspace = true, features = ["test-support"] }
-workspace = { workspace = true, features = ["test-support"] }

crates/scripting_tool/src/scripting_tool.rs

@@ -1,13 +1,13 @@
 mod session;
 
+use project::Project;
 pub(crate) use session::*;
 
 use assistant_tool::{Tool, ToolRegistry};
-use gpui::{App, AppContext as _, Task, WeakEntity, Window};
+use gpui::{App, AppContext as _, Task, WeakEntity};
 use schemars::JsonSchema;
 use serde::Deserialize;
 use std::sync::Arc;
-use workspace::Workspace;
 
 pub fn init(cx: &App) {
     let registry = ToolRegistry::global(cx);
@@ -38,17 +38,15 @@ impl Tool for ScriptingTool {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        workspace: WeakEntity<Workspace>,
+        project: WeakEntity<Project>,
-        _window: &mut Window,
         cx: &mut App,
     ) -> Task<anyhow::Result<String>> {
         let input = match serde_json::from_value::<ScriptingToolInput>(input) {
             Err(err) => return Task::ready(Err(err.into())),
             Ok(input) => input,
         };
-        let Ok(project) = workspace.read_with(cx, |workspace, _cx| workspace.project().clone())
+        let Some(project) = project.upgrade() else {
-        else {
+            return Task::ready(Err(anyhow::anyhow!("project dropped")));
-            return Task::ready(Err(anyhow::anyhow!("No project found")));
         };
 
         let session = cx.new(|cx| Session::new(project, cx));