1use std::sync::Arc;
2
3use crate::{
4 AgentTool, ToolCallEventStream, ToolPermissionDecision, decide_permission_from_settings,
5};
6use agent_client_protocol as acp;
7use agent_settings::AgentSettings;
8use anyhow::{Result, anyhow};
9use cloud_llm_client::WebSearchResponse;
10use futures::FutureExt as _;
11use gpui::{App, AppContext, Task};
12use language_model::{
13 LanguageModelProviderId, LanguageModelToolResultContent, ZED_CLOUD_PROVIDER_ID,
14};
15use schemars::JsonSchema;
16use serde::{Deserialize, Serialize};
17use settings::Settings;
18use ui::prelude::*;
19use util::markdown::MarkdownInlineCode;
20use web_search::WebSearchRegistry;
21
22/// Search the web for information using your query.
23/// Use this when you need real-time information, facts, or data that might not be in your training.
24/// Results will include snippets and links from relevant web pages.
25#[derive(Debug, Serialize, Deserialize, JsonSchema)]
26pub struct WebSearchToolInput {
27 /// The search term or question to query on the web.
28 query: String,
29}
30
31#[derive(Debug, Serialize, Deserialize)]
32#[serde(transparent)]
33pub struct WebSearchToolOutput(WebSearchResponse);
34
35impl From<WebSearchToolOutput> for LanguageModelToolResultContent {
36 fn from(value: WebSearchToolOutput) -> Self {
37 serde_json::to_string(&value.0)
38 .expect("Failed to serialize WebSearchResponse")
39 .into()
40 }
41}
42
43pub struct WebSearchTool;
44
45impl AgentTool for WebSearchTool {
46 type Input = WebSearchToolInput;
47 type Output = WebSearchToolOutput;
48
49 const NAME: &'static str = "web_search";
50
51 fn kind() -> acp::ToolKind {
52 acp::ToolKind::Fetch
53 }
54
55 fn initial_title(
56 &self,
57 _input: Result<Self::Input, serde_json::Value>,
58 _cx: &mut App,
59 ) -> SharedString {
60 "Searching the Web".into()
61 }
62
63 /// We currently only support Zed Cloud as a provider.
64 fn supports_provider(provider: &LanguageModelProviderId) -> bool {
65 provider == &ZED_CLOUD_PROVIDER_ID
66 }
67
68 fn run(
69 self: Arc<Self>,
70 input: Self::Input,
71 event_stream: ToolCallEventStream,
72 cx: &mut App,
73 ) -> Task<Result<Self::Output>> {
74 let settings = AgentSettings::get_global(cx);
75 let decision = decide_permission_from_settings(Self::NAME, &input.query, settings);
76
77 let authorize = match decision {
78 ToolPermissionDecision::Allow => None,
79 ToolPermissionDecision::Deny(reason) => {
80 return Task::ready(Err(anyhow!("{}", reason)));
81 }
82 ToolPermissionDecision::Confirm => {
83 let context = crate::ToolPermissionContext {
84 tool_name: Self::NAME.to_string(),
85 input_value: input.query.clone(),
86 };
87 Some(event_stream.authorize(
88 format!("Search the web for {}", MarkdownInlineCode(&input.query)),
89 context,
90 cx,
91 ))
92 }
93 };
94
95 let Some(provider) = WebSearchRegistry::read_global(cx).active_provider() else {
96 return Task::ready(Err(anyhow!("Web search is not available.")));
97 };
98
99 let search_task = provider.search(input.query, cx);
100 cx.background_spawn(async move {
101 if let Some(authorize) = authorize {
102 authorize.await?;
103 }
104
105 let response = futures::select! {
106 result = search_task.fuse() => {
107 match result {
108 Ok(response) => response,
109 Err(err) => {
110 event_stream
111 .update_fields(acp::ToolCallUpdateFields::new().title("Web Search Failed"));
112 return Err(err);
113 }
114 }
115 }
116 _ = event_stream.cancelled_by_user().fuse() => {
117 anyhow::bail!("Web search cancelled by user");
118 }
119 };
120
121 emit_update(&response, &event_stream);
122 Ok(WebSearchToolOutput(response))
123 })
124 }
125
126 fn replay(
127 &self,
128 _input: Self::Input,
129 output: Self::Output,
130 event_stream: ToolCallEventStream,
131 _cx: &mut App,
132 ) -> Result<()> {
133 emit_update(&output.0, &event_stream);
134 Ok(())
135 }
136}
137
138fn emit_update(response: &WebSearchResponse, event_stream: &ToolCallEventStream) {
139 let result_text = if response.results.len() == 1 {
140 "1 result".to_string()
141 } else {
142 format!("{} results", response.results.len())
143 };
144 event_stream.update_fields(
145 acp::ToolCallUpdateFields::new()
146 .title(format!("Searched the web: {result_text}"))
147 .content(
148 response
149 .results
150 .iter()
151 .map(|result| {
152 acp::ToolCallContent::Content(acp::Content::new(
153 acp::ContentBlock::ResourceLink(
154 acp::ResourceLink::new(result.title.clone(), result.url.clone())
155 .title(result.title.clone())
156 .description(result.text.clone()),
157 ),
158 ))
159 })
160 .collect::<Vec<_>>(),
161 ),
162 );
163}