cloud.rs

  1use anthropic::AnthropicError;
  2use anyhow::{anyhow, Result};
  3use client::{
  4    zed_urls, Client, PerformCompletionParams, UserStore, EXPIRED_LLM_TOKEN_HEADER_NAME,
  5    MAX_LLM_MONTHLY_SPEND_REACHED_HEADER_NAME,
  6};
  7use collections::BTreeMap;
  8use feature_flags::{FeatureFlagAppExt, LlmClosedBeta, ZedPro};
  9use futures::{
 10    future::BoxFuture, stream::BoxStream, AsyncBufReadExt, FutureExt, Stream, StreamExt,
 11    TryStreamExt as _,
 12};
 13use gpui::{AnyElement, AnyView, App, AsyncApp, Context, Entity, Subscription, Task};
 14use http_client::{AsyncBody, HttpClient, Method, Response, StatusCode};
 15use language_model::{
 16    AuthenticateError, CloudModel, LanguageModel, LanguageModelCacheConfiguration, LanguageModelId,
 17    LanguageModelName, LanguageModelProviderId, LanguageModelProviderName,
 18    LanguageModelProviderState, LanguageModelProviderTosView, LanguageModelRequest, RateLimiter,
 19    ZED_CLOUD_PROVIDER_ID,
 20};
 21use language_model::{
 22    LanguageModelAvailability, LanguageModelCompletionEvent, LanguageModelProvider, LlmApiToken,
 23    MaxMonthlySpendReachedError, PaymentRequiredError, RefreshLlmTokenListener,
 24};
 25use schemars::JsonSchema;
 26use serde::{de::DeserializeOwned, Deserialize, Serialize};
 27use serde_json::value::RawValue;
 28use settings::{Settings, SettingsStore};
 29use smol::io::{AsyncReadExt, BufReader};
 30use std::{
 31    future,
 32    sync::{Arc, LazyLock},
 33};
 34use strum::IntoEnumIterator;
 35use ui::{prelude::*, TintColor};
 36
 37use crate::provider::anthropic::{
 38    count_anthropic_tokens, into_anthropic, map_to_language_model_completion_events,
 39};
 40use crate::provider::google::into_google;
 41use crate::provider::open_ai::{count_open_ai_tokens, into_open_ai};
 42use crate::AllLanguageModelSettings;
 43
 44pub const PROVIDER_NAME: &str = "Zed";
 45
 46const ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON: Option<&str> =
 47    option_env!("ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON");
 48
 49fn zed_cloud_provider_additional_models() -> &'static [AvailableModel] {
 50    static ADDITIONAL_MODELS: LazyLock<Vec<AvailableModel>> = LazyLock::new(|| {
 51        ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON
 52            .map(|json| serde_json::from_str(json).unwrap())
 53            .unwrap_or_default()
 54    });
 55    ADDITIONAL_MODELS.as_slice()
 56}
 57
 58#[derive(Default, Clone, Debug, PartialEq)]
 59pub struct ZedDotDevSettings {
 60    pub available_models: Vec<AvailableModel>,
 61}
 62
 63#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
 64#[serde(rename_all = "lowercase")]
 65pub enum AvailableProvider {
 66    Anthropic,
 67    OpenAi,
 68    Google,
 69}
 70
 71#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
 72pub struct AvailableModel {
 73    /// The provider of the language model.
 74    pub provider: AvailableProvider,
 75    /// The model's name in the provider's API. e.g. claude-3-5-sonnet-20240620
 76    pub name: String,
 77    /// The name displayed in the UI, such as in the assistant panel model dropdown menu.
 78    pub display_name: Option<String>,
 79    /// The size of the context window, indicating the maximum number of tokens the model can process.
 80    pub max_tokens: usize,
 81    /// The maximum number of output tokens allowed by the model.
 82    pub max_output_tokens: Option<u32>,
 83    /// The maximum number of completion tokens allowed by the model (o1-* only)
 84    pub max_completion_tokens: Option<u32>,
 85    /// Override this model with a different Anthropic model for tool calls.
 86    pub tool_override: Option<String>,
 87    /// Indicates whether this custom model supports caching.
 88    pub cache_configuration: Option<LanguageModelCacheConfiguration>,
 89    /// The default temperature to use for this model.
 90    pub default_temperature: Option<f32>,
 91    /// Any extra beta headers to provide when using the model.
 92    #[serde(default)]
 93    pub extra_beta_headers: Vec<String>,
 94}
 95
 96pub struct CloudLanguageModelProvider {
 97    client: Arc<Client>,
 98    state: gpui::Entity<State>,
 99    _maintain_client_status: Task<()>,
100}
101
102pub struct State {
103    client: Arc<Client>,
104    llm_api_token: LlmApiToken,
105    user_store: Entity<UserStore>,
106    status: client::Status,
107    accept_terms: Option<Task<Result<()>>>,
108    _settings_subscription: Subscription,
109    _llm_token_subscription: Subscription,
110}
111
112impl State {
113    fn new(
114        client: Arc<Client>,
115        user_store: Entity<UserStore>,
116        status: client::Status,
117        cx: &mut Context<Self>,
118    ) -> Self {
119        let refresh_llm_token_listener = RefreshLlmTokenListener::global(cx);
120
121        Self {
122            client: client.clone(),
123            llm_api_token: LlmApiToken::default(),
124            user_store,
125            status,
126            accept_terms: None,
127            _settings_subscription: cx.observe_global::<SettingsStore>(|_, cx| {
128                cx.notify();
129            }),
130            _llm_token_subscription: cx.subscribe(
131                &refresh_llm_token_listener,
132                |this, _listener, _event, cx| {
133                    let client = this.client.clone();
134                    let llm_api_token = this.llm_api_token.clone();
135                    cx.spawn(async move |_this, _cx| {
136                        llm_api_token.refresh(&client).await?;
137                        anyhow::Ok(())
138                    })
139                    .detach_and_log_err(cx);
140                },
141            ),
142        }
143    }
144
145    fn is_signed_out(&self) -> bool {
146        self.status.is_signed_out()
147    }
148
149    fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
150        let client = self.client.clone();
151        cx.spawn(async move |this, cx| {
152            client.authenticate_and_connect(true, &cx).await?;
153            this.update(cx, |_, cx| cx.notify())
154        })
155    }
156
157    fn has_accepted_terms_of_service(&self, cx: &App) -> bool {
158        self.user_store
159            .read(cx)
160            .current_user_has_accepted_terms()
161            .unwrap_or(false)
162    }
163
164    fn accept_terms_of_service(&mut self, cx: &mut Context<Self>) {
165        let user_store = self.user_store.clone();
166        self.accept_terms = Some(cx.spawn(async move |this, cx| {
167            let _ = user_store
168                .update(cx, |store, cx| store.accept_terms_of_service(cx))?
169                .await;
170            this.update(cx, |this, cx| {
171                this.accept_terms = None;
172                cx.notify()
173            })
174        }));
175    }
176}
177
178impl CloudLanguageModelProvider {
179    pub fn new(user_store: Entity<UserStore>, client: Arc<Client>, cx: &mut App) -> Self {
180        let mut status_rx = client.status();
181        let status = *status_rx.borrow();
182
183        let state = cx.new(|cx| State::new(client.clone(), user_store.clone(), status, cx));
184
185        let state_ref = state.downgrade();
186        let maintain_client_status = cx.spawn(async move |cx| {
187            while let Some(status) = status_rx.next().await {
188                if let Some(this) = state_ref.upgrade() {
189                    _ = this.update(cx, |this, cx| {
190                        if this.status != status {
191                            this.status = status;
192                            cx.notify();
193                        }
194                    });
195                } else {
196                    break;
197                }
198            }
199        });
200
201        Self {
202            client,
203            state: state.clone(),
204            _maintain_client_status: maintain_client_status,
205        }
206    }
207}
208
209impl LanguageModelProviderState for CloudLanguageModelProvider {
210    type ObservableEntity = State;
211
212    fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {
213        Some(self.state.clone())
214    }
215}
216
217impl LanguageModelProvider for CloudLanguageModelProvider {
218    fn id(&self) -> LanguageModelProviderId {
219        LanguageModelProviderId(ZED_CLOUD_PROVIDER_ID.into())
220    }
221
222    fn name(&self) -> LanguageModelProviderName {
223        LanguageModelProviderName(PROVIDER_NAME.into())
224    }
225
226    fn icon(&self) -> IconName {
227        IconName::AiZed
228    }
229
230    fn default_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>> {
231        let llm_api_token = self.state.read(cx).llm_api_token.clone();
232        let model = CloudModel::Anthropic(anthropic::Model::default());
233        Some(Arc::new(CloudLanguageModel {
234            id: LanguageModelId::from(model.id().to_string()),
235            model,
236            llm_api_token: llm_api_token.clone(),
237            client: self.client.clone(),
238            request_limiter: RateLimiter::new(4),
239        }))
240    }
241
242    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
243        let mut models = BTreeMap::default();
244
245        if cx.is_staff() {
246            for model in anthropic::Model::iter() {
247                if !matches!(model, anthropic::Model::Custom { .. }) {
248                    models.insert(model.id().to_string(), CloudModel::Anthropic(model));
249                }
250            }
251            for model in open_ai::Model::iter() {
252                if !matches!(model, open_ai::Model::Custom { .. }) {
253                    models.insert(model.id().to_string(), CloudModel::OpenAi(model));
254                }
255            }
256            for model in google_ai::Model::iter() {
257                if !matches!(model, google_ai::Model::Custom { .. }) {
258                    models.insert(model.id().to_string(), CloudModel::Google(model));
259                }
260            }
261        } else {
262            models.insert(
263                anthropic::Model::Claude3_5Sonnet.id().to_string(),
264                CloudModel::Anthropic(anthropic::Model::Claude3_5Sonnet),
265            );
266            models.insert(
267                anthropic::Model::Claude3_7Sonnet.id().to_string(),
268                CloudModel::Anthropic(anthropic::Model::Claude3_7Sonnet),
269            );
270        }
271
272        let llm_closed_beta_models = if cx.has_flag::<LlmClosedBeta>() {
273            zed_cloud_provider_additional_models()
274        } else {
275            &[]
276        };
277
278        // Override with available models from settings
279        for model in AllLanguageModelSettings::get_global(cx)
280            .zed_dot_dev
281            .available_models
282            .iter()
283            .chain(llm_closed_beta_models)
284            .cloned()
285        {
286            let model = match model.provider {
287                AvailableProvider::Anthropic => CloudModel::Anthropic(anthropic::Model::Custom {
288                    name: model.name.clone(),
289                    display_name: model.display_name.clone(),
290                    max_tokens: model.max_tokens,
291                    tool_override: model.tool_override.clone(),
292                    cache_configuration: model.cache_configuration.as_ref().map(|config| {
293                        anthropic::AnthropicModelCacheConfiguration {
294                            max_cache_anchors: config.max_cache_anchors,
295                            should_speculate: config.should_speculate,
296                            min_total_token: config.min_total_token,
297                        }
298                    }),
299                    default_temperature: model.default_temperature,
300                    max_output_tokens: model.max_output_tokens,
301                    extra_beta_headers: model.extra_beta_headers.clone(),
302                }),
303                AvailableProvider::OpenAi => CloudModel::OpenAi(open_ai::Model::Custom {
304                    name: model.name.clone(),
305                    display_name: model.display_name.clone(),
306                    max_tokens: model.max_tokens,
307                    max_output_tokens: model.max_output_tokens,
308                    max_completion_tokens: model.max_completion_tokens,
309                }),
310                AvailableProvider::Google => CloudModel::Google(google_ai::Model::Custom {
311                    name: model.name.clone(),
312                    display_name: model.display_name.clone(),
313                    max_tokens: model.max_tokens,
314                }),
315            };
316            models.insert(model.id().to_string(), model.clone());
317        }
318
319        let llm_api_token = self.state.read(cx).llm_api_token.clone();
320        models
321            .into_values()
322            .map(|model| {
323                Arc::new(CloudLanguageModel {
324                    id: LanguageModelId::from(model.id().to_string()),
325                    model,
326                    llm_api_token: llm_api_token.clone(),
327                    client: self.client.clone(),
328                    request_limiter: RateLimiter::new(4),
329                }) as Arc<dyn LanguageModel>
330            })
331            .collect()
332    }
333
334    fn is_authenticated(&self, cx: &App) -> bool {
335        !self.state.read(cx).is_signed_out()
336    }
337
338    fn authenticate(&self, _cx: &mut App) -> Task<Result<(), AuthenticateError>> {
339        Task::ready(Ok(()))
340    }
341
342    fn configuration_view(&self, _: &mut Window, cx: &mut App) -> AnyView {
343        cx.new(|_| ConfigurationView {
344            state: self.state.clone(),
345        })
346        .into()
347    }
348
349    fn must_accept_terms(&self, cx: &App) -> bool {
350        !self.state.read(cx).has_accepted_terms_of_service(cx)
351    }
352
353    fn render_accept_terms(
354        &self,
355        view: LanguageModelProviderTosView,
356        cx: &mut App,
357    ) -> Option<AnyElement> {
358        render_accept_terms(self.state.clone(), view, cx)
359    }
360
361    fn reset_credentials(&self, _cx: &mut App) -> Task<Result<()>> {
362        Task::ready(Ok(()))
363    }
364}
365
366fn render_accept_terms(
367    state: Entity<State>,
368    view_kind: LanguageModelProviderTosView,
369    cx: &mut App,
370) -> Option<AnyElement> {
371    if state.read(cx).has_accepted_terms_of_service(cx) {
372        return None;
373    }
374
375    let accept_terms_disabled = state.read(cx).accept_terms.is_some();
376
377    let terms_button = Button::new("terms_of_service", "Terms of Service")
378        .style(ButtonStyle::Subtle)
379        .icon(IconName::ArrowUpRight)
380        .icon_color(Color::Muted)
381        .icon_size(IconSize::XSmall)
382        .on_click(move |_, _window, cx| cx.open_url("https://zed.dev/terms-of-service"));
383
384    let text = "To start using Zed AI, please read and accept the";
385
386    let form = v_flex()
387        .w_full()
388        .gap_2()
389        .child(
390            h_flex()
391                .flex_wrap()
392                .items_start()
393                .child(Label::new(text))
394                .child(terms_button),
395        )
396        .child({
397            let button_container = h_flex().w_full().child(
398                Button::new("accept_terms", "I accept the Terms of Service")
399                    .style(ButtonStyle::Tinted(TintColor::Accent))
400                    .disabled(accept_terms_disabled)
401                    .on_click({
402                        let state = state.downgrade();
403                        move |_, _window, cx| {
404                            state
405                                .update(cx, |state, cx| state.accept_terms_of_service(cx))
406                                .ok();
407                        }
408                    }),
409            );
410
411            match view_kind {
412                LanguageModelProviderTosView::PromptEditorPopup => button_container.justify_end(),
413                LanguageModelProviderTosView::Configuration
414                | LanguageModelProviderTosView::ThreadEmptyState => {
415                    button_container.justify_start()
416                }
417            }
418        });
419
420    Some(form.into_any())
421}
422
423pub struct CloudLanguageModel {
424    id: LanguageModelId,
425    model: CloudModel,
426    llm_api_token: LlmApiToken,
427    client: Arc<Client>,
428    request_limiter: RateLimiter,
429}
430
431impl CloudLanguageModel {
432    async fn perform_llm_completion(
433        client: Arc<Client>,
434        llm_api_token: LlmApiToken,
435        body: PerformCompletionParams,
436    ) -> Result<Response<AsyncBody>> {
437        let http_client = &client.http_client();
438
439        let mut token = llm_api_token.acquire(&client).await?;
440        let mut did_retry = false;
441
442        let response = loop {
443            let request_builder = http_client::Request::builder();
444            let request = request_builder
445                .method(Method::POST)
446                .uri(http_client.build_zed_llm_url("/completion", &[])?.as_ref())
447                .header("Content-Type", "application/json")
448                .header("Authorization", format!("Bearer {token}"))
449                .body(serde_json::to_string(&body)?.into())?;
450            let mut response = http_client.send(request).await?;
451            if response.status().is_success() {
452                break response;
453            } else if !did_retry
454                && response
455                    .headers()
456                    .get(EXPIRED_LLM_TOKEN_HEADER_NAME)
457                    .is_some()
458            {
459                did_retry = true;
460                token = llm_api_token.refresh(&client).await?;
461            } else if response.status() == StatusCode::FORBIDDEN
462                && response
463                    .headers()
464                    .get(MAX_LLM_MONTHLY_SPEND_REACHED_HEADER_NAME)
465                    .is_some()
466            {
467                break Err(anyhow!(MaxMonthlySpendReachedError))?;
468            } else if response.status() == StatusCode::PAYMENT_REQUIRED {
469                break Err(anyhow!(PaymentRequiredError))?;
470            } else {
471                let mut body = String::new();
472                response.body_mut().read_to_string(&mut body).await?;
473                break Err(anyhow!(
474                    "cloud language model completion failed with status {}: {body}",
475                    response.status()
476                ))?;
477            }
478        };
479
480        Ok(response)
481    }
482}
483
484impl LanguageModel for CloudLanguageModel {
485    fn id(&self) -> LanguageModelId {
486        self.id.clone()
487    }
488
489    fn name(&self) -> LanguageModelName {
490        LanguageModelName::from(self.model.display_name().to_string())
491    }
492
493    fn icon(&self) -> Option<IconName> {
494        self.model.icon()
495    }
496
497    fn provider_id(&self) -> LanguageModelProviderId {
498        LanguageModelProviderId(ZED_CLOUD_PROVIDER_ID.into())
499    }
500
501    fn provider_name(&self) -> LanguageModelProviderName {
502        LanguageModelProviderName(PROVIDER_NAME.into())
503    }
504
505    fn telemetry_id(&self) -> String {
506        format!("zed.dev/{}", self.model.id())
507    }
508
509    fn availability(&self) -> LanguageModelAvailability {
510        self.model.availability()
511    }
512
513    fn max_token_count(&self) -> usize {
514        self.model.max_token_count()
515    }
516
517    fn cache_configuration(&self) -> Option<LanguageModelCacheConfiguration> {
518        match &self.model {
519            CloudModel::Anthropic(model) => {
520                model
521                    .cache_configuration()
522                    .map(|cache| LanguageModelCacheConfiguration {
523                        max_cache_anchors: cache.max_cache_anchors,
524                        should_speculate: cache.should_speculate,
525                        min_total_token: cache.min_total_token,
526                    })
527            }
528            CloudModel::OpenAi(_) | CloudModel::Google(_) => None,
529        }
530    }
531
532    fn count_tokens(
533        &self,
534        request: LanguageModelRequest,
535        cx: &App,
536    ) -> BoxFuture<'static, Result<usize>> {
537        match self.model.clone() {
538            CloudModel::Anthropic(_) => count_anthropic_tokens(request, cx),
539            CloudModel::OpenAi(model) => count_open_ai_tokens(request, model, cx),
540            CloudModel::Google(model) => {
541                let client = self.client.clone();
542                let request = into_google(request, model.id().into());
543                let request = google_ai::CountTokensRequest {
544                    contents: request.contents,
545                };
546                async move {
547                    let request = serde_json::to_string(&request)?;
548                    let response = client
549                        .request(proto::CountLanguageModelTokens {
550                            provider: proto::LanguageModelProvider::Google as i32,
551                            request,
552                        })
553                        .await?;
554                    Ok(response.token_count as usize)
555                }
556                .boxed()
557            }
558        }
559    }
560
561    fn stream_completion(
562        &self,
563        request: LanguageModelRequest,
564        _cx: &AsyncApp,
565    ) -> BoxFuture<'static, Result<BoxStream<'static, Result<LanguageModelCompletionEvent>>>> {
566        match &self.model {
567            CloudModel::Anthropic(model) => {
568                let request = into_anthropic(
569                    request,
570                    model.id().into(),
571                    model.default_temperature(),
572                    model.max_output_tokens(),
573                );
574                let client = self.client.clone();
575                let llm_api_token = self.llm_api_token.clone();
576                let future = self.request_limiter.stream(async move {
577                    let response = Self::perform_llm_completion(
578                        client.clone(),
579                        llm_api_token,
580                        PerformCompletionParams {
581                            provider: client::LanguageModelProvider::Anthropic,
582                            model: request.model.clone(),
583                            provider_request: RawValue::from_string(serde_json::to_string(
584                                &request,
585                            )?)?,
586                        },
587                    )
588                    .await?;
589                    Ok(map_to_language_model_completion_events(Box::pin(
590                        response_lines(response).map_err(AnthropicError::Other),
591                    )))
592                });
593                async move { Ok(future.await?.boxed()) }.boxed()
594            }
595            CloudModel::OpenAi(model) => {
596                let client = self.client.clone();
597                let request = into_open_ai(request, model.id().into(), model.max_output_tokens());
598                let llm_api_token = self.llm_api_token.clone();
599                let future = self.request_limiter.stream(async move {
600                    let response = Self::perform_llm_completion(
601                        client.clone(),
602                        llm_api_token,
603                        PerformCompletionParams {
604                            provider: client::LanguageModelProvider::OpenAi,
605                            model: request.model.clone(),
606                            provider_request: RawValue::from_string(serde_json::to_string(
607                                &request,
608                            )?)?,
609                        },
610                    )
611                    .await?;
612                    Ok(open_ai::extract_text_from_events(response_lines(response)))
613                });
614                async move {
615                    Ok(future
616                        .await?
617                        .map(|result| result.map(LanguageModelCompletionEvent::Text))
618                        .boxed())
619                }
620                .boxed()
621            }
622            CloudModel::Google(model) => {
623                let client = self.client.clone();
624                let request = into_google(request, model.id().into());
625                let llm_api_token = self.llm_api_token.clone();
626                let future = self.request_limiter.stream(async move {
627                    let response = Self::perform_llm_completion(
628                        client.clone(),
629                        llm_api_token,
630                        PerformCompletionParams {
631                            provider: client::LanguageModelProvider::Google,
632                            model: request.model.clone(),
633                            provider_request: RawValue::from_string(serde_json::to_string(
634                                &request,
635                            )?)?,
636                        },
637                    )
638                    .await?;
639                    Ok(google_ai::extract_text_from_events(response_lines(
640                        response,
641                    )))
642                });
643                async move {
644                    Ok(future
645                        .await?
646                        .map(|result| result.map(LanguageModelCompletionEvent::Text))
647                        .boxed())
648                }
649                .boxed()
650            }
651        }
652    }
653
654    fn use_any_tool(
655        &self,
656        request: LanguageModelRequest,
657        tool_name: String,
658        tool_description: String,
659        input_schema: serde_json::Value,
660        _cx: &AsyncApp,
661    ) -> BoxFuture<'static, Result<BoxStream<'static, Result<String>>>> {
662        let client = self.client.clone();
663        let llm_api_token = self.llm_api_token.clone();
664
665        match &self.model {
666            CloudModel::Anthropic(model) => {
667                let mut request = into_anthropic(
668                    request,
669                    model.tool_model_id().into(),
670                    model.default_temperature(),
671                    model.max_output_tokens(),
672                );
673                request.tool_choice = Some(anthropic::ToolChoice::Tool {
674                    name: tool_name.clone(),
675                });
676                request.tools = vec![anthropic::Tool {
677                    name: tool_name.clone(),
678                    description: tool_description,
679                    input_schema,
680                }];
681
682                self.request_limiter
683                    .run(async move {
684                        let response = Self::perform_llm_completion(
685                            client.clone(),
686                            llm_api_token,
687                            PerformCompletionParams {
688                                provider: client::LanguageModelProvider::Anthropic,
689                                model: request.model.clone(),
690                                provider_request: RawValue::from_string(serde_json::to_string(
691                                    &request,
692                                )?)?,
693                            },
694                        )
695                        .await?;
696
697                        Ok(anthropic::extract_tool_args_from_events(
698                            tool_name,
699                            Box::pin(response_lines(response)),
700                        )
701                        .await?
702                        .boxed())
703                    })
704                    .boxed()
705            }
706            CloudModel::OpenAi(model) => {
707                let mut request =
708                    into_open_ai(request, model.id().into(), model.max_output_tokens());
709                request.tool_choice = Some(open_ai::ToolChoice::Other(
710                    open_ai::ToolDefinition::Function {
711                        function: open_ai::FunctionDefinition {
712                            name: tool_name.clone(),
713                            description: None,
714                            parameters: None,
715                        },
716                    },
717                ));
718                request.tools = vec![open_ai::ToolDefinition::Function {
719                    function: open_ai::FunctionDefinition {
720                        name: tool_name.clone(),
721                        description: Some(tool_description),
722                        parameters: Some(input_schema),
723                    },
724                }];
725
726                self.request_limiter
727                    .run(async move {
728                        let response = Self::perform_llm_completion(
729                            client.clone(),
730                            llm_api_token,
731                            PerformCompletionParams {
732                                provider: client::LanguageModelProvider::OpenAi,
733                                model: request.model.clone(),
734                                provider_request: RawValue::from_string(serde_json::to_string(
735                                    &request,
736                                )?)?,
737                            },
738                        )
739                        .await?;
740
741                        Ok(open_ai::extract_tool_args_from_events(
742                            tool_name,
743                            Box::pin(response_lines(response)),
744                        )
745                        .await?
746                        .boxed())
747                    })
748                    .boxed()
749            }
750            CloudModel::Google(_) => {
751                future::ready(Err(anyhow!("tool use not implemented for Google AI"))).boxed()
752            }
753        }
754    }
755}
756
757fn response_lines<T: DeserializeOwned>(
758    response: Response<AsyncBody>,
759) -> impl Stream<Item = Result<T>> {
760    futures::stream::try_unfold(
761        (String::new(), BufReader::new(response.into_body())),
762        move |(mut line, mut body)| async {
763            match body.read_line(&mut line).await {
764                Ok(0) => Ok(None),
765                Ok(_) => {
766                    let event: T = serde_json::from_str(&line)?;
767                    line.clear();
768                    Ok(Some((event, (line, body))))
769                }
770                Err(e) => Err(e.into()),
771            }
772        },
773    )
774}
775
776struct ConfigurationView {
777    state: gpui::Entity<State>,
778}
779
780impl ConfigurationView {
781    fn authenticate(&mut self, cx: &mut Context<Self>) {
782        self.state.update(cx, |state, cx| {
783            state.authenticate(cx).detach_and_log_err(cx);
784        });
785        cx.notify();
786    }
787}
788
789impl Render for ConfigurationView {
790    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
791        const ZED_AI_URL: &str = "https://zed.dev/ai";
792
793        let is_connected = !self.state.read(cx).is_signed_out();
794        let plan = self.state.read(cx).user_store.read(cx).current_plan();
795        let has_accepted_terms = self.state.read(cx).has_accepted_terms_of_service(cx);
796
797        let is_pro = plan == Some(proto::Plan::ZedPro);
798        let subscription_text = Label::new(if is_pro {
799            "You have full access to Zed's hosted LLMs, which include models from Anthropic, OpenAI, and Google. They come with faster speeds and higher limits through Zed Pro."
800        } else {
801            "You have basic access to models from Anthropic through the Zed AI Free plan."
802        });
803        let manage_subscription_button = if is_pro {
804            Some(
805                h_flex().child(
806                    Button::new("manage_settings", "Manage Subscription")
807                        .style(ButtonStyle::Tinted(TintColor::Accent))
808                        .on_click(
809                            cx.listener(|_, _, _, cx| cx.open_url(&zed_urls::account_url(cx))),
810                        ),
811                ),
812            )
813        } else if cx.has_flag::<ZedPro>() {
814            Some(
815                h_flex()
816                    .gap_2()
817                    .child(
818                        Button::new("learn_more", "Learn more")
819                            .style(ButtonStyle::Subtle)
820                            .on_click(cx.listener(|_, _, _, cx| cx.open_url(ZED_AI_URL))),
821                    )
822                    .child(
823                        Button::new("upgrade", "Upgrade")
824                            .style(ButtonStyle::Subtle)
825                            .color(Color::Accent)
826                            .on_click(
827                                cx.listener(|_, _, _, cx| cx.open_url(&zed_urls::account_url(cx))),
828                            ),
829                    ),
830            )
831        } else {
832            None
833        };
834
835        if is_connected {
836            v_flex()
837                .gap_3()
838                .w_full()
839                .children(render_accept_terms(
840                    self.state.clone(),
841                    LanguageModelProviderTosView::Configuration,
842                    cx,
843                ))
844                .when(has_accepted_terms, |this| {
845                    this.child(subscription_text)
846                        .children(manage_subscription_button)
847                })
848        } else {
849            v_flex()
850                .gap_2()
851                .child(Label::new("Use Zed AI to access hosted language models."))
852                .child(
853                    Button::new("sign_in", "Sign In")
854                        .icon_color(Color::Muted)
855                        .icon(IconName::Github)
856                        .icon_position(IconPosition::Start)
857                        .on_click(cx.listener(move |this, _, _, cx| this.authenticate(cx))),
858                )
859        }
860    }
861}