954 lines · 35.2 KB · Rust
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use anthropic::{AnthropicError, AnthropicModelMode, parse_prompt_too_long};use anyhow::{Result, anyhow};use client::{Client, UserStore, zed_urls};use collections::BTreeMap;use feature_flags::{FeatureFlagAppExt, LlmClosedBeta, ZedPro};use futures::{    AsyncBufReadExt, FutureExt, Stream, StreamExt, TryStreamExt as _, future::BoxFuture,    stream::BoxStream,};use gpui::{AnyElement, AnyView, App, AsyncApp, Context, Entity, Subscription, Task};use http_client::{AsyncBody, HttpClient, Method, Response, StatusCode};use language_model::{    AuthenticateError, CloudModel, LanguageModel, LanguageModelCacheConfiguration, LanguageModelId,    LanguageModelKnownError, LanguageModelName, LanguageModelProviderId, LanguageModelProviderName,    LanguageModelProviderState, LanguageModelProviderTosView, LanguageModelRequest,    LanguageModelToolSchemaFormat, ModelRequestLimitReachedError, RateLimiter, RequestUsage,    ZED_CLOUD_PROVIDER_ID,};use language_model::{    LanguageModelAvailability, LanguageModelCompletionEvent, LanguageModelProvider, LlmApiToken,    MaxMonthlySpendReachedError, PaymentRequiredError, RefreshLlmTokenListener,};use proto::Plan;use schemars::JsonSchema;use serde::{Deserialize, Serialize, de::DeserializeOwned};use settings::{Settings, SettingsStore};use smol::Timer;use smol::io::{AsyncReadExt, BufReader};use std::str::FromStr as _;use std::{    sync::{Arc, LazyLock},    time::Duration,};use strum::IntoEnumIterator;use thiserror::Error;use ui::{TintColor, prelude::*};use zed_llm_client::{    CURRENT_PLAN_HEADER_NAME, CompletionBody, EXPIRED_LLM_TOKEN_HEADER_NAME,    MAX_LLM_MONTHLY_SPEND_REACHED_HEADER_NAME, MODEL_REQUESTS_RESOURCE_HEADER_VALUE,    SUBSCRIPTION_LIMIT_RESOURCE_HEADER_NAME,}; use crate::AllLanguageModelSettings;use crate::provider::anthropic::{count_anthropic_tokens, into_anthropic};use crate::provider::google::into_google;use crate::provider::open_ai::{count_open_ai_tokens, into_open_ai}; pub const PROVIDER_NAME: &str = "Zed"; const ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON: Option<&str> =    option_env!("ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON"); fn zed_cloud_provider_additional_models() -> &'static [AvailableModel] {    static ADDITIONAL_MODELS: LazyLock<Vec<AvailableModel>> = LazyLock::new(|| {        ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON            .map(|json| serde_json::from_str(json).unwrap())            .unwrap_or_default()    });    ADDITIONAL_MODELS.as_slice()} #[derive(Default, Clone, Debug, PartialEq)]pub struct ZedDotDevSettings {    pub available_models: Vec<AvailableModel>,} #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]#[serde(rename_all = "lowercase")]pub enum AvailableProvider {    Anthropic,    OpenAi,    Google,} #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]pub struct AvailableModel {    /// The provider of the language model.    pub provider: AvailableProvider,    /// The model's name in the provider's API. e.g. claude-3-5-sonnet-20240620    pub name: String,    /// The name displayed in the UI, such as in the assistant panel model dropdown menu.    pub display_name: Option<String>,    /// The size of the context window, indicating the maximum number of tokens the model can process.    pub max_tokens: usize,    /// The maximum number of output tokens allowed by the model.    pub max_output_tokens: Option<u32>,    /// The maximum number of completion tokens allowed by the model (o1-* only)    pub max_completion_tokens: Option<u32>,    /// Override this model with a different Anthropic model for tool calls.    pub tool_override: Option<String>,    /// Indicates whether this custom model supports caching.    pub cache_configuration: Option<LanguageModelCacheConfiguration>,    /// The default temperature to use for this model.    pub default_temperature: Option<f32>,    /// Any extra beta headers to provide when using the model.    #[serde(default)]    pub extra_beta_headers: Vec<String>,    /// The model's mode (e.g. thinking)    pub mode: Option<ModelMode>,} #[derive(Default, Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]#[serde(tag = "type", rename_all = "lowercase")]pub enum ModelMode {    #[default]    Default,    Thinking {        /// The maximum number of tokens to use for reasoning. Must be lower than the model's `max_output_tokens`.        budget_tokens: Option<u32>,    },} impl From<ModelMode> for AnthropicModelMode {    fn from(value: ModelMode) -> Self {        match value {            ModelMode::Default => AnthropicModelMode::Default,            ModelMode::Thinking { budget_tokens } => AnthropicModelMode::Thinking { budget_tokens },        }    }} pub struct CloudLanguageModelProvider {    client: Arc<Client>,    state: gpui::Entity<State>,    _maintain_client_status: Task<()>,} pub struct State {    client: Arc<Client>,    llm_api_token: LlmApiToken,    user_store: Entity<UserStore>,    status: client::Status,    accept_terms: Option<Task<Result<()>>>,    _settings_subscription: Subscription,    _llm_token_subscription: Subscription,} impl State {    fn new(        client: Arc<Client>,        user_store: Entity<UserStore>,        status: client::Status,        cx: &mut Context<Self>,    ) -> Self {        let refresh_llm_token_listener = RefreshLlmTokenListener::global(cx);         Self {            client: client.clone(),            llm_api_token: LlmApiToken::default(),            user_store,            status,            accept_terms: None,            _settings_subscription: cx.observe_global::<SettingsStore>(|_, cx| {                cx.notify();            }),            _llm_token_subscription: cx.subscribe(                &refresh_llm_token_listener,                |this, _listener, _event, cx| {                    let client = this.client.clone();                    let llm_api_token = this.llm_api_token.clone();                    cx.spawn(async move |_this, _cx| {                        llm_api_token.refresh(&client).await?;                        anyhow::Ok(())                    })                    .detach_and_log_err(cx);                },            ),        }    }     fn is_signed_out(&self) -> bool {        self.status.is_signed_out()    }     fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<()>> {        let client = self.client.clone();        cx.spawn(async move |this, cx| {            client.authenticate_and_connect(true, &cx).await?;            this.update(cx, |_, cx| cx.notify())        })    }     fn has_accepted_terms_of_service(&self, cx: &App) -> bool {        self.user_store            .read(cx)            .current_user_has_accepted_terms()            .unwrap_or(false)    }     fn accept_terms_of_service(&mut self, cx: &mut Context<Self>) {        let user_store = self.user_store.clone();        self.accept_terms = Some(cx.spawn(async move |this, cx| {            let _ = user_store                .update(cx, |store, cx| store.accept_terms_of_service(cx))?                .await;            this.update(cx, |this, cx| {                this.accept_terms = None;                cx.notify()            })        }));    }} impl CloudLanguageModelProvider {    pub fn new(user_store: Entity<UserStore>, client: Arc<Client>, cx: &mut App) -> Self {        let mut status_rx = client.status();        let status = *status_rx.borrow();         let state = cx.new(|cx| State::new(client.clone(), user_store.clone(), status, cx));         let state_ref = state.downgrade();        let maintain_client_status = cx.spawn(async move |cx| {            while let Some(status) = status_rx.next().await {                if let Some(this) = state_ref.upgrade() {                    _ = this.update(cx, |this, cx| {                        if this.status != status {                            this.status = status;                            cx.notify();                        }                    });                } else {                    break;                }            }        });         Self {            client,            state: state.clone(),            _maintain_client_status: maintain_client_status,        }    }     fn create_language_model(        &self,        model: CloudModel,        llm_api_token: LlmApiToken,    ) -> Arc<dyn LanguageModel> {        Arc::new(CloudLanguageModel {            id: LanguageModelId::from(model.id().to_string()),            model,            llm_api_token: llm_api_token.clone(),            client: self.client.clone(),            request_limiter: RateLimiter::new(4),        })    }} impl LanguageModelProviderState for CloudLanguageModelProvider {    type ObservableEntity = State;     fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {        Some(self.state.clone())    }} impl LanguageModelProvider for CloudLanguageModelProvider {    fn id(&self) -> LanguageModelProviderId {        LanguageModelProviderId(ZED_CLOUD_PROVIDER_ID.into())    }     fn name(&self) -> LanguageModelProviderName {        LanguageModelProviderName(PROVIDER_NAME.into())    }     fn icon(&self) -> IconName {        IconName::AiZed    }     fn default_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>> {        let llm_api_token = self.state.read(cx).llm_api_token.clone();        let model = CloudModel::Anthropic(anthropic::Model::default());        Some(self.create_language_model(model, llm_api_token))    }     fn default_fast_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>> {        let llm_api_token = self.state.read(cx).llm_api_token.clone();        let model = CloudModel::Anthropic(anthropic::Model::default_fast());        Some(self.create_language_model(model, llm_api_token))    }     fn recommended_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {        let llm_api_token = self.state.read(cx).llm_api_token.clone();        [            CloudModel::Anthropic(anthropic::Model::Claude3_7Sonnet),            CloudModel::Anthropic(anthropic::Model::Claude3_7SonnetThinking),        ]        .into_iter()        .map(|model| self.create_language_model(model, llm_api_token.clone()))        .collect()    }     fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {        let mut models = BTreeMap::default();         if cx.is_staff() {            for model in anthropic::Model::iter() {                if !matches!(model, anthropic::Model::Custom { .. }) {                    models.insert(model.id().to_string(), CloudModel::Anthropic(model));                }            }            for model in open_ai::Model::iter() {                if !matches!(model, open_ai::Model::Custom { .. }) {                    models.insert(model.id().to_string(), CloudModel::OpenAi(model));                }            }            for model in google_ai::Model::iter() {                if !matches!(model, google_ai::Model::Custom { .. }) {                    models.insert(model.id().to_string(), CloudModel::Google(model));                }            }        } else {            models.insert(                anthropic::Model::Claude3_5Sonnet.id().to_string(),                CloudModel::Anthropic(anthropic::Model::Claude3_5Sonnet),            );            models.insert(                anthropic::Model::Claude3_7Sonnet.id().to_string(),                CloudModel::Anthropic(anthropic::Model::Claude3_7Sonnet),            );            models.insert(                anthropic::Model::Claude3_7SonnetThinking.id().to_string(),                CloudModel::Anthropic(anthropic::Model::Claude3_7SonnetThinking),            );        }         let llm_closed_beta_models = if cx.has_flag::<LlmClosedBeta>() {            zed_cloud_provider_additional_models()        } else {            &[]        };         // Override with available models from settings        for model in AllLanguageModelSettings::get_global(cx)            .zed_dot_dev            .available_models            .iter()            .chain(llm_closed_beta_models)            .cloned()        {            let model = match model.provider {                AvailableProvider::Anthropic => CloudModel::Anthropic(anthropic::Model::Custom {                    name: model.name.clone(),                    display_name: model.display_name.clone(),                    max_tokens: model.max_tokens,                    tool_override: model.tool_override.clone(),                    cache_configuration: model.cache_configuration.as_ref().map(|config| {                        anthropic::AnthropicModelCacheConfiguration {                            max_cache_anchors: config.max_cache_anchors,                            should_speculate: config.should_speculate,                            min_total_token: config.min_total_token,                        }                    }),                    default_temperature: model.default_temperature,                    max_output_tokens: model.max_output_tokens,                    extra_beta_headers: model.extra_beta_headers.clone(),                    mode: model.mode.unwrap_or_default().into(),                }),                AvailableProvider::OpenAi => CloudModel::OpenAi(open_ai::Model::Custom {                    name: model.name.clone(),                    display_name: model.display_name.clone(),                    max_tokens: model.max_tokens,                    max_output_tokens: model.max_output_tokens,                    max_completion_tokens: model.max_completion_tokens,                }),                AvailableProvider::Google => CloudModel::Google(google_ai::Model::Custom {                    name: model.name.clone(),                    display_name: model.display_name.clone(),                    max_tokens: model.max_tokens,                }),            };            models.insert(model.id().to_string(), model.clone());        }         let llm_api_token = self.state.read(cx).llm_api_token.clone();        models            .into_values()            .map(|model| self.create_language_model(model, llm_api_token.clone()))            .collect()    }     fn is_authenticated(&self, cx: &App) -> bool {        !self.state.read(cx).is_signed_out()    }     fn authenticate(&self, _cx: &mut App) -> Task<Result<(), AuthenticateError>> {        Task::ready(Ok(()))    }     fn configuration_view(&self, _: &mut Window, cx: &mut App) -> AnyView {        cx.new(|_| ConfigurationView {            state: self.state.clone(),        })        .into()    }     fn must_accept_terms(&self, cx: &App) -> bool {        !self.state.read(cx).has_accepted_terms_of_service(cx)    }     fn render_accept_terms(        &self,        view: LanguageModelProviderTosView,        cx: &mut App,    ) -> Option<AnyElement> {        render_accept_terms(self.state.clone(), view, cx)    }     fn reset_credentials(&self, _cx: &mut App) -> Task<Result<()>> {        Task::ready(Ok(()))    }} fn render_accept_terms(    state: Entity<State>,    view_kind: LanguageModelProviderTosView,    cx: &mut App,) -> Option<AnyElement> {    if state.read(cx).has_accepted_terms_of_service(cx) {        return None;    }     let accept_terms_disabled = state.read(cx).accept_terms.is_some();     let thread_fresh_start = matches!(view_kind, LanguageModelProviderTosView::ThreadFreshStart);    let thread_empty_state = matches!(view_kind, LanguageModelProviderTosView::ThreadtEmptyState);     let terms_button = Button::new("terms_of_service", "Terms of Service")        .style(ButtonStyle::Subtle)        .icon(IconName::ArrowUpRight)        .icon_color(Color::Muted)        .icon_size(IconSize::XSmall)        .when(thread_empty_state, |this| this.label_size(LabelSize::Small))        .on_click(move |_, _window, cx| cx.open_url("https://zed.dev/terms-of-service"));     let button_container = h_flex().child(        Button::new("accept_terms", "I accept the Terms of Service")            .when(!thread_empty_state, |this| {                this.full_width()                    .style(ButtonStyle::Tinted(TintColor::Accent))                    .icon(IconName::Check)                    .icon_position(IconPosition::Start)                    .icon_size(IconSize::Small)            })            .when(thread_empty_state, |this| {                this.style(ButtonStyle::Tinted(TintColor::Warning))                    .label_size(LabelSize::Small)            })            .disabled(accept_terms_disabled)            .on_click({                let state = state.downgrade();                move |_, _window, cx| {                    state                        .update(cx, |state, cx| state.accept_terms_of_service(cx))                        .ok();                }            }),    );     let form = if thread_empty_state {        h_flex()            .w_full()            .flex_wrap()            .justify_between()            .child(                h_flex()                    .child(                        Label::new("To start using Zed AI, please read and accept the")                            .size(LabelSize::Small),                    )                    .child(terms_button),            )            .child(button_container)    } else {        v_flex()            .w_full()            .gap_2()            .child(                h_flex()                    .flex_wrap()                    .when(thread_fresh_start, |this| this.justify_center())                    .child(Label::new(                        "To start using Zed AI, please read and accept the",                    ))                    .child(terms_button),            )            .child({                match view_kind {                    LanguageModelProviderTosView::PromptEditorPopup => {                        button_container.w_full().justify_end()                    }                    LanguageModelProviderTosView::Configuration => {                        button_container.w_full().justify_start()                    }                    LanguageModelProviderTosView::ThreadFreshStart => {                        button_container.w_full().justify_center()                    }                    LanguageModelProviderTosView::ThreadtEmptyState => div().w_0(),                }            })

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