mistral.rs

  1use anyhow::{Context as _, Result, anyhow};
  2use collections::BTreeMap;
  3use credentials_provider::CredentialsProvider;
  4use editor::{Editor, EditorElement, EditorStyle};
  5use futures::stream::BoxStream;
  6use futures::{FutureExt, StreamExt, future::BoxFuture};
  7use gpui::{
  8    AnyView, App, AsyncApp, Context, Entity, FontStyle, Subscription, Task, TextStyle, WhiteSpace,
  9};
 10use http_client::HttpClient;
 11use language_model::{
 12    AuthenticateError, LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent,
 13    LanguageModelId, LanguageModelName, LanguageModelProvider, LanguageModelProviderId,
 14    LanguageModelProviderName, LanguageModelProviderState, LanguageModelRequest,
 15    LanguageModelToolChoice, LanguageModelToolResultContent, LanguageModelToolUse, MessageContent,
 16    RateLimiter, Role, StopReason,
 17};
 18use schemars::JsonSchema;
 19use serde::{Deserialize, Serialize};
 20use settings::{Settings, SettingsStore};
 21use std::collections::HashMap;
 22use std::pin::Pin;
 23use std::str::FromStr;
 24use std::sync::Arc;
 25use strum::IntoEnumIterator;
 26use theme::ThemeSettings;
 27use ui::{Icon, IconName, List, Tooltip, prelude::*};
 28use util::ResultExt;
 29
 30use crate::{AllLanguageModelSettings, ui::InstructionListItem};
 31
 32const PROVIDER_ID: &str = "mistral";
 33const PROVIDER_NAME: &str = "Mistral";
 34
 35#[derive(Default, Clone, Debug, PartialEq)]
 36pub struct MistralSettings {
 37    pub api_url: String,
 38    pub available_models: Vec<AvailableModel>,
 39    pub needs_setting_migration: bool,
 40}
 41
 42#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
 43pub struct AvailableModel {
 44    pub name: String,
 45    pub display_name: Option<String>,
 46    pub max_tokens: usize,
 47    pub max_output_tokens: Option<u32>,
 48    pub max_completion_tokens: Option<u32>,
 49    pub supports_tools: Option<bool>,
 50    pub supports_images: Option<bool>,
 51}
 52
 53pub struct MistralLanguageModelProvider {
 54    http_client: Arc<dyn HttpClient>,
 55    state: gpui::Entity<State>,
 56}
 57
 58pub struct State {
 59    api_key: Option<String>,
 60    api_key_from_env: bool,
 61    _subscription: Subscription,
 62}
 63
 64const MISTRAL_API_KEY_VAR: &str = "MISTRAL_API_KEY";
 65
 66impl State {
 67    fn is_authenticated(&self) -> bool {
 68        self.api_key.is_some()
 69    }
 70
 71    fn reset_api_key(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
 72        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 73        let api_url = AllLanguageModelSettings::get_global(cx)
 74            .mistral
 75            .api_url
 76            .clone();
 77        cx.spawn(async move |this, cx| {
 78            credentials_provider
 79                .delete_credentials(&api_url, &cx)
 80                .await
 81                .log_err();
 82            this.update(cx, |this, cx| {
 83                this.api_key = None;
 84                this.api_key_from_env = false;
 85                cx.notify();
 86            })
 87        })
 88    }
 89
 90    fn set_api_key(&mut self, api_key: String, cx: &mut Context<Self>) -> Task<Result<()>> {
 91        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 92        let api_url = AllLanguageModelSettings::get_global(cx)
 93            .mistral
 94            .api_url
 95            .clone();
 96        cx.spawn(async move |this, cx| {
 97            credentials_provider
 98                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
 99                .await?;
100            this.update(cx, |this, cx| {
101                this.api_key = Some(api_key);
102                cx.notify();
103            })
104        })
105    }
106
107    fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
108        if self.is_authenticated() {
109            return Task::ready(Ok(()));
110        }
111
112        let credentials_provider = <dyn CredentialsProvider>::global(cx);
113        let api_url = AllLanguageModelSettings::get_global(cx)
114            .mistral
115            .api_url
116            .clone();
117        cx.spawn(async move |this, cx| {
118            let (api_key, from_env) = if let Ok(api_key) = std::env::var(MISTRAL_API_KEY_VAR) {
119                (api_key, true)
120            } else {
121                let (_, api_key) = credentials_provider
122                    .read_credentials(&api_url, &cx)
123                    .await?
124                    .ok_or(AuthenticateError::CredentialsNotFound)?;
125                (
126                    String::from_utf8(api_key).context("invalid {PROVIDER_NAME} API key")?,
127                    false,
128                )
129            };
130            this.update(cx, |this, cx| {
131                this.api_key = Some(api_key);
132                this.api_key_from_env = from_env;
133                cx.notify();
134            })?;
135
136            Ok(())
137        })
138    }
139}
140
141impl MistralLanguageModelProvider {
142    pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
143        let state = cx.new(|cx| State {
144            api_key: None,
145            api_key_from_env: false,
146            _subscription: cx.observe_global::<SettingsStore>(|_this: &mut State, cx| {
147                cx.notify();
148            }),
149        });
150
151        Self { http_client, state }
152    }
153
154    fn create_language_model(&self, model: mistral::Model) -> Arc<dyn LanguageModel> {
155        Arc::new(MistralLanguageModel {
156            id: LanguageModelId::from(model.id().to_string()),
157            model,
158            state: self.state.clone(),
159            http_client: self.http_client.clone(),
160            request_limiter: RateLimiter::new(4),
161        })
162    }
163}
164
165impl LanguageModelProviderState for MistralLanguageModelProvider {
166    type ObservableEntity = State;
167
168    fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {
169        Some(self.state.clone())
170    }
171}
172
173impl LanguageModelProvider for MistralLanguageModelProvider {
174    fn id(&self) -> LanguageModelProviderId {
175        LanguageModelProviderId(PROVIDER_ID.into())
176    }
177
178    fn name(&self) -> LanguageModelProviderName {
179        LanguageModelProviderName(PROVIDER_NAME.into())
180    }
181
182    fn icon(&self) -> IconName {
183        IconName::AiMistral
184    }
185
186    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
187        Some(self.create_language_model(mistral::Model::default()))
188    }
189
190    fn default_fast_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
191        Some(self.create_language_model(mistral::Model::default_fast()))
192    }
193
194    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
195        let mut models = BTreeMap::default();
196
197        // Add base models from mistral::Model::iter()
198        for model in mistral::Model::iter() {
199            if !matches!(model, mistral::Model::Custom { .. }) {
200                models.insert(model.id().to_string(), model);
201            }
202        }
203
204        // Override with available models from settings
205        for model in &AllLanguageModelSettings::get_global(cx)
206            .mistral
207            .available_models
208        {
209            models.insert(
210                model.name.clone(),
211                mistral::Model::Custom {
212                    name: model.name.clone(),
213                    display_name: model.display_name.clone(),
214                    max_tokens: model.max_tokens,
215                    max_output_tokens: model.max_output_tokens,
216                    max_completion_tokens: model.max_completion_tokens,
217                    supports_tools: model.supports_tools,
218                    supports_images: model.supports_images,
219                },
220            );
221        }
222
223        models
224            .into_values()
225            .map(|model| {
226                Arc::new(MistralLanguageModel {
227                    id: LanguageModelId::from(model.id().to_string()),
228                    model,
229                    state: self.state.clone(),
230                    http_client: self.http_client.clone(),
231                    request_limiter: RateLimiter::new(4),
232                }) as Arc<dyn LanguageModel>
233            })
234            .collect()
235    }
236
237    fn is_authenticated(&self, cx: &App) -> bool {
238        self.state.read(cx).is_authenticated()
239    }
240
241    fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
242        self.state.update(cx, |state, cx| state.authenticate(cx))
243    }
244
245    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
246        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
247            .into()
248    }
249
250    fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
251        self.state.update(cx, |state, cx| state.reset_api_key(cx))
252    }
253}
254
255pub struct MistralLanguageModel {
256    id: LanguageModelId,
257    model: mistral::Model,
258    state: gpui::Entity<State>,
259    http_client: Arc<dyn HttpClient>,
260    request_limiter: RateLimiter,
261}
262
263impl MistralLanguageModel {
264    fn stream_completion(
265        &self,
266        request: mistral::Request,
267        cx: &AsyncApp,
268    ) -> BoxFuture<
269        'static,
270        Result<futures::stream::BoxStream<'static, Result<mistral::StreamResponse>>>,
271    > {
272        let http_client = self.http_client.clone();
273        let Ok((api_key, api_url)) = cx.read_entity(&self.state, |state, cx| {
274            let settings = &AllLanguageModelSettings::get_global(cx).mistral;
275            (state.api_key.clone(), settings.api_url.clone())
276        }) else {
277            return futures::future::ready(Err(anyhow!("App state dropped"))).boxed();
278        };
279
280        let future = self.request_limiter.stream(async move {
281            let api_key = api_key.context("Missing Mistral API Key")?;
282            let request =
283                mistral::stream_completion(http_client.as_ref(), &api_url, &api_key, request);
284            let response = request.await?;
285            Ok(response)
286        });
287
288        async move { Ok(future.await?.boxed()) }.boxed()
289    }
290}
291
292impl LanguageModel for MistralLanguageModel {
293    fn id(&self) -> LanguageModelId {
294        self.id.clone()
295    }
296
297    fn name(&self) -> LanguageModelName {
298        LanguageModelName::from(self.model.display_name().to_string())
299    }
300
301    fn provider_id(&self) -> LanguageModelProviderId {
302        LanguageModelProviderId(PROVIDER_ID.into())
303    }
304
305    fn provider_name(&self) -> LanguageModelProviderName {
306        LanguageModelProviderName(PROVIDER_NAME.into())
307    }
308
309    fn supports_tools(&self) -> bool {
310        self.model.supports_tools()
311    }
312
313    fn supports_tool_choice(&self, _choice: LanguageModelToolChoice) -> bool {
314        self.model.supports_tools()
315    }
316
317    fn supports_images(&self) -> bool {
318        self.model.supports_images()
319    }
320
321    fn telemetry_id(&self) -> String {
322        format!("mistral/{}", self.model.id())
323    }
324
325    fn max_token_count(&self) -> usize {
326        self.model.max_token_count()
327    }
328
329    fn max_output_tokens(&self) -> Option<u32> {
330        self.model.max_output_tokens()
331    }
332
333    fn count_tokens(
334        &self,
335        request: LanguageModelRequest,
336        cx: &App,
337    ) -> BoxFuture<'static, Result<usize>> {
338        cx.background_spawn(async move {
339            let messages = request
340                .messages
341                .into_iter()
342                .map(|message| tiktoken_rs::ChatCompletionRequestMessage {
343                    role: match message.role {
344                        Role::User => "user".into(),
345                        Role::Assistant => "assistant".into(),
346                        Role::System => "system".into(),
347                    },
348                    content: Some(message.string_contents()),
349                    name: None,
350                    function_call: None,
351                })
352                .collect::<Vec<_>>();
353
354            tiktoken_rs::num_tokens_from_messages("gpt-4", &messages)
355        })
356        .boxed()
357    }
358
359    fn stream_completion(
360        &self,
361        request: LanguageModelRequest,
362        cx: &AsyncApp,
363    ) -> BoxFuture<
364        'static,
365        Result<
366            BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
367        >,
368    > {
369        let request = into_mistral(
370            request,
371            self.model.id().to_string(),
372            self.max_output_tokens(),
373        );
374        let stream = self.stream_completion(request, cx);
375
376        async move {
377            let stream = stream.await?;
378            let mapper = MistralEventMapper::new();
379            Ok(mapper.map_stream(stream).boxed())
380        }
381        .boxed()
382    }
383}
384
385pub fn into_mistral(
386    request: LanguageModelRequest,
387    model: String,
388    max_output_tokens: Option<u32>,
389) -> mistral::Request {
390    let stream = true;
391
392    let mut messages = Vec::new();
393    for message in &request.messages {
394        match message.role {
395            Role::User => {
396                let mut message_content = mistral::MessageContent::empty();
397                for content in &message.content {
398                    match content {
399                        MessageContent::Text(text) => {
400                            message_content
401                                .push_part(mistral::MessagePart::Text { text: text.clone() });
402                        }
403                        MessageContent::Image(image_content) => {
404                            message_content.push_part(mistral::MessagePart::ImageUrl {
405                                image_url: image_content.to_base64_url(),
406                            });
407                        }
408                        MessageContent::Thinking { text, .. } => {
409                            message_content
410                                .push_part(mistral::MessagePart::Text { text: text.clone() });
411                        }
412                        MessageContent::RedactedThinking(_) => {}
413                        MessageContent::ToolUse(_) | MessageContent::ToolResult(_) => {
414                            // Tool content is not supported in User messages for Mistral
415                        }
416                    }
417                }
418                if !matches!(message_content, mistral::MessageContent::Plain { ref content } if content.is_empty())
419                {
420                    messages.push(mistral::RequestMessage::User {
421                        content: message_content,
422                    });
423                }
424            }
425            Role::Assistant => {
426                for content in &message.content {
427                    match content {
428                        MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
429                            messages.push(mistral::RequestMessage::Assistant {
430                                content: Some(text.clone()),
431                                tool_calls: Vec::new(),
432                            });
433                        }
434                        MessageContent::RedactedThinking(_) => {}
435                        MessageContent::Image(_) => {}
436                        MessageContent::ToolUse(tool_use) => {
437                            let tool_call = mistral::ToolCall {
438                                id: tool_use.id.to_string(),
439                                content: mistral::ToolCallContent::Function {
440                                    function: mistral::FunctionContent {
441                                        name: tool_use.name.to_string(),
442                                        arguments: serde_json::to_string(&tool_use.input)
443                                            .unwrap_or_default(),
444                                    },
445                                },
446                            };
447
448                            if let Some(mistral::RequestMessage::Assistant { tool_calls, .. }) =
449                                messages.last_mut()
450                            {
451                                tool_calls.push(tool_call);
452                            } else {
453                                messages.push(mistral::RequestMessage::Assistant {
454                                    content: None,
455                                    tool_calls: vec![tool_call],
456                                });
457                            }
458                        }
459                        MessageContent::ToolResult(_) => {
460                            // Tool results are not supported in Assistant messages
461                        }
462                    }
463                }
464            }
465            Role::System => {
466                for content in &message.content {
467                    match content {
468                        MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
469                            messages.push(mistral::RequestMessage::System {
470                                content: text.clone(),
471                            });
472                        }
473                        MessageContent::RedactedThinking(_) => {}
474                        MessageContent::Image(_)
475                        | MessageContent::ToolUse(_)
476                        | MessageContent::ToolResult(_) => {
477                            // Images and tools are not supported in System messages
478                        }
479                    }
480                }
481            }
482        }
483    }
484
485    for message in &request.messages {
486        for content in &message.content {
487            if let MessageContent::ToolResult(tool_result) = content {
488                let content = match &tool_result.content {
489                    LanguageModelToolResultContent::Text(text) => text.to_string(),
490                    LanguageModelToolResultContent::Image(_) => {
491                        "[Tool responded with an image, but Zed doesn't support these in Mistral models yet]".to_string()
492                    }
493                };
494
495                messages.push(mistral::RequestMessage::Tool {
496                    content,
497                    tool_call_id: tool_result.tool_use_id.to_string(),
498                });
499            }
500        }
501    }
502
503    // The Mistral API requires that tool messages be followed by assistant messages,
504    // not user messages. When we have a tool->user sequence in the conversation,
505    // we need to insert a placeholder assistant message to maintain proper conversation
506    // flow and prevent API errors. This is a Mistral-specific requirement that differs
507    // from other language model APIs.
508    let messages = {
509        let mut fixed_messages = Vec::with_capacity(messages.len());
510        let mut messages_iter = messages.into_iter().peekable();
511
512        while let Some(message) = messages_iter.next() {
513            let is_tool_message = matches!(message, mistral::RequestMessage::Tool { .. });
514            fixed_messages.push(message);
515
516            // Insert assistant message between tool and user messages
517            if is_tool_message {
518                if let Some(next_msg) = messages_iter.peek() {
519                    if matches!(next_msg, mistral::RequestMessage::User { .. }) {
520                        fixed_messages.push(mistral::RequestMessage::Assistant {
521                            content: Some(" ".to_string()),
522                            tool_calls: Vec::new(),
523                        });
524                    }
525                }
526            }
527        }
528
529        fixed_messages
530    };
531
532    mistral::Request {
533        model,
534        messages,
535        stream,
536        max_tokens: max_output_tokens,
537        temperature: request.temperature,
538        response_format: None,
539        tool_choice: match request.tool_choice {
540            Some(LanguageModelToolChoice::Auto) if !request.tools.is_empty() => {
541                Some(mistral::ToolChoice::Auto)
542            }
543            Some(LanguageModelToolChoice::Any) if !request.tools.is_empty() => {
544                Some(mistral::ToolChoice::Any)
545            }
546            Some(LanguageModelToolChoice::None) => Some(mistral::ToolChoice::None),
547            _ if !request.tools.is_empty() => Some(mistral::ToolChoice::Auto),
548            _ => None,
549        },
550        parallel_tool_calls: if !request.tools.is_empty() {
551            Some(false)
552        } else {
553            None
554        },
555        tools: request
556            .tools
557            .into_iter()
558            .map(|tool| mistral::ToolDefinition::Function {
559                function: mistral::FunctionDefinition {
560                    name: tool.name,
561                    description: Some(tool.description),
562                    parameters: Some(tool.input_schema),
563                },
564            })
565            .collect(),
566    }
567}
568
569pub struct MistralEventMapper {
570    tool_calls_by_index: HashMap<usize, RawToolCall>,
571}
572
573impl MistralEventMapper {
574    pub fn new() -> Self {
575        Self {
576            tool_calls_by_index: HashMap::default(),
577        }
578    }
579
580    pub fn map_stream(
581        mut self,
582        events: Pin<Box<dyn Send + futures::Stream<Item = Result<mistral::StreamResponse>>>>,
583    ) -> impl futures::Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>
584    {
585        events.flat_map(move |event| {
586            futures::stream::iter(match event {
587                Ok(event) => self.map_event(event),
588                Err(error) => vec![Err(LanguageModelCompletionError::Other(anyhow!(error)))],
589            })
590        })
591    }
592
593    pub fn map_event(
594        &mut self,
595        event: mistral::StreamResponse,
596    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
597        let Some(choice) = event.choices.first() else {
598            return vec![Err(LanguageModelCompletionError::Other(anyhow!(
599                "Response contained no choices"
600            )))];
601        };
602
603        let mut events = Vec::new();
604        if let Some(content) = choice.delta.content.clone() {
605            events.push(Ok(LanguageModelCompletionEvent::Text(content)));
606        }
607
608        if let Some(tool_calls) = choice.delta.tool_calls.as_ref() {
609            for tool_call in tool_calls {
610                let entry = self.tool_calls_by_index.entry(tool_call.index).or_default();
611
612                if let Some(tool_id) = tool_call.id.clone() {
613                    entry.id = tool_id;
614                }
615
616                if let Some(function) = tool_call.function.as_ref() {
617                    if let Some(name) = function.name.clone() {
618                        entry.name = name;
619                    }
620
621                    if let Some(arguments) = function.arguments.clone() {
622                        entry.arguments.push_str(&arguments);
623                    }
624                }
625            }
626        }
627
628        if let Some(finish_reason) = choice.finish_reason.as_deref() {
629            match finish_reason {
630                "stop" => {
631                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
632                }
633                "tool_calls" => {
634                    events.extend(self.process_tool_calls());
635                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::ToolUse)));
636                }
637                unexpected => {
638                    log::error!("Unexpected Mistral stop_reason: {unexpected:?}");
639                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
640                }
641            }
642        }
643
644        events
645    }
646
647    fn process_tool_calls(
648        &mut self,
649    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
650        let mut results = Vec::new();
651
652        for (_, tool_call) in self.tool_calls_by_index.drain() {
653            if tool_call.id.is_empty() || tool_call.name.is_empty() {
654                results.push(Err(LanguageModelCompletionError::Other(anyhow!(
655                    "Received incomplete tool call: missing id or name"
656                ))));
657                continue;
658            }
659
660            match serde_json::Value::from_str(&tool_call.arguments) {
661                Ok(input) => results.push(Ok(LanguageModelCompletionEvent::ToolUse(
662                    LanguageModelToolUse {
663                        id: tool_call.id.into(),
664                        name: tool_call.name.into(),
665                        is_input_complete: true,
666                        input,
667                        raw_input: tool_call.arguments,
668                    },
669                ))),
670                Err(error) => results.push(Err(LanguageModelCompletionError::BadInputJson {
671                    id: tool_call.id.into(),
672                    tool_name: tool_call.name.into(),
673                    raw_input: tool_call.arguments.into(),
674                    json_parse_error: error.to_string(),
675                })),
676            }
677        }
678
679        results
680    }
681}
682
683#[derive(Default)]
684struct RawToolCall {
685    id: String,
686    name: String,
687    arguments: String,
688}
689
690struct ConfigurationView {
691    api_key_editor: Entity<Editor>,
692    state: gpui::Entity<State>,
693    load_credentials_task: Option<Task<()>>,
694}
695
696impl ConfigurationView {
697    fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
698        let api_key_editor = cx.new(|cx| {
699            let mut editor = Editor::single_line(window, cx);
700            editor.set_placeholder_text("0aBCDEFGhIjKLmNOpqrSTUVwxyzabCDE1f2", cx);
701            editor
702        });
703
704        cx.observe(&state, |_, _, cx| {
705            cx.notify();
706        })
707        .detach();
708
709        let load_credentials_task = Some(cx.spawn_in(window, {
710            let state = state.clone();
711            async move |this, cx| {
712                if let Some(task) = state
713                    .update(cx, |state, cx| state.authenticate(cx))
714                    .log_err()
715                {
716                    // We don't log an error, because "not signed in" is also an error.
717                    let _ = task.await;
718                }
719
720                this.update(cx, |this, cx| {
721                    this.load_credentials_task = None;
722                    cx.notify();
723                })
724                .log_err();
725            }
726        }));
727
728        Self {
729            api_key_editor,
730            state,
731            load_credentials_task,
732        }
733    }
734
735    fn save_api_key(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
736        let api_key = self.api_key_editor.read(cx).text(cx);
737        if api_key.is_empty() {
738            return;
739        }
740
741        let state = self.state.clone();
742        cx.spawn_in(window, async move |_, cx| {
743            state
744                .update(cx, |state, cx| state.set_api_key(api_key, cx))?
745                .await
746        })
747        .detach_and_log_err(cx);
748
749        cx.notify();
750    }
751
752    fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
753        self.api_key_editor
754            .update(cx, |editor, cx| editor.set_text("", window, cx));
755
756        let state = self.state.clone();
757        cx.spawn_in(window, async move |_, cx| {
758            state.update(cx, |state, cx| state.reset_api_key(cx))?.await
759        })
760        .detach_and_log_err(cx);
761
762        cx.notify();
763    }
764
765    fn render_api_key_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
766        let settings = ThemeSettings::get_global(cx);
767        let text_style = TextStyle {
768            color: cx.theme().colors().text,
769            font_family: settings.ui_font.family.clone(),
770            font_features: settings.ui_font.features.clone(),
771            font_fallbacks: settings.ui_font.fallbacks.clone(),
772            font_size: rems(0.875).into(),
773            font_weight: settings.ui_font.weight,
774            font_style: FontStyle::Normal,
775            line_height: relative(1.3),
776            white_space: WhiteSpace::Normal,
777            ..Default::default()
778        };
779        EditorElement::new(
780            &self.api_key_editor,
781            EditorStyle {
782                background: cx.theme().colors().editor_background,
783                local_player: cx.theme().players().local(),
784                text: text_style,
785                ..Default::default()
786            },
787        )
788    }
789
790    fn should_render_editor(&self, cx: &mut Context<Self>) -> bool {
791        !self.state.read(cx).is_authenticated()
792    }
793}
794
795impl Render for ConfigurationView {
796    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
797        let env_var_set = self.state.read(cx).api_key_from_env;
798
799        if self.load_credentials_task.is_some() {
800            div().child(Label::new("Loading credentials...")).into_any()
801        } else if self.should_render_editor(cx) {
802            v_flex()
803                .size_full()
804                .on_action(cx.listener(Self::save_api_key))
805                .child(Label::new("To use Zed's assistant with Mistral, you need to add an API key. Follow these steps:"))
806                .child(
807                    List::new()
808                        .child(InstructionListItem::new(
809                            "Create one by visiting",
810                            Some("Mistral's console"),
811                            Some("https://console.mistral.ai/api-keys"),
812                        ))
813                        .child(InstructionListItem::text_only(
814                            "Ensure your Mistral account has credits",
815                        ))
816                        .child(InstructionListItem::text_only(
817                            "Paste your API key below and hit enter to start using the assistant",
818                        )),
819                )
820                .child(
821                    h_flex()
822                        .w_full()
823                        .my_2()
824                        .px_2()
825                        .py_1()
826                        .bg(cx.theme().colors().editor_background)
827                        .border_1()
828                        .border_color(cx.theme().colors().border)
829                        .rounded_sm()
830                        .child(self.render_api_key_editor(cx)),
831                )
832                .child(
833                    Label::new(
834                        format!("You can also assign the {MISTRAL_API_KEY_VAR} environment variable and restart Zed."),
835                    )
836                    .size(LabelSize::Small).color(Color::Muted),
837                )
838                .into_any()
839        } else {
840            h_flex()
841                .mt_1()
842                .p_1()
843                .justify_between()
844                .rounded_md()
845                .border_1()
846                .border_color(cx.theme().colors().border)
847                .bg(cx.theme().colors().background)
848                .child(
849                    h_flex()
850                        .gap_1()
851                        .child(Icon::new(IconName::Check).color(Color::Success))
852                        .child(Label::new(if env_var_set {
853                            format!("API key set in {MISTRAL_API_KEY_VAR} environment variable.")
854                        } else {
855                            "API key configured.".to_string()
856                        })),
857                )
858                .child(
859                    Button::new("reset-key", "Reset Key")
860                        .label_size(LabelSize::Small)
861                        .icon(Some(IconName::Trash))
862                        .icon_size(IconSize::Small)
863                        .icon_position(IconPosition::Start)
864                        .disabled(env_var_set)
865                        .when(env_var_set, |this| {
866                            this.tooltip(Tooltip::text(format!("To reset your API key, unset the {MISTRAL_API_KEY_VAR} environment variable.")))
867                        })
868                        .on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx))),
869                )
870                .into_any()
871        }
872    }
873}
874
875#[cfg(test)]
876mod tests {
877    use super::*;
878    use language_model::{LanguageModelImage, LanguageModelRequestMessage, MessageContent};
879
880    #[test]
881    fn test_into_mistral_basic_conversion() {
882        let request = LanguageModelRequest {
883            messages: vec![
884                LanguageModelRequestMessage {
885                    role: Role::System,
886                    content: vec![MessageContent::Text("System prompt".into())],
887                    cache: false,
888                },
889                LanguageModelRequestMessage {
890                    role: Role::User,
891                    content: vec![MessageContent::Text("Hello".into())],
892                    cache: false,
893                },
894            ],
895            temperature: Some(0.5),
896            tools: vec![],
897            tool_choice: None,
898            thread_id: None,
899            prompt_id: None,
900            intent: None,
901            mode: None,
902            stop: vec![],
903        };
904
905        let mistral_request = into_mistral(request, "mistral-small-latest".into(), None);
906
907        assert_eq!(mistral_request.model, "mistral-small-latest");
908        assert_eq!(mistral_request.temperature, Some(0.5));
909        assert_eq!(mistral_request.messages.len(), 2);
910        assert!(mistral_request.stream);
911    }
912
913    #[test]
914    fn test_into_mistral_with_image() {
915        let request = LanguageModelRequest {
916            messages: vec![LanguageModelRequestMessage {
917                role: Role::User,
918                content: vec![
919                    MessageContent::Text("What's in this image?".into()),
920                    MessageContent::Image(LanguageModelImage {
921                        source: "base64data".into(),
922                        size: Default::default(),
923                    }),
924                ],
925                cache: false,
926            }],
927            tools: vec![],
928            tool_choice: None,
929            temperature: None,
930            thread_id: None,
931            prompt_id: None,
932            intent: None,
933            mode: None,
934            stop: vec![],
935        };
936
937        let mistral_request = into_mistral(request, "pixtral-12b-latest".into(), None);
938
939        assert_eq!(mistral_request.messages.len(), 1);
940        assert!(matches!(
941            &mistral_request.messages[0],
942            mistral::RequestMessage::User {
943                content: mistral::MessageContent::Multipart { .. }
944            }
945        ));
946
947        if let mistral::RequestMessage::User {
948            content: mistral::MessageContent::Multipart { content },
949        } = &mistral_request.messages[0]
950        {
951            assert_eq!(content.len(), 2);
952            assert!(matches!(
953                &content[0],
954                mistral::MessagePart::Text { text } if text == "What's in this image?"
955            ));
956            assert!(matches!(
957                &content[1],
958                mistral::MessagePart::ImageUrl { image_url } if image_url.starts_with("data:image/png;base64,")
959            ));
960        }
961    }
962}