mistral.rs

  1use anyhow::{Result, anyhow};
  2use collections::BTreeMap;
  3
  4use futures::{FutureExt, Stream, StreamExt, future::BoxFuture, stream::BoxStream};
  5use gpui::{AnyView, App, AsyncApp, Context, Entity, Global, SharedString, Task, Window};
  6use http_client::HttpClient;
  7use language_model::{
  8    ApiKeyState, AuthenticateError, EnvVar, IconOrSvg, LanguageModel, LanguageModelCompletionError,
  9    LanguageModelCompletionEvent, LanguageModelId, LanguageModelName, LanguageModelProvider,
 10    LanguageModelProviderId, LanguageModelProviderName, LanguageModelProviderState,
 11    LanguageModelRequest, LanguageModelToolChoice, LanguageModelToolResultContent,
 12    LanguageModelToolUse, MessageContent, RateLimiter, Role, StopReason, TokenUsage, env_var,
 13};
 14pub use mistral::{MISTRAL_API_URL, StreamResponse};
 15pub use settings::MistralAvailableModel as AvailableModel;
 16use settings::{Settings, SettingsStore};
 17use std::collections::HashMap;
 18use std::pin::Pin;
 19use std::sync::{Arc, LazyLock};
 20use strum::IntoEnumIterator;
 21use ui::{ButtonLink, ConfiguredApiCard, List, ListBulletItem, prelude::*};
 22use ui_input::InputField;
 23use util::ResultExt;
 24
 25use crate::provider::util::parse_tool_arguments;
 26
 27const PROVIDER_ID: LanguageModelProviderId = LanguageModelProviderId::new("mistral");
 28const PROVIDER_NAME: LanguageModelProviderName = LanguageModelProviderName::new("Mistral");
 29
 30const API_KEY_ENV_VAR_NAME: &str = "MISTRAL_API_KEY";
 31static API_KEY_ENV_VAR: LazyLock<EnvVar> = env_var!(API_KEY_ENV_VAR_NAME);
 32
 33#[derive(Default, Clone, Debug, PartialEq)]
 34pub struct MistralSettings {
 35    pub api_url: String,
 36    pub available_models: Vec<AvailableModel>,
 37}
 38
 39pub struct MistralLanguageModelProvider {
 40    http_client: Arc<dyn HttpClient>,
 41    pub state: Entity<State>,
 42}
 43
 44pub struct State {
 45    api_key_state: ApiKeyState,
 46}
 47
 48impl State {
 49    fn is_authenticated(&self) -> bool {
 50        self.api_key_state.has_key()
 51    }
 52
 53    fn set_api_key(&mut self, api_key: Option<String>, cx: &mut Context<Self>) -> Task<Result<()>> {
 54        let api_url = MistralLanguageModelProvider::api_url(cx);
 55        self.api_key_state
 56            .store(api_url, api_key, |this| &mut this.api_key_state, cx)
 57    }
 58
 59    fn authenticate(&mut self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
 60        let api_url = MistralLanguageModelProvider::api_url(cx);
 61        self.api_key_state
 62            .load_if_needed(api_url, |this| &mut this.api_key_state, cx)
 63    }
 64}
 65
 66struct GlobalMistralLanguageModelProvider(Arc<MistralLanguageModelProvider>);
 67
 68impl Global for GlobalMistralLanguageModelProvider {}
 69
 70impl MistralLanguageModelProvider {
 71    pub fn try_global(cx: &App) -> Option<&Arc<MistralLanguageModelProvider>> {
 72        cx.try_global::<GlobalMistralLanguageModelProvider>()
 73            .map(|this| &this.0)
 74    }
 75
 76    pub fn global(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Arc<Self> {
 77        if let Some(this) = cx.try_global::<GlobalMistralLanguageModelProvider>() {
 78            return this.0.clone();
 79        }
 80        let state = cx.new(|cx| {
 81            cx.observe_global::<SettingsStore>(|this: &mut State, cx| {
 82                let api_url = Self::api_url(cx);
 83                this.api_key_state
 84                    .handle_url_change(api_url, |this| &mut this.api_key_state, cx);
 85                cx.notify();
 86            })
 87            .detach();
 88            State {
 89                api_key_state: ApiKeyState::new(Self::api_url(cx), (*API_KEY_ENV_VAR).clone()),
 90            }
 91        });
 92
 93        let this = Arc::new(Self { http_client, state });
 94        cx.set_global(GlobalMistralLanguageModelProvider(this));
 95        cx.global::<GlobalMistralLanguageModelProvider>().0.clone()
 96    }
 97
 98    fn create_language_model(&self, model: mistral::Model) -> Arc<dyn LanguageModel> {
 99        Arc::new(MistralLanguageModel {
100            id: LanguageModelId::from(model.id().to_string()),
101            model,
102            state: self.state.clone(),
103            http_client: self.http_client.clone(),
104            request_limiter: RateLimiter::new(4),
105        })
106    }
107
108    fn settings(cx: &App) -> &MistralSettings {
109        &crate::AllLanguageModelSettings::get_global(cx).mistral
110    }
111
112    pub fn api_url(cx: &App) -> SharedString {
113        let api_url = &Self::settings(cx).api_url;
114        if api_url.is_empty() {
115            mistral::MISTRAL_API_URL.into()
116        } else {
117            SharedString::new(api_url.as_str())
118        }
119    }
120}
121
122impl LanguageModelProviderState for MistralLanguageModelProvider {
123    type ObservableEntity = State;
124
125    fn observable_entity(&self) -> Option<Entity<Self::ObservableEntity>> {
126        Some(self.state.clone())
127    }
128}
129
130impl LanguageModelProvider for MistralLanguageModelProvider {
131    fn id(&self) -> LanguageModelProviderId {
132        PROVIDER_ID
133    }
134
135    fn name(&self) -> LanguageModelProviderName {
136        PROVIDER_NAME
137    }
138
139    fn icon(&self) -> IconOrSvg {
140        IconOrSvg::Icon(IconName::AiMistral)
141    }
142
143    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
144        Some(self.create_language_model(mistral::Model::default()))
145    }
146
147    fn default_fast_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
148        Some(self.create_language_model(mistral::Model::default_fast()))
149    }
150
151    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
152        let mut models = BTreeMap::default();
153
154        // Add base models from mistral::Model::iter()
155        for model in mistral::Model::iter() {
156            if !matches!(model, mistral::Model::Custom { .. }) {
157                models.insert(model.id().to_string(), model);
158            }
159        }
160
161        // Override with available models from settings
162        for model in &Self::settings(cx).available_models {
163            models.insert(
164                model.name.clone(),
165                mistral::Model::Custom {
166                    name: model.name.clone(),
167                    display_name: model.display_name.clone(),
168                    max_tokens: model.max_tokens,
169                    max_output_tokens: model.max_output_tokens,
170                    max_completion_tokens: model.max_completion_tokens,
171                    supports_tools: model.supports_tools,
172                    supports_images: model.supports_images,
173                    supports_thinking: model.supports_thinking,
174                },
175            );
176        }
177
178        models
179            .into_values()
180            .map(|model| {
181                Arc::new(MistralLanguageModel {
182                    id: LanguageModelId::from(model.id().to_string()),
183                    model,
184                    state: self.state.clone(),
185                    http_client: self.http_client.clone(),
186                    request_limiter: RateLimiter::new(4),
187                }) as Arc<dyn LanguageModel>
188            })
189            .collect()
190    }
191
192    fn is_authenticated(&self, cx: &App) -> bool {
193        self.state.read(cx).is_authenticated()
194    }
195
196    fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
197        self.state.update(cx, |state, cx| state.authenticate(cx))
198    }
199
200    fn configuration_view(
201        &self,
202        _target_agent: language_model::ConfigurationViewTargetAgent,
203        window: &mut Window,
204        cx: &mut App,
205    ) -> AnyView {
206        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
207            .into()
208    }
209
210    fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
211        self.state
212            .update(cx, |state, cx| state.set_api_key(None, cx))
213    }
214}
215
216pub struct MistralLanguageModel {
217    id: LanguageModelId,
218    model: mistral::Model,
219    state: Entity<State>,
220    http_client: Arc<dyn HttpClient>,
221    request_limiter: RateLimiter,
222}
223
224impl MistralLanguageModel {
225    fn stream_completion(
226        &self,
227        request: mistral::Request,
228        cx: &AsyncApp,
229    ) -> BoxFuture<
230        'static,
231        Result<futures::stream::BoxStream<'static, Result<mistral::StreamResponse>>>,
232    > {
233        let http_client = self.http_client.clone();
234
235        let (api_key, api_url) = self.state.read_with(cx, |state, cx| {
236            let api_url = MistralLanguageModelProvider::api_url(cx);
237            (state.api_key_state.key(&api_url), api_url)
238        });
239
240        let future = self.request_limiter.stream(async move {
241            let Some(api_key) = api_key else {
242                return Err(LanguageModelCompletionError::NoApiKey {
243                    provider: PROVIDER_NAME,
244                });
245            };
246            let request =
247                mistral::stream_completion(http_client.as_ref(), &api_url, &api_key, request);
248            let response = request.await?;
249            Ok(response)
250        });
251
252        async move { Ok(future.await?.boxed()) }.boxed()
253    }
254}
255
256impl LanguageModel for MistralLanguageModel {
257    fn id(&self) -> LanguageModelId {
258        self.id.clone()
259    }
260
261    fn name(&self) -> LanguageModelName {
262        LanguageModelName::from(self.model.display_name().to_string())
263    }
264
265    fn provider_id(&self) -> LanguageModelProviderId {
266        PROVIDER_ID
267    }
268
269    fn provider_name(&self) -> LanguageModelProviderName {
270        PROVIDER_NAME
271    }
272
273    fn supports_tools(&self) -> bool {
274        self.model.supports_tools()
275    }
276
277    fn supports_tool_choice(&self, _choice: LanguageModelToolChoice) -> bool {
278        self.model.supports_tools()
279    }
280
281    fn supports_images(&self) -> bool {
282        self.model.supports_images()
283    }
284
285    fn telemetry_id(&self) -> String {
286        format!("mistral/{}", self.model.id())
287    }
288
289    fn max_token_count(&self) -> u64 {
290        self.model.max_token_count()
291    }
292
293    fn max_output_tokens(&self) -> Option<u64> {
294        self.model.max_output_tokens()
295    }
296
297    fn count_tokens(
298        &self,
299        request: LanguageModelRequest,
300        cx: &App,
301    ) -> BoxFuture<'static, Result<u64>> {
302        cx.background_spawn(async move {
303            let messages = request
304                .messages
305                .into_iter()
306                .map(|message| tiktoken_rs::ChatCompletionRequestMessage {
307                    role: match message.role {
308                        Role::User => "user".into(),
309                        Role::Assistant => "assistant".into(),
310                        Role::System => "system".into(),
311                    },
312                    content: Some(message.string_contents()),
313                    name: None,
314                    function_call: None,
315                })
316                .collect::<Vec<_>>();
317
318            tiktoken_rs::num_tokens_from_messages("gpt-4", &messages).map(|tokens| tokens as u64)
319        })
320        .boxed()
321    }
322
323    fn stream_completion(
324        &self,
325        request: LanguageModelRequest,
326        cx: &AsyncApp,
327    ) -> BoxFuture<
328        'static,
329        Result<
330            BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
331            LanguageModelCompletionError,
332        >,
333    > {
334        let request = into_mistral(request, self.model.clone(), self.max_output_tokens());
335        let stream = self.stream_completion(request, cx);
336
337        async move {
338            let stream = stream.await?;
339            let mapper = MistralEventMapper::new();
340            Ok(mapper.map_stream(stream).boxed())
341        }
342        .boxed()
343    }
344}
345
346pub fn into_mistral(
347    request: LanguageModelRequest,
348    model: mistral::Model,
349    max_output_tokens: Option<u64>,
350) -> mistral::Request {
351    let stream = true;
352
353    let mut messages = Vec::new();
354    for message in &request.messages {
355        match message.role {
356            Role::User => {
357                let mut message_content = mistral::MessageContent::empty();
358                for content in &message.content {
359                    match content {
360                        MessageContent::Text(text) => {
361                            message_content
362                                .push_part(mistral::MessagePart::Text { text: text.clone() });
363                        }
364                        MessageContent::Image(image_content) => {
365                            if model.supports_images() {
366                                message_content.push_part(mistral::MessagePart::ImageUrl {
367                                    image_url: image_content.to_base64_url(),
368                                });
369                            }
370                        }
371                        MessageContent::Thinking { text, .. } => {
372                            if model.supports_thinking() {
373                                message_content.push_part(mistral::MessagePart::Thinking {
374                                    thinking: vec![mistral::ThinkingPart::Text {
375                                        text: text.clone(),
376                                    }],
377                                });
378                            }
379                        }
380                        MessageContent::RedactedThinking(_) => {}
381                        MessageContent::ToolUse(_) => {
382                            // Tool use is not supported in User messages for Mistral
383                        }
384                        MessageContent::ToolResult(tool_result) => {
385                            let tool_content = match &tool_result.content {
386                                LanguageModelToolResultContent::Text(text) => text.to_string(),
387                                LanguageModelToolResultContent::Image(_) => {
388                                    "[Tool responded with an image, but Zed doesn't support these in Mistral models yet]".to_string()
389                                }
390                            };
391                            messages.push(mistral::RequestMessage::Tool {
392                                content: tool_content,
393                                tool_call_id: tool_result.tool_use_id.to_string(),
394                            });
395                        }
396                    }
397                }
398                if !matches!(message_content, mistral::MessageContent::Plain { ref content } if content.is_empty())
399                {
400                    messages.push(mistral::RequestMessage::User {
401                        content: message_content,
402                    });
403                }
404            }
405            Role::Assistant => {
406                for content in &message.content {
407                    match content {
408                        MessageContent::Text(text) => {
409                            messages.push(mistral::RequestMessage::Assistant {
410                                content: Some(mistral::MessageContent::Plain {
411                                    content: text.clone(),
412                                }),
413                                tool_calls: Vec::new(),
414                            });
415                        }
416                        MessageContent::Thinking { text, .. } => {
417                            if model.supports_thinking() {
418                                messages.push(mistral::RequestMessage::Assistant {
419                                    content: Some(mistral::MessageContent::Multipart {
420                                        content: vec![mistral::MessagePart::Thinking {
421                                            thinking: vec![mistral::ThinkingPart::Text {
422                                                text: text.clone(),
423                                            }],
424                                        }],
425                                    }),
426                                    tool_calls: Vec::new(),
427                                });
428                            }
429                        }
430                        MessageContent::RedactedThinking(_) => {}
431                        MessageContent::Image(_) => {}
432                        MessageContent::ToolUse(tool_use) => {
433                            let tool_call = mistral::ToolCall {
434                                id: tool_use.id.to_string(),
435                                content: mistral::ToolCallContent::Function {
436                                    function: mistral::FunctionContent {
437                                        name: tool_use.name.to_string(),
438                                        arguments: serde_json::to_string(&tool_use.input)
439                                            .unwrap_or_default(),
440                                    },
441                                },
442                            };
443
444                            if let Some(mistral::RequestMessage::Assistant { tool_calls, .. }) =
445                                messages.last_mut()
446                            {
447                                tool_calls.push(tool_call);
448                            } else {
449                                messages.push(mistral::RequestMessage::Assistant {
450                                    content: None,
451                                    tool_calls: vec![tool_call],
452                                });
453                            }
454                        }
455                        MessageContent::ToolResult(_) => {
456                            // Tool results are not supported in Assistant messages
457                        }
458                    }
459                }
460            }
461            Role::System => {
462                for content in &message.content {
463                    match content {
464                        MessageContent::Text(text) => {
465                            messages.push(mistral::RequestMessage::System {
466                                content: mistral::MessageContent::Plain {
467                                    content: text.clone(),
468                                },
469                            });
470                        }
471                        MessageContent::Thinking { text, .. } => {
472                            if model.supports_thinking() {
473                                messages.push(mistral::RequestMessage::System {
474                                    content: mistral::MessageContent::Multipart {
475                                        content: vec![mistral::MessagePart::Thinking {
476                                            thinking: vec![mistral::ThinkingPart::Text {
477                                                text: text.clone(),
478                                            }],
479                                        }],
480                                    },
481                                });
482                            }
483                        }
484                        MessageContent::RedactedThinking(_) => {}
485                        MessageContent::Image(_)
486                        | MessageContent::ToolUse(_)
487                        | MessageContent::ToolResult(_) => {
488                            // Images and tools are not supported in System messages
489                        }
490                    }
491                }
492            }
493        }
494    }
495
496    mistral::Request {
497        model: model.id().to_string(),
498        messages,
499        stream,
500        max_tokens: max_output_tokens,
501        temperature: request.temperature,
502        response_format: None,
503        tool_choice: match request.tool_choice {
504            Some(LanguageModelToolChoice::Auto) if !request.tools.is_empty() => {
505                Some(mistral::ToolChoice::Auto)
506            }
507            Some(LanguageModelToolChoice::Any) if !request.tools.is_empty() => {
508                Some(mistral::ToolChoice::Any)
509            }
510            Some(LanguageModelToolChoice::None) => Some(mistral::ToolChoice::None),
511            _ if !request.tools.is_empty() => Some(mistral::ToolChoice::Auto),
512            _ => None,
513        },
514        parallel_tool_calls: if !request.tools.is_empty() {
515            Some(false)
516        } else {
517            None
518        },
519        tools: request
520            .tools
521            .into_iter()
522            .map(|tool| mistral::ToolDefinition::Function {
523                function: mistral::FunctionDefinition {
524                    name: tool.name,
525                    description: Some(tool.description),
526                    parameters: Some(tool.input_schema),
527                },
528            })
529            .collect(),
530    }
531}
532
533pub struct MistralEventMapper {
534    tool_calls_by_index: HashMap<usize, RawToolCall>,
535}
536
537impl MistralEventMapper {
538    pub fn new() -> Self {
539        Self {
540            tool_calls_by_index: HashMap::default(),
541        }
542    }
543
544    pub fn map_stream(
545        mut self,
546        events: Pin<Box<dyn Send + Stream<Item = Result<StreamResponse>>>>,
547    ) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>
548    {
549        events.flat_map(move |event| {
550            futures::stream::iter(match event {
551                Ok(event) => self.map_event(event),
552                Err(error) => vec![Err(LanguageModelCompletionError::from(error))],
553            })
554        })
555    }
556
557    pub fn map_event(
558        &mut self,
559        event: mistral::StreamResponse,
560    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
561        let Some(choice) = event.choices.first() else {
562            return vec![Err(LanguageModelCompletionError::from(anyhow!(
563                "Response contained no choices"
564            )))];
565        };
566
567        let mut events = Vec::new();
568        if let Some(content) = choice.delta.content.as_ref() {
569            match content {
570                mistral::MessageContentDelta::Text(text) => {
571                    events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
572                }
573                mistral::MessageContentDelta::Parts(parts) => {
574                    for part in parts {
575                        match part {
576                            mistral::MessagePart::Text { text } => {
577                                events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
578                            }
579                            mistral::MessagePart::Thinking { thinking } => {
580                                for tp in thinking.iter().cloned() {
581                                    match tp {
582                                        mistral::ThinkingPart::Text { text } => {
583                                            events.push(Ok(
584                                                LanguageModelCompletionEvent::Thinking {
585                                                    text,
586                                                    signature: None,
587                                                },
588                                            ));
589                                        }
590                                    }
591                                }
592                            }
593                            mistral::MessagePart::ImageUrl { .. } => {
594                                // We currently don't emit a separate event for images in responses.
595                            }
596                        }
597                    }
598                }
599            }
600        }
601
602        if let Some(tool_calls) = choice.delta.tool_calls.as_ref() {
603            for tool_call in tool_calls {
604                let entry = self.tool_calls_by_index.entry(tool_call.index).or_default();
605
606                if let Some(tool_id) = tool_call.id.clone() {
607                    entry.id = tool_id;
608                }
609
610                if let Some(function) = tool_call.function.as_ref() {
611                    if let Some(name) = function.name.clone() {
612                        entry.name = name;
613                    }
614
615                    if let Some(arguments) = function.arguments.clone() {
616                        entry.arguments.push_str(&arguments);
617                    }
618                }
619            }
620        }
621
622        if let Some(usage) = event.usage {
623            events.push(Ok(LanguageModelCompletionEvent::UsageUpdate(TokenUsage {
624                input_tokens: usage.prompt_tokens,
625                output_tokens: usage.completion_tokens,
626                cache_creation_input_tokens: 0,
627                cache_read_input_tokens: 0,
628            })));
629        }
630
631        if let Some(finish_reason) = choice.finish_reason.as_deref() {
632            match finish_reason {
633                "stop" => {
634                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
635                }
636                "tool_calls" => {
637                    events.extend(self.process_tool_calls());
638                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::ToolUse)));
639                }
640                unexpected => {
641                    log::error!("Unexpected Mistral stop_reason: {unexpected:?}");
642                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
643                }
644            }
645        }
646
647        events
648    }
649
650    fn process_tool_calls(
651        &mut self,
652    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
653        let mut results = Vec::new();
654
655        for (_, tool_call) in self.tool_calls_by_index.drain() {
656            if tool_call.id.is_empty() || tool_call.name.is_empty() {
657                results.push(Err(LanguageModelCompletionError::from(anyhow!(
658                    "Received incomplete tool call: missing id or name"
659                ))));
660                continue;
661            }
662
663            match parse_tool_arguments(&tool_call.arguments) {
664                Ok(input) => results.push(Ok(LanguageModelCompletionEvent::ToolUse(
665                    LanguageModelToolUse {
666                        id: tool_call.id.into(),
667                        name: tool_call.name.into(),
668                        is_input_complete: true,
669                        input,
670                        raw_input: tool_call.arguments,
671                        thought_signature: None,
672                    },
673                ))),
674                Err(error) => {
675                    results.push(Ok(LanguageModelCompletionEvent::ToolUseJsonParseError {
676                        id: tool_call.id.into(),
677                        tool_name: tool_call.name.into(),
678                        raw_input: tool_call.arguments.into(),
679                        json_parse_error: error.to_string(),
680                    }))
681                }
682            }
683        }
684
685        results
686    }
687}
688
689#[derive(Default)]
690struct RawToolCall {
691    id: String,
692    name: String,
693    arguments: String,
694}
695
696struct ConfigurationView {
697    api_key_editor: Entity<InputField>,
698    state: Entity<State>,
699    load_credentials_task: Option<Task<()>>,
700}
701
702impl ConfigurationView {
703    fn new(state: Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
704        let api_key_editor =
705            cx.new(|cx| InputField::new(window, cx, "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
706
707        cx.observe(&state, |_, _, cx| {
708            cx.notify();
709        })
710        .detach();
711
712        let load_credentials_task = Some(cx.spawn_in(window, {
713            let state = state.clone();
714            async move |this, cx| {
715                if let Some(task) = Some(state.update(cx, |state, cx| state.authenticate(cx))) {
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).trim().to_string();
737        if api_key.is_empty() {
738            return;
739        }
740
741        // url changes can cause the editor to be displayed again
742        self.api_key_editor
743            .update(cx, |editor, cx| editor.set_text("", window, cx));
744
745        let state = self.state.clone();
746        cx.spawn_in(window, async move |_, cx| {
747            state
748                .update(cx, |state, cx| state.set_api_key(Some(api_key), cx))
749                .await
750        })
751        .detach_and_log_err(cx);
752    }
753
754    fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
755        self.api_key_editor
756            .update(cx, |editor, cx| editor.set_text("", window, cx));
757
758        let state = self.state.clone();
759        cx.spawn_in(window, async move |_, cx| {
760            state
761                .update(cx, |state, cx| state.set_api_key(None, cx))
762                .await
763        })
764        .detach_and_log_err(cx);
765    }
766
767    fn should_render_api_key_editor(&self, cx: &mut Context<Self>) -> bool {
768        !self.state.read(cx).is_authenticated()
769    }
770}
771
772impl Render for ConfigurationView {
773    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
774        let env_var_set = self.state.read(cx).api_key_state.is_from_env_var();
775        let configured_card_label = if env_var_set {
776            format!("API key set in {API_KEY_ENV_VAR_NAME} environment variable")
777        } else {
778            let api_url = MistralLanguageModelProvider::api_url(cx);
779            if api_url == MISTRAL_API_URL {
780                "API key configured".to_string()
781            } else {
782                format!("API key configured for {}", api_url)
783            }
784        };
785
786        if self.load_credentials_task.is_some() {
787            div().child(Label::new("Loading credentials...")).into_any()
788        } else if self.should_render_api_key_editor(cx) {
789            v_flex()
790                .size_full()
791                .on_action(cx.listener(Self::save_api_key))
792                .child(Label::new("To use Zed's agent with Mistral, you need to add an API key. Follow these steps:"))
793                .child(
794                    List::new()
795                        .child(
796                            ListBulletItem::new("")
797                                .child(Label::new("Create one by visiting"))
798                                .child(ButtonLink::new("Mistral's console", "https://console.mistral.ai/api-keys"))
799                        )
800                        .child(
801                            ListBulletItem::new("Ensure your Mistral account has credits")
802                        )
803                        .child(
804                            ListBulletItem::new("Paste your API key below and hit enter to start using the assistant")
805                        ),
806                )
807                .child(self.api_key_editor.clone())
808                .child(
809                    Label::new(
810                        format!("You can also set the {API_KEY_ENV_VAR_NAME} environment variable and restart Zed."),
811                    )
812                    .size(LabelSize::Small).color(Color::Muted),
813                )
814                .into_any()
815        } else {
816            v_flex()
817                .size_full()
818                .gap_1()
819                .child(
820                    ConfiguredApiCard::new(configured_card_label)
821                        .disabled(env_var_set)
822                        .on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx)))
823                        .when(env_var_set, |this| {
824                            this.tooltip_label(format!(
825                                "To reset your API key, \
826                                unset the {API_KEY_ENV_VAR_NAME} environment variable."
827                            ))
828                        }),
829                )
830                .into_any()
831        }
832    }
833}
834
835#[cfg(test)]
836mod tests {
837    use super::*;
838    use language_model::{LanguageModelImage, LanguageModelRequestMessage, MessageContent};
839
840    #[test]
841    fn test_into_mistral_basic_conversion() {
842        let request = LanguageModelRequest {
843            messages: vec![
844                LanguageModelRequestMessage {
845                    role: Role::System,
846                    content: vec![MessageContent::Text("System prompt".into())],
847                    cache: false,
848                    reasoning_details: None,
849                },
850                LanguageModelRequestMessage {
851                    role: Role::User,
852                    content: vec![MessageContent::Text("Hello".into())],
853                    cache: false,
854                    reasoning_details: None,
855                },
856            ],
857            temperature: Some(0.5),
858            tools: vec![],
859            tool_choice: None,
860            thread_id: None,
861            prompt_id: None,
862            intent: None,
863            stop: vec![],
864            thinking_allowed: true,
865            thinking_effort: None,
866        };
867
868        let mistral_request = into_mistral(request, mistral::Model::MistralSmallLatest, None);
869
870        assert_eq!(mistral_request.model, "mistral-small-latest");
871        assert_eq!(mistral_request.temperature, Some(0.5));
872        assert_eq!(mistral_request.messages.len(), 2);
873        assert!(mistral_request.stream);
874    }
875
876    #[test]
877    fn test_into_mistral_with_image() {
878        let request = LanguageModelRequest {
879            messages: vec![LanguageModelRequestMessage {
880                role: Role::User,
881                content: vec![
882                    MessageContent::Text("What's in this image?".into()),
883                    MessageContent::Image(LanguageModelImage {
884                        source: "base64data".into(),
885                        size: None,
886                    }),
887                ],
888                cache: false,
889                reasoning_details: None,
890            }],
891            tools: vec![],
892            tool_choice: None,
893            temperature: None,
894            thread_id: None,
895            prompt_id: None,
896            intent: None,
897            stop: vec![],
898            thinking_allowed: true,
899            thinking_effort: None,
900        };
901
902        let mistral_request = into_mistral(request, mistral::Model::Pixtral12BLatest, None);
903
904        assert_eq!(mistral_request.messages.len(), 1);
905        assert!(matches!(
906            &mistral_request.messages[0],
907            mistral::RequestMessage::User {
908                content: mistral::MessageContent::Multipart { .. }
909            }
910        ));
911
912        if let mistral::RequestMessage::User {
913            content: mistral::MessageContent::Multipart { content },
914        } = &mistral_request.messages[0]
915        {
916            assert_eq!(content.len(), 2);
917            assert!(matches!(
918                &content[0],
919                mistral::MessagePart::Text { text } if text == "What's in this image?"
920            ));
921            assert!(matches!(
922                &content[1],
923                mistral::MessagePart::ImageUrl { image_url } if image_url.starts_with("data:image/png;base64,")
924            ));
925        }
926    }
927}