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) if text.is_empty() => {
409                            // Mistral API returns a 400 if there's neither content nor tool_calls
410                        }
411                        MessageContent::Text(text) => {
412                            messages.push(mistral::RequestMessage::Assistant {
413                                content: Some(mistral::MessageContent::Plain {
414                                    content: text.clone(),
415                                }),
416                                tool_calls: Vec::new(),
417                            });
418                        }
419                        MessageContent::Thinking { text, .. } => {
420                            if model.supports_thinking() {
421                                messages.push(mistral::RequestMessage::Assistant {
422                                    content: Some(mistral::MessageContent::Multipart {
423                                        content: vec![mistral::MessagePart::Thinking {
424                                            thinking: vec![mistral::ThinkingPart::Text {
425                                                text: text.clone(),
426                                            }],
427                                        }],
428                                    }),
429                                    tool_calls: Vec::new(),
430                                });
431                            }
432                        }
433                        MessageContent::RedactedThinking(_) => {}
434                        MessageContent::Image(_) => {}
435                        MessageContent::ToolUse(tool_use) => {
436                            let tool_call = mistral::ToolCall {
437                                id: tool_use.id.to_string(),
438                                content: mistral::ToolCallContent::Function {
439                                    function: mistral::FunctionContent {
440                                        name: tool_use.name.to_string(),
441                                        arguments: serde_json::to_string(&tool_use.input)
442                                            .unwrap_or_default(),
443                                    },
444                                },
445                            };
446
447                            if let Some(mistral::RequestMessage::Assistant { tool_calls, .. }) =
448                                messages.last_mut()
449                            {
450                                tool_calls.push(tool_call);
451                            } else {
452                                messages.push(mistral::RequestMessage::Assistant {
453                                    content: None,
454                                    tool_calls: vec![tool_call],
455                                });
456                            }
457                        }
458                        MessageContent::ToolResult(_) => {
459                            // Tool results are not supported in Assistant messages
460                        }
461                    }
462                }
463            }
464            Role::System => {
465                for content in &message.content {
466                    match content {
467                        MessageContent::Text(text) => {
468                            messages.push(mistral::RequestMessage::System {
469                                content: mistral::MessageContent::Plain {
470                                    content: text.clone(),
471                                },
472                            });
473                        }
474                        MessageContent::Thinking { text, .. } => {
475                            if model.supports_thinking() {
476                                messages.push(mistral::RequestMessage::System {
477                                    content: mistral::MessageContent::Multipart {
478                                        content: vec![mistral::MessagePart::Thinking {
479                                            thinking: vec![mistral::ThinkingPart::Text {
480                                                text: text.clone(),
481                                            }],
482                                        }],
483                                    },
484                                });
485                            }
486                        }
487                        MessageContent::RedactedThinking(_) => {}
488                        MessageContent::Image(_)
489                        | MessageContent::ToolUse(_)
490                        | MessageContent::ToolResult(_) => {
491                            // Images and tools are not supported in System messages
492                        }
493                    }
494                }
495            }
496        }
497    }
498
499    mistral::Request {
500        model: model.id().to_string(),
501        messages,
502        stream,
503        max_tokens: max_output_tokens,
504        temperature: request.temperature,
505        response_format: None,
506        tool_choice: match request.tool_choice {
507            Some(LanguageModelToolChoice::Auto) if !request.tools.is_empty() => {
508                Some(mistral::ToolChoice::Auto)
509            }
510            Some(LanguageModelToolChoice::Any) if !request.tools.is_empty() => {
511                Some(mistral::ToolChoice::Any)
512            }
513            Some(LanguageModelToolChoice::None) => Some(mistral::ToolChoice::None),
514            _ if !request.tools.is_empty() => Some(mistral::ToolChoice::Auto),
515            _ => None,
516        },
517        parallel_tool_calls: if !request.tools.is_empty() {
518            Some(false)
519        } else {
520            None
521        },
522        tools: request
523            .tools
524            .into_iter()
525            .map(|tool| mistral::ToolDefinition::Function {
526                function: mistral::FunctionDefinition {
527                    name: tool.name,
528                    description: Some(tool.description),
529                    parameters: Some(tool.input_schema),
530                },
531            })
532            .collect(),
533    }
534}
535
536pub struct MistralEventMapper {
537    tool_calls_by_index: HashMap<usize, RawToolCall>,
538}
539
540impl MistralEventMapper {
541    pub fn new() -> Self {
542        Self {
543            tool_calls_by_index: HashMap::default(),
544        }
545    }
546
547    pub fn map_stream(
548        mut self,
549        events: Pin<Box<dyn Send + Stream<Item = Result<StreamResponse>>>>,
550    ) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>
551    {
552        events.flat_map(move |event| {
553            futures::stream::iter(match event {
554                Ok(event) => self.map_event(event),
555                Err(error) => vec![Err(LanguageModelCompletionError::from(error))],
556            })
557        })
558    }
559
560    pub fn map_event(
561        &mut self,
562        event: mistral::StreamResponse,
563    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
564        let Some(choice) = event.choices.first() else {
565            return vec![Err(LanguageModelCompletionError::from(anyhow!(
566                "Response contained no choices"
567            )))];
568        };
569
570        let mut events = Vec::new();
571        if let Some(content) = choice.delta.content.as_ref() {
572            match content {
573                mistral::MessageContentDelta::Text(text) => {
574                    events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
575                }
576                mistral::MessageContentDelta::Parts(parts) => {
577                    for part in parts {
578                        match part {
579                            mistral::MessagePart::Text { text } => {
580                                events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
581                            }
582                            mistral::MessagePart::Thinking { thinking } => {
583                                for tp in thinking.iter().cloned() {
584                                    match tp {
585                                        mistral::ThinkingPart::Text { text } => {
586                                            events.push(Ok(
587                                                LanguageModelCompletionEvent::Thinking {
588                                                    text,
589                                                    signature: None,
590                                                },
591                                            ));
592                                        }
593                                    }
594                                }
595                            }
596                            mistral::MessagePart::ImageUrl { .. } => {
597                                // We currently don't emit a separate event for images in responses.
598                            }
599                        }
600                    }
601                }
602            }
603        }
604
605        if let Some(tool_calls) = choice.delta.tool_calls.as_ref() {
606            for tool_call in tool_calls {
607                let entry = self.tool_calls_by_index.entry(tool_call.index).or_default();
608
609                if let Some(tool_id) = tool_call.id.clone() {
610                    entry.id = tool_id;
611                }
612
613                if let Some(function) = tool_call.function.as_ref() {
614                    if let Some(name) = function.name.clone() {
615                        entry.name = name;
616                    }
617
618                    if let Some(arguments) = function.arguments.clone() {
619                        entry.arguments.push_str(&arguments);
620                    }
621                }
622            }
623        }
624
625        if let Some(usage) = event.usage {
626            events.push(Ok(LanguageModelCompletionEvent::UsageUpdate(TokenUsage {
627                input_tokens: usage.prompt_tokens,
628                output_tokens: usage.completion_tokens,
629                cache_creation_input_tokens: 0,
630                cache_read_input_tokens: 0,
631            })));
632        }
633
634        if let Some(finish_reason) = choice.finish_reason.as_deref() {
635            match finish_reason {
636                "stop" => {
637                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
638                }
639                "tool_calls" => {
640                    events.extend(self.process_tool_calls());
641                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::ToolUse)));
642                }
643                unexpected => {
644                    log::error!("Unexpected Mistral stop_reason: {unexpected:?}");
645                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
646                }
647            }
648        }
649
650        events
651    }
652
653    fn process_tool_calls(
654        &mut self,
655    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
656        let mut results = Vec::new();
657
658        for (_, tool_call) in self.tool_calls_by_index.drain() {
659            if tool_call.id.is_empty() || tool_call.name.is_empty() {
660                results.push(Err(LanguageModelCompletionError::from(anyhow!(
661                    "Received incomplete tool call: missing id or name"
662                ))));
663                continue;
664            }
665
666            match parse_tool_arguments(&tool_call.arguments) {
667                Ok(input) => results.push(Ok(LanguageModelCompletionEvent::ToolUse(
668                    LanguageModelToolUse {
669                        id: tool_call.id.into(),
670                        name: tool_call.name.into(),
671                        is_input_complete: true,
672                        input,
673                        raw_input: tool_call.arguments,
674                        thought_signature: None,
675                    },
676                ))),
677                Err(error) => {
678                    results.push(Ok(LanguageModelCompletionEvent::ToolUseJsonParseError {
679                        id: tool_call.id.into(),
680                        tool_name: tool_call.name.into(),
681                        raw_input: tool_call.arguments.into(),
682                        json_parse_error: error.to_string(),
683                    }))
684                }
685            }
686        }
687
688        results
689    }
690}
691
692#[derive(Default)]
693struct RawToolCall {
694    id: String,
695    name: String,
696    arguments: String,
697}
698
699struct ConfigurationView {
700    api_key_editor: Entity<InputField>,
701    state: Entity<State>,
702    load_credentials_task: Option<Task<()>>,
703}
704
705impl ConfigurationView {
706    fn new(state: Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
707        let api_key_editor =
708            cx.new(|cx| InputField::new(window, cx, "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
709
710        cx.observe(&state, |_, _, cx| {
711            cx.notify();
712        })
713        .detach();
714
715        let load_credentials_task = Some(cx.spawn_in(window, {
716            let state = state.clone();
717            async move |this, cx| {
718                if let Some(task) = Some(state.update(cx, |state, cx| state.authenticate(cx))) {
719                    // We don't log an error, because "not signed in" is also an error.
720                    let _ = task.await;
721                }
722
723                this.update(cx, |this, cx| {
724                    this.load_credentials_task = None;
725                    cx.notify();
726                })
727                .log_err();
728            }
729        }));
730
731        Self {
732            api_key_editor,
733            state,
734            load_credentials_task,
735        }
736    }
737
738    fn save_api_key(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
739        let api_key = self.api_key_editor.read(cx).text(cx).trim().to_string();
740        if api_key.is_empty() {
741            return;
742        }
743
744        // url changes can cause the editor to be displayed again
745        self.api_key_editor
746            .update(cx, |editor, cx| editor.set_text("", window, cx));
747
748        let state = self.state.clone();
749        cx.spawn_in(window, async move |_, cx| {
750            state
751                .update(cx, |state, cx| state.set_api_key(Some(api_key), cx))
752                .await
753        })
754        .detach_and_log_err(cx);
755    }
756
757    fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
758        self.api_key_editor
759            .update(cx, |editor, cx| editor.set_text("", window, cx));
760
761        let state = self.state.clone();
762        cx.spawn_in(window, async move |_, cx| {
763            state
764                .update(cx, |state, cx| state.set_api_key(None, cx))
765                .await
766        })
767        .detach_and_log_err(cx);
768    }
769
770    fn should_render_api_key_editor(&self, cx: &mut Context<Self>) -> bool {
771        !self.state.read(cx).is_authenticated()
772    }
773}
774
775impl Render for ConfigurationView {
776    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
777        let env_var_set = self.state.read(cx).api_key_state.is_from_env_var();
778        let configured_card_label = if env_var_set {
779            format!("API key set in {API_KEY_ENV_VAR_NAME} environment variable")
780        } else {
781            let api_url = MistralLanguageModelProvider::api_url(cx);
782            if api_url == MISTRAL_API_URL {
783                "API key configured".to_string()
784            } else {
785                format!("API key configured for {}", api_url)
786            }
787        };
788
789        if self.load_credentials_task.is_some() {
790            div().child(Label::new("Loading credentials...")).into_any()
791        } else if self.should_render_api_key_editor(cx) {
792            v_flex()
793                .size_full()
794                .on_action(cx.listener(Self::save_api_key))
795                .child(Label::new("To use Zed's agent with Mistral, you need to add an API key. Follow these steps:"))
796                .child(
797                    List::new()
798                        .child(
799                            ListBulletItem::new("")
800                                .child(Label::new("Create one by visiting"))
801                                .child(ButtonLink::new("Mistral's console", "https://console.mistral.ai/api-keys"))
802                        )
803                        .child(
804                            ListBulletItem::new("Ensure your Mistral account has credits")
805                        )
806                        .child(
807                            ListBulletItem::new("Paste your API key below and hit enter to start using the assistant")
808                        ),
809                )
810                .child(self.api_key_editor.clone())
811                .child(
812                    Label::new(
813                        format!("You can also set the {API_KEY_ENV_VAR_NAME} environment variable and restart Zed."),
814                    )
815                    .size(LabelSize::Small).color(Color::Muted),
816                )
817                .into_any()
818        } else {
819            v_flex()
820                .size_full()
821                .gap_1()
822                .child(
823                    ConfiguredApiCard::new(configured_card_label)
824                        .disabled(env_var_set)
825                        .on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx)))
826                        .when(env_var_set, |this| {
827                            this.tooltip_label(format!(
828                                "To reset your API key, \
829                                unset the {API_KEY_ENV_VAR_NAME} environment variable."
830                            ))
831                        }),
832                )
833                .into_any()
834        }
835    }
836}
837
838#[cfg(test)]
839mod tests {
840    use super::*;
841    use language_model::{LanguageModelImage, LanguageModelRequestMessage, MessageContent};
842
843    #[test]
844    fn test_into_mistral_basic_conversion() {
845        let request = LanguageModelRequest {
846            messages: vec![
847                LanguageModelRequestMessage {
848                    role: Role::System,
849                    content: vec![MessageContent::Text("System prompt".into())],
850                    cache: false,
851                    reasoning_details: None,
852                },
853                LanguageModelRequestMessage {
854                    role: Role::User,
855                    content: vec![MessageContent::Text("Hello".into())],
856                    cache: false,
857                    reasoning_details: None,
858                },
859                // should skip empty assistant messages
860                LanguageModelRequestMessage {
861                    role: Role::Assistant,
862                    content: vec![MessageContent::Text("".into())],
863                    cache: false,
864                    reasoning_details: None,
865                },
866            ],
867            temperature: Some(0.5),
868            tools: vec![],
869            tool_choice: None,
870            thread_id: None,
871            prompt_id: None,
872            intent: None,
873            stop: vec![],
874            thinking_allowed: true,
875            thinking_effort: None,
876        };
877
878        let mistral_request = into_mistral(request, mistral::Model::MistralSmallLatest, None);
879
880        assert_eq!(mistral_request.model, "mistral-small-latest");
881        assert_eq!(mistral_request.temperature, Some(0.5));
882        assert_eq!(mistral_request.messages.len(), 2);
883        assert!(mistral_request.stream);
884    }
885
886    #[test]
887    fn test_into_mistral_with_image() {
888        let request = LanguageModelRequest {
889            messages: vec![LanguageModelRequestMessage {
890                role: Role::User,
891                content: vec![
892                    MessageContent::Text("What's in this image?".into()),
893                    MessageContent::Image(LanguageModelImage {
894                        source: "base64data".into(),
895                        size: None,
896                    }),
897                ],
898                cache: false,
899                reasoning_details: None,
900            }],
901            tools: vec![],
902            tool_choice: None,
903            temperature: None,
904            thread_id: None,
905            prompt_id: None,
906            intent: None,
907            stop: vec![],
908            thinking_allowed: true,
909            thinking_effort: None,
910        };
911
912        let mistral_request = into_mistral(request, mistral::Model::Pixtral12BLatest, None);
913
914        assert_eq!(mistral_request.messages.len(), 1);
915        assert!(matches!(
916            &mistral_request.messages[0],
917            mistral::RequestMessage::User {
918                content: mistral::MessageContent::Multipart { .. }
919            }
920        ));
921
922        if let mistral::RequestMessage::User {
923            content: mistral::MessageContent::Multipart { content },
924        } = &mistral_request.messages[0]
925        {
926            assert_eq!(content.len(), 2);
927            assert!(matches!(
928                &content[0],
929                mistral::MessagePart::Text { text } if text == "What's in this image?"
930            ));
931            assert!(matches!(
932                &content[1],
933                mistral::MessagePart::ImageUrl { image_url } if image_url.starts_with("data:image/png;base64,")
934            ));
935        }
936    }
937}