mistral.rs

  1use anyhow::{Result, anyhow};
  2use collections::BTreeMap;
  3use editor::{Editor, EditorElement, EditorStyle};
  4use futures::{FutureExt, Stream, StreamExt, future, future::BoxFuture, stream::BoxStream};
  5use gpui::{
  6    AnyView, App, AsyncApp, Context, Entity, FontStyle, SharedString, Task, TextStyle, WhiteSpace,
  7    Window,
  8};
  9use http_client::HttpClient;
 10use language_model::{
 11    AuthenticateError, LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent,
 12    LanguageModelId, LanguageModelName, LanguageModelProvider, LanguageModelProviderId,
 13    LanguageModelProviderName, LanguageModelProviderState, LanguageModelRequest,
 14    LanguageModelToolChoice, LanguageModelToolResultContent, LanguageModelToolUse, MessageContent,
 15    RateLimiter, Role, StopReason, TokenUsage,
 16};
 17use mistral::{MISTRAL_API_URL, StreamResponse};
 18pub use settings::MistralAvailableModel as AvailableModel;
 19use settings::{Settings, SettingsStore};
 20use std::collections::HashMap;
 21use std::pin::Pin;
 22use std::str::FromStr;
 23use std::sync::{Arc, LazyLock};
 24use strum::IntoEnumIterator;
 25use theme::ThemeSettings;
 26use ui::{Icon, IconName, List, Tooltip, prelude::*};
 27use util::{ResultExt, truncate_and_trailoff};
 28use zed_env_vars::{EnvVar, env_var};
 29
 30use crate::{api_key::ApiKeyState, ui::InstructionListItem};
 31
 32const PROVIDER_ID: LanguageModelProviderId = LanguageModelProviderId::new("mistral");
 33const PROVIDER_NAME: LanguageModelProviderName = LanguageModelProviderName::new("Mistral");
 34
 35const API_KEY_ENV_VAR_NAME: &str = "MISTRAL_API_KEY";
 36static API_KEY_ENV_VAR: LazyLock<EnvVar> = env_var!(API_KEY_ENV_VAR_NAME);
 37
 38#[derive(Default, Clone, Debug, PartialEq)]
 39pub struct MistralSettings {
 40    pub api_url: String,
 41    pub available_models: Vec<AvailableModel>,
 42}
 43
 44pub struct MistralLanguageModelProvider {
 45    http_client: Arc<dyn HttpClient>,
 46    state: gpui::Entity<State>,
 47}
 48
 49pub struct State {
 50    api_key_state: ApiKeyState,
 51}
 52
 53impl State {
 54    fn is_authenticated(&self) -> bool {
 55        self.api_key_state.has_key()
 56    }
 57
 58    fn set_api_key(&mut self, api_key: Option<String>, cx: &mut Context<Self>) -> Task<Result<()>> {
 59        let api_url = MistralLanguageModelProvider::api_url(cx);
 60        self.api_key_state
 61            .store(api_url, api_key, |this| &mut this.api_key_state, cx)
 62    }
 63
 64    fn authenticate(&mut self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
 65        let api_url = MistralLanguageModelProvider::api_url(cx);
 66        self.api_key_state.load_if_needed(
 67            api_url,
 68            &API_KEY_ENV_VAR,
 69            |this| &mut this.api_key_state,
 70            cx,
 71        )
 72    }
 73}
 74
 75impl MistralLanguageModelProvider {
 76    pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
 77        let state = cx.new(|cx| {
 78            cx.observe_global::<SettingsStore>(|this: &mut State, cx| {
 79                let api_url = Self::api_url(cx);
 80                this.api_key_state.handle_url_change(
 81                    api_url,
 82                    &API_KEY_ENV_VAR,
 83                    |this| &mut this.api_key_state,
 84                    cx,
 85                );
 86                cx.notify();
 87            })
 88            .detach();
 89            State {
 90                api_key_state: ApiKeyState::new(Self::api_url(cx)),
 91            }
 92        });
 93
 94        Self { http_client, state }
 95    }
 96
 97    fn create_language_model(&self, model: mistral::Model) -> Arc<dyn LanguageModel> {
 98        Arc::new(MistralLanguageModel {
 99            id: LanguageModelId::from(model.id().to_string()),
100            model,
101            state: self.state.clone(),
102            http_client: self.http_client.clone(),
103            request_limiter: RateLimiter::new(4),
104        })
105    }
106
107    fn settings(cx: &App) -> &MistralSettings {
108        &crate::AllLanguageModelSettings::get_global(cx).mistral
109    }
110
111    fn api_url(cx: &App) -> SharedString {
112        let api_url = &Self::settings(cx).api_url;
113        if api_url.is_empty() {
114            mistral::MISTRAL_API_URL.into()
115        } else {
116            SharedString::new(api_url.as_str())
117        }
118    }
119}
120
121impl LanguageModelProviderState for MistralLanguageModelProvider {
122    type ObservableEntity = State;
123
124    fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {
125        Some(self.state.clone())
126    }
127}
128
129impl LanguageModelProvider for MistralLanguageModelProvider {
130    fn id(&self) -> LanguageModelProviderId {
131        PROVIDER_ID
132    }
133
134    fn name(&self) -> LanguageModelProviderName {
135        PROVIDER_NAME
136    }
137
138    fn icon(&self) -> IconName {
139        IconName::AiMistral
140    }
141
142    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
143        Some(self.create_language_model(mistral::Model::default()))
144    }
145
146    fn default_fast_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
147        Some(self.create_language_model(mistral::Model::default_fast()))
148    }
149
150    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
151        let mut models = BTreeMap::default();
152
153        // Add base models from mistral::Model::iter()
154        for model in mistral::Model::iter() {
155            if !matches!(model, mistral::Model::Custom { .. }) {
156                models.insert(model.id().to_string(), model);
157            }
158        }
159
160        // Override with available models from settings
161        for model in &Self::settings(cx).available_models {
162            models.insert(
163                model.name.clone(),
164                mistral::Model::Custom {
165                    name: model.name.clone(),
166                    display_name: model.display_name.clone(),
167                    max_tokens: model.max_tokens,
168                    max_output_tokens: model.max_output_tokens,
169                    max_completion_tokens: model.max_completion_tokens,
170                    supports_tools: model.supports_tools,
171                    supports_images: model.supports_images,
172                    supports_thinking: model.supports_thinking,
173                },
174            );
175        }
176
177        models
178            .into_values()
179            .map(|model| {
180                Arc::new(MistralLanguageModel {
181                    id: LanguageModelId::from(model.id().to_string()),
182                    model,
183                    state: self.state.clone(),
184                    http_client: self.http_client.clone(),
185                    request_limiter: RateLimiter::new(4),
186                }) as Arc<dyn LanguageModel>
187            })
188            .collect()
189    }
190
191    fn is_authenticated(&self, cx: &App) -> bool {
192        self.state.read(cx).is_authenticated()
193    }
194
195    fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
196        self.state.update(cx, |state, cx| state.authenticate(cx))
197    }
198
199    fn configuration_view(
200        &self,
201        _target_agent: language_model::ConfigurationViewTargetAgent,
202        window: &mut Window,
203        cx: &mut App,
204    ) -> AnyView {
205        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
206            .into()
207    }
208
209    fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
210        self.state
211            .update(cx, |state, cx| state.set_api_key(None, cx))
212    }
213}
214
215pub struct MistralLanguageModel {
216    id: LanguageModelId,
217    model: mistral::Model,
218    state: gpui::Entity<State>,
219    http_client: Arc<dyn HttpClient>,
220    request_limiter: RateLimiter,
221}
222
223impl MistralLanguageModel {
224    fn stream_completion(
225        &self,
226        request: mistral::Request,
227        cx: &AsyncApp,
228    ) -> BoxFuture<
229        'static,
230        Result<futures::stream::BoxStream<'static, Result<mistral::StreamResponse>>>,
231    > {
232        let http_client = self.http_client.clone();
233
234        let Ok((api_key, api_url)) = self.state.read_with(cx, |state, cx| {
235            let api_url = MistralLanguageModelProvider::api_url(cx);
236            (state.api_key_state.key(&api_url), api_url)
237        }) else {
238            return future::ready(Err(anyhow!("App state dropped"))).boxed();
239        };
240
241        let future = self.request_limiter.stream(async move {
242            let Some(api_key) = api_key else {
243                return Err(LanguageModelCompletionError::NoApiKey {
244                    provider: PROVIDER_NAME,
245                });
246            };
247            let request =
248                mistral::stream_completion(http_client.as_ref(), &api_url, &api_key, request);
249            let response = request.await?;
250            Ok(response)
251        });
252
253        async move { Ok(future.await?.boxed()) }.boxed()
254    }
255}
256
257impl LanguageModel for MistralLanguageModel {
258    fn id(&self) -> LanguageModelId {
259        self.id.clone()
260    }
261
262    fn name(&self) -> LanguageModelName {
263        LanguageModelName::from(self.model.display_name().to_string())
264    }
265
266    fn provider_id(&self) -> LanguageModelProviderId {
267        PROVIDER_ID
268    }
269
270    fn provider_name(&self) -> LanguageModelProviderName {
271        PROVIDER_NAME
272    }
273
274    fn supports_tools(&self) -> bool {
275        self.model.supports_tools()
276    }
277
278    fn supports_tool_choice(&self, _choice: LanguageModelToolChoice) -> bool {
279        self.model.supports_tools()
280    }
281
282    fn supports_images(&self) -> bool {
283        self.model.supports_images()
284    }
285
286    fn telemetry_id(&self) -> String {
287        format!("mistral/{}", self.model.id())
288    }
289
290    fn max_token_count(&self) -> u64 {
291        self.model.max_token_count()
292    }
293
294    fn max_output_tokens(&self) -> Option<u64> {
295        self.model.max_output_tokens()
296    }
297
298    fn count_tokens(
299        &self,
300        request: LanguageModelRequest,
301        cx: &App,
302    ) -> BoxFuture<'static, Result<u64>> {
303        cx.background_spawn(async move {
304            let messages = request
305                .messages
306                .into_iter()
307                .map(|message| tiktoken_rs::ChatCompletionRequestMessage {
308                    role: match message.role {
309                        Role::User => "user".into(),
310                        Role::Assistant => "assistant".into(),
311                        Role::System => "system".into(),
312                    },
313                    content: Some(message.string_contents()),
314                    name: None,
315                    function_call: None,
316                })
317                .collect::<Vec<_>>();
318
319            tiktoken_rs::num_tokens_from_messages("gpt-4", &messages).map(|tokens| tokens as u64)
320        })
321        .boxed()
322    }
323
324    fn stream_completion(
325        &self,
326        request: LanguageModelRequest,
327        cx: &AsyncApp,
328    ) -> BoxFuture<
329        'static,
330        Result<
331            BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
332            LanguageModelCompletionError,
333        >,
334    > {
335        let request = into_mistral(request, self.model.clone(), self.max_output_tokens());
336        let stream = self.stream_completion(request, cx);
337
338        async move {
339            let stream = stream.await?;
340            let mapper = MistralEventMapper::new();
341            Ok(mapper.map_stream(stream).boxed())
342        }
343        .boxed()
344    }
345}
346
347pub fn into_mistral(
348    request: LanguageModelRequest,
349    model: mistral::Model,
350    max_output_tokens: Option<u64>,
351) -> mistral::Request {
352    let stream = true;
353
354    let mut messages = Vec::new();
355    for message in &request.messages {
356        match message.role {
357            Role::User => {
358                let mut message_content = mistral::MessageContent::empty();
359                for content in &message.content {
360                    match content {
361                        MessageContent::Text(text) => {
362                            message_content
363                                .push_part(mistral::MessagePart::Text { text: text.clone() });
364                        }
365                        MessageContent::Image(image_content) => {
366                            if model.supports_images() {
367                                message_content.push_part(mistral::MessagePart::ImageUrl {
368                                    image_url: image_content.to_base64_url(),
369                                });
370                            }
371                        }
372                        MessageContent::Thinking { text, .. } => {
373                            if model.supports_thinking() {
374                                message_content.push_part(mistral::MessagePart::Thinking {
375                                    thinking: vec![mistral::ThinkingPart::Text {
376                                        text: text.clone(),
377                                    }],
378                                });
379                            }
380                        }
381                        MessageContent::RedactedThinking(_) => {}
382                        MessageContent::ToolUse(_) => {
383                            // Tool use is not supported in User messages for Mistral
384                        }
385                        MessageContent::ToolResult(tool_result) => {
386                            let tool_content = match &tool_result.content {
387                                LanguageModelToolResultContent::Text(text) => text.to_string(),
388                                LanguageModelToolResultContent::Image(_) => {
389                                    "[Tool responded with an image, but Zed doesn't support these in Mistral models yet]".to_string()
390                                }
391                            };
392                            messages.push(mistral::RequestMessage::Tool {
393                                content: tool_content,
394                                tool_call_id: tool_result.tool_use_id.to_string(),
395                            });
396                        }
397                    }
398                }
399                if !matches!(message_content, mistral::MessageContent::Plain { ref content } if content.is_empty())
400                {
401                    messages.push(mistral::RequestMessage::User {
402                        content: message_content,
403                    });
404                }
405            }
406            Role::Assistant => {
407                for content in &message.content {
408                    match content {
409                        MessageContent::Text(text) => {
410                            messages.push(mistral::RequestMessage::Assistant {
411                                content: Some(mistral::MessageContent::Plain {
412                                    content: text.clone(),
413                                }),
414                                tool_calls: Vec::new(),
415                            });
416                        }
417                        MessageContent::Thinking { text, .. } => {
418                            if model.supports_thinking() {
419                                messages.push(mistral::RequestMessage::Assistant {
420                                    content: Some(mistral::MessageContent::Multipart {
421                                        content: vec![mistral::MessagePart::Thinking {
422                                            thinking: vec![mistral::ThinkingPart::Text {
423                                                text: text.clone(),
424                                            }],
425                                        }],
426                                    }),
427                                    tool_calls: Vec::new(),
428                                });
429                            }
430                        }
431                        MessageContent::RedactedThinking(_) => {}
432                        MessageContent::Image(_) => {}
433                        MessageContent::ToolUse(tool_use) => {
434                            let tool_call = mistral::ToolCall {
435                                id: tool_use.id.to_string(),
436                                content: mistral::ToolCallContent::Function {
437                                    function: mistral::FunctionContent {
438                                        name: tool_use.name.to_string(),
439                                        arguments: serde_json::to_string(&tool_use.input)
440                                            .unwrap_or_default(),
441                                    },
442                                },
443                            };
444
445                            if let Some(mistral::RequestMessage::Assistant { tool_calls, .. }) =
446                                messages.last_mut()
447                            {
448                                tool_calls.push(tool_call);
449                            } else {
450                                messages.push(mistral::RequestMessage::Assistant {
451                                    content: None,
452                                    tool_calls: vec![tool_call],
453                                });
454                            }
455                        }
456                        MessageContent::ToolResult(_) => {
457                            // Tool results are not supported in Assistant messages
458                        }
459                    }
460                }
461            }
462            Role::System => {
463                for content in &message.content {
464                    match content {
465                        MessageContent::Text(text) => {
466                            messages.push(mistral::RequestMessage::System {
467                                content: mistral::MessageContent::Plain {
468                                    content: text.clone(),
469                                },
470                            });
471                        }
472                        MessageContent::Thinking { text, .. } => {
473                            if model.supports_thinking() {
474                                messages.push(mistral::RequestMessage::System {
475                                    content: mistral::MessageContent::Multipart {
476                                        content: vec![mistral::MessagePart::Thinking {
477                                            thinking: vec![mistral::ThinkingPart::Text {
478                                                text: text.clone(),
479                                            }],
480                                        }],
481                                    },
482                                });
483                            }
484                        }
485                        MessageContent::RedactedThinking(_) => {}
486                        MessageContent::Image(_)
487                        | MessageContent::ToolUse(_)
488                        | MessageContent::ToolResult(_) => {
489                            // Images and tools are not supported in System messages
490                        }
491                    }
492                }
493            }
494        }
495    }
496
497    mistral::Request {
498        model: model.id().to_string(),
499        messages,
500        stream,
501        max_tokens: max_output_tokens,
502        temperature: request.temperature,
503        response_format: None,
504        tool_choice: match request.tool_choice {
505            Some(LanguageModelToolChoice::Auto) if !request.tools.is_empty() => {
506                Some(mistral::ToolChoice::Auto)
507            }
508            Some(LanguageModelToolChoice::Any) if !request.tools.is_empty() => {
509                Some(mistral::ToolChoice::Any)
510            }
511            Some(LanguageModelToolChoice::None) => Some(mistral::ToolChoice::None),
512            _ if !request.tools.is_empty() => Some(mistral::ToolChoice::Auto),
513            _ => None,
514        },
515        parallel_tool_calls: if !request.tools.is_empty() {
516            Some(false)
517        } else {
518            None
519        },
520        tools: request
521            .tools
522            .into_iter()
523            .map(|tool| mistral::ToolDefinition::Function {
524                function: mistral::FunctionDefinition {
525                    name: tool.name,
526                    description: Some(tool.description),
527                    parameters: Some(tool.input_schema),
528                },
529            })
530            .collect(),
531    }
532}
533
534pub struct MistralEventMapper {
535    tool_calls_by_index: HashMap<usize, RawToolCall>,
536}
537
538impl MistralEventMapper {
539    pub fn new() -> Self {
540        Self {
541            tool_calls_by_index: HashMap::default(),
542        }
543    }
544
545    pub fn map_stream(
546        mut self,
547        events: Pin<Box<dyn Send + Stream<Item = Result<StreamResponse>>>>,
548    ) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>
549    {
550        events.flat_map(move |event| {
551            futures::stream::iter(match event {
552                Ok(event) => self.map_event(event),
553                Err(error) => vec![Err(LanguageModelCompletionError::from(error))],
554            })
555        })
556    }
557
558    pub fn map_event(
559        &mut self,
560        event: mistral::StreamResponse,
561    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
562        let Some(choice) = event.choices.first() else {
563            return vec![Err(LanguageModelCompletionError::from(anyhow!(
564                "Response contained no choices"
565            )))];
566        };
567
568        let mut events = Vec::new();
569        if let Some(content) = choice.delta.content.as_ref() {
570            match content {
571                mistral::MessageContentDelta::Text(text) => {
572                    events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
573                }
574                mistral::MessageContentDelta::Parts(parts) => {
575                    for part in parts {
576                        match part {
577                            mistral::MessagePart::Text { text } => {
578                                events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
579                            }
580                            mistral::MessagePart::Thinking { thinking } => {
581                                for tp in thinking.iter().cloned() {
582                                    match tp {
583                                        mistral::ThinkingPart::Text { text } => {
584                                            events.push(Ok(
585                                                LanguageModelCompletionEvent::Thinking {
586                                                    text,
587                                                    signature: None,
588                                                },
589                                            ));
590                                        }
591                                    }
592                                }
593                            }
594                            mistral::MessagePart::ImageUrl { .. } => {
595                                // We currently don't emit a separate event for images in responses.
596                            }
597                        }
598                    }
599                }
600            }
601        }
602
603        if let Some(tool_calls) = choice.delta.tool_calls.as_ref() {
604            for tool_call in tool_calls {
605                let entry = self.tool_calls_by_index.entry(tool_call.index).or_default();
606
607                if let Some(tool_id) = tool_call.id.clone() {
608                    entry.id = tool_id;
609                }
610
611                if let Some(function) = tool_call.function.as_ref() {
612                    if let Some(name) = function.name.clone() {
613                        entry.name = name;
614                    }
615
616                    if let Some(arguments) = function.arguments.clone() {
617                        entry.arguments.push_str(&arguments);
618                    }
619                }
620            }
621        }
622
623        if let Some(usage) = event.usage {
624            events.push(Ok(LanguageModelCompletionEvent::UsageUpdate(TokenUsage {
625                input_tokens: usage.prompt_tokens,
626                output_tokens: usage.completion_tokens,
627                cache_creation_input_tokens: 0,
628                cache_read_input_tokens: 0,
629            })));
630        }
631
632        if let Some(finish_reason) = choice.finish_reason.as_deref() {
633            match finish_reason {
634                "stop" => {
635                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
636                }
637                "tool_calls" => {
638                    events.extend(self.process_tool_calls());
639                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::ToolUse)));
640                }
641                unexpected => {
642                    log::error!("Unexpected Mistral stop_reason: {unexpected:?}");
643                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
644                }
645            }
646        }
647
648        events
649    }
650
651    fn process_tool_calls(
652        &mut self,
653    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
654        let mut results = Vec::new();
655
656        for (_, tool_call) in self.tool_calls_by_index.drain() {
657            if tool_call.id.is_empty() || tool_call.name.is_empty() {
658                results.push(Err(LanguageModelCompletionError::from(anyhow!(
659                    "Received incomplete tool call: missing id or name"
660                ))));
661                continue;
662            }
663
664            match serde_json::Value::from_str(&tool_call.arguments) {
665                Ok(input) => results.push(Ok(LanguageModelCompletionEvent::ToolUse(
666                    LanguageModelToolUse {
667                        id: tool_call.id.into(),
668                        name: tool_call.name.into(),
669                        is_input_complete: true,
670                        input,
671                        raw_input: tool_call.arguments,
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<Editor>,
698    state: gpui::Entity<State>,
699    load_credentials_task: Option<Task<()>>,
700}
701
702impl ConfigurationView {
703    fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
704        let api_key_editor = cx.new(|cx| {
705            let mut editor = Editor::single_line(window, cx);
706            editor.set_placeholder_text("0aBCDEFGhIjKLmNOpqrSTUVwxyzabCDE1f2", window, cx);
707            editor
708        });
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) = state
719                    .update(cx, |state, cx| state.authenticate(cx))
720                    .log_err()
721                {
722                    // We don't log an error, because "not signed in" is also an error.
723                    let _ = task.await;
724                }
725
726                this.update(cx, |this, cx| {
727                    this.load_credentials_task = None;
728                    cx.notify();
729                })
730                .log_err();
731            }
732        }));
733
734        Self {
735            api_key_editor,
736            state,
737            load_credentials_task,
738        }
739    }
740
741    fn save_api_key(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
742        let api_key = self.api_key_editor.read(cx).text(cx).trim().to_string();
743        if api_key.is_empty() {
744            return;
745        }
746
747        // url changes can cause the editor to be displayed again
748        self.api_key_editor
749            .update(cx, |editor, cx| editor.set_text("", window, cx));
750
751        let state = self.state.clone();
752        cx.spawn_in(window, async move |_, cx| {
753            state
754                .update(cx, |state, cx| state.set_api_key(Some(api_key), cx))?
755                .await
756        })
757        .detach_and_log_err(cx);
758    }
759
760    fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
761        self.api_key_editor
762            .update(cx, |editor, cx| editor.set_text("", window, cx));
763
764        let state = self.state.clone();
765        cx.spawn_in(window, async move |_, cx| {
766            state
767                .update(cx, |state, cx| state.set_api_key(None, cx))?
768                .await
769        })
770        .detach_and_log_err(cx);
771    }
772
773    fn render_api_key_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
774        let settings = ThemeSettings::get_global(cx);
775        let text_style = TextStyle {
776            color: cx.theme().colors().text,
777            font_family: settings.ui_font.family.clone(),
778            font_features: settings.ui_font.features.clone(),
779            font_fallbacks: settings.ui_font.fallbacks.clone(),
780            font_size: rems(0.875).into(),
781            font_weight: settings.ui_font.weight,
782            font_style: FontStyle::Normal,
783            line_height: relative(1.3),
784            white_space: WhiteSpace::Normal,
785            ..Default::default()
786        };
787        EditorElement::new(
788            &self.api_key_editor,
789            EditorStyle {
790                background: cx.theme().colors().editor_background,
791                local_player: cx.theme().players().local(),
792                text: text_style,
793                ..Default::default()
794            },
795        )
796    }
797
798    fn should_render_editor(&self, cx: &mut Context<Self>) -> bool {
799        !self.state.read(cx).is_authenticated()
800    }
801}
802
803impl Render for ConfigurationView {
804    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
805        let env_var_set = self.state.read(cx).api_key_state.is_from_env_var();
806
807        if self.load_credentials_task.is_some() {
808            div().child(Label::new("Loading credentials...")).into_any()
809        } else if self.should_render_editor(cx) {
810            v_flex()
811                .size_full()
812                .on_action(cx.listener(Self::save_api_key))
813                .child(Label::new("To use Zed's agent with Mistral, you need to add an API key. Follow these steps:"))
814                .child(
815                    List::new()
816                        .child(InstructionListItem::new(
817                            "Create one by visiting",
818                            Some("Mistral's console"),
819                            Some("https://console.mistral.ai/api-keys"),
820                        ))
821                        .child(InstructionListItem::text_only(
822                            "Ensure your Mistral account has credits",
823                        ))
824                        .child(InstructionListItem::text_only(
825                            "Paste your API key below and hit enter to start using the assistant",
826                        )),
827                )
828                .child(
829                    h_flex()
830                        .w_full()
831                        .my_2()
832                        .px_2()
833                        .py_1()
834                        .bg(cx.theme().colors().editor_background)
835                        .border_1()
836                        .border_color(cx.theme().colors().border)
837                        .rounded_sm()
838                        .child(self.render_api_key_editor(cx)),
839                )
840                .child(
841                    Label::new(
842                        format!("You can also assign the {API_KEY_ENV_VAR_NAME} environment variable and restart Zed."),
843                    )
844                    .size(LabelSize::Small).color(Color::Muted),
845                )
846                .into_any()
847        } else {
848            h_flex()
849                .mt_1()
850                .p_1()
851                .justify_between()
852                .rounded_md()
853                .border_1()
854                .border_color(cx.theme().colors().border)
855                .bg(cx.theme().colors().background)
856                .child(
857                    h_flex()
858                        .gap_1()
859                        .child(Icon::new(IconName::Check).color(Color::Success))
860                        .child(Label::new(if env_var_set {
861                            format!("API key set in {API_KEY_ENV_VAR_NAME} environment variable")
862                        } else {
863                            let api_url = MistralLanguageModelProvider::api_url(cx);
864                            if api_url == MISTRAL_API_URL {
865                                "API key configured".to_string()
866                            } else {
867                                format!("API key configured for {}", truncate_and_trailoff(&api_url, 32))
868                            }
869                        })),
870                )
871                .child(
872                    Button::new("reset-key", "Reset Key")
873                        .label_size(LabelSize::Small)
874                        .icon(Some(IconName::Trash))
875                        .icon_size(IconSize::Small)
876                        .icon_position(IconPosition::Start)
877                        .disabled(env_var_set)
878                        .when(env_var_set, |this| {
879                            this.tooltip(Tooltip::text(format!("To reset your API key, unset the {API_KEY_ENV_VAR_NAME} environment variable.")))
880                        })
881                        .on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx))),
882                )
883                .into_any()
884        }
885    }
886}
887
888#[cfg(test)]
889mod tests {
890    use super::*;
891    use language_model::{LanguageModelImage, LanguageModelRequestMessage, MessageContent};
892
893    #[test]
894    fn test_into_mistral_basic_conversion() {
895        let request = LanguageModelRequest {
896            messages: vec![
897                LanguageModelRequestMessage {
898                    role: Role::System,
899                    content: vec![MessageContent::Text("System prompt".into())],
900                    cache: false,
901                },
902                LanguageModelRequestMessage {
903                    role: Role::User,
904                    content: vec![MessageContent::Text("Hello".into())],
905                    cache: false,
906                },
907            ],
908            temperature: Some(0.5),
909            tools: vec![],
910            tool_choice: None,
911            thread_id: None,
912            prompt_id: None,
913            intent: None,
914            mode: None,
915            stop: vec![],
916            thinking_allowed: true,
917        };
918
919        let mistral_request = into_mistral(request, mistral::Model::MistralSmallLatest, None);
920
921        assert_eq!(mistral_request.model, "mistral-small-latest");
922        assert_eq!(mistral_request.temperature, Some(0.5));
923        assert_eq!(mistral_request.messages.len(), 2);
924        assert!(mistral_request.stream);
925    }
926
927    #[test]
928    fn test_into_mistral_with_image() {
929        let request = LanguageModelRequest {
930            messages: vec![LanguageModelRequestMessage {
931                role: Role::User,
932                content: vec![
933                    MessageContent::Text("What's in this image?".into()),
934                    MessageContent::Image(LanguageModelImage {
935                        source: "base64data".into(),
936                        size: Default::default(),
937                    }),
938                ],
939                cache: false,
940            }],
941            tools: vec![],
942            tool_choice: None,
943            temperature: None,
944            thread_id: None,
945            prompt_id: None,
946            intent: None,
947            mode: None,
948            stop: vec![],
949            thinking_allowed: true,
950        };
951
952        let mistral_request = into_mistral(request, mistral::Model::Pixtral12BLatest, None);
953
954        assert_eq!(mistral_request.messages.len(), 1);
955        assert!(matches!(
956            &mistral_request.messages[0],
957            mistral::RequestMessage::User {
958                content: mistral::MessageContent::Multipart { .. }
959            }
960        ));
961
962        if let mistral::RequestMessage::User {
963            content: mistral::MessageContent::Multipart { content },
964        } = &mistral_request.messages[0]
965        {
966            assert_eq!(content.len(), 2);
967            assert!(matches!(
968                &content[0],
969                mistral::MessagePart::Text { text } if text == "What's in this image?"
970            ));
971            assert!(matches!(
972                &content[1],
973                mistral::MessagePart::ImageUrl { image_url } if image_url.starts_with("data:image/png;base64,")
974            ));
975        }
976    }
977}