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package mistral
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"within.website/x/llm"
"within.website/x/web"
)
type Client struct {
*http.Client
apiKey string
}
func NewClient(apiKey string) *Client {
return &Client{
Client: &http.Client{},
apiKey: apiKey,
}
}
func (c *Client) Do(req *http.Request) (*http.Response, error) {
req.Header.Set("Authorization", "Bearer "+c.apiKey)
return c.Client.Do(req)
}
type CompleteRequest struct {
Model string `json:"model"`
Messages []llm.Message `json:"messages"`
Temperature *float64 `json:"temperature,omitempty"`
TopP *float64 `json:"top_p,omitempty"`
MaxTokens *int `json:"max_tokens,omitempty"`
Stream *bool `json:"stream,omitempty"`
SafeMode *bool `json:"safe_mode,omitempty"`
RandomSeed *int `json:"random_seed,omitempty"`
}
type CompleteResponse struct {
ID string `json:"id"`
Object string `json:"object"`
Created int64 `json:"created"`
Model string `json:"model"`
Choices []CompletionChoice `json:"choices"`
Usage UsageInfo `json:"usage"`
}
type CompletionChoice struct {
Index int `json:"index"`
Message []Message `json:"message"`
FinishReason string `json:"finish_reason"`
}
type Message struct {
Content string `json:"content"`
Role string `json:"role"`
}
type UsageInfo struct {
PromptTokens int `json:"prompt_tokens"`
CompletionTokens int `json:"completion_tokens"`
TotalTokens int `json:"total_tokens"`
}
func (c *Client) Chat(ctx context.Context, req *CompleteRequest) (*CompleteResponse, error) {
var data bytes.Buffer
if err := json.NewEncoder(&data).Encode(req); err != nil {
return nil, fmt.Errorf("mistral: error encoding request: %w", err)
}
r, err := http.NewRequestWithContext(ctx, http.MethodPost, "https://api.mistral.chat/v1/chat/completions", &data)
if err != nil {
return nil, fmt.Errorf("mistral: error creating request: %w", err)
}
r.Header.Set("Content-Type", "application/json")
r.Header.Set("Accept", "application/json")
resp, err := c.Do(r)
if err != nil {
return nil, fmt.Errorf("mistral: error sending request: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, web.NewError(http.StatusOK, resp)
}
var res CompleteResponse
if err := json.NewDecoder(resp.Body).Decode(&res); err != nil {
return nil, fmt.Errorf("mistral: error decoding response: %w", err)
}
return &res, nil
}
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