mirror of
https://github.com/infiniflow/ragflow.git
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0a8f28ff36
### Summary As title, related to #16990 --------- Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
817 lines
24 KiB
Go
817 lines
24 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package models
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import (
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"bytes"
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io"
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"mime/multipart"
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"net/http"
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"os"
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"path/filepath"
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"ragflow/internal/common"
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"strconv"
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"strings"
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"time"
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)
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// MistralModel implements ModelDriver for Mistral AI.
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type MistralModel struct {
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baseModel BaseModel
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}
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// NewMistralModel creates a new Mistral model instance.
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func NewMistralModel(baseURL map[string]string, urlSuffix URLSuffix) *MistralModel {
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return &MistralModel{
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baseModel: BaseModel{
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BaseURL: baseURL,
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URLSuffix: urlSuffix,
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httpClient: NewDriverHTTPClient(),
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},
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}
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}
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func (m *MistralModel) NewInstance(baseURL map[string]string) ModelDriver {
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return NewMistralModel(baseURL, m.baseModel.URLSuffix)
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}
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func (m *MistralModel) Name() string {
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return "mistral"
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}
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type MistralChatResponse struct {
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ID string `json:"id"`
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Object string `json:"object"`
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Created int64 `json:"created"`
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Model string `json:"model"`
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Choices []struct {
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Index int `json:"index"`
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Message struct {
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Role string `json:"role"`
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Content interface{} `json:"content"`
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ToolCalls []map[string]any `json:"tool_calls"`
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ReasoningContent *string `json:"reasoning_content"`
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} `json:"message"`
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FinishReason string `json:"finish_reason"`
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} `json:"choices"`
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Usage struct {
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CompletionTokens int `json:"completion_tokens"`
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NumCachedTokens int `json:"num_cached_tokens"`
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PromptAudioSeconds int `json:"prompt_audio_seconds"`
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PromptTokenDetails struct {
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CachedTokens int `json:"cached_tokens"`
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}
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PromptTokens int `json:"prompt_tokens"`
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TotalTokens int `json:"total_tokens"`
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} `json:"usage"`
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}
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// ChatWithMessages sends multiple messages with roles and returns the response.
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func (m *MistralModel) ChatWithMessages(ctx context.Context, modelName string, messages []Message, apiConfig *APIConfig, chatModelConfig *ChatConfig, modelUsage *common.ModelUsage) (*ChatResponse, error) {
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if err := m.baseModel.APIConfigCheck(apiConfig); err != nil {
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return nil, err
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}
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if len(messages) == 0 {
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return nil, fmt.Errorf("messages is empty")
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}
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baseURL, err := m.baseModel.GetBaseURL(apiConfig)
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if err != nil {
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return nil, err
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}
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baseURL = strings.TrimSuffix(baseURL, "/")
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url := fmt.Sprintf("%s/%s", baseURL, m.baseModel.URLSuffix.Chat)
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reqBody := buildRequestBody(chatModelConfig, modelName, messages, false)
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jsonData, err := json.Marshal(reqBody)
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if err != nil {
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return nil, fmt.Errorf("failed to marshal request: %w", err)
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}
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ctx, cancel := context.WithTimeout(ctx, nonStreamCallTimeout)
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defer cancel()
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req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewBuffer(jsonData))
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if err != nil {
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return nil, fmt.Errorf("failed to create request: %w", err)
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", *apiConfig.ApiKey))
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resp, err := m.baseModel.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("failed to send request: %w", err)
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("failed to read response: %w", err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("API request failed with status %d: %s", resp.StatusCode, string(body))
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}
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return parseChatCompletionResponse(body, chatModelConfig, modelUsage, func(body []byte, _ *ChatConfig) (chatResponseParts, error) {
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var result MistralChatResponse
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if err := json.Unmarshal(body, &result); err != nil {
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return chatResponseParts{}, fmt.Errorf("failed to parse response: %w", err)
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}
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if len(result.Choices) == 0 {
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return chatResponseParts{}, fmt.Errorf("no choices in response")
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}
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choice := &result.Choices[0]
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content, reasonContent, err := extractMistralContent(choice.Message.Content)
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if err != nil {
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return chatResponseParts{}, err
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}
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if reasonContent == "" && choice.Message.ReasoningContent != nil {
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reasonContent = *choice.Message.ReasoningContent
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}
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totalTokens := result.Usage.TotalTokens
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if totalTokens == 0 {
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totalTokens = result.Usage.PromptTokens + result.Usage.CompletionTokens
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}
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var usage *TokenUsage
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if totalTokens > 0 {
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usage = &TokenUsage{
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PromptTokens: result.Usage.PromptTokens,
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CompletionTokens: result.Usage.CompletionTokens,
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TotalTokens: totalTokens,
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}
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}
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return chatResponseParts{
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RequestID: result.ID,
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Content: &content,
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ReasonContent: &reasonContent,
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ToolCalls: choice.Message.ToolCalls,
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Usage: usage,
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}, nil
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})
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}
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func extractMistralContent(raw interface{}) (string, string, error) {
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switch v := raw.(type) {
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case string:
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return v, "", nil
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case []interface{}:
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var answer, reasoning strings.Builder
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for _, part := range v {
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pm, ok := part.(map[string]interface{})
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if !ok {
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continue
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}
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switch pm["type"] {
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case "text":
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if t, ok := pm["text"].(string); ok {
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answer.WriteString(t)
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}
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case "thinking":
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// thinking is an array of inner text parts; concatenate
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// any inner element with a non-empty text field.
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inner, ok := pm["thinking"].([]interface{})
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if !ok {
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continue
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}
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for _, sub := range inner {
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sm, ok := sub.(map[string]interface{})
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if !ok {
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continue
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}
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if t, ok := sm["text"].(string); ok {
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reasoning.WriteString(t)
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}
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}
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}
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}
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return answer.String(), reasoning.String(), nil
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case nil:
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return "", "", nil
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default:
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return "", "", fmt.Errorf("mistral: unsupported content type %T", raw)
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}
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}
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// ChatStreamlyWithSender sends messages and streams the response
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func (m *MistralModel) ChatStreamlyWithSender(ctx context.Context, modelName string, messages []Message, apiConfig *APIConfig, chatModelConfig *ChatConfig, modelUsage *common.ModelUsage, sender func(*string, *string) error) error {
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if err := m.baseModel.APIConfigCheck(apiConfig); err != nil {
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return err
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}
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if sender == nil {
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return fmt.Errorf("sender is required")
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}
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if len(messages) == 0 {
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return fmt.Errorf("messages is empty")
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}
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if err := validateStreamConfig(chatModelConfig); err != nil {
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return err
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}
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baseURL, err := m.baseModel.GetBaseURL(apiConfig)
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if err != nil {
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return err
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}
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baseURL = strings.TrimSuffix(baseURL, "/")
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url := fmt.Sprintf("%s/%s", baseURL, m.baseModel.URLSuffix.Chat)
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reqBody := buildRequestBody(chatModelConfig, modelName, messages, true)
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jsonData, err := json.Marshal(reqBody)
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if err != nil {
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return fmt.Errorf("failed to marshal request: %w", err)
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}
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req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewBuffer(jsonData))
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if err != nil {
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return fmt.Errorf("failed to create request: %w", err)
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", *apiConfig.ApiKey))
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resp, err := m.baseModel.httpClient.Do(req)
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if err != nil {
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return fmt.Errorf("failed to send request: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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body, _ := io.ReadAll(resp.Body)
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return fmt.Errorf("API request failed with status %d: %s", resp.StatusCode, string(body))
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}
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sawTerminal := false
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accumulatedToolCalls := make(map[int]map[string]any)
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done, err := ParseSSEStream[map[string]interface{}](resp.Body, func(event map[string]interface{}) error {
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tokenUsage, found, usageErr := decodeOpenAICompatibleStreamUsage(event)
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if usageErr != nil {
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return usageErr
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}
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if found {
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applyStreamUsage(chatModelConfig, modelUsage, tokenUsage)
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}
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choices, ok := event["choices"].([]interface{})
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if !ok || len(choices) == 0 {
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return nil
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}
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firstChoice, ok := choices[0].(map[string]interface{})
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if !ok {
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return nil
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}
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delta, ok := firstChoice["delta"].(map[string]interface{})
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if !ok {
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return nil
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}
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accumulateToolCallDeltas(delta, accumulatedToolCalls)
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content, ok := delta["content"].(string)
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if ok && content != "" {
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if err := sender(&content, nil); err != nil {
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return err
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}
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}
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finishReason, ok := firstChoice["finish_reason"].(string)
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if ok && finishReason != "" {
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sawTerminal = true
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}
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return nil
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})
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if err != nil {
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return fmt.Errorf("failed to scan response body: %w", err)
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}
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setSortedToolCallsResult(chatModelConfig, accumulatedToolCalls)
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if !done && !sawTerminal {
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return fmt.Errorf("mistral: stream ended before [DONE] or finish_reason")
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}
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endOfStream := "[DONE]"
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if err := sender(&endOfStream, nil); err != nil {
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return err
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}
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return nil
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}
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type mistralEmbeddingData struct {
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Embedding []float64 `json:"embedding"`
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Object string `json:"object"`
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Index int `json:"index"`
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Usage struct {
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CompletionTokens int `json:"completion_tokens"`
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NumCachedTokens int `json:"num_cached_tokens"`
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PromptAudioSeconds int `json:"prompt_audio_seconds"`
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PromptTokenDetails struct {
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CachedTokens int `json:"cached_tokens"`
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}
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PromptTokens int `json:"prompt_tokens"`
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TotalTokens int `json:"total_tokens"`
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}
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}
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type mistralEmbeddingResponse struct {
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Data []mistralEmbeddingData `json:"data"`
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Model string `json:"model"`
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Object string `json:"object"`
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}
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// Embed turns a list of texts into embedding vectors
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func (m *MistralModel) Embed(ctx context.Context, modelName *string, texts []string, apiConfig *APIConfig, embeddingConfig *EmbeddingConfig, modelUsage *common.ModelUsage) ([]EmbeddingData, error) {
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if err := m.baseModel.APIConfigCheck(apiConfig); err != nil {
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return nil, err
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}
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if len(texts) == 0 {
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return []EmbeddingData{}, nil
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}
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if modelName == nil || *modelName == "" {
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return nil, fmt.Errorf("model name is required")
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}
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baseURL, err := m.baseModel.GetBaseURL(apiConfig)
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if err != nil {
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return nil, err
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}
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baseURL = strings.TrimSuffix(baseURL, "/")
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url := fmt.Sprintf("%s/%s", baseURL, m.baseModel.URLSuffix.Embedding)
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reqBody := map[string]interface{}{
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"model": *modelName,
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"input": texts,
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}
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if embeddingConfig != nil && embeddingConfig.Dimension > 0 {
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reqBody["output_dimension"] = embeddingConfig.Dimension
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}
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jsonData, err := json.Marshal(reqBody)
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if err != nil {
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return nil, fmt.Errorf("failed to marshal request: %w", err)
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}
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ctx, cancel := context.WithTimeout(ctx, nonStreamCallTimeout)
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defer cancel()
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req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewBuffer(jsonData))
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if err != nil {
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return nil, fmt.Errorf("failed to create request: %w", err)
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", *apiConfig.ApiKey))
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resp, err := m.baseModel.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("failed to send request: %w", err)
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("failed to read response: %w", err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("Mistral embeddings API error: %s, body: %s", resp.Status, string(body))
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}
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var parsed mistralEmbeddingResponse
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if err = json.Unmarshal(body, &parsed); err != nil {
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return nil, fmt.Errorf("failed to parse response: %w", err)
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}
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embeddings := make([]EmbeddingData, len(texts))
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filled := make([]bool, len(texts))
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for _, item := range parsed.Data {
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if item.Index < 0 || item.Index >= len(texts) {
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return nil, fmt.Errorf("mistral: response index %d out of range for %d inputs", item.Index, len(texts))
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}
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if filled[item.Index] {
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return nil, fmt.Errorf("mistral: duplicate embedding index %d in response", item.Index)
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}
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embeddings[item.Index] = EmbeddingData{
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Embedding: item.Embedding,
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Index: item.Index,
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}
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filled[item.Index] = true
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}
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for i, ok := range filled {
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if !ok {
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return nil, fmt.Errorf("mistral: missing embedding for input index %d", i)
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}
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}
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return embeddings, nil
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}
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// ListModels returns the list of model ids visible to the API key.
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func (m *MistralModel) ListModels(ctx context.Context, apiConfig *APIConfig) ([]ListModelResponse, error) {
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if err := m.baseModel.APIConfigCheck(apiConfig); err != nil {
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return nil, err
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}
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baseURL, err := m.baseModel.GetBaseURL(apiConfig)
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if err != nil {
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return nil, err
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}
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baseURL = strings.TrimSuffix(baseURL, "/")
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url := fmt.Sprintf("%s/%s", baseURL, m.baseModel.URLSuffix.Models)
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ctx, cancel := context.WithTimeout(ctx, nonStreamCallTimeout)
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defer cancel()
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req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
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if err != nil {
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return nil, fmt.Errorf("failed to create request: %w", err)
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}
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", *apiConfig.ApiKey))
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resp, err := m.baseModel.httpClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("failed to send request: %w", err)
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("failed to read response: %w", err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("API request failed with status %d: %s", resp.StatusCode, string(body))
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}
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// Parse response
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var modelList ModelList
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if err = json.Unmarshal(body, &modelList); err != nil {
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return nil, fmt.Errorf("failed to parse response: %w", err)
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}
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if modelList.Models == nil {
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return nil, fmt.Errorf("invalid models list format")
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}
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return ParseListModel(modelList), nil
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}
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// Balance is not exposed by the Mistral API, so this returns "no such method".
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func (m *MistralModel) Balance(ctx context.Context, apiConfig *APIConfig) (map[string]interface{}, error) {
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return nil, fmt.Errorf("%s, no such method", m.Name())
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}
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// CheckConnection runs a lightweight ListModels call to verify the API key.
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func (m *MistralModel) CheckConnection(ctx context.Context, apiConfig *APIConfig) error {
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_, err := m.ListModels(ctx, apiConfig)
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return err
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}
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// Rerank calculates similarity scores between query and documents
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func (m *MistralModel) Rerank(ctx context.Context, modelName *string, query string, documents []string, apiConfig *APIConfig, rerankConfig *RerankConfig, modelUsage *common.ModelUsage) (*RerankResponse, error) {
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return nil, fmt.Errorf("%s, no such method", m.Name())
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}
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// TranscribeAudio transcribe audio
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func (m *MistralModel) TranscribeAudio(ctx context.Context, modelName *string, file *string, apiConfig *APIConfig, asrConfig *ASRConfig, modelUsage *common.ModelUsage) (*ASRResponse, error) {
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if err := m.baseModel.APIConfigCheck(apiConfig); err != nil {
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return nil, err
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}
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if modelName == nil || strings.TrimSpace(*modelName) == "" {
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return nil, fmt.Errorf("model name is required")
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}
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if file == nil || *file == "" {
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return nil, fmt.Errorf("file is missing")
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}
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resolvedBaseURL, err := m.baseModel.GetBaseURL(apiConfig)
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if err != nil {
|
|
return nil, err
|
|
}
|
|
url := fmt.Sprintf("%s/%s", resolvedBaseURL, m.baseModel.URLSuffix.ASR)
|
|
|
|
var body bytes.Buffer
|
|
writer := multipart.NewWriter(&body)
|
|
|
|
// codeql[go/path-injection] False positive: *file is the audio file path the caller passes in to upload. The user (or operator-supplied pipeline) explicitly chose this path, and the OS access check enforces permissions anyway.
|
|
audioFile, err := os.Open(*file)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to open audio file: %w", err)
|
|
}
|
|
defer audioFile.Close()
|
|
|
|
// create multipart file field
|
|
part, err := writer.CreateFormFile(
|
|
"file",
|
|
filepath.Base(*file),
|
|
)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to create multipart file: %w", err)
|
|
}
|
|
|
|
// copy file content
|
|
if _, err = io.Copy(part, audioFile); err != nil {
|
|
return nil, fmt.Errorf("failed to copy audio data: %w", err)
|
|
}
|
|
|
|
if err := writer.WriteField("model", strings.TrimSpace(*modelName)); err != nil {
|
|
return nil, fmt.Errorf("failed to write model field: %w", err)
|
|
}
|
|
|
|
if asrConfig != nil && asrConfig.Params != nil {
|
|
for key, value := range asrConfig.Params {
|
|
if err = writeMistralFormField(writer, key, value); err != nil {
|
|
return nil, fmt.Errorf("failed to write field %s: %w", key, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
if err = writer.Close(); err != nil {
|
|
return nil, fmt.Errorf("failed to close multipart writer: %w", err)
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(ctx, longOpCallTimeout)
|
|
defer cancel()
|
|
|
|
req, err := http.NewRequestWithContext(ctx, "POST", url, &body)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to create request: %w", err)
|
|
}
|
|
|
|
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", strings.TrimSpace(*apiConfig.ApiKey)))
|
|
req.Header.Set("Content-Type", writer.FormDataContentType())
|
|
req.Header.Set("Accept", "application/json")
|
|
|
|
resp, err := m.baseModel.httpClient.Do(req)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to send request: %w", err)
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
respBody, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to read response body: %w", err)
|
|
}
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
return nil, fmt.Errorf("Mistral ASR API error: %s, body: %s", resp.Status, string(respBody))
|
|
}
|
|
|
|
var result struct {
|
|
Text string `json:"text"`
|
|
}
|
|
|
|
if err = json.Unmarshal(respBody, &result); err != nil {
|
|
return nil, fmt.Errorf("failed to parse Mistral ASR response: %w, body=%s", err, string(respBody))
|
|
}
|
|
if result.Text == "" {
|
|
return nil, fmt.Errorf("Mistral ASR response missing text")
|
|
}
|
|
|
|
return &ASRResponse{Text: result.Text}, nil
|
|
}
|
|
|
|
func writeMistralFormField(writer *multipart.Writer, key string, value interface{}) error {
|
|
var fieldValue string
|
|
switch v := value.(type) {
|
|
case string:
|
|
fieldValue = v
|
|
case bool:
|
|
fieldValue = strconv.FormatBool(v)
|
|
case int:
|
|
fieldValue = strconv.Itoa(v)
|
|
case int64:
|
|
fieldValue = strconv.FormatInt(v, 10)
|
|
case float32:
|
|
fieldValue = strconv.FormatFloat(float64(v), 'f', -1, 32)
|
|
case float64:
|
|
fieldValue = strconv.FormatFloat(v, 'f', -1, 64)
|
|
default:
|
|
data, err := json.Marshal(v)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
fieldValue = string(data)
|
|
}
|
|
return writer.WriteField(key, fieldValue)
|
|
}
|
|
|
|
func (m *MistralModel) TranscribeAudioWithSender(ctx context.Context, modelName *string, file *string, apiConfig *APIConfig, asrConfig *ASRConfig, modelUsage *common.ModelUsage, sender func(*string, *string) error) error {
|
|
return fmt.Errorf("%s, no such method", m.Name())
|
|
}
|
|
|
|
// AudioSpeech convert text to audio
|
|
func (m *MistralModel) AudioSpeech(ctx context.Context, modelName *string, audioContent *string, apiConfig *APIConfig, ttsConfig *TTSConfig, modelUsage *common.ModelUsage) (*TTSResponse, error) {
|
|
if err := m.baseModel.APIConfigCheck(apiConfig); err != nil {
|
|
return nil, err
|
|
}
|
|
if modelName == nil || strings.TrimSpace(*modelName) == "" {
|
|
return nil, fmt.Errorf("model name is required")
|
|
}
|
|
if audioContent == nil || *audioContent == "" {
|
|
return nil, fmt.Errorf("text content is empty")
|
|
}
|
|
|
|
resolvedBaseURL, err := m.baseModel.GetBaseURL(apiConfig)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
url := fmt.Sprintf("%s/%s", resolvedBaseURL, m.baseModel.URLSuffix.TTS)
|
|
|
|
reqBody := map[string]interface{}{
|
|
"model": strings.TrimSpace(*modelName),
|
|
"input": *audioContent,
|
|
}
|
|
if ttsConfig != nil && ttsConfig.Params != nil {
|
|
for key, value := range ttsConfig.Params {
|
|
reqBody[key] = value
|
|
}
|
|
}
|
|
if ttsConfig != nil && ttsConfig.Format != "" {
|
|
reqBody["response_format"] = ttsConfig.Format
|
|
}
|
|
reqBody["stream"] = false
|
|
|
|
jsonData, err := json.Marshal(reqBody)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to marshal request: %w", err)
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(ctx, longOpCallTimeout)
|
|
defer cancel()
|
|
|
|
req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewBuffer(jsonData))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to create request: %w", err)
|
|
}
|
|
|
|
req.Header.Set("Content-Type", "application/json")
|
|
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", strings.TrimSpace(*apiConfig.ApiKey)))
|
|
|
|
resp, err := m.baseModel.httpClient.Do(req)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to send request: %w", err)
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
body, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to read response body: %w", err)
|
|
}
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
return nil, fmt.Errorf("Mistral TTS API error: status %d, body: %s", resp.StatusCode, string(body))
|
|
}
|
|
|
|
var result struct {
|
|
AudioData string `json:"audio_data"`
|
|
}
|
|
|
|
if err := json.Unmarshal(body, &result); err != nil {
|
|
return nil, fmt.Errorf("failed to parse response: %w", err)
|
|
}
|
|
|
|
// format HEX
|
|
audioBytes, err := base64.StdEncoding.DecodeString(result.AudioData)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to decode Mistral base64 audio: %w", err)
|
|
}
|
|
|
|
return &TTSResponse{
|
|
Audio: audioBytes,
|
|
}, nil
|
|
}
|
|
|
|
func (m *MistralModel) AudioSpeechWithSender(ctx context.Context, modelName *string, audioContent *string, apiConfig *APIConfig, ttsConfig *TTSConfig, modelUsage *common.ModelUsage, sender func(*string, *string) error) error {
|
|
return fmt.Errorf("%s, no such method", m.Name())
|
|
}
|
|
|
|
// OCRFile OCR file
|
|
func (m *MistralModel) OCRFile(ctx context.Context, modelName *string, content []byte, urls *string, apiConfig *APIConfig, ocrConfig *OCRConfig, modelUsage *common.ModelUsage) (*OCRFileResponse, error) {
|
|
if err := m.baseModel.APIConfigCheck(apiConfig); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if (urls == nil || *urls == "") && (content == nil || len(content) == 0) {
|
|
return nil, fmt.Errorf("file url or content is required")
|
|
}
|
|
|
|
resolvedBaseURL, err := m.baseModel.GetBaseURL(apiConfig)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
url := fmt.Sprintf("%s/%s", resolvedBaseURL, m.baseModel.URLSuffix.OCR)
|
|
|
|
var docURL string
|
|
if urls != nil && *urls != "" {
|
|
docURL = *urls
|
|
} else {
|
|
mimeType := http.DetectContentType(content)
|
|
base64Str := base64.StdEncoding.EncodeToString(content)
|
|
docURL = fmt.Sprintf("data:%s;base64,%s", mimeType, base64Str)
|
|
}
|
|
|
|
reqData := map[string]interface{}{
|
|
"model": *modelName,
|
|
"document": map[string]interface{}{
|
|
"type": "document_url",
|
|
"document_url": docURL,
|
|
},
|
|
}
|
|
|
|
jsonData, err := json.Marshal(reqData)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to marshal json payload: %w", err)
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(ctx, 120*time.Second)
|
|
defer cancel()
|
|
|
|
req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewBuffer(jsonData))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to create request: %w", err)
|
|
}
|
|
|
|
req.Header.Set("Content-Type", "application/json")
|
|
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", *apiConfig.ApiKey))
|
|
|
|
resp, err := m.baseModel.httpClient.Do(req)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to send request: %w", err)
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
body, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to read response: %w", err)
|
|
}
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
return nil, fmt.Errorf("Mistral OCR API error: %s, body: %s", resp.Status, string(body))
|
|
}
|
|
|
|
var mistralResp struct {
|
|
Pages []struct {
|
|
Index int `json:"index"`
|
|
Markdown string `json:"markdown"`
|
|
} `json:"pages"`
|
|
}
|
|
|
|
if err = json.Unmarshal(body, &mistralResp); err != nil {
|
|
return nil, fmt.Errorf("failed to parse response json: %w", err)
|
|
}
|
|
|
|
var fullMarkdown strings.Builder
|
|
for _, page := range mistralResp.Pages {
|
|
fullMarkdown.WriteString(page.Markdown)
|
|
fullMarkdown.WriteString("\n\n")
|
|
}
|
|
|
|
resultText := strings.TrimSpace(fullMarkdown.String())
|
|
|
|
return &OCRFileResponse{
|
|
Text: &resultText,
|
|
}, nil
|
|
}
|
|
|
|
func (m *MistralModel) ParseFile(ctx context.Context, modelName *string, content []byte, url *string, apiConfig *APIConfig, parseFileConfig *ParseFileConfig, modelUsage *common.ModelUsage) (*ParseFileResponse, error) {
|
|
return nil, fmt.Errorf("%s, no such method", m.Name())
|
|
}
|
|
|
|
func (m *MistralModel) ListTasks(ctx context.Context, apiConfig *APIConfig) ([]ListTaskStatus, error) {
|
|
return nil, fmt.Errorf("%s, no such method", m.Name())
|
|
}
|
|
|
|
func (m *MistralModel) ShowTask(ctx context.Context, taskID string, apiConfig *APIConfig) (*TaskResponse, error) {
|
|
return nil, fmt.Errorf("%s, no such method", m.Name())
|
|
}
|