mirror of
https://github.com/infiniflow/ragflow.git
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daa3811165
### What problem does this PR solve? The Go model-driver layer () has ~38,700 lines across 109 files. Roughly 74% of that is boilerplate duplicated into every driver: identical HTTP client setup, the same 65-line SSE scanner loop, and 10-11 one-line "not supported" stub methods per driver. Any fix must be manually propagated to every file. Closes #15820. This PR establishes the three shared utility files that form the foundation for incremental driver migration: --- ### Type of change - [x] New Feature (non-breaking change which adds functionality) - [x] Refactoring --------- Co-authored-by: Haruko386 <tryeverypossible@163.com>
631 lines
17 KiB
Go
631 lines
17 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/json"
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"fmt"
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"io"
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"net/http"
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"ragflow/internal/common"
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"strings"
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)
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// AliyunModel implements ModelDriver for Aliyun
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type AliyunModel struct {
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baseModel BaseModel
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}
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// NewAliyunModel creates a new Aliyun model instance
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func NewAliyunModel(baseURL map[string]string, urlSuffix URLSuffix) *AliyunModel {
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return &AliyunModel{
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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 (a *AliyunModel) NewInstance(baseURL map[string]string) ModelDriver {
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return NewAliyunModel(baseURL, a.baseModel.URLSuffix)
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}
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func (a *AliyunModel) Name() string {
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return "aliyun"
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}
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func (a *AliyunModel) ChatWithMessages(modelName string, messages []Message, apiConfig *APIConfig, chatModelConfig *ChatConfig) (*ChatResponse, error) {
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if err := a.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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resolvedBaseURL, err := a.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 := resolvedBaseURL
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url := fmt.Sprintf("%s/%s", strings.TrimSuffix(baseURL, "/"), a.baseModel.URLSuffix.Chat)
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// Convert messages to the format expected by API
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apiMessages := make([]map[string]interface{}, len(messages))
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for i, msg := range messages {
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apiMessages[i] = map[string]interface{}{
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"role": msg.Role,
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"content": msg.Content,
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}
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}
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// Build request body
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reqBody := map[string]interface{}{
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"model": modelName,
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"messages": apiMessages,
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"stream": false,
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"temperature": 1,
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}
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if chatModelConfig != nil {
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if chatModelConfig.Stream != nil {
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reqBody["stream"] = *chatModelConfig.Stream
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}
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if chatModelConfig.MaxTokens != nil {
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reqBody["max_tokens"] = *chatModelConfig.MaxTokens
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}
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if chatModelConfig.Temperature != nil {
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reqBody["temperature"] = *chatModelConfig.Temperature
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}
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if chatModelConfig.TopP != nil {
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reqBody["top_p"] = *chatModelConfig.TopP
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}
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if chatModelConfig.Stop != nil {
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reqBody["stop"] = *chatModelConfig.Stop
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}
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if chatModelConfig.Thinking != nil {
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if *chatModelConfig.Thinking {
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reqBody["enable_thinking"] = true
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} else {
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reqBody["enable_thinking"] = false
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}
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}
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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(context.Background(), 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 := a.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 result map[string]interface{}
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if err = json.Unmarshal(body, &result); err != nil {
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return nil, fmt.Errorf("failed to parse response: %w", err)
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}
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choices, ok := result["choices"].([]interface{})
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if !ok || len(choices) == 0 {
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return nil, fmt.Errorf("no choices in response")
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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, fmt.Errorf("invalid choice format")
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}
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messageMap, ok := firstChoice["message"].(map[string]interface{})
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if !ok {
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return nil, fmt.Errorf("invalid message format")
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}
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answer, ok := messageMap["content"].(string)
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if !ok {
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return nil, fmt.Errorf("invalid content format")
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}
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var reasonContent string
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if chatModelConfig != nil && chatModelConfig.Thinking != nil && *chatModelConfig.Thinking {
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reasonContent, ok = messageMap["reasoning_content"].(string)
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if !ok {
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return nil, fmt.Errorf("invalid content format")
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}
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// if first char of reasonContent is \n remove the '\n'
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if reasonContent != "" && reasonContent[0] == '\n' {
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reasonContent = reasonContent[1:]
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}
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}
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chatResponse := &ChatResponse{
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Answer: &answer,
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ReasonContent: &reasonContent,
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}
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return chatResponse, nil
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}
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// ChatStreamlyWithSender sends messages and streams response via sender function (best performance, no channel)
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func (a *AliyunModel) ChatStreamlyWithSender(modelName string, messages []Message, apiConfig *APIConfig, chatModelConfig *ChatConfig, sender func(*string, *string) error) error {
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if err := a.baseModel.APIConfigCheck(apiConfig); err != nil {
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return err
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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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resolvedBaseURL, err := a.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 := resolvedBaseURL
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url := fmt.Sprintf("%s/%s", strings.TrimSuffix(baseURL, "/"), a.baseModel.URLSuffix.Chat)
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// Convert messages to API format
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apiMessages := make([]map[string]interface{}, len(messages))
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for i, msg := range messages {
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apiMessages[i] = map[string]interface{}{
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"role": msg.Role,
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"content": msg.Content,
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}
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}
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// Build request body with streaming enabled
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reqBody := map[string]interface{}{
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"model": modelName,
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"messages": apiMessages,
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"stream": true,
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"temperature": 1,
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}
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if chatModelConfig.Stream != nil {
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reqBody["stream"] = *chatModelConfig.Stream
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}
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if chatModelConfig.MaxTokens != nil {
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reqBody["max_tokens"] = *chatModelConfig.MaxTokens
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}
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if chatModelConfig.Temperature != nil {
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reqBody["temperature"] = *chatModelConfig.Temperature
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}
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if chatModelConfig.DoSample != nil {
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reqBody["do_sample"] = *chatModelConfig.DoSample
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}
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if chatModelConfig.TopP != nil {
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reqBody["top_p"] = *chatModelConfig.TopP
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}
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if chatModelConfig.Stop != nil {
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reqBody["stop"] = *chatModelConfig.Stop
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}
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if chatModelConfig.Thinking != nil {
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if *chatModelConfig.Thinking {
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reqBody["enable_thinking"] = true
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} else {
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reqBody["enable_thinking"] = false
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}
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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 fmt.Errorf("failed to marshal request: %w", err)
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}
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ctx, cancel := context.WithTimeout(context.Background(), streamCallTimeout)
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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 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 := a.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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// SSE parsing: read line by line
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if _, err := ParseSSEStream[map[string]interface{}](resp.Body, func(event map[string]interface{}) error {
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common.Info(fmt.Sprintf("%v", event))
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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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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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reasoningContent, ok := delta["reasoning_content"].(string)
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if ok && reasoningContent != "" {
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if err := sender(nil, &reasoningContent); err != nil {
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return err
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}
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}
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return nil
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}); err != nil {
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return fmt.Errorf("failed to scan response body: %w", err)
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}
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// Send [DONE] marker for OpenAI compatibility
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endOfStream := "[DONE]"
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return sender(&endOfStream, nil)
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}
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type aliyunEmbeddingResponse struct {
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Data []EmbeddingData `json:"data"`
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Model string `json:"model"`
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Object string `json:"object"`
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Usage aliyunUsage `json:"usage"`
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ID string `json:"id"`
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}
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type aliyunEmbeddingData struct {
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Embedding []float64 `json:"embedding"`
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Index int `json:"index"`
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Object string `json:"object"`
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}
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type aliyunUsage struct {
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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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// Embed embeds a list of texts into embeddings
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func (a *AliyunModel) Embed(modelName *string, texts []string, apiConfig *APIConfig, embeddingConfig *EmbeddingConfig) ([]EmbeddingData, error) {
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if err := a.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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resolvedBaseURL, err := a.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 := resolvedBaseURL
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url := fmt.Sprintf("%s/%s", strings.TrimSuffix(baseURL, "/"), a.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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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(context.Background(), 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 := a.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("Aliyun embeddings API error: %s, body: %s", resp.Status, string(body))
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}
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var parsed aliyunEmbeddingResponse
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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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var embeddings []EmbeddingData
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for _, dataElem := range parsed.Data {
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var embeddingData EmbeddingData
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embeddingData.Embedding = dataElem.Embedding
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embeddingData.Index = dataElem.Index
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embeddings = append(embeddings, embeddingData)
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}
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return embeddings, nil
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}
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type aliyunRerankRequest struct {
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Model string `json:"model"`
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Query string `json:"query"`
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Documents []string `json:"documents"`
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TopN int `json:"top_n"`
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ReturnDocuments bool `json:"return_documents"`
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}
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type aliyunRerankResponse struct {
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Results []struct {
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Index int `json:"index"`
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RelevanceScore float64 `json:"relevance_score"`
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} `json:"results"`
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}
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func (a *AliyunModel) Rerank(modelName *string, query string, documents []string, apiConfig *APIConfig, rerankConfig *RerankConfig) (*RerankResponse, error) {
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if err := a.baseModel.APIConfigCheck(apiConfig); err != nil {
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return nil, err
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}
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if len(documents) == 0 {
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return &RerankResponse{}, 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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resolvedBaseURL, err := a.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 := resolvedBaseURL
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url := fmt.Sprintf("%s/%s", strings.TrimSuffix(baseURL, "/"), a.baseModel.URLSuffix.Rerank)
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var topN = rerankConfig.TopN
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if rerankConfig.TopN == 0 {
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topN = len(documents)
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}
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reqBody := aliyunRerankRequest{
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Model: *modelName,
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Query: query,
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Documents: documents,
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TopN: topN,
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ReturnDocuments: false,
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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(context.Background(), 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 := a.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("Aliyun rerank API error: %s, body: %s", resp.Status, string(body))
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}
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var rerankResponse RerankResponse
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if err = json.Unmarshal(body, &rerankResponse); err != nil {
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return nil, fmt.Errorf("failed to parse response: %w", err)
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}
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return &rerankResponse, nil
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}
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|
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// TranscribeAudio transcribe audio
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func (a *AliyunModel) TranscribeAudio(modelName *string, file *string, apiConfig *APIConfig, asrConfig *ASRConfig) (*ASRResponse, error) {
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return nil, fmt.Errorf("%s, no such method", a.Name())
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}
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func (a *AliyunModel) TranscribeAudioWithSender(modelName *string, file *string, apiConfig *APIConfig, asrConfig *ASRConfig, sender func(*string, *string) error) error {
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return fmt.Errorf("%s, no such method", a.Name())
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}
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|
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// AudioSpeech convert text to audio
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func (a *AliyunModel) AudioSpeech(modelName *string, audioContent *string, apiConfig *APIConfig, ttsConfig *TTSConfig) (*TTSResponse, error) {
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return nil, fmt.Errorf("%s, no such method", a.Name())
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}
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func (a *AliyunModel) AudioSpeechWithSender(modelName *string, audioContent *string, apiConfig *APIConfig, ttsConfig *TTSConfig, sender func(*string, *string) error) error {
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return fmt.Errorf("%s, no such method", a.Name())
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}
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// OCRFile OCR file
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func (a *AliyunModel) OCRFile(modelName *string, content []byte, url *string, apiConfig *APIConfig, ocrConfig *OCRConfig) (*OCRFileResponse, error) {
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return nil, fmt.Errorf("%s, no such method", a.Name())
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}
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// ParseFile parse file
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func (a *AliyunModel) ParseFile(modelName *string, content []byte, url *string, apiConfig *APIConfig, parseFileConfig *ParseFileConfig) (*ParseFileResponse, error) {
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return nil, fmt.Errorf("%s, no such method", a.Name())
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}
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type AliyunModelItem struct {
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ModelName string `json:"model_name"`
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BaseCapacity int `json:"base_capacity"`
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}
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type AliyunModelOutput struct {
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|
Models []AliyunModelItem `json:"models"`
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|
PageNo int `json:"page_no"`
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|
PageSize int `json:"page_size"`
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|
Total int `json:"total"`
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}
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|
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|
type AliyunModelList struct {
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|
RequestID string `json:"request_id"`
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|
Output AliyunModelOutput `json:"output"`
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|
}
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func (a *AliyunModel) ListModels(apiConfig *APIConfig) ([]ListModelResponse, error) {
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|
if err := a.baseModel.APIConfigCheck(apiConfig); err != nil {
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|
return nil, err
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|
}
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|
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|
resolvedBaseURL, err := a.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 := resolvedBaseURL
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|
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url := fmt.Sprintf("%s/%s", strings.TrimSuffix(baseURL, "/"), a.baseModel.URLSuffix.Models)
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|
|
// Build request body
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reqBody := map[string]interface{}{}
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|
|
|
jsonData, err := json.Marshal(reqBody)
|
|
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(context.Background(), nonStreamCallTimeout)
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|
defer cancel()
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|
|
|
req, err := http.NewRequestWithContext(ctx, "GET", url, bytes.NewBuffer(jsonData))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to create request: %w", err)
|
|
}
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|
|
|
req.Header.Set("Content-Type", "application/json")
|
|
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", *apiConfig.ApiKey))
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|
|
|
resp, err := a.baseModel.httpClient.Do(req)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to send request: %w", err)
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|
}
|
|
defer resp.Body.Close()
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|
|
|
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("API request failed with status %d: %s", resp.StatusCode, string(body))
|
|
}
|
|
|
|
var modelList ModelList
|
|
if err = json.Unmarshal(body, &modelList); err != nil {
|
|
return nil, fmt.Errorf("failed to parse response: %w", err)
|
|
}
|
|
|
|
return ParseListModel(modelList), nil
|
|
}
|
|
|
|
func (a *AliyunModel) Balance(apiConfig *APIConfig) (map[string]interface{}, error) {
|
|
return nil, fmt.Errorf("%s, no such method", a.Name())
|
|
}
|
|
|
|
func (a *AliyunModel) CheckConnection(apiConfig *APIConfig) error {
|
|
_, err := a.ListModels(apiConfig)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (a *AliyunModel) ListTasks(apiConfig *APIConfig) ([]ListTaskStatus, error) {
|
|
return nil, fmt.Errorf("%s, no such method", a.Name())
|
|
}
|
|
|
|
func (a *AliyunModel) ShowTask(taskID string, apiConfig *APIConfig) (*TaskResponse, error) {
|
|
return nil, fmt.Errorf("%s, no such method", a.Name())
|
|
}
|