Files
ai-agent/internal/ai/rag/index_faq_helpers.go
T
t 18c9354095 refactor: 将客服后端重构为宿主可嵌入模块
- 注入数据库、运行时配置、统一响应、文件存储和平台 AI 能力,补充业务读写工具与客户快捷操作契约。

- 移除模块内重复的组织、客户、工单、标签、技能、旧工作流、MCP 和迁移实现,将身份权限与业务主体交由宿主管理。

- 使用 libSQL 重构向量存储,并完善图片消息、访客身份、排队调度、企业微信和支持聊天页面。

- 统一 HTTP、DTO 与 WebSocket 的 snake_case 协议,补齐模块初始化、业务动作和公共载荷等回归测试。
2026-08-28 22:23:13 +08:00

65 lines
2.4 KiB
Go

package rag
import (
"context"
"fmt"
"time"
"code.tczkiot.com/wlw/ai-agent/internal/ai"
"code.tczkiot.com/wlw/ai-agent/internal/ai/rag/vectordb"
"code.tczkiot.com/wlw/ai-agent/internal/models"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/enums"
)
func buildFAQChunkModel(knowledgeBase models.KnowledgeBase, faq models.KnowledgeFAQ, content string) (models.KnowledgeChunk, string) {
chunkID := buildKnowledgeFAQChunkVectorID(knowledgeBase.ID, faq.ID, 0)
now := time.Now()
sectionPath := loadKnowledgeDirectoryPath(faq.DirectoryID)
return models.KnowledgeChunk{
KnowledgeBaseID: knowledgeBase.ID,
FaqID: faq.ID,
ChunkNo: 0,
Title: faq.Question,
Content: content,
ContentHash: buildChunkContentHash(content),
CharCount: len([]rune(content)),
TokenCount: len([]rune(content)) / 2,
ChunkType: string(enums.KnowledgeChunkTypeFAQ),
SectionPath: sectionPath,
Provider: string(enums.KnowledgeChunkProviderFAQ),
VectorID: chunkID,
Status: enums.StatusOk,
CreatedAt: now,
UpdatedAt: now,
}, chunkID
}
func (s *index) prepareFAQVector(ctx context.Context, knowledgeBase models.KnowledgeBase, faq models.KnowledgeFAQ, content string) (vectordb.Vector, models.KnowledgeChunk, int, error) {
embeddingBase := fmt.Sprintf("knowledge-index:base:%d:faq:%d:version:%d", knowledgeBase.ID, faq.ID, faq.UpdatedAt.UnixNano())
embeddingCtx := ai.WithPlatformAIRequestScope(ctx, embeddingBase)
embeddingCtx = ai.WithPlatformAIRequestPurpose(embeddingCtx, "embedding.faq-index")
embeddingResult, err := ai.Embedding.GenerateEmbedding(embeddingCtx, content)
if err != nil {
return vectordb.Vector{}, models.KnowledgeChunk{}, 0, fmt.Errorf("failed to generate embedding for faq %d: %w", faq.ID, err)
}
chunkModel, chunkID := buildFAQChunkModel(knowledgeBase, faq, content)
sectionPath := chunkModel.SectionPath
vector := vectordb.Vector{
ID: chunkID,
Vector: embeddingResult.Vector,
Payload: vectordb.ChunkPayload{
KnowledgeBaseID: knowledgeBase.ID,
FaqID: faq.ID,
FaqQuestion: faq.Question,
ChunkNo: 0,
ChunkType: string(enums.KnowledgeChunkTypeFAQ),
SectionPath: sectionPath,
Content: content,
Title: faq.Question,
Provider: string(enums.KnowledgeChunkProviderFAQ),
},
}
return vector, chunkModel, embeddingResult.Dimension, nil
}