367 lines
15 KiB
Go
367 lines
15 KiB
Go
package httpapi
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import (
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"context"
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"database/sql"
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"encoding/json"
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"errors"
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"log"
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"strconv"
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"strings"
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"time"
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"git.118im.com/im_team/im_workbench/internal/ai"
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"git.118im.com/im_team/im_workbench/internal/events"
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"git.118im.com/im_team/im_workbench/internal/store"
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)
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const (
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aiWorkerCount = 2
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aiWorkerPollInterval = time.Second
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aiTaskRunTimeout = 3 * time.Minute
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)
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type aiDocumentTaskSnapshot struct {
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SourceText string `json:"source_text"`
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TitleHint string `json:"title_hint"`
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DocumentType string `json:"document_type"`
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Language string `json:"language"`
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}
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type aiTableTaskSnapshot struct {
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FileID string `json:"file_id"`
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FileName string `json:"file_name"`
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FileType string `json:"file_type"`
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FileSize int64 `json:"file_size"`
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Topic string `json:"topic"`
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SheetName string `json:"sheet_name"`
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Language string `json:"language"`
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RecordID string `json:"record_id"`
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}
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type aiMeetingSummaryTaskSnapshot struct {
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MeetingID string `json:"meeting_id"`
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SummaryID string `json:"summary_id"`
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FileIDs []string `json:"file_ids"`
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SummaryType string `json:"summary_type"`
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ForceRegenerate bool `json:"force_regenerate"`
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}
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func (a *API) StartAIWorkers(ctx context.Context) {
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if a == nil || a.store == nil || a.ai == nil {
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return
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}
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for i := 0; i < aiWorkerCount; i++ {
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go a.aiWorkerLoop(ctx, i+1)
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}
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}
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func (a *API) aiWorkerLoop(ctx context.Context, workerID int) {
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ticker := time.NewTicker(aiWorkerPollInterval)
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defer ticker.Stop()
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for {
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task, err := a.store.ClaimQueuedAITask(ctx)
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if errors.Is(err, store.ErrNotFound) {
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select {
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case <-ctx.Done():
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return
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case <-ticker.C:
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continue
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}
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}
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if err != nil {
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log.Printf("ai worker claim failed: worker=%d err=%v", workerID, err)
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select {
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case <-ctx.Done():
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return
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case <-ticker.C:
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continue
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}
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}
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a.runAITask(ctx, task)
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}
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}
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func (a *API) runAITask(parent context.Context, task *store.AITask) {
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ctx, cancel := context.WithTimeout(parent, aiTaskRunTimeout)
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defer cancel()
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st, err := a.store.ForTenant(ctx, task.TenantID, task.TenantCode)
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if err != nil {
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log.Printf("ai task tenant store failed: task_id=%s tenant_id=%d err=%v", task.TaskID, task.TenantID, err)
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return
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}
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switch task.Feature {
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case "smart_document":
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a.runAIDocumentTask(ctx, st, task)
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case "smart_table":
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a.runAITableTask(ctx, st, task)
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case "meeting_summary":
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a.runAIMeetingSummaryTask(ctx, st, task)
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default:
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a.finishAITaskFailure(ctx, st, task, "AI_TASK_UNSUPPORTED", "unsupported ai task feature")
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}
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}
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func (a *API) runAIDocumentTask(ctx context.Context, st *store.Store, task *store.AITask) {
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var input aiDocumentTaskSnapshot
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if !decodeTaskSnapshot(task, &input) {
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a.finishAITaskFailure(ctx, st, task, reasonMalformedRequest, "invalid task input")
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return
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}
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result, err := a.ai.GenerateDocument(ctx, strings.TrimSpace(input.SourceText), strings.TrimSpace(input.TitleHint), strings.TrimSpace(input.DocumentType), strings.TrimSpace(input.Language))
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if err != nil {
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a.finishAITaskAIError(ctx, st, task, err, hashText(input.SourceText))
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return
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}
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taskResult := map[string]any{
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"title": result.Title,
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"summary": result.Summary,
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"content_markdown": result.ContentMarkdown,
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"content_plain": result.ContentPlain,
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"sections": result.Sections,
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"source_excerpt": excerpt(input.SourceText, 200),
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"can_save": true,
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}
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ok, err := st.FinishAITaskResult(ctx, task.TaskID, "succeeded", 100, "", taskResult, "", "")
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if err != nil {
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log.Printf("ai document task finish failed: task_id=%s err=%v", task.TaskID, err)
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return
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}
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if !ok {
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return
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}
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userID := taskUserID(task)
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_ = st.InsertAIUsageLog(ctx, store.AIUsageLog{
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TenantCode: task.TenantCode, UserID: task.UserID, Feature: "smart_document", TaskID: task.TaskID,
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Provider: "deepseek", Model: result.Usage.Model, ProviderRequestID: result.Usage.ProviderRequestID,
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PromptTokens: result.Usage.PromptTokens, CompletionTokens: result.Usage.CompletionTokens, TotalTokens: result.Usage.TotalTokens,
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LatencyMS: int(result.Usage.LatencyMS), Status: "succeeded", InputHash: hashText(input.SourceText), OutputHash: hashText(result.ContentMarkdown),
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})
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a.publishAITaskEvent(ctx, task.TenantID, task.TenantCode, userID, task.TaskID, "smart_document", result.Title, result.Summary, map[string]any{
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"task_id": task.TaskID, "feature": "smart_document", "status": "succeeded", "progress": 100, "result_type": "text",
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"result": compactAITextResult(result.Title, result.Summary, result.ContentMarkdown, result.ContentPlain),
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"updated_at": time.Now().UTC().Format(time.RFC3339Nano),
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})
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}
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func (a *API) runAITableTask(ctx context.Context, st *store.Store, task *store.AITask) {
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var input aiTableTaskSnapshot
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if !decodeTaskSnapshot(task, &input) {
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a.finishAITaskFailure(ctx, st, task, reasonMalformedRequest, "invalid task input")
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return
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}
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fileType := strings.ToLower(strings.TrimSpace(input.FileType))
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fileMeta := st.AIFileMetadata(ctx, input.FileID)
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profile := a.tableProfileForAIContext(ctx, input.FileID, fileMeta, fileType)
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result, err := a.ai.AnalyzeTable(ctx, ai.TableAnalysisInput{
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Topic: input.Topic, FileID: input.FileID, FileName: input.FileName, FileType: fileType, FileSize: input.FileSize, Profile: profile,
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})
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if err != nil {
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a.finishAITaskAIError(ctx, st, task, err, hashText(input.FileID+":"+input.Topic))
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return
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}
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recordID := strings.TrimSpace(input.RecordID)
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if recordID == "" {
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recordID = "airec_tbl_" + randomToken(10)
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}
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if err := st.SaveAITableAnalysis(ctx, task.TenantCode, taskUserID(task), store.AIRecord{
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RecordID: recordID, RecordType: "smart_table", Title: result.Title, Summary: excerpt(firstNonEmpty(result.Summary, result.Interpretation), 160),
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Status: "succeeded", TaskID: task.TaskID,
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}, store.AITableAnalysis{
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RecordID: recordID, FileID: input.FileID, FileName: input.FileName, FileType: fileType, FileSize: input.FileSize,
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Topic: input.Topic, MetricsJSON: mustJSON(result.Metrics, "[]"), PreviewJSON: mustJSON(result.Preview, "{}"),
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AlertsJSON: mustJSON(result.Alerts, "[]"), Interpretation: result.Interpretation,
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PromptVersion: "smart_table_v1", Model: result.Usage.Model,
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}); err != nil {
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a.finishAITaskFailure(ctx, st, task, reasonAITaskFailed, err.Error())
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return
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}
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taskResult := map[string]any{"record_id": recordID, "title": result.Title, "metrics": result.Metrics, "alerts": result.Alerts, "interpretation": result.Interpretation}
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ok, err := st.FinishAITaskResult(ctx, task.TaskID, "succeeded", 100, recordID, taskResult, "", "")
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if err != nil {
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log.Printf("ai table task finish failed: task_id=%s err=%v", task.TaskID, err)
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return
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}
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if !ok {
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return
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}
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_ = st.InsertAIUsageLog(ctx, store.AIUsageLog{
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TenantCode: task.TenantCode, UserID: task.UserID, Feature: "smart_table", TaskID: task.TaskID,
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Provider: "deepseek", Model: result.Usage.Model, ProviderRequestID: result.Usage.ProviderRequestID,
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PromptTokens: result.Usage.PromptTokens, CompletionTokens: result.Usage.CompletionTokens, TotalTokens: result.Usage.TotalTokens,
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LatencyMS: int(result.Usage.LatencyMS), Status: "succeeded", InputHash: hashText(input.FileID + ":" + input.Topic), OutputHash: hashText(result.Interpretation),
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})
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a.publishAITaskEvent(ctx, task.TenantID, task.TenantCode, taskUserID(task), task.TaskID, "smart_table", result.Title, result.Summary, map[string]any{
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"task_id": task.TaskID, "feature": "smart_table", "status": "succeeded", "progress": 100, "result_type": "record",
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"record_id": recordID,
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"result": map[string]any{"record_id": recordID, "title": result.Title, "summary": excerpt(firstNonEmpty(result.Summary, result.Interpretation), 160)},
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"updated_at": time.Now().UTC().Format(time.RFC3339Nano),
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})
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}
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func (a *API) runAIMeetingSummaryTask(ctx context.Context, st *store.Store, task *store.AITask) {
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var input aiMeetingSummaryTaskSnapshot
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if !decodeTaskSnapshot(task, &input) {
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a.finishAITaskFailure(ctx, st, task, reasonMalformedRequest, "invalid task input")
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return
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}
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userID := taskUserID(task)
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meeting, err := st.Meeting(ctx, userID, input.MeetingID)
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if err != nil {
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a.finishAITaskFailure(ctx, st, task, reasonAITaskFailed, err.Error())
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return
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}
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files, err := st.MeetingNoteFiles(ctx, userID, input.MeetingID)
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if err != nil {
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a.finishAITaskFailure(ctx, st, task, reasonAITaskFailed, err.Error())
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return
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}
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fileNames, fileIDs := meetingSummaryFiles(files, input.FileIDs)
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result, err := a.ai.SummarizeMeeting(ctx, ai.MeetingSummaryInput{
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MeetingTitle: meeting.Title, StartAt: meeting.StartAt.UTC().Format(time.RFC3339Nano), EndAt: meeting.EndAt.UTC().Format(time.RFC3339Nano),
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Participants: meetingSummaryParticipants(*meeting), Files: fileNames,
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})
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if err != nil {
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a.finishAITaskAIError(ctx, st, task, err, hashText(input.MeetingID+strings.Join(fileIDs, ",")))
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return
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}
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summaryID := strings.TrimSpace(input.SummaryID)
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if summaryID == "" {
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summaryID = "aisum_" + randomToken(10)
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}
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if err := st.UpsertAIMeetingSummary(ctx, task.TenantCode, userID, store.AIMeetingSummary{
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SummaryID: summaryID, MeetingID: input.MeetingID, TaskID: task.TaskID,
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ConclusionsJSON: mustJSON(result.Conclusions, "[]"), DecisionsJSON: mustJSON(result.Decisions, "[]"),
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ActionItemsJSON: mustJSON(result.ActionItems, "[]"), SourceFileIDsJSON: mustJSON(fileIDs, "[]"),
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PromptVersion: "meeting_summary_v1", Model: result.Usage.Model,
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}); err != nil {
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a.finishAITaskFailure(ctx, st, task, reasonAITaskFailed, err.Error())
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return
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}
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taskResult := map[string]any{
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"summary_id": summaryID, "meeting_id": input.MeetingID,
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"conclusions": result.Conclusions, "decisions": result.Decisions, "action_items": result.ActionItems,
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}
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ok, err := st.FinishAITaskResult(ctx, task.TaskID, "succeeded", 100, summaryID, taskResult, "", "")
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if err != nil {
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log.Printf("ai meeting summary task finish failed: task_id=%s err=%v", task.TaskID, err)
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return
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}
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if !ok {
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return
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}
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_ = st.InsertAIUsageLog(ctx, store.AIUsageLog{
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TenantCode: task.TenantCode, UserID: task.UserID, Feature: "meeting_summary", TaskID: task.TaskID,
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Provider: "deepseek", Model: result.Usage.Model, ProviderRequestID: result.Usage.ProviderRequestID,
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PromptTokens: result.Usage.PromptTokens, CompletionTokens: result.Usage.CompletionTokens, TotalTokens: result.Usage.TotalTokens,
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LatencyMS: int(result.Usage.LatencyMS), Status: "succeeded", InputHash: hashText(input.MeetingID + strings.Join(fileIDs, ",")), OutputHash: hashText(mustJSON(result.Conclusions, "[]")),
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})
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a.publishAITaskEvent(ctx, task.TenantID, task.TenantCode, userID, task.TaskID, "meeting_summary", meeting.Title, "", map[string]any{
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"task_id": task.TaskID, "feature": "meeting_summary", "status": "succeeded", "progress": 100, "result_type": "summary",
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"meeting_id": input.MeetingID, "summary_id": summaryID,
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"result": map[string]any{"meeting_id": input.MeetingID, "summary_id": summaryID, "conclusions": result.Conclusions, "decisions": result.Decisions, "action_items": result.ActionItems},
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"updated_at": time.Now().UTC().Format(time.RFC3339Nano),
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})
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}
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func (a *API) finishAITaskAIError(ctx context.Context, st *store.Store, task *store.AITask, err error, inputHash string) {
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reason := aiErrorReason(err)
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a.finishAITaskFailure(ctx, st, task, reason, err.Error())
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_ = st.InsertAIUsageLog(ctx, store.AIUsageLog{
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TenantCode: task.TenantCode, UserID: task.UserID, Feature: task.Feature, TaskID: task.TaskID,
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Provider: "deepseek", Status: "failed", ErrorReason: reason, InputHash: inputHash,
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})
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}
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func (a *API) finishAITaskFailure(ctx context.Context, st *store.Store, task *store.AITask, reason, message string) {
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ok, err := st.FinishAITaskResult(ctx, task.TaskID, "failed", 100, "", nil, reason, message)
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if err != nil {
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log.Printf("ai task failure update failed: task_id=%s reason=%s err=%v", task.TaskID, reason, err)
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return
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}
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if !ok {
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return
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}
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a.publishAITaskEvent(ctx, task.TenantID, task.TenantCode, taskUserID(task), task.TaskID, task.Feature, "AI 任务失败", message, map[string]any{
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"task_id": task.TaskID, "feature": task.Feature, "status": "failed", "progress": 100, "result_type": "none",
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"error": map[string]any{"reason": reason, "message": message},
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"updated_at": time.Now().UTC().Format(time.RFC3339Nano),
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})
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}
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func (a *API) publishAITaskEvent(ctx context.Context, tenantID int64, tenantCode string, userID int64, taskID, feature, title, summary string, data map[string]any) {
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if a == nil || a.events == nil || userID <= 0 || strings.TrimSpace(taskID) == "" {
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return
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}
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event := events.Event{
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EventID: events.StableEventID(tenantID, "ai", "workbench.ai.task.updated", taskID+":"+stringValue(data["status"]), userID),
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TenantID: tenantID,
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TenantCode: tenantCode,
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ActorUserID: userID,
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Module: "ai",
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Action: "workbench.ai.task.updated",
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ResourceID: taskID,
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TargetUserIDs: []int64{userID},
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Title: strings.TrimSpace(title),
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Summary: strings.TrimSpace(summary),
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OccurredAt: time.Now().UTC().Round(time.Millisecond),
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Data: data,
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}
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pubCtx, cancel := context.WithTimeout(ctx, workbenchEventPublishTimeout)
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defer cancel()
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if err := a.events.Publish(pubCtx, event); err != nil {
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log.Printf("ai task event publish failed: event_id=%s task_id=%s feature=%s err=%v", event.EventID, taskID, feature, err)
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}
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}
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func aiTaskSnapshot(value any) (sql.NullString, error) {
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data, err := json.Marshal(value)
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if err != nil {
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return sql.NullString{}, err
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}
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return sql.NullString{String: string(data), Valid: true}, nil
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}
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func decodeTaskSnapshot(task *store.AITask, dst any) bool {
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if task == nil || !task.InputSnapshot.Valid || strings.TrimSpace(task.InputSnapshot.String) == "" {
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return false
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}
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return json.Unmarshal([]byte(task.InputSnapshot.String), dst) == nil
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}
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func (a *API) tableProfileForAIContext(ctx context.Context, fileID string, meta store.AIFileMetadata, fileType string) ai.TableProfile {
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if path := resolveTableFilePath(fileID, meta.Location); path != "" {
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return tableProfileFromPath(path, fileType)
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}
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if strings.TrimSpace(meta.Location) == "" {
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return ai.TableProfile{Parsed: false, Message: "source file metadata is not available"}
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}
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path, cleanup, err := a.downloadOSSObjectToTemp(ctx, meta.Location, fileType)
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if err != nil {
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return ai.TableProfile{Parsed: false, Message: "source file is not available: " + err.Error()}
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}
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defer cleanup()
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return tableProfileFromPath(path, fileType)
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}
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func taskUserID(task *store.AITask) int64 {
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if task == nil {
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return 0
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}
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userID, _ := strconv.ParseInt(strings.TrimSpace(task.UserID), 10, 64)
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return userID
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}
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func compactAITextResult(title, summary, markdown, plain string) map[string]any {
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result := map[string]any{"title": title, "summary": summary, "content_plain": plain}
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if len([]rune(markdown)) <= 8000 {
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result["content_markdown"] = markdown
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}
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return result
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}
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func stringValue(value any) string {
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text, _ := value.(string)
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return strings.TrimSpace(text)
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}
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