284 lines
7.8 KiB
Go
284 lines
7.8 KiB
Go
package job
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import (
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"context"
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"fmt"
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"strings"
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app "haixun-backend/internal/library/errors"
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"haixun-backend/internal/library/errors/code"
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"haixun-backend/internal/library/placement"
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libviral "haixun-backend/internal/library/viral"
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domai "haixun-backend/internal/model/ai/domain/usecase"
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aiusecase "haixun-backend/internal/model/ai/usecase"
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jobdom "haixun-backend/internal/model/job/domain/usecase"
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personaentity "haixun-backend/internal/model/persona/domain/entity"
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personadomain "haixun-backend/internal/model/persona/domain/usecase"
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placementusecase "haixun-backend/internal/model/placement/usecase"
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scanpostusecase "haixun-backend/internal/model/scan_post/domain/usecase"
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threadsaccountdomain "haixun-backend/internal/model/threads_account/domain/usecase"
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)
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type ScanViralDeps struct {
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Jobs jobdom.UseCase
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Persona personadomain.UseCase
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ScanPost scanpostusecase.UseCase
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ThreadsAccount threadsaccountdomain.UseCase
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Placement placementusecase.UseCase
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AI aiusecase.UseCase
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}
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func RegisterScanViralHandler(runner *Runner, deps ScanViralDeps) {
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if runner == nil {
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return
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}
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runner.RegisterStepHandler("viral_crawl", func(ctx context.Context, step StepContext) error {
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return runScanViral(ctx, step, deps)
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})
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}
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func runScanViral(ctx context.Context, step StepContext, deps ScanViralDeps) error {
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payload := step.Run.Payload
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tenantID := stringField(payload, "tenant_id")
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ownerUID := stringField(payload, "owner_uid")
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personaID := personaIDFromPayload(payload)
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if tenantID == "" || ownerUID == "" || personaID == "" {
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return fmt.Errorf("scan-viral payload missing tenant_id, owner_uid, or persona_id")
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}
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persona, err := deps.Persona.Get(ctx, tenantID, ownerUID, personaID)
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if err != nil {
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return err
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}
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research, err := deps.Placement.ResearchSettings(ctx, tenantID, ownerUID)
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if err != nil {
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return err
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}
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memberCtx, err := deps.ThreadsAccount.ResolveMemberPlacementContext(ctx, tenantID, ownerUID, research)
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if err != nil {
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return err
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}
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if !memberCtx.AllowsThreadsAPI && !memberCtx.AllowsCrawler {
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return fmt.Errorf("爆款掃描需要 Threads API 或 Chrome Session（開發模式）")
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}
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if memberCtx.DevMode && !memberCtx.BrowserConnected {
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return fmt.Errorf("開發模式需先同步 Chrome Session")
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}
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updateProgress := func(summary string, percentage int) {
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_ = step.Heartbeat(ctx)
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_, _ = deps.Jobs.UpdateProgress(ctx, jobdom.UpdateProgressRequest{
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JobID: step.JobID,
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WorkerID: step.WorkerID,
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Phase: "viral_crawl",
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Summary: summary,
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Percentage: percentage,
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})
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}
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bootstrap := boolField(payload, "bootstrap")
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if bootstrap && persona.CopyResearchMap.AudienceSummary == "" && len(persona.CopyResearchMap.SuggestedTags) == 0 {
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updateProgress("產生拷貝忍者研究地圖…", 8)
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if err := ensureCopyResearchMap(ctx, deps, tenantID, ownerUID, persona, memberCtx, updateProgress); err != nil {
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return err
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}
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persona, err = deps.Persona.Get(ctx, tenantID, ownerUID, personaID)
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if err != nil {
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return err
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}
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}
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keywords := stringSliceField(payload, "keywords")
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if len(keywords) == 0 {
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keywords = deriveViralKeywords(persona)
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}
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if len(keywords) == 0 {
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return fmt.Errorf("請提供爆款掃描關鍵字，或先完成研究地圖／對標帳號")
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}
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exclusions := persona.CopyResearchMap.Exclusions
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updateProgress("準備爆款掃描…", 12)
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crawlerFn := makeCrawlerSearchFn(ScanPlacementDeps{ThreadsAccount: deps.ThreadsAccount}, tenantID, ownerUID)
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candidates, err := libviral.RunDiscover(ctx, libviral.DiscoverInput{
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Keywords: keywords,
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Exclusions: exclusions,
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Member: memberCtx,
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Crawler: crawlerFn,
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}, updateProgress)
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if err != nil {
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return err
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}
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updateProgress(fmt.Sprintf("寫入 %d 篇爆款候選…", len(candidates)), 92)
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count, err := deps.ScanPost.ReplaceFromViralScan(ctx, scanpostusecase.ViralReplaceRequest{
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TenantID: tenantID,
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OwnerUID: ownerUID,
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PersonaID: personaID,
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ScanJobID: step.JobID,
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Posts: candidates,
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})
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if err != nil {
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return err
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}
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handoff := map[string]any{
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"flow": "copy",
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"persona_id": personaID,
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"summary": fmt.Sprintf("爆款掃描完成：%d 篇候選", count),
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"next_route": "/matrix",
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}
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_, err = deps.Jobs.CompleteRun(ctx, jobdom.CompleteRunRequest{
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JobID: step.JobID,
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WorkerID: step.WorkerID,
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Result: map[string]any{
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"post_count": count,
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"handoff": handoff,
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},
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})
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return err
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}
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func ensureCopyResearchMap(
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ctx context.Context,
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deps ScanViralDeps,
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tenantID, ownerUID string,
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persona *personadomain.PersonaSummary,
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memberCtx placement.MemberContext,
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updateProgress func(string, int),
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) error {
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if persona == nil {
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return fmt.Errorf("copy research map: missing persona")
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}
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credential, err := deps.ThreadsAccount.ResolveMemberAiCredential(ctx, tenantID, ownerUID)
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if err != nil {
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return err
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}
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providerID, err := aiusecase.MapWorkerProvider(credential.Provider)
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if err != nil {
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return err
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}
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label := strings.TrimSpace(persona.DisplayName)
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if label == "" {
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label = "拷貝主題"
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}
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seed := strings.TrimSpace(persona.SeedQuery)
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if seed == "" {
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seed = strings.TrimPrefix(strings.TrimSpace(persona.StyleBenchmark), "@")
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}
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if seed == "" {
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for _, line := range strings.Split(strings.TrimSpace(persona.Brief), "\n") {
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line = strings.TrimSpace(line)
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if line != "" {
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seed = line
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break
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}
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}
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}
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result, err := deps.AI.GenerateText(ctx, domai.GenerateRequest{
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Provider: providerID,
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Model: credential.Model,
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Credential: domai.Credential{
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APIKey: credential.APIKey,
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},
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System: libviral.BuildCopyResearchMapSystemPrompt(),
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Messages: []domai.Message{
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{
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Role: "user",
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Content: libviral.BuildCopyResearchMapUserPrompt(libviral.CopyResearchMapInput{
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Label: label,
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SeedQuery: seed,
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Brief: persona.Brief,
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Persona: persona.Persona,
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StyleBenchmark: persona.StyleBenchmark,
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}),
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},
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},
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})
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if err != nil {
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return err
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}
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parsed, err := libviral.ParseCopyResearchMapOutput(result.Text)
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if err != nil {
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return app.For(code.AI).SvcThirdParty("拷貝研究地圖 LLM 回傳無法解析：" + err.Error())
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}
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entityMap := personaentity.CopyResearchMap{
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AudienceSummary: parsed.AudienceSummary,
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ContentGoal: parsed.ContentGoal,
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Questions: parsed.Questions,
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Pillars: parsed.Pillars,
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Exclusions: parsed.Exclusions,
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SuggestedTags: parsed.SuggestedTags,
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BenchmarkNotes: parsed.BenchmarkNotes,
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}
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patch := personadomain.PersonaPatch{
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CopyResearchMap: &entityMap,
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}
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if seed != "" && strings.TrimSpace(persona.SeedQuery) == "" {
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patch.SeedQuery = &seed
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}
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_, err = deps.Persona.Update(ctx, personadomain.UpdateRequest{
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TenantID: tenantID,
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OwnerUID: ownerUID,
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PersonaID: persona.ID,
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Patch: patch,
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})
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if err != nil {
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return err
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}
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if updateProgress != nil {
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updateProgress("研究地圖已就緒", 10)
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}
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_ = memberCtx
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return nil
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}
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func personaIDFromPayload(payload map[string]any) string {
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if id := stringField(payload, "persona_id"); id != "" {
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return id
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}
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return stringField(payload, "scope_id")
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}
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func deriveViralKeywords(persona *personadomain.PersonaSummary) []string {
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if persona == nil {
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return nil
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}
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out := []string{}
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seen := map[string]struct{}{}
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add := func(kw string) {
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kw = strings.TrimSpace(kw)
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if kw == "" {
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return
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}
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if _, ok := seen[kw]; ok {
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return
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}
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seen[kw] = struct{}{}
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out = append(out, kw)
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}
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for _, tag := range persona.CopyResearchMap.SuggestedTags {
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add(tag)
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}
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for _, q := range persona.CopyResearchMap.Questions {
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add(q)
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}
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if bench := strings.TrimPrefix(strings.TrimSpace(persona.StyleBenchmark), "@"); bench != "" {
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add(bench)
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}
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for _, line := range strings.Split(strings.TrimSpace(persona.Brief), "\n") {
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line = strings.TrimSpace(line)
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if line != "" {
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add(line)
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break
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}
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}
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return out
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}
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