102 lines
3.0 KiB
Go
102 lines
3.0 KiB
Go
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package viral
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import (
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"encoding/json"
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"fmt"
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"strings"
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)
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type ViralAnalysis struct {
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HookPattern string `json:"hookPattern"`
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StructurePattern string `json:"structurePattern"`
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EmotionalTrigger string `json:"emotionalTrigger"`
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ReplicationStrategy string `json:"replicationStrategy"`
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KeyTakeaways []string `json:"keyTakeaways"`
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}
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type AnalyzeViralInput struct {
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PostText string
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AuthorName string
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LikeCount int
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ReplyCount int
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SearchTag string
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TopicLabel string
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TopicBrief string
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Persona string
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}
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func BuildAnalyzeViralSystemPrompt() string {
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return strings.TrimSpace(`你是 Threads 爆款結構分析師。拆解貼文為什麼會紅、怎麼仿寫結構，不要建議抄襲原文。
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只回傳 JSON：hookPattern, structurePattern, emotionalTrigger, replicationStrategy, keyTakeaways（字串陣列 3～5 項）。繁體中文。`)
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}
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func BuildAnalyzeViralUserPrompt(in AnalyzeViralInput) string {
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var b strings.Builder
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b.WriteString("主題：")
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b.WriteString(strings.TrimSpace(in.TopicLabel))
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b.WriteString("\n")
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if brief := strings.TrimSpace(in.TopicBrief); brief != "" {
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b.WriteString("Brief：")
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b.WriteString(brief)
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b.WriteString("\n")
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}
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if tag := strings.TrimSpace(in.SearchTag); tag != "" {
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b.WriteString("搜尋標籤：")
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b.WriteString(tag)
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b.WriteString("\n")
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}
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author := strings.TrimSpace(in.AuthorName)
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if author == "" {
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author = "匿名"
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}
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b.WriteString(fmt.Sprintf("\n作者 @%s · %d 讚 · %d 留言\n", author, in.LikeCount, in.ReplyCount))
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b.WriteString("\n貼文：\n")
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b.WriteString(strings.TrimSpace(in.PostText))
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return b.String()
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}
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func ParseAnalyzeViralOutput(raw string) (ViralAnalysis, error) {
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payload, err := extractCopyMapJSON(raw)
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if err != nil {
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return ViralAnalysis{}, err
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}
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var out ViralAnalysis
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if err := json.Unmarshal(payload, &out); err != nil {
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return ViralAnalysis{}, fmt.Errorf("parse viral analysis: %w", err)
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}
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if strings.TrimSpace(out.HookPattern) == "" && strings.TrimSpace(out.StructurePattern) == "" {
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return ViralAnalysis{}, fmt.Errorf("viral analysis missing content")
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}
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return out, nil
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}
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func FormatAnalysisForReplicate(analysis ViralAnalysis) string {
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var b strings.Builder
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if hook := strings.TrimSpace(analysis.HookPattern); hook != "" {
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b.WriteString("Hook 模式：")
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b.WriteString(hook)
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b.WriteString("\n")
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}
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if structure := strings.TrimSpace(analysis.StructurePattern); structure != "" {
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b.WriteString("結構節奏：")
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b.WriteString(structure)
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b.WriteString("\n")
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}
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if emotion := strings.TrimSpace(analysis.EmotionalTrigger); emotion != "" {
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b.WriteString("情緒觸發：")
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b.WriteString(emotion)
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b.WriteString("\n")
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}
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if strategy := strings.TrimSpace(analysis.ReplicationStrategy); strategy != "" {
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b.WriteString("仿寫策略：")
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b.WriteString(strategy)
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b.WriteString("\n")
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}
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if len(analysis.KeyTakeaways) > 0 {
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b.WriteString("重點：")
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b.WriteString(strings.Join(analysis.KeyTakeaways, "；"))
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}
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return strings.TrimSpace(b.String())
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}
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