57 lines
2.0 KiB
Go
57 lines
2.0 KiB
Go
package app
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import (
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"fmt"
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"regexp"
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"strings"
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"unicode/utf8"
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)
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var cloudAgentMediaMention = regexp.MustCompile(`@(图片|视频|音频)[0-9]+`)
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// Slot labels follow each media array's order, matching the canvas editor and
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// provider inputs. Text source edges do not consume a media slot.
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func cloudAgentMediaReferencePrompt(prompt string, refs map[string]any) (string, error) {
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type reference struct{ token, title string }
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references := []reference{}
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available := map[string]bool{}
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for _, kind := range []struct{ field, label string }{
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{"referenceImages", "图片"}, {"referenceVideos", "视频"}, {"referenceAudios", "音频"},
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} {
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for index, ref := range creationMaps(refs[kind.field]) {
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token := fmt.Sprintf("@%s%d", kind.label, index+1)
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available[token] = true
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// Transient annotation images have no canvas node to render as a chip.
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if stringValue(ref["storageKey"]) == "" {
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continue
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}
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title := strings.Join(strings.Fields(stringValue(ref["name"])), " ")
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title = strings.ReplaceAll(title, "@", "＠")
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if title == "" {
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title = kind.label + "参考"
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}
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references = append(references, reference{token, title})
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}
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}
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mentioned := map[string]bool{}
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for _, token := range cloudAgentMediaMention.FindAllString(prompt, -1) {
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if !available[token] {
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return "", BadAuthRequest(fmt.Sprintf("提示词中的 %s 没有对应的参考素材；请按 referenceNodeIds 中各媒体类型的顺序修正引用", token))
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}
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mentioned[token] = true
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}
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missing := []string{}
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for _, ref := range references {
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if !mentioned[ref.token] {
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missing = append(missing, ref.title+"："+ref.token)
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}
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}
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if len(missing) > 0 {
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prompt += "\n\n【资产参考】\n" + strings.Join(missing, "\n")
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}
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if count := utf8.RuneCountInString(prompt); count > 16000 {
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return "", BadAuthRequest(fmt.Sprintf("补齐素材引用后的提示词共%d字符，超过16000字符上限；请缩短提示词后重试，不会自动截断", count))
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}
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return prompt, nil
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}
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