init

frontweb/src/utils/canvasWorkflow.js

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+import { parseDramaMetadata } from './canvasLayout'
+
+export const DEFAULT_PIPELINE = ['image', 'video', 'audio']
+
+export function parseWorkflowGroups(metadata) {
+  const meta = parseDramaMetadata(metadata)
+  const groups = meta.workflow_groups
+  return Array.isArray(groups) ? groups : []
+}
+
+export function storyboardIdFromNodeId(nodeId) {
+  if (!nodeId || typeof nodeId !== 'string') return null
+  if (!nodeId.startsWith('sb:')) return null
+  const id = Number(nodeId.slice(3))
+  return Number.isFinite(id) ? id : null
+}
+
+export function nodeIdFromStoryboardId(storyboardId) {
+  return `sb:${storyboardId}`
+}
+
+export function getStoryboardGroupMap(workflowGroups) {
+  const map = new Map()
+  for (const group of workflowGroups || []) {
+    for (const sbId of group.storyboard_ids || []) {
+      map.set(Number(sbId), group)
+    }
+  }
+  return map
+}
+
+export function createWorkflowGroup(existingGroups, { title, storyboardIds, pipeline = DEFAULT_PIPELINE }) {
+  const ids = [...new Set((storyboardIds || []).map(Number).filter(Number.isFinite))]
+  if (!ids.length) throw new Error('请至少选择一个分镜')
+  const group = {
+    id: `wg-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
+    title: title || `工作流 ${(existingGroups?.length || 0) + 1}`,
+    storyboard_ids: ids,
+    pipeline: normalizePipeline(pipeline),
+    created_at: new Date().toISOString(),
+  }
+  return [...(existingGroups || []), group]
+}
+
+export function deleteWorkflowGroup(existingGroups, groupId) {
+  return (existingGroups || []).filter((g) => g.id !== groupId)
+}
+
+export function normalizePipeline(pipeline) {
+  const allowed = ['image', 'video', 'audio']
+  const list = Array.isArray(pipeline) ? pipeline.filter((s) => allowed.includes(s)) : []
+  return list.length ? list : [...DEFAULT_PIPELINE]
+}
+
+export function findStoryboardInDrama(drama, storyboardId) {
+  for (const ep of drama?.episodes || []) {
+    const sb = (ep.storyboards || []).find((s) => s.id === storyboardId)
+    if (sb) return { storyboard: sb, episode: ep }
+  }
+  return null
+}
+
+export function getDramaGenerationOptions(drama) {
+  const meta = parseDramaMetadata(drama?.metadata)
+  return {
+    aspectRatio: meta.aspect_ratio || '16:9',
+    style: meta.style_prompt_en || meta.style_prompt_zh || drama?.style || '',
+    videoResolution: meta.video_resolution || '480p',
+  }
+}
+
+export function toAbsoluteMediaUrl(url) {
+  if (!url) return ''
+  if (/^https?:\/\//i.test(url)) return url
+  if (typeof window !== 'undefined') {
+    const path = url.startsWith('/') ? url : `/static/${url.replace(/^\//, '')}`
+    return `${window.location.origin}${path}`
+  }
+  return url
+}