Files
ai-agent/workflow/service/flow/lambda_segment_resume.go
T

55 lines
2.1 KiB
Go

package flow
import (
"sort"
"ai-agent/workflow/model/entity"
"github.com/gogf/gf/v2/util/gconv"
)
// segmentGenerateMaxAttempts 视频段生成最大尝试次数(失败自动重试 1 次,共 2 次尝试),参数化可调
const segmentGenerateMaxAttempts = 2
// planSegmentResume 段级续跑决策:把 paramsList 各段映射到"是否需重新生成"。
// savedMap 为该节点已成功段(段序号 → {key,url});段在表中缺失或地址为空则需重新生成。
// 返回值与 paramsList 对齐。全新执行(savedMap 为 nil/空)时全部需生成。
func planSegmentResume(paramsList []map[string]any, savedMap map[int]entity.SegmentRef) (idxList []int, needGen []bool) {
idxList = make([]int, len(paramsList))
needGen = make([]bool, len(paramsList))
for i, params := range paramsList {
idx := gconv.Int(params["segment_index"])
idxList[i] = idx
ref, ok := savedMap[idx]
needGen[i] = !ok || ref.URL == ""
}
return
}
// mergeSegmentOutputs 把复用段与新生段按段序号升序合并为 concat 输入列表(列表顺序即拼接顺序)。
// 复用段重建 {key:url} 记录(key 保持模型原输出字段,避免下游引用失配);新生段沿用模型原输出。
// 任一段既无复用又无生成结果(生成空)则跳过——与现有"空段贡献空"行为一致,最终由 concat 校验兜底。
func mergeSegmentOutputs(idxList []int, needGen []bool, newRes [][]map[string]any, savedMap map[int]entity.SegmentRef) []map[string]any {
type segOutput struct {
idx int
recs []map[string]any
}
out := make([]segOutput, 0, len(idxList))
for i, idx := range idxList {
if needGen[i] {
if len(newRes[i]) > 0 {
out = append(out, segOutput{idx: idx, recs: newRes[i]})
}
continue
}
if ref, ok := savedMap[idx]; ok && ref.URL != "" {
out = append(out, segOutput{idx: idx, recs: []map[string]any{{ref.Key: ref.URL}}})
}
}
sort.SliceStable(out, func(a, b int) bool { return out[a].idx < out[b].idx })
var merged []map[string]any
for _, o := range out {
merged = append(merged, o.recs...)
}
return merged
}