101 lines
4.2 KiB
Go
101 lines
4.2 KiB
Go
package flow
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import (
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"ai-agent/workflow/consts/public"
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"ai-agent/workflow/model/entity"
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"context"
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"fmt"
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"gitea.redpowerfuture.com/red-future/common/db/gfdb"
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)
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const (
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FlowAsyncStateInflight = 0 // 任务已提交，结果未取（执行中/结果已发布未取/失败）
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FlowAsyncStateDone = 1 // 成功，结果已缓存
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FlowAsyncStateFailed = 2 // 确定失败
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FlowAsyncSegSentinel = -1 // 非段异步调用的段序号哨兵值
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)
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var FlowAsyncTaskDao = &flowAsyncTaskDao{}
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type flowAsyncTaskDao struct{}
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// Get 查询唯一键 (execution_id, node_id, segment_index) 的记录
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func (d *flowAsyncTaskDao) Get(ctx context.Context, execId int64, nodeId string, segIdx int) (res *entity.FlowAsyncTask, err error) {
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r, err := gfdb.DB(ctx, public.DbNameBlackDeacon).Model(ctx, public.TableNameFlowAsyncTask).
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Where(entity.FlowAsyncTaskCol.ExecutionId, execId).
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Where(entity.FlowAsyncTaskCol.NodeId, nodeId).
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Where(entity.FlowAsyncTaskCol.SegmentIndex, segIdx).
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One()
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if err != nil {
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return nil, err
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}
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if r.IsEmpty() {
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return nil, nil
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}
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err = r.Struct(&res)
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return
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}
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// Upsert 提交时写入/更新 in-flight 行：唯一键冲突则更新 model_id/task_id/msg_topic/state（保留已完成结果不动）。
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// 与 flow_segment_result 相同走 OnConflict().Save()；两点相对初稿的调整：
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// 1. Result 列是 JSONB，空串会被 PG 拒绝（invalid input syntax for type json），
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// 提交时本无结果，统一写 '{}' 占位（与表列默认值一致）。
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// 2. 必须用 OnDuplicate 限定冲突更新列——GoFrame Save 默认把 Data 里所有列写进
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// ON CONFLICT DO UPDATE SET，若不限定会把已缓存的结果覆盖成 '{}'，与"保留已完成结果"矛盾。
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func (d *flowAsyncTaskDao) Upsert(ctx context.Context, execId int64, nodeId string, segIdx int, modelId, taskId int64, msgTopic string) error {
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rec := &entity.FlowAsyncTask{
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ExecutionId: execId,
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NodeId: nodeId,
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SegmentIndex: segIdx,
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ModelId: modelId,
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TaskId: taskId,
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MsgTopic: msgTopic,
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State: FlowAsyncStateInflight,
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Result: "{}",
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}
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_, err := gfdb.DB(ctx, public.DbNameBlackDeacon).
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Model(ctx, public.TableNameFlowAsyncTask).
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Data(rec).
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OnConflict(entity.FlowAsyncTaskCol.ExecutionId, entity.FlowAsyncTaskCol.NodeId, entity.FlowAsyncTaskCol.SegmentIndex).
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OnDuplicate(entity.FlowAsyncTaskCol.ModelId, entity.FlowAsyncTaskCol.TaskId, entity.FlowAsyncTaskCol.MsgTopic, entity.FlowAsyncTaskCol.State).
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Save()
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return err
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}
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// UpdateByKey 按唯一键更新 state/result（OmitNil 丢弃 nil 字段，map 值非 nil 全写入；
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// state=0 也能落库）。Result 列是 JSONB，空串无法写入，统一落 '{}' 表示无结果。
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func (d *flowAsyncTaskDao) UpdateByKey(ctx context.Context, execId int64, nodeId string, segIdx int, state int, result string) error {
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resultVal := result
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if resultVal == "" {
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resultVal = "{}"
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}
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_, err := gfdb.DB(ctx, public.DbNameBlackDeacon).Model(ctx, public.TableNameFlowAsyncTask).
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Where(entity.FlowAsyncTaskCol.ExecutionId, execId).
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Where(entity.FlowAsyncTaskCol.NodeId, nodeId).
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Where(entity.FlowAsyncTaskCol.SegmentIndex, segIdx).
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Data(map[string]any{
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entity.FlowAsyncTaskCol.State: state,
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entity.FlowAsyncTaskCol.Result: resultVal,
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}).
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Update()
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return err
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}
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// DeleteByKey 物理删除：实体嵌 SQLBaseDO 软删后同键重存无法复活（ON CONFLICT 不含 deleted_at），
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// 与 flow_segment_result 相同约束，须 raw Exec 用物理全名
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func (d *flowAsyncTaskDao) DeleteByKey(ctx context.Context, execId int64, nodeId string, segIdx int) error {
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const physicalTable = "black_deacon_flow_async_task"
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_, err := gfdb.DB(ctx, public.DbNameBlackDeacon).
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Exec(ctx, fmt.Sprintf("DELETE FROM %s WHERE execution_id = ? AND node_id = ? AND segment_index = ?", physicalTable), execId, nodeId, segIdx)
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return err
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}
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// DeleteByExecution 清理指定执行的异步任务缓存（exec 成功后调用，与段清理同处）
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func (d *flowAsyncTaskDao) DeleteByExecution(ctx context.Context, execId int64) error {
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const physicalTable = "black_deacon_flow_async_task"
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_, err := gfdb.DB(ctx, public.DbNameBlackDeacon).
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Exec(ctx, fmt.Sprintf("DELETE FROM %s WHERE execution_id = ?", physicalTable), execId)
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return err
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}
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