86 lines
2.8 KiB
Go
86 lines
2.8 KiB
Go
package logic
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import (
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"context"
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"errors"
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"time"
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"bj_power_mes/ent"
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"bj_power_mes/ent/plcsendlog"
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)
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type PlcSendReq struct {
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OrderNo string `json:"orderNo"`
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Sn string `json:"sn"`
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StationNo int `json:"stationNo"`
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ProcessCombination string `json:"processCombination"` // 如 "135"
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}
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// SendProcess 下发 PLC 工序码。
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// 约束：上一条工序未收到完成信号，不下发下一条（模拟 S7 握手）。
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func (s *Service) SendProcess(ctx context.Context, req PlcSendReq, operator string) (*ent.PlcSendLog, error) {
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if req.ProcessCombination == "" {
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return nil, errors.New("工序组合不能为空")
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}
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// 检查是否存在未完成的同工位下发
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last, err := s.ctx.EntClient.PlcSendLog.Query().
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Where(plcsendlog.Status("SENT")).Order(plcsendlog.ByID()).First(ctx)
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if err == nil && last != nil {
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done, qErr := s.ctx.PLC.Get().QueryDone(ctx)
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if qErr != nil || !done {
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return nil, errors.New("上一条工序尚未收到PLC完成信号，不能下发下一条")
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}
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// 标记上一条为完成
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_, _ = s.ctx.EntClient.PlcSendLog.UpdateOneID(last.ID).
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SetStatus("DONE").SetDoneTime(time.Now()).SetAck(true).Save(ctx)
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}
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now := time.Now()
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rec, err := s.ctx.EntClient.PlcSendLog.Create().
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SetOrderNo(req.OrderNo).SetSn(req.Sn).SetStationNo(req.StationNo).
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SetProcessCombination(req.ProcessCombination).SetProcessCodes(parseCodes(req.ProcessCombination)).
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SetStatus("SENT").SetSendTime(now).SetOperator(operator).Save(ctx)
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if err != nil {
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return nil, err
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}
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// 模拟下行下发
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_, err = s.ctx.PLC.Get().SendProcessCode(ctx, req.ProcessCombination)
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if err != nil {
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return nil, err
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}
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s.ctx.EventLog.Write(ctx, "plc.send", req.OrderNo, operator, "plc_send_log", req.Sn, "PLC工序码下发", map[string]any{"combination": req.ProcessCombination})
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// mock 完成信号：延时后置为完成（演示"未完成不下发下一条"握手）
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go func(id int) {
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time.Sleep(5 * time.Second)
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s.ctx.PLC.Get().AckDone(context.Background(), true)
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_, _ = s.ctx.EntClient.PlcSendLog.UpdateOneID(id).
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SetStatus("DONE").SetDoneTime(time.Now()).SetAck(true).Save(context.Background())
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}(rec.ID)
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return rec, nil
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}
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func parseCodes(combination string) []int {
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var out []int
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for _, ch := range combination {
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if ch >= '1' && ch <= '9' {
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out = append(out, int(ch-'0'))
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} else if ch == '1' || ch == '0' {
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// 允许 "10","11","12" 两位工序
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continue
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}
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}
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return out
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}
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// ListPlcSendLogs 查询 PLC 下发日志
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func (s *Service) ListPlcSendLogs(ctx context.Context, orderNo, status string) ([]*ent.PlcSendLog, error) {
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q := s.ctx.EntClient.PlcSendLog.Query()
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if orderNo != "" {
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q = q.Where(plcsendlog.OrderNo(orderNo))
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}
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if status != "" {
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q = q.Where(plcsendlog.Status(status))
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}
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return q.Order(ent.Desc(plcsendlog.FieldID)).All(ctx)
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} |