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https://gitee.com/dromara/mayfly-go
synced 2025-12-10 09:50:25 +08:00
feat: flow design & page query refactor
This commit is contained in:
meilin.huang
232
server/internal/flow/application/procinst_task.go
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232
server/internal/flow/application/procinst_task.go
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package application
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import (
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"context"
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"mayfly-go/internal/flow/application/dto"
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"mayfly-go/internal/flow/domain/entity"
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"mayfly-go/internal/flow/domain/repository"
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"mayfly-go/pkg/base"
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"mayfly-go/pkg/errorx"
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"mayfly-go/pkg/eventbus"
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"mayfly-go/pkg/model"
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"mayfly-go/pkg/utils/stringx"
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"github.com/may-fly/cast"
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)
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type ProcinstTask interface {
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base.App[*entity.ProcinstTask]
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Init()
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// 获取代办任务
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GetTasks(ctx context.Context, condition *entity.ProcinstTaskQuery, orderBy ...string) (*model.PageResult[*entity.ProcinstTaskPO], error)
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// 任务审批通过
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PassTask(ctx context.Context, taskOp dto.UserTaskOp) error
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// 拒绝任务
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RejectTask(ctx context.Context, taskOp dto.UserTaskOp) error
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// 驳回任务（允许重新提交）
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BackTask(ctx context.Context, taskOp dto.UserTaskOp) error
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}
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type procinstTaskAppImpl struct {
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base.AppImpl[*entity.ProcinstTask, repository.ProcinstTask]
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procinstApp Procinst `inject:"T"`
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executionApp Execution `inject:"T"`
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procinstTaskCandidateRepo repository.ProcinstTaskCandidate `inject:"T"`
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}
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var _ (ProcinstTask) = (*procinstTaskAppImpl)(nil)
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func (p *procinstTaskAppImpl) Init() {
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const subId = "ProcinstTaskApp"
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flowEventBus.Subscribe(EventTopicFlowProcinstCancel, subId, func(ctx context.Context, event *eventbus.Event[any]) error {
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procinstId := event.Val.(uint64)
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if err := p.UpdateByCond(ctx, &entity.ProcinstTask{Status: entity.ProcinstTaskStatusCanceled}, &entity.ProcinstTask{ProcinstId: procinstId, Status: entity.ProcinstTaskStatusProcess}); err != nil {
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return err
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}
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return p.procinstTaskCandidateRepo.DeleteByCond(ctx, &entity.ProcinstTaskCandidate{ProcinstId: procinstId})
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})
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}
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func (p *procinstTaskAppImpl) GetTasks(ctx context.Context, condition *entity.ProcinstTaskQuery, orderBy ...string) (*model.PageResult[*entity.ProcinstTaskPO], error) {
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return p.Repo.GetPageList(condition, orderBy...)
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}
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func (p *procinstTaskAppImpl) PassTask(ctx context.Context, taskOp dto.UserTaskOp) error {
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return p.CompleteTask(ctx, taskOp)
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}
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func (p *procinstTaskAppImpl) RejectTask(ctx context.Context, taskOp dto.UserTaskOp) error {
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taskId := taskOp.TaskId
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instTask, taskCandidates, procinst, execution, err := p.getAndValidInstTask(ctx, taskId, taskOp.Candidate)
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if err != nil {
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return err
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}
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// 赋值状态和备注
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instTask.Status = entity.ProcinstTaskStatusReject
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instTask.Remark = taskOp.Remark
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instTask.SetEnd()
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// 更新流程实例为终止状态，无法重新提交
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procinst.Status = entity.ProcinstStatusTerminated
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procinst.BizStatus = entity.ProcinstBizStatusNo
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procinst.SetEnd()
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procinstId := procinst.Id
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return p.Tx(ctx, func(ctx context.Context) error {
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executionCtx := NewExecutionCtx(ctx, procinst, execution)
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executionCtx.OpExtra.Set("approvalResult", instTask.Status)
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for _, taskCandidate := range taskCandidates {
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taskCandidate.Status = entity.ProcinstTaskStatusReject
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taskCandidate.SetEnd()
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taskCandidate.Handler = &taskOp.Handler
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if err := p.procinstTaskCandidateRepo.UpdateById(ctx, taskCandidate); err != nil {
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return err
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}
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}
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if err := p.procinstApp.Save(ctx, procinst); err != nil {
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return err
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}
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if err := p.Save(ctx, instTask); err != nil {
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return err
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}
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if err := p.UpdateByCond(ctx, &entity.ProcinstTask{Status: entity.ProcinstTaskStatusCanceled}, &entity.ProcinstTask{ProcinstId: procinstId, Status: entity.ProcinstTaskStatusProcess}); err != nil {
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return err
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}
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// 跳转至结束节点
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if err := p.executionApp.MoveTo(executionCtx, executionCtx.GetFlowDef().GetNodeByType(FlowNodeTypeEnd)[0]); err != nil {
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return err
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}
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// 删除待处理的其他候选人任务
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return p.procinstTaskCandidateRepo.DeleteByCond(ctx, &entity.ProcinstTaskCandidate{ProcinstId: procinstId, Status: entity.ProcinstTaskStatusProcess})
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})
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}
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func (p *procinstTaskAppImpl) BackTask(ctx context.Context, taskOp dto.UserTaskOp) error {
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// instTask, err := p.getAndValidInstTask(ctx, instTaskId)
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// if err != nil {
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// return err
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// }
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// // 赋值状态和备注
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// instTask.Status = entity.ProcinstTaskStatusBack
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// instTask.Remark = remark
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// procinst, _ := p.GetById(instTask.ProcinstId)
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// // 更新流程实例为挂起状态，等待重新提交
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// procinst.Status = entity.ProcinstStatusSuspended
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// return p.Tx(ctx, func(ctx context.Context) error {
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// return p.UpdateById(ctx, procinst)
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// }, func(ctx context.Context) error {
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// return p.procinstTaskRepo.UpdateById(ctx, instTask)
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// }, func(ctx context.Context) error {
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// return p.triggerProcinstStatusChangeEvent(ctx, procinst)
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// })
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return nil
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}
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func (p *procinstTaskAppImpl) CompleteTask(ctx context.Context, taskOp dto.UserTaskOp) error {
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taskId := taskOp.TaskId
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instTask, taskCandidates, procinst, execution, err := p.getAndValidInstTask(ctx, taskId, taskOp.Candidate)
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if err != nil {
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return err
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}
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return p.Tx(ctx, func(ctx context.Context) error {
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executionCtx := NewExecutionCtx(ctx, procinst, execution)
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usertaskNode := ToUserTaskNode(executionCtx.GetFlowNode())
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for _, taskCandidate := range taskCandidates {
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taskCandidate.Status = entity.ProcinstTaskStatusCompleted
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taskCandidate.SetEnd()
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taskCandidate.Handler = &taskOp.Handler
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if err := p.procinstTaskCandidateRepo.UpdateById(ctx, taskCandidate); err != nil {
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return err
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}
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}
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executionCtx.parent = ctx
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vars := instTask.Vars
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// map[string]any整数会被解析为float64，故统一转为float64
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nrOfCompleted := cast.ToFloat64(vars.GetInt(NrOfCompleted) + len(taskCandidates))
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vars.Set(NrOfCompleted, nrOfCompleted)
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// 完成比例
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vars.Set("nrOfCompletedRate", float32(nrOfCompleted)/float32(vars.GetInt(NrOfAll)))
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isCompleteRes, err := stringx.TemplateParse(usertaskNode.CompletionCondition, vars)
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if err != nil {
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return err
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}
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// 不满足通过条件则保存更新任务完成数等变量即可
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if !cast.ToBool(isCompleteRes) {
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return p.Save(ctx, instTask)
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}
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// 赋值状态和备注
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instTask.Status = entity.ProcinstTaskStatusCompleted
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instTask.Remark = taskOp.Remark
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instTask.SetEnd()
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if err := p.Save(ctx, instTask); err != nil {
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return err
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}
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// 删除待处理的任务处理候选人
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if err := p.procinstTaskCandidateRepo.DeleteByCond(ctx, &entity.ProcinstTaskCandidate{TaskId: taskId, Status: entity.ProcinstTaskStatusProcess}); err != nil {
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return err
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}
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executionCtx.OpExtra.Set("approvalResult", instTask.Status)
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// 继续推进执行流
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return p.executionApp.ContinueExecution(executionCtx)
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})
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}
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// getAndValidInstTask 获取并校验实例任务
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func (p *procinstTaskAppImpl) getAndValidInstTask(ctx context.Context, instTaskId uint64, candidates []string) (*entity.ProcinstTask, []*entity.ProcinstTaskCandidate, *entity.Procinst, *entity.Execution, error) {
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instTask, err := p.GetById(instTaskId)
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if err != nil {
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return nil, nil, nil, nil, errorx.NewBiz("procinst task not found")
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}
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taskCandidates, err := p.procinstTaskCandidateRepo.SelectByCond(model.NewCond().
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In("candidate", candidates).
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Eq("task_id", instTask.Id).
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Eq("status", entity.ProcinstTaskStatusProcess))
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if err != nil {
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return nil, nil, nil, nil, err
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}
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if len(taskCandidates) == 0 {
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return nil, nil, nil, nil, errorx.NewBiz("the current candidates is not a task handler and cannot complete the task")
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}
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procinst, err := p.procinstApp.GetById(instTask.ProcinstId)
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if err != nil {
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return nil, nil, nil, nil, err
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}
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execution, err := p.executionApp.GetById(instTask.ExecutionId)
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if err != nil {
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return nil, nil, nil, nil, err
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}
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if execution.NodeKey != instTask.NodeKey {
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return nil, nil, nil, nil, errorx.NewBiz("the current process instance node does not match and cannot process the task")
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}
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return instTask, taskCandidates, procinst, execution, nil
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}
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