go setps
https://github.com/gookit/gcli/blob/master/interact/steps.go
package interact
import (
"context"
"fmt"
)
// StepHandler for steps run
type StepHandler func(ctx context.Context) error
// StepsRun follow the steps to run
type StepsRun struct {
// record error
err error
// mark is stopped
stopped bool
// steps length
length int
// current step index
current int
// Steps step name and handler define.
// {
// // step 1
// func(ctx context.Context) { do something.}
// // step 2
// func(ctx context.Context) { do something.}
// }
Steps []StepHandler
}
// Run all steps
func (s *StepsRun) Run() {
if s.stopped {
return
}
s.length = len(s.Steps)
if s.length == 0 {
s.err = fmt.Errorf("no step handlers need to running")
return
}
ctx := context.Background()
for i, handler := range s.Steps {
s.current = i
err := handler(ctx)
if err != nil {
s.err = err
return
}
}
}
// Stop set stop run
func (s *StepsRun) Stop() {
s.stopped = true
}
// Err get error
func (s *StepsRun) Err() error {
return s.err
}