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52 lines
960 B
52 lines
960 B
package pipelines
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import (
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"encoding/json"
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"errors"
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)
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type StepType int
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const (
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TypeResizeImageStep StepType = iota
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TypeRotateImageStep
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TypeGrayscaleImageStep
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)
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type Step struct {
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Name string `json:"name" faker:"name"`
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Type StepType `json:"type" faker:"-"`
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Options json.RawMessage `json:"options"`
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}
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func (s Step) GetExecutable() (IExecutableStep, error) {
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switch s.GetType() {
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case TypeResizeImageStep:
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step := ResizeImageStep{}
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if err := json.Unmarshal(s.Options, &step.Options); err != nil {
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return nil, err
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}
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return step, nil
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case TypeRotateImageStep:
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step := RotateImageStep{}
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if err := json.Unmarshal(s.Options, &step.Options); err != nil {
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return nil, err
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}
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return step, nil
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case TypeGrayscaleImageStep:
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return GrayscaleImageStep{}, nil
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}
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return nil, errors.New("invalid type")
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}
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func (s Step) GetType() StepType {
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return s.Type
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}
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func (s Step) GetName() string {
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return s.Name
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}
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