71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
package common
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import (
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"encoding/json"
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)
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func getStateMapping() []string {
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return []string{"WAITING", "RUNNING", "FINISHED", "FAILED"}
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}
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type ImageBuildState int
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const (
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IBWaiting ImageBuildState = iota
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IBRunning
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IBFinished
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IBFailed
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)
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// CustomJsonConversionError is thrown when parsing strings into enumerations
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type CustomJsonConversionError struct {
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reason string
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}
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// Error returns the error as a string
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func (err *CustomJsonConversionError) Error() string {
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return err.reason
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}
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// CustomTypeError is thrown when parsing strings into enumerations
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type CustomTypeError struct {
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reason string
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}
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// Error returns the error as a string
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func (err *CustomTypeError) Error() string {
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return err.reason
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}
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// ToString converts ImageBuildState into a human readable string
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func (ibs ImageBuildState) ToString() string {
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return getStateMapping()[int(ibs)]
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}
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func unmarshalStateHelper(data []byte, mapping []string) (int, error) {
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var stringInput string
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err := json.Unmarshal(data, &stringInput)
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if err != nil {
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return 0, err
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}
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for n, str := range mapping {
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if str == stringInput {
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return n, nil
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}
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}
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return 0, &CustomJsonConversionError{"invalid image build status:" + stringInput}
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}
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// UnmarshalJSON converts a JSON string into an ImageBuildState
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func (ibs *ImageBuildState) UnmarshalJSON(data []byte) error {
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val, err := unmarshalStateHelper(data, getStateMapping())
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if err != nil {
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return err
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}
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*ibs = ImageBuildState(val)
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return nil
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}
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func (ibs ImageBuildState) MarshalJSON() ([]byte, error) {
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return json.Marshal(getStateMapping()[ibs])
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}
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