mirror of
https://github.com/MichaelMure/git-bug.git
synced 2024-12-16 02:33:26 +03:00
82 lines
1.7 KiB
Go
82 lines
1.7 KiB
Go
package bug
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import (
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"encoding/json"
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"github.com/MichaelMure/git-bug/entity"
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"github.com/MichaelMure/git-bug/identity"
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)
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var _ Operation = &NoOpOperation{}
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// NoOpOperation is an operation that does not change the bug state. It can
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// however be used to store arbitrary metadata in the bug history, for example
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// to support a bridge feature.
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type NoOpOperation struct {
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OpBase
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}
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func (op *NoOpOperation) base() *OpBase {
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return &op.OpBase
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}
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func (op *NoOpOperation) Id() entity.Id {
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return idOperation(op)
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}
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func (op *NoOpOperation) Apply(snapshot *Snapshot) {
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// Nothing to do
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}
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func (op *NoOpOperation) Validate() error {
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return opBaseValidate(op, NoOpOp)
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}
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// UnmarshalJSON is a two step JSON unmarshaling
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// This workaround is necessary to avoid the inner OpBase.MarshalJSON
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// overriding the outer op's MarshalJSON
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func (op *NoOpOperation) UnmarshalJSON(data []byte) error {
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// Unmarshal OpBase and the op separately
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base := OpBase{}
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err := json.Unmarshal(data, &base)
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if err != nil {
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return err
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}
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aux := struct{}{}
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err = json.Unmarshal(data, &aux)
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if err != nil {
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return err
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}
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op.OpBase = base
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return nil
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}
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// Sign post method for gqlgen
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func (op *NoOpOperation) IsAuthored() {}
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func NewNoOpOp(author identity.Interface, unixTime int64) *NoOpOperation {
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return &NoOpOperation{
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OpBase: newOpBase(NoOpOp, author, unixTime),
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}
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}
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// Convenience function to apply the operation
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func NoOp(b Interface, author identity.Interface, unixTime int64, metadata map[string]string) (*NoOpOperation, error) {
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op := NewNoOpOp(author, unixTime)
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for key, value := range metadata {
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op.SetMetadata(key, value)
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}
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if err := op.Validate(); err != nil {
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return nil, err
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}
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b.Append(op)
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return op, nil
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}
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