package bug import ( "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/util/git" ) var _ Operation = &SetMetadataOperation{} type SetMetadataOperation struct { OpBase Target git.Hash `json:"target"` NewMetadata map[string]string `json:"new_metadata"` } func (op *SetMetadataOperation) base() *OpBase { return &op.OpBase } func (op *SetMetadataOperation) Hash() (git.Hash, error) { return hashOperation(op) } func (op *SetMetadataOperation) Apply(snapshot *Snapshot) { for _, target := range snapshot.Operations { hash, err := target.Hash() if err != nil { // Should never error unless a programming error happened // (covered in OpBase.Validate()) panic(err) } if hash == op.Target { base := target.base() if base.extraMetadata == nil { base.extraMetadata = make(map[string]string) } for key, val := range op.NewMetadata { if _, exist := base.extraMetadata[key]; !exist { base.extraMetadata[key] = val } } return } } } func (op *SetMetadataOperation) Validate() error { if err := opBaseValidate(op, SetMetadataOp); err != nil { return err } return nil } // Sign post method for gqlgen func (op *SetMetadataOperation) IsAuthored() {} func NewSetMetadataOp(author identity.Interface, unixTime int64, target git.Hash, newMetadata map[string]string) *SetMetadataOperation { return &SetMetadataOperation{ OpBase: newOpBase(SetMetadataOp, author, unixTime), Target: target, NewMetadata: newMetadata, } } // Convenience function to apply the operation func SetMetadata(b Interface, author identity.Interface, unixTime int64, target git.Hash, newMetadata map[string]string) (*SetMetadataOperation, error) { SetMetadataOp := NewSetMetadataOp(author, unixTime, target, newMetadata) if err := SetMetadataOp.Validate(); err != nil { return nil, err } b.Append(SetMetadataOp) return SetMetadataOp, nil }