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package bug
import (
"github.com/MichaelMure/git-bug/util"
"time"
)
// OperationType is an identifier
type OperationType int
const (
_ OperationType = iota
CreateOp
SetTitleOp
AddCommentOp
SetStatusOp
LabelChangeOp
)
// Operation define the interface to fulfill for an edit operation of a Bug
type Operation interface {
// OpType return the type of operation
OpType() OperationType
// Time return the time when the operation was added
Time() time.Time
// Apply the operation to a Snapshot to create the final state
Apply(snapshot Snapshot) Snapshot
// Files return the files needed by this operation
Files() []util.Hash
// TODO: data validation (ex: a title is a single line)
// Validate() bool
}
// OpBase implement the common code for all operations
type OpBase struct {
OperationType OperationType
Author Person
UnixTime int64
}
// NewOpBase is the constructor for an OpBase
func NewOpBase(opType OperationType, author Person) OpBase {
return OpBase{
OperationType: opType,
Author: author,
UnixTime: time.Now().Unix(),
}
}
// OpType return the type of operation
func (op OpBase) OpType() OperationType {
return op.OperationType
}
// Time return the time when the operation was added
func (op OpBase) Time() time.Time {
return time.Unix(op.UnixTime, 0)
}
// Files return the files needed by this operation
func (op OpBase) Files() []util.Hash {
return nil
}
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