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package bug
import (
"encoding/json"
"fmt"
"strings"
"github.com/MichaelMure/git-bug/identity"
"github.com/MichaelMure/git-bug/util/git"
"github.com/MichaelMure/git-bug/util/text"
"github.com/MichaelMure/git-bug/util/timestamp"
)
var _ Operation = &CreateOperation{}
// CreateOperation define the initial creation of a bug
type CreateOperation struct {
OpBase
Title string
Message string
Files []git.Hash
}
func (op *CreateOperation) base() *OpBase {
return &op.OpBase
}
func (op *CreateOperation) Hash() (git.Hash, error) {
return hashOperation(op)
}
func (op *CreateOperation) Apply(snapshot *Snapshot) {
snapshot.Title = op.Title
comment := Comment{
Message: op.Message,
Author: op.Author,
UnixTime: timestamp.Timestamp(op.UnixTime),
}
snapshot.Comments = []Comment{comment}
snapshot.Author = op.Author
snapshot.CreatedAt = op.Time()
hash, err := op.Hash()
if err != nil {
// Should never error unless a programming error happened
// (covered in OpBase.Validate())
panic(err)
}
snapshot.Timeline = []TimelineItem{
&CreateTimelineItem{
CommentTimelineItem: NewCommentTimelineItem(hash, comment),
},
}
}
func (op *CreateOperation) GetFiles() []git.Hash {
return op.Files
}
func (op *CreateOperation) Validate() error {
if err := opBaseValidate(op, CreateOp); err != nil {
return err
}
if text.Empty(op.Title) {
return fmt.Errorf("title is empty")
}
if strings.Contains(op.Title, "\n") {
return fmt.Errorf("title should be a single line")
}
if !text.Safe(op.Title) {
return fmt.Errorf("title is not fully printable")
}
if !text.Safe(op.Message) {
return fmt.Errorf("message is not fully printable")
}
return nil
}
// Workaround to avoid the inner OpBase.MarshalJSON overriding the outer op
// MarshalJSON
func (op *CreateOperation) MarshalJSON() ([]byte, error) {
base, err := json.Marshal(op.OpBase)
if err != nil {
return nil, err
}
// revert back to a flat map to be able to add our own fields
var data map[string]interface{}
if err := json.Unmarshal(base, &data); err != nil {
return nil, err
}
data["title"] = op.Title
data["message"] = op.Message
data["files"] = op.Files
return json.Marshal(data)
}
// Workaround to avoid the inner OpBase.MarshalJSON overriding the outer op
// MarshalJSON
func (op *CreateOperation) UnmarshalJSON(data []byte) error {
// Unmarshal OpBase and the op separately
base := OpBase{}
err := json.Unmarshal(data, &base)
if err != nil {
return err
}
aux := struct {
Title string `json:"title"`
Message string `json:"message"`
Files []git.Hash `json:"files"`
}{}
err = json.Unmarshal(data, &aux)
if err != nil {
return err
}
op.OpBase = base
op.Title = aux.Title
op.Message = aux.Message
op.Files = aux.Files
return nil
}
// Sign post method for gqlgen
func (op *CreateOperation) IsAuthored() {}
func NewCreateOp(author identity.Interface, unixTime int64, title, message string, files []git.Hash) *CreateOperation {
return &CreateOperation{
OpBase: newOpBase(CreateOp, author, unixTime),
Title: title,
Message: message,
Files: files,
}
}
// CreateTimelineItem replace a Create operation in the Timeline and hold its edition history
type CreateTimelineItem struct {
CommentTimelineItem
}
// Convenience function to apply the operation
func Create(author identity.Interface, unixTime int64, title, message string) (*Bug, *CreateOperation, error) {
return CreateWithFiles(author, unixTime, title, message, nil)
}
func CreateWithFiles(author identity.Interface, unixTime int64, title, message string, files []git.Hash) (*Bug, *CreateOperation, error) {
newBug := NewBug()
createOp := NewCreateOp(author, unixTime, title, message, files)
if err := createOp.Validate(); err != nil {
return nil, createOp, err
}
newBug.Append(createOp)
return newBug, createOp, nil
}
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