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// Copyright 2016 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"fmt"
"strings"
"time"
"github.com/Unknwon/com"
"github.com/go-xorm/xorm"
"github.com/gogits/gogs/modules/log"
)
// CommentType defines whether a comment is just a simple comment, an action (like close) or a reference.
type CommentType int
const (
// Plain comment, can be associated with a commit (CommitID > 0) and a line (LineNum > 0)
COMMENT_TYPE_COMMENT CommentType = iota
COMMENT_TYPE_REOPEN
COMMENT_TYPE_CLOSE
// References.
COMMENT_TYPE_ISSUE_REF
// Reference from a commit (not part of a pull request)
COMMENT_TYPE_COMMIT_REF
// Reference from a comment
COMMENT_TYPE_COMMENT_REF
// Reference from a pull request
COMMENT_TYPE_PULL_REF
)
type CommentTag int
const (
COMMENT_TAG_NONE CommentTag = iota
COMMENT_TAG_POSTER
COMMENT_TAG_WRITER
COMMENT_TAG_OWNER
)
// Comment represents a comment in commit and issue page.
type Comment struct {
ID int64 `xorm:"pk autoincr"`
Type CommentType
PosterID int64
Poster *User `xorm:"-"`
IssueID int64 `xorm:"INDEX"`
CommitID int64
Line int64
Content string `xorm:"TEXT"`
RenderedContent string `xorm:"-"`
Created time.Time `xorm:"-"`
CreatedUnix int64
// Reference issue in commit message
CommitSHA string `xorm:"VARCHAR(40)"`
Attachments []*Attachment `xorm:"-"`
// For view issue page.
ShowTag CommentTag `xorm:"-"`
}
func (c *Comment) BeforeInsert() {
c.CreatedUnix = time.Now().UTC().Unix()
}
func (c *Comment) AfterSet(colName string, _ xorm.Cell) {
var err error
switch colName {
case "id":
c.Attachments, err = GetAttachmentsByCommentID(c.ID)
if err != nil {
log.Error(3, "GetAttachmentsByCommentID[%d]: %v", c.ID, err)
}
case "poster_id":
c.Poster, err = GetUserByID(c.PosterID)
if err != nil {
if IsErrUserNotExist(err) {
c.PosterID = -1
c.Poster = NewFakeUser()
} else {
log.Error(3, "GetUserByID[%d]: %v", c.ID, err)
}
}
case "created_unix":
c.Created = time.Unix(c.CreatedUnix, 0).Local()
}
}
func (c *Comment) AfterDelete() {
_, err := DeleteAttachmentsByComment(c.ID, true)
if err != nil {
log.Info("Could not delete files for comment %d on issue #%d: %s", c.ID, c.IssueID, err)
}
}
// HashTag returns unique hash tag for comment.
func (c *Comment) HashTag() string {
return "issuecomment-" + com.ToStr(c.ID)
}
// EventTag returns unique event hash tag for comment.
func (c *Comment) EventTag() string {
return "event-" + com.ToStr(c.ID)
}
func createComment(e *xorm.Session, opts *CreateCommentOptions) (_ *Comment, err error) {
comment := &Comment{
Type: opts.Type,
PosterID: opts.Doer.Id,
IssueID: opts.Issue.ID,
CommitID: opts.CommitID,
CommitSHA: opts.CommitSHA,
Line: opts.LineNum,
Content: opts.Content,
}
if _, err = e.Insert(comment); err != nil {
return nil, err
}
// Compose comment action, could be plain comment, close or reopen issue/pull request.
// This object will be used to notify watchers in the end of function.
act := &Action{
ActUserID: opts.Doer.Id,
ActUserName: opts.Doer.Name,
ActEmail: opts.Doer.Email,
Content: fmt.Sprintf("%d|%s", opts.Issue.Index, strings.Split(opts.Content, "\n")[0]),
RepoID: opts.Repo.ID,
RepoUserName: opts.Repo.Owner.Name,
RepoName: opts.Repo.Name,
IsPrivate: opts.Repo.IsPrivate,
}
// Check comment type.
switch opts.Type {
case COMMENT_TYPE_COMMENT:
act.OpType = ACTION_COMMENT_ISSUE
if _, err = e.Exec("UPDATE `issue` SET num_comments=num_comments+1 WHERE id=?", opts.Issue.ID); err != nil {
return nil, err
}
// Check attachments
attachments := make([]*Attachment, 0, len(opts.Attachments))
for _, uuid := range opts.Attachments {
attach, err := getAttachmentByUUID(e, uuid)
if err != nil {
if IsErrAttachmentNotExist(err) {
continue
}
return nil, fmt.Errorf("getAttachmentByUUID[%s]: %v", uuid, err)
}
attachments = append(attachments, attach)
}
for i := range attachments {
attachments[i].IssueID = opts.Issue.ID
attachments[i].CommentID = comment.ID
// No assign value could be 0, so ignore AllCols().
if _, err = e.Id(attachments[i].ID).Update(attachments[i]); err != nil {
return nil, fmt.Errorf("update attachment[%d]: %v", attachments[i].ID, err)
}
}
case COMMENT_TYPE_REOPEN:
act.OpType = ACTION_REOPEN_ISSUE
if opts.Issue.IsPull {
act.OpType = ACTION_REOPEN_PULL_REQUEST
}
if opts.Issue.IsPull {
_, err = e.Exec("UPDATE `repository` SET num_closed_pulls=num_closed_pulls-1 WHERE id=?", opts.Repo.ID)
} else {
_, err = e.Exec("UPDATE `repository` SET num_closed_issues=num_closed_issues-1 WHERE id=?", opts.Repo.ID)
}
if err != nil {
return nil, err
}
case COMMENT_TYPE_CLOSE:
act.OpType = ACTION_CLOSE_ISSUE
if opts.Issue.IsPull {
act.OpType = ACTION_CLOSE_PULL_REQUEST
}
if opts.Issue.IsPull {
_, err = e.Exec("UPDATE `repository` SET num_closed_pulls=num_closed_pulls+1 WHERE id=?", opts.Repo.ID)
} else {
_, err = e.Exec("UPDATE `repository` SET num_closed_issues=num_closed_issues+1 WHERE id=?", opts.Repo.ID)
}
if err != nil {
return nil, err
}
}
// Notify watchers for whatever action comes in, ignore if no action type
if act.OpType > 0 {
if err = notifyWatchers(e, act); err != nil {
return nil, fmt.Errorf("notifyWatchers: %v", err)
}
}
return comment, nil
}
func createStatusComment(e *xorm.Session, doer *User, repo *Repository, issue *Issue) (*Comment, error) {
cmtType := COMMENT_TYPE_CLOSE
if !issue.IsClosed {
cmtType = COMMENT_TYPE_REOPEN
}
return createComment(e, &CreateCommentOptions{
Type: cmtType,
Doer: doer,
Repo: repo,
Issue: issue,
})
}
type CreateCommentOptions struct {
Type CommentType
Doer *User
Repo *Repository
Issue *Issue
CommitID int64
CommitSHA string
LineNum int64
Content string
Attachments []string // UUIDs of attachments
}
// CreateComment creates comment of issue or commit.
func CreateComment(opts *CreateCommentOptions) (comment *Comment, err error) {
sess := x.NewSession()
defer sessionRelease(sess)
if err = sess.Begin(); err != nil {
return nil, err
}
comment, err = createComment(sess, opts)
if err != nil {
return nil, err
}
return comment, sess.Commit()
}
// CreateIssueComment creates a plain issue comment.
func CreateIssueComment(doer *User, repo *Repository, issue *Issue, content string, attachments []string) (*Comment, error) {
return CreateComment(&CreateCommentOptions{
Type: COMMENT_TYPE_COMMENT,
Doer: doer,
Repo: repo,
Issue: issue,
Content: content,
Attachments: attachments,
})
}
// CreateRefComment creates a commit reference comment to issue.
func CreateRefComment(doer *User, repo *Repository, issue *Issue, content, commitSHA string) error {
if len(commitSHA) == 0 {
return fmt.Errorf("cannot create reference with empty commit SHA")
}
// Check if same reference from same commit has already existed.
has, err := x.Get(&Comment{
Type: COMMENT_TYPE_COMMIT_REF,
IssueID: issue.ID,
CommitSHA: commitSHA,
})
if err != nil {
return fmt.Errorf("check reference comment: %v", err)
} else if has {
return nil
}
_, err = CreateComment(&CreateCommentOptions{
Type: COMMENT_TYPE_COMMIT_REF,
Doer: doer,
Repo: repo,
Issue: issue,
CommitSHA: commitSHA,
Content: content,
})
return err
}
// GetCommentByID returns the comment by given ID.
func GetCommentByID(id int64) (*Comment, error) {
c := new(Comment)
has, err := x.Id(id).Get(c)
if err != nil {
return nil, err
} else if !has {
return nil, ErrCommentNotExist{id}
}
return c, nil
}
// GetCommentsByIssueID returns all comments of issue by given ID.
func GetCommentsByIssueID(issueID int64) ([]*Comment, error) {
comments := make([]*Comment, 0, 10)
return comments, x.Where("issue_id=?", issueID).Asc("created_unix").Find(&comments)
}
// UpdateComment updates information of comment.
func UpdateComment(c *Comment) error {
_, err := x.Id(c.ID).AllCols().Update(c)
return err
}
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