forgejo/models/issue_user.go

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2017-02-09 06:44:18 +01:00
// Copyright 2017 The Gitea 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"
)
// IssueUser represents an issue-user relation.
type IssueUser struct {
ID int64 `xorm:"pk autoincr"`
UID int64 `xorm:"INDEX"` // User ID.
IssueID int64
IsRead bool
IsAssigned bool
IsMentioned bool
}
func newIssueUsers(e Engine, repo *Repository, issue *Issue) error {
assignees, err := repo.getAssignees(e)
if err != nil {
return fmt.Errorf("getAssignees: %v", err)
}
// Poster can be anyone, append later if not one of assignees.
isPosterAssignee := false
// Leave a seat for poster itself to append later, but if poster is one of assignee
// and just waste 1 unit is cheaper than re-allocate memory once.
issueUsers := make([]*IssueUser, 0, len(assignees)+1)
for _, assignee := range assignees {
issueUsers = append(issueUsers, &IssueUser{
IssueID: issue.ID,
UID: assignee.ID,
IsAssigned: assignee.ID == issue.AssigneeID,
})
isPosterAssignee = isPosterAssignee || assignee.ID == issue.PosterID
}
if !isPosterAssignee {
issueUsers = append(issueUsers, &IssueUser{
IssueID: issue.ID,
UID: issue.PosterID,
})
}
if _, err = e.Insert(issueUsers); err != nil {
return err
}
return nil
}
func updateIssueUserByAssignee(e Engine, issue *Issue) (err error) {
if _, err = e.Exec("UPDATE `issue_user` SET is_assigned = ? WHERE issue_id = ?", false, issue.ID); err != nil {
return err
}
// Assignee ID equals to 0 means clear assignee.
if issue.AssigneeID > 0 {
if _, err = e.Exec("UPDATE `issue_user` SET is_assigned = ? WHERE uid = ? AND issue_id = ?", true, issue.AssigneeID, issue.ID); err != nil {
return err
}
}
return updateIssue(e, issue)
}
// UpdateIssueUserByAssignee updates issue-user relation for assignee.
func UpdateIssueUserByAssignee(issue *Issue) (err error) {
sess := x.NewSession()
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
if err = updateIssueUserByAssignee(sess, issue); err != nil {
return err
}
return sess.Commit()
}
// UpdateIssueUserByRead updates issue-user relation for reading.
func UpdateIssueUserByRead(uid, issueID int64) error {
_, err := x.Exec("UPDATE `issue_user` SET is_read=? WHERE uid=? AND issue_id=?", true, uid, issueID)
return err
}
// UpdateIssueUsersByMentions updates issue-user pairs by mentioning.
func UpdateIssueUsersByMentions(e Engine, issueID int64, uids []int64) error {
for _, uid := range uids {
iu := &IssueUser{
UID: uid,
IssueID: issueID,
}
has, err := e.Get(iu)
if err != nil {
return err
}
iu.IsMentioned = true
if has {
_, err = e.Id(iu.ID).AllCols().Update(iu)
} else {
_, err = e.Insert(iu)
}
if err != nil {
return err
}
}
return nil
}