forgejo/models/star.go
Lunny Xiao d710af6669
Remove NewSession method from db.Engine interface (#17577)
* Remove NewSession method from db.Engine interface

* Fix bug

* Some improvements

* Fix bug

* Fix test

* Use XXXBean instead of XXXExample
2021-11-21 23:41:00 +08:00

134 lines
3.4 KiB
Go

// Copyright 2016 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 (
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/timeutil"
)
// Star represents a starred repo by an user.
type Star struct {
ID int64 `xorm:"pk autoincr"`
UID int64 `xorm:"UNIQUE(s)"`
RepoID int64 `xorm:"UNIQUE(s)"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
}
func init() {
db.RegisterModel(new(Star))
}
// StarRepo or unstar repository.
func StarRepo(userID, repoID int64, star bool) error {
ctx, committer, err := db.TxContext()
if err != nil {
return err
}
defer committer.Close()
staring := isStaring(db.GetEngine(ctx), userID, repoID)
if star {
if staring {
return nil
}
if err := db.Insert(ctx, &Star{UID: userID, RepoID: repoID}); err != nil {
return err
}
if _, err := db.Exec(ctx, "UPDATE `repository` SET num_stars = num_stars + 1 WHERE id = ?", repoID); err != nil {
return err
}
if _, err := db.Exec(ctx, "UPDATE `user` SET num_stars = num_stars + 1 WHERE id = ?", userID); err != nil {
return err
}
} else {
if !staring {
return nil
}
if _, err := db.DeleteByBean(ctx, &Star{UID: userID, RepoID: repoID}); err != nil {
return err
}
if _, err := db.Exec(ctx, "UPDATE `repository` SET num_stars = num_stars - 1 WHERE id = ?", repoID); err != nil {
return err
}
if _, err := db.Exec(ctx, "UPDATE `user` SET num_stars = num_stars - 1 WHERE id = ?", userID); err != nil {
return err
}
}
return committer.Commit()
}
// IsStaring checks if user has starred given repository.
func IsStaring(userID, repoID int64) bool {
return isStaring(db.GetEngine(db.DefaultContext), userID, repoID)
}
func isStaring(e db.Engine, userID, repoID int64) bool {
has, _ := e.Get(&Star{UID: userID, RepoID: repoID})
return has
}
// GetStargazers returns the users that starred the repo.
func (repo *Repository) GetStargazers(opts db.ListOptions) ([]*User, error) {
sess := db.GetEngine(db.DefaultContext).Where("star.repo_id = ?", repo.ID).
Join("LEFT", "star", "`user`.id = star.uid")
if opts.Page > 0 {
sess = db.SetSessionPagination(sess, &opts)
users := make([]*User, 0, opts.PageSize)
return users, sess.Find(&users)
}
users := make([]*User, 0, 8)
return users, sess.Find(&users)
}
// GetStarredRepos returns the repos the user starred.
func (u *User) GetStarredRepos(private bool, page, pageSize int, orderBy string) (repos RepositoryList, err error) {
if len(orderBy) == 0 {
orderBy = "updated_unix DESC"
}
sess := db.GetEngine(db.DefaultContext).
Join("INNER", "star", "star.repo_id = repository.id").
Where("star.uid = ?", u.ID).
OrderBy(orderBy)
if !private {
sess = sess.And("is_private = ?", false)
}
if page <= 0 {
page = 1
}
sess.Limit(pageSize, (page-1)*pageSize)
repos = make([]*Repository, 0, pageSize)
if err = sess.Find(&repos); err != nil {
return
}
if err = repos.loadAttributes(db.GetEngine(db.DefaultContext)); err != nil {
return
}
return
}
// GetStarredRepoCount returns the numbers of repo the user starred.
func (u *User) GetStarredRepoCount(private bool) (int64, error) {
sess := db.GetEngine(db.DefaultContext).
Join("INNER", "star", "star.repo_id = repository.id").
Where("star.uid = ?", u.ID)
if !private {
sess = sess.And("is_private = ?", false)
}
return sess.Count(&Repository{})
}