88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
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// Copyright 2016 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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// Star represents a starred repo by an user.
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type Star struct {
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ID int64 `xorm:"pk autoincr"`
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UID int64 `xorm:"UNIQUE(s)"`
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RepoID int64 `xorm:"UNIQUE(s)"`
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}
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// StarRepo or unstar repository.
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func StarRepo(userID, repoID int64, star bool) error {
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sess := x.NewSession()
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defer sess.Close()
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if err := sess.Begin(); err != nil {
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return err
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}
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if star {
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if IsStaring(userID, repoID) {
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return nil
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}
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if _, err := sess.Insert(&Star{UID: userID, RepoID: repoID}); err != nil {
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return err
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}
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if _, err := sess.Exec("UPDATE `repository` SET num_stars = num_stars + 1 WHERE id = ?", repoID); err != nil {
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return err
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}
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if _, err := sess.Exec("UPDATE `user` SET num_stars = num_stars + 1 WHERE id = ?", userID); err != nil {
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return err
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}
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} else {
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if !IsStaring(userID, repoID) {
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return nil
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}
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if _, err := sess.Delete(&Star{0, userID, repoID}); err != nil {
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return err
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}
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if _, err := sess.Exec("UPDATE `repository` SET num_stars = num_stars - 1 WHERE id = ?", repoID); err != nil {
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return err
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}
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if _, err := sess.Exec("UPDATE `user` SET num_stars = num_stars - 1 WHERE id = ?", userID); err != nil {
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return err
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}
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}
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return sess.Commit()
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}
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// IsStaring checks if user has starred given repository.
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func IsStaring(userID, repoID int64) bool {
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has, _ := x.Get(&Star{0, userID, repoID})
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return has
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}
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// GetStargazers returns the users that starred the repo.
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func (repo *Repository) GetStargazers(page int) ([]*User, error) {
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users := make([]*User, 0, ItemsPerPage)
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err := x.
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Limit(ItemsPerPage, (page-1)*ItemsPerPage).
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Where("star.repo_id = ?", repo.ID).
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Join("LEFT", "star", "`user`.id = star.uid").
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Find(&users)
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return users, err
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}
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// GetStarredRepos returns the repos the user starred.
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func (u *User) GetStarredRepos(private bool) (repos []*Repository, err error) {
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sess := x.
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Join("INNER", "star", "star.repo_id = repository.id").
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Where("star.uid = ?", u.ID)
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if !private {
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sess = sess.And("is_private = ?", false)
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}
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err = sess.
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Find(&repos)
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return
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}
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