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forgejo/models/repo/star.go
Clemens bbe5096307 fixed circular dependencies
next: fix post call error
2024-03-26 14:02:30 +01:00

147 lines
4.1 KiB
Go

// Copyright 2016 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package repo
import (
"context"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/forgefed"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/activitypub"
"code.gitea.io/gitea/modules/setting"
"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(ctx context.Context, userID, repoID int64, star bool) error {
ctx, committer, err := db.TxContext(ctx)
if err != nil {
return err
}
defer committer.Close()
staring := IsStaring(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
}
if err := SendLikeActivities(ctx, userID, repoID); 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()
}
func SendLikeActivities(ctx context.Context, userID int64, repoID int64) error {
// TODO: should this be checked somewhere else/outside?
if setting.Federation.Enabled {
// TODO: is user loading necessary here?
user, err := user_model.GetUserByID(ctx, userID)
if err != nil {
return err
}
federatedRepos, err := FindFederatedReposByRepoID(ctx, repoID)
if err != nil {
return err
}
apclient, err := activitypub.NewClient(ctx, user, user.APAPIURL())
if err != nil {
return err
}
for _, federatedRepo := range federatedRepos {
target := federatedRepo.Uri
likeActivity, err := forgefed.NewForgeLike(user.APAPIURL(), target)
if err != nil {
return err
}
json, err := likeActivity.MarshalJSON()
if err != nil {
return err
}
// TODO: set timeouts for outgoing request in oder to mitigate DOS by slow lories
// TODO: Check if we need to respect rate limits
// ToDo: Change this to the standalone table of FederatedRepos
apclient.Post([]byte(json), target)
}
}
return nil
}
// IsStaring checks if user has starred given repository.
func IsStaring(ctx context.Context, userID, repoID int64) bool {
has, _ := db.GetEngine(ctx).Get(&Star{UID: userID, RepoID: repoID})
return has
}
// GetStargazers returns the users that starred the repo.
func GetStargazers(ctx context.Context, repo *Repository, opts db.ListOptions) ([]*user_model.User, error) {
sess := db.GetEngine(ctx).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_model.User, 0, opts.PageSize)
return users, sess.Find(&users)
}
users := make([]*user_model.User, 0, 8)
return users, sess.Find(&users)
}
// ClearRepoStars clears all stars for a repository and from the user that starred it.
// Used when a repository is set to private.
func ClearRepoStars(ctx context.Context, repoID int64) error {
if _, err := db.Exec(ctx, "UPDATE `user` SET num_stars=num_stars-1 WHERE id IN (SELECT `uid` FROM `star` WHERE repo_id = ?)", repoID); err != nil {
return err
}
if _, err := db.Exec(ctx, "UPDATE `repository` SET num_stars = 0 WHERE id = ?", repoID); err != nil {
return err
}
return db.DeleteBeans(ctx, Star{RepoID: repoID})
}