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gitea/models/user/follow.go
KN4CK3R c337ff0ec7
Add user blocking (#29028)
Fixes #17453

This PR adds the abbility to block a user from a personal account or
organization to restrict how the blocked user can interact with the
blocker. The docs explain what's the consequence of blocking a user.

Screenshots:


![grafik](https://github.com/go-gitea/gitea/assets/1666336/4ed884f3-e06a-4862-afd3-3b8aa2488dc6)


![grafik](https://github.com/go-gitea/gitea/assets/1666336/ae6d4981-f252-4f50-a429-04f0f9f1cdf1)


![grafik](https://github.com/go-gitea/gitea/assets/1666336/ca153599-5b0f-4b4a-90fe-18bdfd6f0b6b)

---------

Co-authored-by: Lauris BH <lauris@nix.lv>
2024-03-04 08:16:03 +00:00

85 lines
2.3 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package user
import (
"context"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/timeutil"
)
// Follow represents relations of user and their followers.
type Follow struct {
ID int64 `xorm:"pk autoincr"`
UserID int64 `xorm:"UNIQUE(follow)"`
FollowID int64 `xorm:"UNIQUE(follow)"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
}
func init() {
db.RegisterModel(new(Follow))
}
// IsFollowing returns true if user is following followID.
func IsFollowing(ctx context.Context, userID, followID int64) bool {
has, _ := db.GetEngine(ctx).Get(&Follow{UserID: userID, FollowID: followID})
return has
}
// FollowUser marks someone be another's follower.
func FollowUser(ctx context.Context, user, follow *User) (err error) {
if user.ID == follow.ID || IsFollowing(ctx, user.ID, follow.ID) {
return nil
}
if IsUserBlockedBy(ctx, user, follow.ID) || IsUserBlockedBy(ctx, follow, user.ID) {
return ErrBlockedUser
}
ctx, committer, err := db.TxContext(ctx)
if err != nil {
return err
}
defer committer.Close()
if err = db.Insert(ctx, &Follow{UserID: user.ID, FollowID: follow.ID}); err != nil {
return err
}
if _, err = db.Exec(ctx, "UPDATE `user` SET num_followers = num_followers + 1 WHERE id = ?", follow.ID); err != nil {
return err
}
if _, err = db.Exec(ctx, "UPDATE `user` SET num_following = num_following + 1 WHERE id = ?", user.ID); err != nil {
return err
}
return committer.Commit()
}
// UnfollowUser unmarks someone as another's follower.
func UnfollowUser(ctx context.Context, userID, followID int64) (err error) {
if userID == followID || !IsFollowing(ctx, userID, followID) {
return nil
}
ctx, committer, err := db.TxContext(ctx)
if err != nil {
return err
}
defer committer.Close()
if _, err = db.DeleteByBean(ctx, &Follow{UserID: userID, FollowID: followID}); err != nil {
return err
}
if _, err = db.Exec(ctx, "UPDATE `user` SET num_followers = num_followers - 1 WHERE id = ?", followID); err != nil {
return err
}
if _, err = db.Exec(ctx, "UPDATE `user` SET num_following = num_following - 1 WHERE id = ?", userID); err != nil {
return err
}
return committer.Commit()
}