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https://codeberg.org/forgejo/forgejo.git
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34283a74e8
Fix #19513 This PR introduce a new db method `InTransaction(context.Context)`, and also builtin check on `db.TxContext` and `db.WithTx`. There is also a new method `db.AutoTx` has been introduced but could be used by other PRs. `WithTx` will always open a new transaction, if a transaction exist in context, return an error. `AutoTx` will try to open a new transaction if no transaction exist in context. That means it will always enter a transaction if there is no error. Co-authored-by: delvh <dev.lh@web.de> Co-authored-by: 6543 <6543@obermui.de>
88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
// 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 repo
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import (
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"context"
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"code.gitea.io/gitea/models/db"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/timeutil"
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)
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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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CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
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}
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func init() {
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db.RegisterModel(new(Star))
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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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ctx, committer, err := db.TxContext(db.DefaultContext)
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if err != nil {
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return err
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}
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defer committer.Close()
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staring := IsStaring(ctx, userID, repoID)
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if star {
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if staring {
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return nil
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}
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if err := db.Insert(ctx, &Star{UID: userID, RepoID: repoID}); err != nil {
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return err
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}
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if _, err := db.Exec(ctx, "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 := db.Exec(ctx, "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 !staring {
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return nil
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}
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if _, err := db.DeleteByBean(ctx, &Star{UID: userID, RepoID: repoID}); err != nil {
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return err
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}
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if _, err := db.Exec(ctx, "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 := db.Exec(ctx, "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 committer.Commit()
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}
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// IsStaring checks if user has starred given repository.
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func IsStaring(ctx context.Context, userID, repoID int64) bool {
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has, _ := db.GetEngine(ctx).Get(&Star{UID: userID, RepoID: 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 GetStargazers(repo *Repository, opts db.ListOptions) ([]*user_model.User, error) {
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sess := db.GetEngine(db.DefaultContext).Where("star.repo_id = ?", repo.ID).
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Join("LEFT", "star", "`user`.id = star.uid")
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if opts.Page > 0 {
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sess = db.SetSessionPagination(sess, &opts)
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users := make([]*user_model.User, 0, opts.PageSize)
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return users, sess.Find(&users)
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}
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users := make([]*user_model.User, 0, 8)
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return users, sess.Find(&users)
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}
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