[MODERATION] Refactor excluding watchers mechanism (squash)

This solves two bugs. One bug is that due to the JOIN with the
`forgejo_blocked_users` table, duplicated users were generated if a user
had more than one user blocked, this lead to receiving more than one
entry in the actions table. The other bug is that if a user blocked more
than one user, it would still receive a action entry by a
blocked user, because the SQL query would not exclude the other
duplicated users that was generated by the JOIN.

The new solution is somewhat non-optimal in my eyes, but it's better
than rewriting the query to become a potential perfomance blocker (usage
of WHERE IN, which cannot be rewritten to a JOIN). It simply removes the
watchers after it was retrieved by the SQL query.
This commit is contained in:
Gusted 2024-01-15 00:22:06 +01:00
parent cd1eadd923
commit c63c00b39b
No known key found for this signature in database
GPG key ID: FD821B732837125F
5 changed files with 87 additions and 17 deletions

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@ -9,6 +9,7 @@ import (
"fmt"
"net/url"
"path"
"slices"
"strconv"
"strings"
"time"
@ -21,6 +22,7 @@ import (
"code.gitea.io/gitea/models/unit"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
@ -591,10 +593,25 @@ func NotifyWatchers(ctx context.Context, actions ...*Action) error {
if repoChanged {
// Add feeds for user self and all watchers.
watchers, err = repo_model.GetWatchersExcludeBlocked(ctx, act.RepoID, act.ActUserID)
watchers, err = repo_model.GetWatchers(ctx, act.RepoID)
if err != nil {
return fmt.Errorf("get watchers: %w", err)
}
// Be aware that optimizing this correctly into the `GetWatchers` SQL
// query is for most cases less performant than doing this.
blockedDoerUserIDs, err := user_model.ListBlockedByUsersID(ctx, act.ActUserID)
if err != nil {
return fmt.Errorf("user_model.ListBlockedByUsersID: %w", err)
}
if len(blockedDoerUserIDs) > 0 {
excludeWatcherIDs := make(container.Set[int64], len(blockedDoerUserIDs))
excludeWatcherIDs.AddMultiple(blockedDoerUserIDs...)
watchers = slices.DeleteFunc(watchers, func(v *repo_model.Watch) bool {
return excludeWatcherIDs.Contains(v.UserID)
})
}
}
// Add feed for actioner.

View file

@ -10,8 +10,6 @@ import (
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/builder"
)
// WatchMode specifies what kind of watch the user has on a repository
@ -131,18 +129,14 @@ func WatchRepo(ctx context.Context, userID, repoID int64, doWatch bool) (err err
return err
}
// GetWatchersExcludeBlocked returns all watchers of given repository, whereby
// the doer isn't blocked by one of the watchers.
func GetWatchersExcludeBlocked(ctx context.Context, repoID, doerID int64) ([]*Watch, error) {
// GetWatchers returns all watchers of given repository.
func GetWatchers(ctx context.Context, repoID int64) ([]*Watch, error) {
watches := make([]*Watch, 0, 10)
return watches, db.GetEngine(ctx).
Join("INNER", "`user`", "`user`.id = `watch`.user_id").
Join("LEFT", "forgejo_blocked_user", "forgejo_blocked_user.user_id = `watch`.user_id").
Where("`watch`.repo_id=?", repoID).
return watches, db.GetEngine(ctx).Where("`watch`.repo_id=?", repoID).
And("`watch`.mode<>?", WatchModeDont).
And("`user`.is_active=?", true).
And("`user`.prohibit_login=?", false).
And(builder.Or(builder.IsNull{"`forgejo_blocked_user`.block_id"}, builder.Neq{"`forgejo_blocked_user`.block_id": doerID})).
Join("INNER", "`user`", "`user`.id = `watch`.user_id").
Find(&watches)
}

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@ -26,20 +26,19 @@ func TestIsWatching(t *testing.T) {
assert.False(t, repo_model.IsWatching(db.DefaultContext, unittest.NonexistentID, unittest.NonexistentID))
}
func TestGetWatchersExcludeBlocked(t *testing.T) {
func TestGetWatchers(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
watches, err := repo_model.GetWatchersExcludeBlocked(db.DefaultContext, repo.ID, 1)
watches, err := repo_model.GetWatchers(db.DefaultContext, repo.ID)
assert.NoError(t, err)
// One watchers are inactive and one watcher is blocked, thus minus 2
assert.Len(t, watches, repo.NumWatches-2)
// One watchers are inactive, thus minus 1
assert.Len(t, watches, repo.NumWatches-1)
for _, watch := range watches {
assert.EqualValues(t, repo.ID, watch.RepoID)
}
watches, err = repo_model.GetWatchersExcludeBlocked(db.DefaultContext, unittest.NonexistentID, 1)
watches, err = repo_model.GetWatchers(db.DefaultContext, unittest.NonexistentID)
assert.NoError(t, err)
assert.Len(t, watches, 0)
}

View file

@ -11,6 +11,8 @@ import (
"strconv"
"testing"
"code.gitea.io/gitea/models/activities"
"code.gitea.io/gitea/models/db"
issue_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
@ -390,3 +392,45 @@ func TestBlockActions(t *testing.T) {
)
})
}
func TestBlockedNotification(t *testing.T) {
defer tests.AddFixtures("tests/integration/fixtures/TestBlockedNotifications")()
defer tests.PrepareTestEnv(t)()
doer := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
normalUser := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
blockedUser := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 10})
issue := unittest.AssertExistsAndLoadBean(t, &issue_model.Issue{ID: 1000})
repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: issue.RepoID})
issueURL := fmt.Sprintf("%s/issues/%d", repo.FullName(), issue.Index)
notificationBean := &activities.Notification{UserID: doer.ID, RepoID: repo.ID, IssueID: issue.ID}
assert.False(t, user_model.IsBlocked(db.DefaultContext, doer.ID, normalUser.ID))
BlockUser(t, doer, blockedUser)
mentionDoer := func(t *testing.T, session *TestSession) {
t.Helper()
req := NewRequestWithValues(t, "POST", issueURL+"/comments", map[string]string{
"_csrf": GetCSRF(t, session, issueURL),
"content": "I'm annoying. Pinging @" + doer.Name,
})
session.MakeRequest(t, req, http.StatusOK)
}
t.Run("Blocks notification of blocked user", func(t *testing.T) {
session := loginUser(t, blockedUser.Name)
unittest.AssertNotExistsBean(t, notificationBean)
mentionDoer(t, session)
unittest.AssertNotExistsBean(t, notificationBean)
})
t.Run("Do not block notifications of normal user", func(t *testing.T) {
session := loginUser(t, normalUser.Name)
unittest.AssertNotExistsBean(t, notificationBean)
mentionDoer(t, session)
unittest.AssertExistsAndLoadBean(t, notificationBean)
})
}

View file

@ -0,0 +1,16 @@
-
id: 1000
repo_id: 4
index: 1000
poster_id: 10
original_author_id: 0
name: issue for moderation
content: Hello there!
milestone_id: 0
priority: 0
is_closed: false
is_pull: false
num_comments: 0
created_unix: 1705939088
updated_unix: 1705939088
is_locked: false