forgejo/models/activities/notification.go

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// Copyright 2016 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package activities
import (
"context"
"fmt"
"net/url"
"strconv"
"code.gitea.io/gitea/models/db"
issues_model "code.gitea.io/gitea/models/issues"
"code.gitea.io/gitea/models/organization"
access_model "code.gitea.io/gitea/models/perm/access"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unit"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/builder"
"xorm.io/xorm"
)
type (
// NotificationStatus is the status of the notification (read or unread)
NotificationStatus uint8
// NotificationSource is the source of the notification (issue, PR, commit, etc)
NotificationSource uint8
)
const (
// NotificationStatusUnread represents an unread notification
NotificationStatusUnread NotificationStatus = iota + 1
// NotificationStatusRead represents a read notification
NotificationStatusRead
// NotificationStatusPinned represents a pinned notification
NotificationStatusPinned
)
const (
// NotificationSourceIssue is a notification of an issue
NotificationSourceIssue NotificationSource = iota + 1
// NotificationSourcePullRequest is a notification of a pull request
NotificationSourcePullRequest
// NotificationSourceCommit is a notification of a commit
NotificationSourceCommit
// NotificationSourceRepository is a notification for a repository
NotificationSourceRepository
)
// Notification represents a notification
type Notification struct {
ID int64 `xorm:"pk autoincr"`
UserID int64 `xorm:"INDEX NOT NULL"`
RepoID int64 `xorm:"INDEX NOT NULL"`
Status NotificationStatus `xorm:"SMALLINT INDEX NOT NULL"`
Source NotificationSource `xorm:"SMALLINT INDEX NOT NULL"`
IssueID int64 `xorm:"INDEX NOT NULL"`
CommitID string `xorm:"INDEX"`
CommentID int64
UpdatedBy int64 `xorm:"INDEX NOT NULL"`
Issue *issues_model.Issue `xorm:"-"`
Repository *repo_model.Repository `xorm:"-"`
Comment *issues_model.Comment `xorm:"-"`
User *user_model.User `xorm:"-"`
CreatedUnix timeutil.TimeStamp `xorm:"created INDEX NOT NULL"`
UpdatedUnix timeutil.TimeStamp `xorm:"updated INDEX NOT NULL"`
}
func init() {
db.RegisterModel(new(Notification))
}
// FindNotificationOptions represent the filters for notifications. If an ID is 0 it will be ignored.
type FindNotificationOptions struct {
db.ListOptions
UserID int64
RepoID int64
IssueID int64
Status []NotificationStatus
Source []NotificationSource
UpdatedAfterUnix int64
UpdatedBeforeUnix int64
}
// ToCond will convert each condition into a xorm-Cond
func (opts *FindNotificationOptions) ToCond() builder.Cond {
cond := builder.NewCond()
if opts.UserID != 0 {
cond = cond.And(builder.Eq{"notification.user_id": opts.UserID})
}
if opts.RepoID != 0 {
cond = cond.And(builder.Eq{"notification.repo_id": opts.RepoID})
}
if opts.IssueID != 0 {
cond = cond.And(builder.Eq{"notification.issue_id": opts.IssueID})
}
if len(opts.Status) > 0 {
cond = cond.And(builder.In("notification.status", opts.Status))
}
if len(opts.Source) > 0 {
cond = cond.And(builder.In("notification.source", opts.Source))
}
if opts.UpdatedAfterUnix != 0 {
cond = cond.And(builder.Gte{"notification.updated_unix": opts.UpdatedAfterUnix})
}
if opts.UpdatedBeforeUnix != 0 {
cond = cond.And(builder.Lte{"notification.updated_unix": opts.UpdatedBeforeUnix})
}
return cond
}
// ToSession will convert the given options to a xorm Session by using the conditions from ToCond and joining with issue table if required
func (opts *FindNotificationOptions) ToSession(ctx context.Context) *xorm.Session {
sess := db.GetEngine(ctx).Where(opts.ToCond())
if opts.Page != 0 {
sess = db.SetSessionPagination(sess, opts)
}
return sess
}
// GetNotifications returns all notifications that fit to the given options.
func GetNotifications(ctx context.Context, options *FindNotificationOptions) (nl NotificationList, err error) {
err = options.ToSession(ctx).OrderBy("notification.updated_unix DESC").Find(&nl)
return nl, err
}
// CountNotifications count all notifications that fit to the given options and ignore pagination.
func CountNotifications(ctx context.Context, opts *FindNotificationOptions) (int64, error) {
return db.GetEngine(ctx).Where(opts.ToCond()).Count(&Notification{})
}
// CreateRepoTransferNotification creates notification for the user a repository was transferred to
func CreateRepoTransferNotification(ctx context.Context, doer, newOwner *user_model.User, repo *repo_model.Repository) error {
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return db.WithTx(ctx, func(ctx context.Context) error {
var notify []*Notification
if newOwner.IsOrganization() {
users, err := organization.GetUsersWhoCanCreateOrgRepo(ctx, newOwner.ID)
if err != nil || len(users) == 0 {
return err
}
for i := range users {
notify = append(notify, &Notification{
UserID: i,
RepoID: repo.ID,
Status: NotificationStatusUnread,
UpdatedBy: doer.ID,
Source: NotificationSourceRepository,
})
}
} else {
notify = []*Notification{{
UserID: newOwner.ID,
RepoID: repo.ID,
Status: NotificationStatusUnread,
UpdatedBy: doer.ID,
Source: NotificationSourceRepository,
}}
}
return db.Insert(ctx, notify)
})
}
// CreateOrUpdateIssueNotifications creates an issue notification
// for each watcher, or updates it if already exists
// receiverID > 0 just send to receiver, else send to all watcher
func CreateOrUpdateIssueNotifications(ctx context.Context, issueID, commentID, notificationAuthorID, receiverID int64) error {
ctx, committer, err := db.TxContext(ctx)
if err != nil {
return err
}
defer committer.Close()
if err := createOrUpdateIssueNotifications(ctx, issueID, commentID, notificationAuthorID, receiverID); err != nil {
return err
}
return committer.Commit()
}
func createOrUpdateIssueNotifications(ctx context.Context, issueID, commentID, notificationAuthorID, receiverID int64) error {
// init
var toNotify container.Set[int64]
notifications, err := getNotificationsByIssueID(ctx, issueID)
if err != nil {
return err
}
issue, err := issues_model.GetIssueByID(ctx, issueID)
if err != nil {
return err
}
if receiverID > 0 {
toNotify = make(container.Set[int64], 1)
toNotify.Add(receiverID)
} else {
toNotify = make(container.Set[int64], 32)
issueWatches, err := issues_model.GetIssueWatchersIDs(ctx, issueID, true)
if err != nil {
return err
}
toNotify.AddMultiple(issueWatches...)
if !(issue.IsPull && issues_model.HasWorkInProgressPrefix(issue.Title)) {
repoWatches, err := repo_model.GetRepoWatchersIDs(ctx, issue.RepoID)
if err != nil {
return err
}
toNotify.AddMultiple(repoWatches...)
}
issueParticipants, err := issue.GetParticipantIDsByIssue(ctx)
if err != nil {
return err
}
toNotify.AddMultiple(issueParticipants...)
// dont notify user who cause notification
delete(toNotify, notificationAuthorID)
// explicit unwatch on issue
issueUnWatches, err := issues_model.GetIssueWatchersIDs(ctx, issueID, false)
if err != nil {
return err
}
for _, id := range issueUnWatches {
toNotify.Remove(id)
}
}
err = issue.LoadRepo(ctx)
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if err != nil {
return err
}
// notify
for userID := range toNotify {
issue.Repo.Units = nil
user, err := user_model.GetUserByID(ctx, userID)
if err != nil {
if user_model.IsErrUserNotExist(err) {
continue
}
return err
}
if issue.IsPull && !access_model.CheckRepoUnitUser(ctx, issue.Repo, user, unit.TypePullRequests) {
continue
}
if !issue.IsPull && !access_model.CheckRepoUnitUser(ctx, issue.Repo, user, unit.TypeIssues) {
continue
}
if notificationExists(notifications, issue.ID, userID) {
if err = updateIssueNotification(ctx, userID, issue.ID, commentID, notificationAuthorID); err != nil {
return err
}
continue
}
if err = createIssueNotification(ctx, userID, issue, commentID, notificationAuthorID); err != nil {
return err
}
}
return nil
}
func getNotificationsByIssueID(ctx context.Context, issueID int64) (notifications []*Notification, err error) {
err = db.GetEngine(ctx).
Where("issue_id = ?", issueID).
Find(&notifications)
return notifications, err
}
func notificationExists(notifications []*Notification, issueID, userID int64) bool {
for _, notification := range notifications {
if notification.IssueID == issueID && notification.UserID == userID {
return true
}
}
return false
}
func createIssueNotification(ctx context.Context, userID int64, issue *issues_model.Issue, commentID, updatedByID int64) error {
notification := &Notification{
UserID: userID,
RepoID: issue.RepoID,
Status: NotificationStatusUnread,
IssueID: issue.ID,
CommentID: commentID,
UpdatedBy: updatedByID,
}
if issue.IsPull {
notification.Source = NotificationSourcePullRequest
} else {
notification.Source = NotificationSourceIssue
}
return db.Insert(ctx, notification)
}
func updateIssueNotification(ctx context.Context, userID, issueID, commentID, updatedByID int64) error {
notification, err := GetIssueNotification(ctx, userID, issueID)
if err != nil {
return err
}
// NOTICE: Only update comment id when the before notification on this issue is read, otherwise you may miss some old comments.
// But we need update update_by so that the notification will be reorder
var cols []string
if notification.Status == NotificationStatusRead {
notification.Status = NotificationStatusUnread
notification.CommentID = commentID
cols = []string{"status", "update_by", "comment_id"}
} else {
notification.UpdatedBy = updatedByID
cols = []string{"update_by"}
}
_, err = db.GetEngine(ctx).ID(notification.ID).Cols(cols...).Update(notification)
return err
}
// GetIssueNotification return the notification about an issue
func GetIssueNotification(ctx context.Context, userID, issueID int64) (*Notification, error) {
notification := new(Notification)
_, err := db.GetEngine(ctx).
Where("user_id = ?", userID).
And("issue_id = ?", issueID).
Get(notification)
return notification, err
}
// NotificationsForUser returns notifications for a given user and status
func NotificationsForUser(ctx context.Context, user *user_model.User, statuses []NotificationStatus, page, perPage int) (notifications NotificationList, err error) {
if len(statuses) == 0 {
return nil, nil
}
sess := db.GetEngine(ctx).
Where("user_id = ?", user.ID).
In("status", statuses).
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OrderBy("updated_unix DESC")
if page > 0 && perPage > 0 {
sess.Limit(perPage, (page-1)*perPage)
}
err = sess.Find(&notifications)
return notifications, err
}
// CountUnread count unread notifications for a user
func CountUnread(ctx context.Context, userID int64) int64 {
exist, err := db.GetEngine(ctx).Where("user_id = ?", userID).And("status = ?", NotificationStatusUnread).Count(new(Notification))
if err != nil {
log.Error("countUnread", err)
return 0
}
return exist
}
// LoadAttributes load Repo Issue User and Comment if not loaded
func (n *Notification) LoadAttributes(ctx context.Context) (err error) {
if err = n.loadRepo(ctx); err != nil {
return err
}
if err = n.loadIssue(ctx); err != nil {
return err
}
if err = n.loadUser(ctx); err != nil {
return err
}
if err = n.loadComment(ctx); err != nil {
return err
}
return err
}
func (n *Notification) loadRepo(ctx context.Context) (err error) {
if n.Repository == nil {
n.Repository, err = repo_model.GetRepositoryByID(ctx, n.RepoID)
if err != nil {
return fmt.Errorf("getRepositoryByID [%d]: %w", n.RepoID, err)
}
}
return nil
}
func (n *Notification) loadIssue(ctx context.Context) (err error) {
if n.Issue == nil && n.IssueID != 0 {
n.Issue, err = issues_model.GetIssueByID(ctx, n.IssueID)
if err != nil {
return fmt.Errorf("getIssueByID [%d]: %w", n.IssueID, err)
}
return n.Issue.LoadAttributes(ctx)
}
return nil
}
func (n *Notification) loadComment(ctx context.Context) (err error) {
if n.Comment == nil && n.CommentID != 0 {
n.Comment, err = issues_model.GetCommentByID(ctx, n.CommentID)
if err != nil {
if issues_model.IsErrCommentNotExist(err) {
return issues_model.ErrCommentNotExist{
ID: n.CommentID,
IssueID: n.IssueID,
}
}
return err
}
}
return nil
}
func (n *Notification) loadUser(ctx context.Context) (err error) {
if n.User == nil {
n.User, err = user_model.GetUserByID(ctx, n.UserID)
if err != nil {
return fmt.Errorf("getUserByID [%d]: %w", n.UserID, err)
}
}
return nil
}
// GetRepo returns the repo of the notification
func (n *Notification) GetRepo(ctx context.Context) (*repo_model.Repository, error) {
return n.Repository, n.loadRepo(ctx)
}
// GetIssue returns the issue of the notification
func (n *Notification) GetIssue(ctx context.Context) (*issues_model.Issue, error) {
return n.Issue, n.loadIssue(ctx)
}
// HTMLURL formats a URL-string to the notification
func (n *Notification) HTMLURL(ctx context.Context) string {
switch n.Source {
case NotificationSourceIssue, NotificationSourcePullRequest:
if n.Comment != nil {
return n.Comment.HTMLURL(ctx)
}
return n.Issue.HTMLURL()
case NotificationSourceCommit:
return n.Repository.HTMLURL() + "/commit/" + url.PathEscape(n.CommitID)
case NotificationSourceRepository:
return n.Repository.HTMLURL()
}
return ""
}
// Link formats a relative URL-string to the notification
func (n *Notification) Link(ctx context.Context) string {
switch n.Source {
case NotificationSourceIssue, NotificationSourcePullRequest:
if n.Comment != nil {
return n.Comment.Link(ctx)
}
return n.Issue.Link()
case NotificationSourceCommit:
return n.Repository.Link() + "/commit/" + url.PathEscape(n.CommitID)
case NotificationSourceRepository:
return n.Repository.Link()
}
return ""
}
// APIURL formats a URL-string to the notification
func (n *Notification) APIURL() string {
return setting.AppURL + "api/v1/notifications/threads/" + strconv.FormatInt(n.ID, 10)
}
// NotificationList contains a list of notifications
type NotificationList []*Notification
// LoadAttributes load Repo Issue User and Comment if not loaded
func (nl NotificationList) LoadAttributes(ctx context.Context) error {
var err error
for i := 0; i < len(nl); i++ {
err = nl[i].LoadAttributes(ctx)
if err != nil && !issues_model.IsErrCommentNotExist(err) {
return err
}
}
return nil
}
func (nl NotificationList) getPendingRepoIDs() []int64 {
ids := make(container.Set[int64], len(nl))
for _, notification := range nl {
if notification.Repository != nil {
continue
}
ids.Add(notification.RepoID)
}
return ids.Values()
}
// LoadRepos loads repositories from database
func (nl NotificationList) LoadRepos(ctx context.Context) (repo_model.RepositoryList, []int, error) {
if len(nl) == 0 {
return repo_model.RepositoryList{}, []int{}, nil
}
repoIDs := nl.getPendingRepoIDs()
repos := make(map[int64]*repo_model.Repository, len(repoIDs))
left := len(repoIDs)
for left > 0 {
limit := db.DefaultMaxInSize
if left < limit {
limit = left
}
rows, err := db.GetEngine(ctx).
In("id", repoIDs[:limit]).
Rows(new(repo_model.Repository))
if err != nil {
return nil, nil, err
}
for rows.Next() {
var repo repo_model.Repository
err = rows.Scan(&repo)
if err != nil {
rows.Close()
return nil, nil, err
}
repos[repo.ID] = &repo
}
_ = rows.Close()
left -= limit
repoIDs = repoIDs[limit:]
}
failed := []int{}
reposList := make(repo_model.RepositoryList, 0, len(repoIDs))
for i, notification := range nl {
if notification.Repository == nil {
notification.Repository = repos[notification.RepoID]
}
if notification.Repository == nil {
log.Error("Notification[%d]: RepoID: %d not found", notification.ID, notification.RepoID)
failed = append(failed, i)
continue
}
var found bool
for _, r := range reposList {
if r.ID == notification.RepoID {
found = true
break
}
}
if !found {
reposList = append(reposList, notification.Repository)
}
}
return reposList, failed, nil
}
func (nl NotificationList) getPendingIssueIDs() []int64 {
ids := make(container.Set[int64], len(nl))
for _, notification := range nl {
if notification.Issue != nil {
continue
}
ids.Add(notification.IssueID)
}
return ids.Values()
}
// LoadIssues loads issues from database
func (nl NotificationList) LoadIssues(ctx context.Context) ([]int, error) {
if len(nl) == 0 {
return []int{}, nil
}
issueIDs := nl.getPendingIssueIDs()
issues := make(map[int64]*issues_model.Issue, len(issueIDs))
left := len(issueIDs)
for left > 0 {
limit := db.DefaultMaxInSize
if left < limit {
limit = left
}
rows, err := db.GetEngine(ctx).
In("id", issueIDs[:limit]).
Rows(new(issues_model.Issue))
if err != nil {
return nil, err
}
for rows.Next() {
var issue issues_model.Issue
err = rows.Scan(&issue)
if err != nil {
rows.Close()
return nil, err
}
issues[issue.ID] = &issue
}
_ = rows.Close()
left -= limit
issueIDs = issueIDs[limit:]
}
failures := []int{}
for i, notification := range nl {
if notification.Issue == nil {
notification.Issue = issues[notification.IssueID]
if notification.Issue == nil {
if notification.IssueID != 0 {
log.Error("Notification[%d]: IssueID: %d Not Found", notification.ID, notification.IssueID)
failures = append(failures, i)
}
continue
}
notification.Issue.Repo = notification.Repository
}
}
return failures, nil
}
// Without returns the notification list without the failures
func (nl NotificationList) Without(failures []int) NotificationList {
if len(failures) == 0 {
return nl
}
remaining := make([]*Notification, 0, len(nl))
last := -1
var i int
for _, i = range failures {
remaining = append(remaining, nl[last+1:i]...)
last = i
}
if len(nl) > i {
remaining = append(remaining, nl[i+1:]...)
}
return remaining
}
func (nl NotificationList) getPendingCommentIDs() []int64 {
ids := make(container.Set[int64], len(nl))
for _, notification := range nl {
if notification.CommentID == 0 || notification.Comment != nil {
continue
}
ids.Add(notification.CommentID)
}
return ids.Values()
}
// LoadComments loads comments from database
func (nl NotificationList) LoadComments(ctx context.Context) ([]int, error) {
if len(nl) == 0 {
return []int{}, nil
}
commentIDs := nl.getPendingCommentIDs()
comments := make(map[int64]*issues_model.Comment, len(commentIDs))
left := len(commentIDs)
for left > 0 {
limit := db.DefaultMaxInSize
if left < limit {
limit = left
}
rows, err := db.GetEngine(ctx).
In("id", commentIDs[:limit]).
Rows(new(issues_model.Comment))
if err != nil {
return nil, err
}
for rows.Next() {
var comment issues_model.Comment
err = rows.Scan(&comment)
if err != nil {
rows.Close()
return nil, err
}
comments[comment.ID] = &comment
}
_ = rows.Close()
left -= limit
commentIDs = commentIDs[limit:]
}
failures := []int{}
for i, notification := range nl {
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if notification.CommentID > 0 && notification.Comment == nil && comments[notification.CommentID] != nil {
notification.Comment = comments[notification.CommentID]
if notification.Comment == nil {
log.Error("Notification[%d]: CommentID[%d] failed to load", notification.ID, notification.CommentID)
failures = append(failures, i)
continue
}
notification.Comment.Issue = notification.Issue
}
}
return failures, nil
}
// GetNotificationCount returns the notification count for user
func GetNotificationCount(ctx context.Context, user *user_model.User, status NotificationStatus) (count int64, err error) {
count, err = db.GetEngine(ctx).
Where("user_id = ?", user.ID).
And("status = ?", status).
Count(&Notification{})
return count, err
}
// UserIDCount is a simple coalition of UserID and Count
type UserIDCount struct {
UserID int64
Count int64
}
// GetUIDsAndNotificationCounts between the two provided times
func GetUIDsAndNotificationCounts(ctx context.Context, since, until timeutil.TimeStamp) ([]UserIDCount, error) {
sql := `SELECT user_id, count(*) AS count FROM notification ` +
`WHERE user_id IN (SELECT user_id FROM notification WHERE updated_unix >= ? AND ` +
`updated_unix < ?) AND status = ? GROUP BY user_id`
var res []UserIDCount
return res, db.GetEngine(ctx).SQL(sql, since, until, NotificationStatusUnread).Find(&res)
}
// SetIssueReadBy sets issue to be read by given user.
func SetIssueReadBy(ctx context.Context, issueID, userID int64) error {
if err := issues_model.UpdateIssueUserByRead(ctx, userID, issueID); err != nil {
return err
}
return setIssueNotificationStatusReadIfUnread(ctx, userID, issueID)
}
func setIssueNotificationStatusReadIfUnread(ctx context.Context, userID, issueID int64) error {
notification, err := GetIssueNotification(ctx, userID, issueID)
// ignore if not exists
if err != nil {
return nil
}
if notification.Status != NotificationStatusUnread {
return nil
}
notification.Status = NotificationStatusRead
_, err = db.GetEngine(ctx).ID(notification.ID).Cols("status").Update(notification)
return err
}
// SetRepoReadBy sets repo to be visited by given user.
func SetRepoReadBy(ctx context.Context, userID, repoID int64) error {
_, err := db.GetEngine(ctx).Where(builder.Eq{
"user_id": userID,
"status": NotificationStatusUnread,
"source": NotificationSourceRepository,
"repo_id": repoID,
}).Cols("status").Update(&Notification{Status: NotificationStatusRead})
return err
}
// SetNotificationStatus change the notification status
func SetNotificationStatus(ctx context.Context, notificationID int64, user *user_model.User, status NotificationStatus) (*Notification, error) {
notification, err := GetNotificationByID(ctx, notificationID)
if err != nil {
return notification, err
}
if notification.UserID != user.ID {
return nil, fmt.Errorf("Can't change notification of another user: %d, %d", notification.UserID, user.ID)
}
notification.Status = status
_, err = db.GetEngine(ctx).ID(notificationID).Update(notification)
return notification, err
}
// GetNotificationByID return notification by ID
func GetNotificationByID(ctx context.Context, notificationID int64) (*Notification, error) {
notification := new(Notification)
ok, err := db.GetEngine(ctx).
Where("id = ?", notificationID).
Get(notification)
if err != nil {
return nil, err
}
if !ok {
return nil, db.ErrNotExist{Resource: "notification", ID: notificationID}
}
return notification, nil
}
// UpdateNotificationStatuses updates the statuses of all of a user's notifications that are of the currentStatus type to the desiredStatus
func UpdateNotificationStatuses(ctx context.Context, user *user_model.User, currentStatus, desiredStatus NotificationStatus) error {
n := &Notification{Status: desiredStatus, UpdatedBy: user.ID}
_, err := db.GetEngine(ctx).
Where("user_id = ? AND status = ?", user.ID, currentStatus).
Cols("status", "updated_by", "updated_unix").
Update(n)
return err
}