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gitea/models/notification.go

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// Copyright 2016 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"fmt"
"path"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"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
)
// 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 *Issue `xorm:"-"`
Repository *Repository `xorm:"-"`
Comment *Comment `xorm:"-"`
User *User `xorm:"-"`
CreatedUnix timeutil.TimeStamp `xorm:"created INDEX NOT NULL"`
UpdatedUnix timeutil.TimeStamp `xorm:"updated INDEX NOT NULL"`
}
// FindNotificationOptions represent the filters for notifications. If an ID is 0 it will be ignored.
type FindNotificationOptions struct {
ListOptions
UserID int64
RepoID int64
IssueID int64
Status []NotificationStatus
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 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(e Engine) *xorm.Session {
sess := e.Where(opts.ToCond())
if opts.Page != 0 {
sess = opts.setSessionPagination(sess)
}
return sess
}
func getNotifications(e Engine, options FindNotificationOptions) (nl NotificationList, err error) {
err = options.ToSession(e).OrderBy("notification.updated_unix DESC").Find(&nl)
return
}
// GetNotifications returns all notifications that fit to the given options.
func GetNotifications(opts FindNotificationOptions) (NotificationList, error) {
return getNotifications(x, opts)
}
// CreateOrUpdateIssueNotifications creates an issue notification
// for each watcher, or updates it if already exists
// receiverID > 0 just send to reciver, else send to all watcher
func CreateOrUpdateIssueNotifications(issueID, commentID, notificationAuthorID, receiverID int64) error {
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
if err := createOrUpdateIssueNotifications(sess, issueID, commentID, notificationAuthorID, receiverID); err != nil {
return err
}
return sess.Commit()
}
func createOrUpdateIssueNotifications(e Engine, issueID, commentID, notificationAuthorID, receiverID int64) error {
// init
var toNotify map[int64]struct{}
notifications, err := getNotificationsByIssueID(e, issueID)
if err != nil {
return err
}
issue, err := getIssueByID(e, issueID)
if err != nil {
return err
}
if receiverID > 0 {
toNotify = make(map[int64]struct{}, 1)
toNotify[receiverID] = struct{}{}
} else {
toNotify = make(map[int64]struct{}, 32)
issueWatches, err := getIssueWatchersIDs(e, issueID, true)
if err != nil {
return err
}
for _, id := range issueWatches {
toNotify[id] = struct{}{}
}
repoWatches, err := getRepoWatchersIDs(e, issue.RepoID)
if err != nil {
return err
}
for _, id := range repoWatches {
toNotify[id] = struct{}{}
}
issueParticipants, err := issue.getParticipantIDsByIssue(e)
if err != nil {
return err
}
for _, id := range issueParticipants {
toNotify[id] = struct{}{}
}
// dont notify user who cause notification
delete(toNotify, notificationAuthorID)
// explicit unwatch on issue
issueUnWatches, err := getIssueWatchersIDs(e, issueID, false)
if err != nil {
return err
}
for _, id := range issueUnWatches {
delete(toNotify, id)
}
}
err = issue.loadRepo(e)
if err != nil {
return err
}
// notify
for userID := range toNotify {
issue.Repo.Units = nil
user, err := getUserByID(e, userID)
if err != nil {
if IsErrUserNotExist(err) {
continue
}
return err
}
if issue.IsPull && !issue.Repo.checkUnitUser(e, user, UnitTypePullRequests) {
continue
}
if !issue.IsPull && !issue.Repo.checkUnitUser(e, user, UnitTypeIssues) {
continue
}
if notificationExists(notifications, issue.ID, userID) {
if err = updateIssueNotification(e, userID, issue.ID, commentID, notificationAuthorID); err != nil {
return err
}
continue
}
if err = createIssueNotification(e, userID, issue, commentID, notificationAuthorID); err != nil {
return err
}
}
return nil
}
func getNotificationsByIssueID(e Engine, issueID int64) (notifications []*Notification, err error) {
err = e.
Where("issue_id = ?", issueID).
Find(&notifications)
return
}
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(e Engine, userID int64, issue *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
}
_, err := e.Insert(notification)
return err
}
func updateIssueNotification(e Engine, userID, issueID, commentID, updatedByID int64) error {
notification, err := getIssueNotification(e, 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 = e.ID(notification.ID).Cols(cols...).Update(notification)
return err
}
func getIssueNotification(e Engine, userID, issueID int64) (*Notification, error) {
notification := new(Notification)
_, err := e.
Where("user_id = ?", userID).
And("issue_id = ?", issueID).
Get(notification)
return notification, err
}
// NotificationsForUser returns notifications for a given user and status
func NotificationsForUser(user *User, statuses []NotificationStatus, page, perPage int) (NotificationList, error) {
return notificationsForUser(x, user, statuses, page, perPage)
}
func notificationsForUser(e Engine, user *User, statuses []NotificationStatus, page, perPage int) (notifications []*Notification, err error) {
if len(statuses) == 0 {
return
}
sess := e.
Where("user_id = ?", user.ID).
In("status", statuses).
OrderBy("updated_unix DESC")
if page > 0 && perPage > 0 {
sess.Limit(perPage, (page-1)*perPage)
}
err = sess.Find(&notifications)
return
}
// CountUnread count unread notifications for a user
func CountUnread(user *User) int64 {
return countUnread(x, user.ID)
}
func countUnread(e Engine, userID int64) int64 {
exist, err := e.Where("user_id = ?", userID).And("status = ?", NotificationStatusUnread).Count(new(Notification))
if err != nil {
log.Error("countUnread", err)
return 0
}
return exist
}
// APIFormat converts a Notification to api.NotificationThread
func (n *Notification) APIFormat() *api.NotificationThread {
result := &api.NotificationThread{
ID: n.ID,
Unread: !(n.Status == NotificationStatusRead || n.Status == NotificationStatusPinned),
Pinned: n.Status == NotificationStatusPinned,
UpdatedAt: n.UpdatedUnix.AsTime(),
URL: n.APIURL(),
}
//since user only get notifications when he has access to use minimal access mode
if n.Repository != nil {
result.Repository = n.Repository.APIFormat(AccessModeRead)
}
//handle Subject
switch n.Source {
case NotificationSourceIssue:
result.Subject = &api.NotificationSubject{Type: "Issue"}
if n.Issue != nil {
result.Subject.Title = n.Issue.Title
result.Subject.URL = n.Issue.APIURL()
result.Subject.State = n.Issue.State()
comment, err := n.Issue.GetLastComment()
if err == nil && comment != nil {
result.Subject.LatestCommentURL = comment.APIURL()
}
}
case NotificationSourcePullRequest:
result.Subject = &api.NotificationSubject{Type: "Pull"}
if n.Issue != nil {
result.Subject.Title = n.Issue.Title
result.Subject.URL = n.Issue.APIURL()
result.Subject.State = n.Issue.State()
comment, err := n.Issue.GetLastComment()
if err == nil && comment != nil {
result.Subject.LatestCommentURL = comment.APIURL()
}
}
case NotificationSourceCommit:
result.Subject = &api.NotificationSubject{
Type: "Commit",
Title: n.CommitID,
}
//unused until now
}
return result
}
// LoadAttributes load Repo Issue User and Comment if not loaded
func (n *Notification) LoadAttributes() (err error) {
return n.loadAttributes(x)
}
func (n *Notification) loadAttributes(e Engine) (err error) {
if err = n.loadRepo(e); err != nil {
return
}
if err = n.loadIssue(e); err != nil {
return
}
if err = n.loadUser(e); err != nil {
return
}
if err = n.loadComment(e); err != nil {
return
}
return
}
func (n *Notification) loadRepo(e Engine) (err error) {
if n.Repository == nil {
n.Repository, err = getRepositoryByID(e, n.RepoID)
if err != nil {
return fmt.Errorf("getRepositoryByID [%d]: %v", n.RepoID, err)
}
}
return nil
}
func (n *Notification) loadIssue(e Engine) (err error) {
if n.Issue == nil {
n.Issue, err = getIssueByID(e, n.IssueID)
if err != nil {
return fmt.Errorf("getIssueByID [%d]: %v", n.IssueID, err)
}
return n.Issue.loadAttributes(e)
}
return nil
}
func (n *Notification) loadComment(e Engine) (err error) {
if n.Comment == nil && n.CommentID > 0 {
n.Comment, err = getCommentByID(e, n.CommentID)
if err != nil {
return fmt.Errorf("GetCommentByID [%d] for issue ID [%d]: %v", n.CommentID, n.IssueID, err)
}
}
return nil
}
func (n *Notification) loadUser(e Engine) (err error) {
if n.User == nil {
n.User, err = getUserByID(e, n.UserID)
if err != nil {
return fmt.Errorf("getUserByID [%d]: %v", n.UserID, err)
}
}
return nil
}
// GetRepo returns the repo of the notification
func (n *Notification) GetRepo() (*Repository, error) {
return n.Repository, n.loadRepo(x)
}
// GetIssue returns the issue of the notification
func (n *Notification) GetIssue() (*Issue, error) {
return n.Issue, n.loadIssue(x)
}
// HTMLURL formats a URL-string to the notification
func (n *Notification) HTMLURL() string {
if n.Comment != nil {
return n.Comment.HTMLURL()
}
return n.Issue.HTMLURL()
}
// APIURL formats a URL-string to the notification
func (n *Notification) APIURL() string {
return setting.AppURL + path.Join("api/v1/notifications/threads", fmt.Sprintf("%d", n.ID))
}
// NotificationList contains a list of notifications
type NotificationList []*Notification
// APIFormat converts a NotificationList to api.NotificationThread list
func (nl NotificationList) APIFormat() []*api.NotificationThread {
var result = make([]*api.NotificationThread, 0, len(nl))
for _, n := range nl {
result = append(result, n.APIFormat())
}
return result
}
// LoadAttributes load Repo Issue User and Comment if not loaded
func (nl NotificationList) LoadAttributes() (err error) {
for i := 0; i < len(nl); i++ {
err = nl[i].LoadAttributes()
if err != nil {
return
}
}
return
}
func (nl NotificationList) getPendingRepoIDs() []int64 {
var ids = make(map[int64]struct{}, len(nl))
for _, notification := range nl {
if notification.Repository != nil {
continue
}
if _, ok := ids[notification.RepoID]; !ok {
ids[notification.RepoID] = struct{}{}
}
}
return keysInt64(ids)
}
// LoadRepos loads repositories from database
func (nl NotificationList) LoadRepos() (RepositoryList, []int, error) {
if len(nl) == 0 {
return RepositoryList{}, []int{}, nil
}
var repoIDs = nl.getPendingRepoIDs()
var repos = make(map[int64]*Repository, len(repoIDs))
var left = len(repoIDs)
for left > 0 {
var limit = defaultMaxInSize
if left < limit {
limit = left
}
rows, err := x.
In("id", repoIDs[:limit]).
Rows(new(Repository))
if err != nil {
return nil, nil, err
}
for rows.Next() {
var repo 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{}
var reposList = make(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 {
var ids = make(map[int64]struct{}, len(nl))
for _, notification := range nl {
if notification.Issue != nil {
continue
}
if _, ok := ids[notification.IssueID]; !ok {
ids[notification.IssueID] = struct{}{}
}
}
return keysInt64(ids)
}
// LoadIssues loads issues from database
func (nl NotificationList) LoadIssues() ([]int, error) {
if len(nl) == 0 {
return []int{}, nil
}
var issueIDs = nl.getPendingIssueIDs()
var issues = make(map[int64]*Issue, len(issueIDs))
var left = len(issueIDs)
for left > 0 {
var limit = defaultMaxInSize
if left < limit {
limit = left
}
rows, err := x.
In("id", issueIDs[:limit]).
Rows(new(Issue))
if err != nil {
return nil, err
}
for rows.Next() {
var issue 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 {
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 {
var ids = make(map[int64]struct{}, len(nl))
for _, notification := range nl {
if notification.CommentID == 0 || notification.Comment != nil {
continue
}
if _, ok := ids[notification.CommentID]; !ok {
ids[notification.CommentID] = struct{}{}
}
}
return keysInt64(ids)
}
// LoadComments loads comments from database
func (nl NotificationList) LoadComments() ([]int, error) {
if len(nl) == 0 {
return []int{}, nil
}
var commentIDs = nl.getPendingCommentIDs()
var comments = make(map[int64]*Comment, len(commentIDs))
var left = len(commentIDs)
for left > 0 {
var limit = defaultMaxInSize
if left < limit {
limit = left
}
rows, err := x.
In("id", commentIDs[:limit]).
Rows(new(Comment))
if err != nil {
return nil, err
}
for rows.Next() {
var comment 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 {
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(user *User, status NotificationStatus) (int64, error) {
return getNotificationCount(x, user, status)
}
func getNotificationCount(e Engine, user *User, status NotificationStatus) (count int64, err error) {
count, err = e.
Where("user_id = ?", user.ID).
And("status = ?", status).
Count(&Notification{})
return
}
// UserIDCount is a simple coalition of UserID and Count
type UserIDCount struct {
UserID int64
Count int64
}
// GetUIDsAndNotificationCounts between the two provided times
func GetUIDsAndNotificationCounts(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, x.SQL(sql, since, until, NotificationStatusUnread).Find(&res)
}
func setNotificationStatusReadIfUnread(e Engine, userID, issueID int64) error {
notification, err := getIssueNotification(e, userID, issueID)
// ignore if not exists
if err != nil {
return nil
}
if notification.Status != NotificationStatusUnread {
return nil
}
notification.Status = NotificationStatusRead
_, err = e.ID(notification.ID).Update(notification)
return err
}
// SetNotificationStatus change the notification status
func SetNotificationStatus(notificationID int64, user *User, status NotificationStatus) error {
notification, err := getNotificationByID(x, notificationID)
if err != nil {
return err
}
if notification.UserID != user.ID {
return fmt.Errorf("Can't change notification of another user: %d, %d", notification.UserID, user.ID)
}
notification.Status = status
_, err = x.ID(notificationID).Update(notification)
return err
}
// GetNotificationByID return notification by ID
func GetNotificationByID(notificationID int64) (*Notification, error) {
return getNotificationByID(x, notificationID)
}
func getNotificationByID(e Engine, notificationID int64) (*Notification, error) {
notification := new(Notification)
ok, err := e.
Where("id = ?", notificationID).
Get(notification)
if err != nil {
return nil, err
}
if !ok {
return nil, ErrNotExist{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(user *User, currentStatus NotificationStatus, desiredStatus NotificationStatus) error {
n := &Notification{Status: desiredStatus, UpdatedBy: user.ID}
_, err := x.
Where("user_id = ? AND status = ?", user.ID, currentStatus).
Cols("status", "updated_by", "updated_unix").
Update(n)
return err
}