gitea/models/issue_watch.go

135 lines
4.3 KiB
Go

// Copyright 2017 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 (
"code.gitea.io/gitea/models/db"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/timeutil"
)
// IssueWatch is connection request for receiving issue notification.
type IssueWatch struct {
ID int64 `xorm:"pk autoincr"`
UserID int64 `xorm:"UNIQUE(watch) NOT NULL"`
IssueID int64 `xorm:"UNIQUE(watch) NOT NULL"`
IsWatching bool `xorm:"NOT NULL"`
CreatedUnix timeutil.TimeStamp `xorm:"created NOT NULL"`
UpdatedUnix timeutil.TimeStamp `xorm:"updated NOT NULL"`
}
func init() {
db.RegisterModel(new(IssueWatch))
}
// IssueWatchList contains IssueWatch
type IssueWatchList []*IssueWatch
// CreateOrUpdateIssueWatch set watching for a user and issue
func CreateOrUpdateIssueWatch(userID, issueID int64, isWatching bool) error {
iw, exists, err := getIssueWatch(db.GetEngine(db.DefaultContext), userID, issueID)
if err != nil {
return err
}
if !exists {
iw = &IssueWatch{
UserID: userID,
IssueID: issueID,
IsWatching: isWatching,
}
if _, err := db.GetEngine(db.DefaultContext).Insert(iw); err != nil {
return err
}
} else {
iw.IsWatching = isWatching
if _, err := db.GetEngine(db.DefaultContext).ID(iw.ID).Cols("is_watching", "updated_unix").Update(iw); err != nil {
return err
}
}
return nil
}
// GetIssueWatch returns all IssueWatch objects from db by user and issue
// the current Web-UI need iw object for watchers AND explicit non-watchers
func GetIssueWatch(userID, issueID int64) (iw *IssueWatch, exists bool, err error) {
return getIssueWatch(db.GetEngine(db.DefaultContext), userID, issueID)
}
// Return watcher AND explicit non-watcher if entry in db exist
func getIssueWatch(e db.Engine, userID, issueID int64) (iw *IssueWatch, exists bool, err error) {
iw = new(IssueWatch)
exists, err = e.
Where("user_id = ?", userID).
And("issue_id = ?", issueID).
Get(iw)
return
}
// CheckIssueWatch check if an user is watching an issue
// it takes participants and repo watch into account
func CheckIssueWatch(user *user_model.User, issue *Issue) (bool, error) {
iw, exist, err := getIssueWatch(db.GetEngine(db.DefaultContext), user.ID, issue.ID)
if err != nil {
return false, err
}
if exist {
return iw.IsWatching, nil
}
w, err := getWatch(db.GetEngine(db.DefaultContext), user.ID, issue.RepoID)
if err != nil {
return false, err
}
return isWatchMode(w.Mode) || IsUserParticipantsOfIssue(user, issue), nil
}
// GetIssueWatchersIDs returns IDs of subscribers or explicit unsubscribers to a given issue id
// but avoids joining with `user` for performance reasons
// User permissions must be verified elsewhere if required
func GetIssueWatchersIDs(issueID int64, watching bool) ([]int64, error) {
return getIssueWatchersIDs(db.GetEngine(db.DefaultContext), issueID, watching)
}
func getIssueWatchersIDs(e db.Engine, issueID int64, watching bool) ([]int64, error) {
ids := make([]int64, 0, 64)
return ids, e.Table("issue_watch").
Where("issue_id=?", issueID).
And("is_watching = ?", watching).
Select("user_id").
Find(&ids)
}
// GetIssueWatchers returns watchers/unwatchers of a given issue
func GetIssueWatchers(issueID int64, listOptions db.ListOptions) (IssueWatchList, error) {
return getIssueWatchers(db.GetEngine(db.DefaultContext), issueID, listOptions)
}
func getIssueWatchers(e db.Engine, issueID int64, listOptions db.ListOptions) (IssueWatchList, error) {
sess := e.
Where("`issue_watch`.issue_id = ?", issueID).
And("`issue_watch`.is_watching = ?", true).
And("`user`.is_active = ?", true).
And("`user`.prohibit_login = ?", false).
Join("INNER", "`user`", "`user`.id = `issue_watch`.user_id")
if listOptions.Page != 0 {
sess = db.SetSessionPagination(sess, &listOptions)
watches := make([]*IssueWatch, 0, listOptions.PageSize)
return watches, sess.Find(&watches)
}
watches := make([]*IssueWatch, 0, 8)
return watches, sess.Find(&watches)
}
func removeIssueWatchersByRepoID(e db.Engine, userID, repoID int64) error {
_, err := e.
Join("INNER", "issue", "`issue`.id = `issue_watch`.issue_id AND `issue`.repo_id = ?", repoID).
Where("`issue_watch`.user_id = ?", userID).
Delete(new(IssueWatch))
return err
}