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gitea/models/issues/stopwatch.go
zeripath ef4fc30246
Speed up HasUserStopwatch & GetActiveStopwatch (#23051)
GetActiveStopwatch & HasUserStopwatch is a hot piece of code that is
repeatedly called and on examination of the cpu profile for TestGit it
represents 0.44 seconds of CPU time. This PR reduces this time to 80ms.

---------

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: KN4CK3R <admin@oldschoolhack.me>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: delvh <leon@kske.dev>
2023-02-27 13:46:00 -05:00

310 lines
7.9 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package issues
import (
"context"
"fmt"
"time"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
)
// ErrIssueStopwatchNotExist represents an error that stopwatch is not exist
type ErrIssueStopwatchNotExist struct {
UserID int64
IssueID int64
}
func (err ErrIssueStopwatchNotExist) Error() string {
return fmt.Sprintf("issue stopwatch doesn't exist[uid: %d, issue_id: %d", err.UserID, err.IssueID)
}
func (err ErrIssueStopwatchNotExist) Unwrap() error {
return util.ErrNotExist
}
// ErrIssueStopwatchAlreadyExist represents an error that stopwatch is already exist
type ErrIssueStopwatchAlreadyExist struct {
UserID int64
IssueID int64
}
func (err ErrIssueStopwatchAlreadyExist) Error() string {
return fmt.Sprintf("issue stopwatch already exists[uid: %d, issue_id: %d", err.UserID, err.IssueID)
}
func (err ErrIssueStopwatchAlreadyExist) Unwrap() error {
return util.ErrAlreadyExist
}
// Stopwatch represents a stopwatch for time tracking.
type Stopwatch struct {
ID int64 `xorm:"pk autoincr"`
IssueID int64 `xorm:"INDEX"`
UserID int64 `xorm:"INDEX"`
CreatedUnix timeutil.TimeStamp `xorm:"created"`
}
func init() {
db.RegisterModel(new(Stopwatch))
}
// Seconds returns the amount of time passed since creation, based on local server time
func (s Stopwatch) Seconds() int64 {
return int64(timeutil.TimeStampNow() - s.CreatedUnix)
}
// Duration returns a human-readable duration string based on local server time
func (s Stopwatch) Duration() string {
return util.SecToTime(s.Seconds())
}
func getStopwatch(ctx context.Context, userID, issueID int64) (sw *Stopwatch, exists bool, err error) {
sw = new(Stopwatch)
exists, err = db.GetEngine(ctx).
Where("user_id = ?", userID).
And("issue_id = ?", issueID).
Get(sw)
return sw, exists, err
}
// UserIDCount is a simple coalition of UserID and Count
type UserStopwatch struct {
UserID int64
StopWatches []*Stopwatch
}
// GetUIDsAndNotificationCounts between the two provided times
func GetUIDsAndStopwatch() ([]*UserStopwatch, error) {
sws := []*Stopwatch{}
if err := db.GetEngine(db.DefaultContext).Where("issue_id != 0").Find(&sws); err != nil {
return nil, err
}
if len(sws) == 0 {
return []*UserStopwatch{}, nil
}
lastUserID := int64(-1)
res := []*UserStopwatch{}
for _, sw := range sws {
if lastUserID == sw.UserID {
lastUserStopwatch := res[len(res)-1]
lastUserStopwatch.StopWatches = append(lastUserStopwatch.StopWatches, sw)
} else {
res = append(res, &UserStopwatch{
UserID: sw.UserID,
StopWatches: []*Stopwatch{sw},
})
}
}
return res, nil
}
// GetUserStopwatches return list of all stopwatches of a user
func GetUserStopwatches(userID int64, listOptions db.ListOptions) ([]*Stopwatch, error) {
sws := make([]*Stopwatch, 0, 8)
sess := db.GetEngine(db.DefaultContext).Where("stopwatch.user_id = ?", userID)
if listOptions.Page != 0 {
sess = db.SetSessionPagination(sess, &listOptions)
}
err := sess.Find(&sws)
if err != nil {
return nil, err
}
return sws, nil
}
// CountUserStopwatches return count of all stopwatches of a user
func CountUserStopwatches(userID int64) (int64, error) {
return db.GetEngine(db.DefaultContext).Where("user_id = ?", userID).Count(&Stopwatch{})
}
// StopwatchExists returns true if the stopwatch exists
func StopwatchExists(userID, issueID int64) bool {
_, exists, _ := getStopwatch(db.DefaultContext, userID, issueID)
return exists
}
// HasUserStopwatch returns true if the user has a stopwatch
func HasUserStopwatch(ctx context.Context, userID int64) (exists bool, sw *Stopwatch, issue *Issue, err error) {
type stopwatchIssueRepo struct {
Stopwatch `xorm:"extends"`
Issue `xorm:"extends"`
repo.Repository `xorm:"extends"`
}
swIR := new(stopwatchIssueRepo)
exists, err = db.GetEngine(ctx).
Table("stopwatch").
Where("user_id = ?", userID).
Join("INNER", "issue", "issue.id = stopwatch.issue_id").
Join("INNER", "repository", "repository.id = issue.repo_id").
Get(swIR)
if exists {
sw = &swIR.Stopwatch
issue = &swIR.Issue
issue.Repo = &swIR.Repository
}
return exists, sw, issue, err
}
// FinishIssueStopwatchIfPossible if stopwatch exist then finish it otherwise ignore
func FinishIssueStopwatchIfPossible(ctx context.Context, user *user_model.User, issue *Issue) error {
_, exists, err := getStopwatch(ctx, user.ID, issue.ID)
if err != nil {
return err
}
if !exists {
return nil
}
return FinishIssueStopwatch(ctx, user, issue)
}
// CreateOrStopIssueStopwatch create an issue stopwatch if it's not exist, otherwise finish it
func CreateOrStopIssueStopwatch(user *user_model.User, issue *Issue) error {
_, exists, err := getStopwatch(db.DefaultContext, user.ID, issue.ID)
if err != nil {
return err
}
if exists {
return FinishIssueStopwatch(db.DefaultContext, user, issue)
}
return CreateIssueStopwatch(db.DefaultContext, user, issue)
}
// FinishIssueStopwatch if stopwatch exist then finish it otherwise return an error
func FinishIssueStopwatch(ctx context.Context, user *user_model.User, issue *Issue) error {
sw, exists, err := getStopwatch(ctx, user.ID, issue.ID)
if err != nil {
return err
}
if !exists {
return ErrIssueStopwatchNotExist{
UserID: user.ID,
IssueID: issue.ID,
}
}
// Create tracked time out of the time difference between start date and actual date
timediff := time.Now().Unix() - int64(sw.CreatedUnix)
// Create TrackedTime
tt := &TrackedTime{
Created: time.Now(),
IssueID: issue.ID,
UserID: user.ID,
Time: timediff,
}
if err := db.Insert(ctx, tt); err != nil {
return err
}
if err := issue.LoadRepo(ctx); err != nil {
return err
}
if _, err := CreateComment(ctx, &CreateCommentOptions{
Doer: user,
Issue: issue,
Repo: issue.Repo,
Content: util.SecToTime(timediff),
Type: CommentTypeStopTracking,
TimeID: tt.ID,
}); err != nil {
return err
}
_, err = db.DeleteByBean(ctx, sw)
return err
}
// CreateIssueStopwatch creates a stopwatch if not exist, otherwise return an error
func CreateIssueStopwatch(ctx context.Context, user *user_model.User, issue *Issue) error {
if err := issue.LoadRepo(ctx); err != nil {
return err
}
// if another stopwatch is running: stop it
exists, _, otherIssue, err := HasUserStopwatch(ctx, user.ID)
if err != nil {
return err
}
if exists {
if err := FinishIssueStopwatch(ctx, user, otherIssue); err != nil {
return err
}
}
// Create stopwatch
sw := &Stopwatch{
UserID: user.ID,
IssueID: issue.ID,
}
if err := db.Insert(ctx, sw); err != nil {
return err
}
if err := issue.LoadRepo(ctx); err != nil {
return err
}
if _, err := CreateComment(ctx, &CreateCommentOptions{
Doer: user,
Issue: issue,
Repo: issue.Repo,
Type: CommentTypeStartTracking,
}); err != nil {
return err
}
return nil
}
// CancelStopwatch removes the given stopwatch and logs it into issue's timeline.
func CancelStopwatch(user *user_model.User, issue *Issue) error {
ctx, committer, err := db.TxContext(db.DefaultContext)
if err != nil {
return err
}
defer committer.Close()
if err := cancelStopwatch(ctx, user, issue); err != nil {
return err
}
return committer.Commit()
}
func cancelStopwatch(ctx context.Context, user *user_model.User, issue *Issue) error {
e := db.GetEngine(ctx)
sw, exists, err := getStopwatch(ctx, user.ID, issue.ID)
if err != nil {
return err
}
if exists {
if _, err := e.Delete(sw); err != nil {
return err
}
if err := issue.LoadRepo(ctx); err != nil {
return err
}
if _, err := CreateComment(ctx, &CreateCommentOptions{
Doer: user,
Issue: issue,
Repo: issue.Repo,
Type: CommentTypeCancelTracking,
}); err != nil {
return err
}
}
return nil
}