rename Update to Transact

This commit is contained in:
Balakrishnan Balasubramanian 2022-06-30 12:49:15 -04:00
parent bef160745a
commit 587b7f38ce
2 changed files with 9 additions and 9 deletions

View File

@ -56,7 +56,7 @@ func (d *Db) Add(i Item) (int, bool) {
return i.Id, true
}
func (d *Db) Update(id int, persist bool, f func(*Item)) error {
func (d *Db) Transact(id int, persist bool, f func(*Item)) error {
d.mutex.Lock()
defer d.mutex.Unlock()
for i, _ := range d.items {

16
main.go
View File

@ -108,7 +108,7 @@ func main() {
}
fmt.Println("path is", p, "id is", id)
var sc <-chan string
d.Update(id, false, func(i *db.Item) {
d.Transact(id, false, func(i *db.Item) {
pt := i.Pt
if pt != nil {
sc = pt.Subscribe()
@ -127,7 +127,7 @@ func main() {
}
var status db.DownloadStatus
var fname string
d.Update(id, true, func(i *db.Item) {
d.Transact(id, false, func(i *db.Item) {
status = i.Status
fname = i.FileName
})
@ -154,12 +154,12 @@ func main() {
}
var tc <-chan struct{}
d.Update(id, false, func(i *db.Item) {
d.Transact(id, false, func(i *db.Item) {
tc = i.TitleChan
})
<-tc
var title string
d.Update(id, false, func(i *db.Item) {
d.Transact(id, false, func(i *db.Item) {
title = i.Title
})
w.Write([]byte(title))
@ -171,7 +171,7 @@ func main() {
func getTitle(id int, yturl string) {
tc := make(chan struct{})
defer close(tc)
d.Update(id, false, func(i *db.Item) {
d.Transact(id, false, func(i *db.Item) {
i.TitleChan = tc
})
args := append(ytdlCmd, "--get-title", yturl)
@ -183,14 +183,14 @@ func getTitle(id int, yturl string) {
} else {
title = string(op)
}
d.Update(id, true, func(i *db.Item) {
d.Transact(id, true, func(i *db.Item) {
i.Title = title
})
}
func download(id int, yturl string) {
pt := pubsub.NewProgressTracker()
d.Update(id, true, func(i *db.Item) {
d.Transact(id, true, func(i *db.Item) {
i.Status = db.InProgress
i.Pt = pt
})
@ -220,7 +220,7 @@ func download(id int, yturl string) {
} else {
status = db.Done
}
d.Update(id, true, func(i *db.Item) {
d.Transact(id, true, func(i *db.Item) {
i.Status = status
i.FileName = fname
})