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Convert on subscriptions to once for FirebaseResource

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This commit is contained in:
Garrett Mills 2021-04-10 16:20:41 -05:00
parent 78287fcc2a
commit d79d0f38f4
Signed by: garrettmills
GPG Key ID: D2BF5FBA8298F246
1 changed files with 6 additions and 5 deletions
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11
src/app/FirebaseResource.ts
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@ -33,7 +33,7 @@ export class FirebaseResource<T extends FirebaseResourceItem> extends Iterable<T
async getNextID(): Promise<number> {
return new Promise<number>((res, rej) => {
this.ref().orderByChild('seqID')
.on('value', snapshot => {
.once('value', snapshot => {
res((this.resolveObject(snapshot.val()).reverse()?.[0]?.seqID ?? -1) + 1)
}, rej)
})
@ -44,7 +44,7 @@ export class FirebaseResource<T extends FirebaseResourceItem> extends Iterable<T
return new Promise<T | undefined>((res, rej) => {
this.ref().orderByChild('seqID')
.startAt(i).endAt(i)
.on('value', snapshot => res(this.resolveObject(snapshot.val())[0]), rej)
.once('value', snapshot => res(this.resolveObject(snapshot.val())[0]), rej)
})
}
@ -53,7 +53,7 @@ export class FirebaseResource<T extends FirebaseResourceItem> extends Iterable<T
return new Promise<Collection<T>>((res, rej) => {
this.ref().orderByChild('seqID')
.startAt(start).endAt(end)
.on('value', snapshot => {
.once('value', snapshot => {
res(new Collection<T>(this.resolveObject(snapshot.val())))
}, rej)
})
@ -63,7 +63,7 @@ export class FirebaseResource<T extends FirebaseResourceItem> extends Iterable<T
async count(): Promise<number> {
return new Promise<number>((res, rej) => {
this.ref().orderByChild('seqID')
.on('value', snapshot => {
.once('value', snapshot => {
res(this.resolveObject(snapshot.val()).length)
}, rej)
})
@ -105,7 +105,8 @@ export class FirebaseResource<T extends FirebaseResourceItem> extends Iterable<T
.orderByChild('seqID')
.startAt(item.seqID)
.limitToFirst(1)
.on('value', snapshot => {
.once('value', snapshot => {
item.firebaseID = snapshot.key || ''
res()
})
})