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database.ts
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import { Injectable, Inject, Optional, NgZone, PLATFORM_ID } from '@angular/core';
import { DatabaseQuery, PathReference, DatabaseSnapshot, ChildEvent, ListenEvent, QueryFn, AngularFireList, AngularFireObject } from './interfaces';
import { getRef } from './utils';
import { InjectionToken } from '@angular/core';
import { createListReference } from './list/create-reference';
import { createObjectReference } from './object/create-reference';
import { FirebaseDatabase, FirebaseOptions, FirebaseAppConfig, FirebaseOptionsToken, FirebaseNameOrConfigToken, RealtimeDatabaseURL, _firebaseAppFactory, FirebaseZoneScheduler, TypicalDependencyInjection } from '@angular/fire';
// TODO clean up anys
export const getInstance =
(config: TypicalDependencyInjection & { databaseURL?: string }) =>
new AngularFireDatabase(config.options,( <any>config).appName || (<any>config).appConfig, config.databaseURL || null, config.platformId, config.zone);
@Injectable()
export class AngularFireDatabase {
public readonly database: FirebaseDatabase;
public readonly scheduler: FirebaseZoneScheduler;
constructor(
@Inject(FirebaseOptionsToken) options:FirebaseOptions,
@Optional() @Inject(FirebaseNameOrConfigToken) nameOrConfig:string|FirebaseAppConfig|null|undefined,
@Optional() @Inject(RealtimeDatabaseURL) databaseURL:string|null,
@Inject(PLATFORM_ID) platformId: Object,
zone: NgZone
) {
this.scheduler = new FirebaseZoneScheduler(zone, platformId);
this.database = zone.runOutsideAngular(() => {
const app = _firebaseAppFactory(options, nameOrConfig);
return app.database(databaseURL || undefined);
});
}
list<T>(pathOrRef: PathReference, queryFn?: QueryFn): AngularFireList<T> {
const ref = getRef(this.database, pathOrRef);
let query: DatabaseQuery = ref;
if(queryFn) {
query = queryFn(ref);
}
return createListReference<T>(query, this);
}
object<T>(pathOrRef: PathReference): AngularFireObject<T> {
const ref = getRef(this.database, pathOrRef);
return createObjectReference<T>(ref, this);
}
createPushId() {
return this.database.ref().push().key;
}
}
export {
PathReference,
DatabaseSnapshot,
ChildEvent,
ListenEvent,
QueryFn,
AngularFireList,
AngularFireObject,
AngularFireAction,
Action,
SnapshotAction
} from './interfaces';
export { RealtimeDatabaseURL };