react-native-firebase/lib/modules/firestore/index.js

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/**
* @flow
* Firestore representation wrapper
*/
import ModuleBase from './../../utils/ModuleBase';
import CollectionReference from './CollectionReference';
import DocumentReference from './DocumentReference';
import DocumentSnapshot from './DocumentSnapshot';
import FieldValue from './FieldValue';
import GeoPoint from './GeoPoint';
import Path from './Path';
import WriteBatch from './WriteBatch';
import INTERNALS from './../../internals';
type CollectionSyncEvent = {
appName: string,
querySnapshot?: QuerySnapshot,
error?: Object,
listenerId: string,
path: string,
}
type DocumentSyncEvent = {
appName: string,
documentSnapshot?: DocumentSnapshot,
error?: Object,
listenerId: string,
path: string,
}
/**
* @class Firestore
*/
export default class Firestore extends ModuleBase {
static _NAMESPACE = 'firestore';
static _NATIVE_MODULE = 'RNFirebaseFirestore';
_referencePath: Path;
constructor(firebaseApp: Object, options: Object = {}) {
super(firebaseApp, options, true);
this._referencePath = new Path([]);
this.addListener(
// sub to internal native event - this fans out to
// public event name: onCollectionSnapshot
this._getAppEventName('firestore_collection_sync_event'),
this._onCollectionSyncEvent.bind(this),
);
this.addListener(
// sub to internal native event - this fans out to
// public event name: onDocumentSnapshot
this._getAppEventName('firestore_document_sync_event'),
this._onDocumentSyncEvent.bind(this),
);
}
batch(): WriteBatch {
return new WriteBatch(this);
}
/**
*
* @param collectionPath
* @returns {CollectionReference}
*/
collection(collectionPath: string): CollectionReference {
const path = this._referencePath.child(collectionPath);
if (!path.isCollection) {
throw new Error('Argument "collectionPath" must point to a collection.');
}
return new CollectionReference(this, path);
}
/**
*
* @param documentPath
* @returns {DocumentReference}
*/
doc(documentPath: string): DocumentReference {
const path = this._referencePath.child(documentPath);
if (!path.isDocument) {
throw new Error('Argument "documentPath" must point to a document.');
}
return new DocumentReference(this, path);
}
enablePersistence(): Promise<void> {
throw new Error('Persistence is enabled by default on the Firestore SDKs');
}
runTransaction(updateFunction): Promise<any> {
throw new Error('firebase.firestore().runTransaction() coming soon');
}
setLogLevel(logLevel: 'debug' | 'error' | 'silent'): void {
throw new Error(INTERNALS.STRINGS.ERROR_UNSUPPORTED_MODULE_METHOD(Firestore, 'setLogLevel'));
}
settings(settings: Object): void {
throw new Error('firebase.firestore().settings() coming soon');
}
/**
* INTERNALS
*/
/**
* Internal collection sync listener
* @param event
* @private
*/
_onCollectionSyncEvent(event: CollectionSyncEvent) {
if (event.error) {
this.emit(this._getAppEventName(`onQuerySnapshotError:${event.listenerId}`), event.error);
} else {
this.emit(this._getAppEventName(`onQuerySnapshot:${event.listenerId}`), event.querySnapshot);
}
}
/**
* Internal document sync listener
* @param event
* @private
*/
_onDocumentSyncEvent(event: DocumentSyncEvent) {
if (event.error) {
this.emit(this._getAppEventName(`onDocumentSnapshotError:${event.listenerId}`), event.error);
} else {
this.emit(this._getAppEventName(`onDocumentSnapshot:${event.listenerId}`), event.documentSnapshot);
}
}
}
export const statics = {
FieldValue,
GeoPoint,
};