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

106 lines
2.5 KiB
JavaScript

/**
* @flow
* CollectionReference representation wrapper
*/
import DocumentReference from './DocumentReference';
import Path from './Path';
import Query from './Query';
import QuerySnapshot from './QuerySnapshot';
import { firestoreAutoId } from '../../utils';
import type { Direction, Operator } from './Query';
/**
* @class CollectionReference
*/
export default class CollectionReference {
_collectionPath: Path;
_firestore: Object;
_query: Query;
constructor(firestore: Object, collectionPath: Path) {
this._collectionPath = collectionPath;
this._firestore = firestore;
this._query = new Query(firestore, collectionPath);
}
get firestore(): Object {
return this._firestore;
}
get id(): string | null {
return this._collectionPath.id;
}
get parent(): DocumentReference | null {
const parentPath = this._collectionPath.parent();
return parentPath ? new DocumentReference(this._firestore, parentPath) : null;
}
add(data: { [string]: any }): Promise<DocumentReference> {
const documentRef = this.doc();
return documentRef.set(data)
.then(() => Promise.resolve(documentRef));
}
doc(documentPath?: string): DocumentReference {
const newPath = documentPath || firestoreAutoId();
const path = this._collectionPath.child(newPath);
if (!path.isDocument) {
throw new Error('Argument "documentPath" must point to a document.');
}
return new DocumentReference(this._firestore, path);
}
// From Query
endAt(fieldValues: any): Query {
return this._query.endAt(fieldValues);
}
endBefore(fieldValues: any): Query {
return this._query.endBefore(fieldValues);
}
get(): Promise<QuerySnapshot> {
return this._query.get();
}
limit(n: number): Query {
return this._query.limit(n);
}
offset(n: number): Query {
return this._query.offset(n);
}
onSnapshot(onNext: () => any, onError?: () => any): () => void {
return this._query.onSnapshot(onNext, onError);
}
orderBy(fieldPath: string, directionStr?: Direction): Query {
return this._query.orderBy(fieldPath, directionStr);
}
select(varArgs: string[]): Query {
return this._query.select(varArgs);
}
startAfter(fieldValues: any): Query {
return this._query.startAfter(fieldValues);
}
startAt(fieldValues: any): Query {
return this._query.startAt(fieldValues);
}
stream(): Stream<DocumentSnapshot> {
return this._query.stream();
}
where(fieldPath: string, opStr: Operator, value: any): Query {
return this._query.where(fieldPath, opStr, value);
}
}