67 lines
1.5 KiB
JavaScript
67 lines
1.5 KiB
JavaScript
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/**
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* @flow
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* QuerySnapshot representation wrapper
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*/
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import DocumentChange from './DocumentChange';
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import DocumentSnapshot from './DocumentSnapshot';
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import Query from './Query';
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import type { DocumentChangeNativeData } from './DocumentChange';
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import type { DocumentSnapshotNativeData } from './DocumentSnapshot';
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type QuerySnapshotNativeData = {
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changes: DocumentChangeNativeData[],
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documents: DocumentSnapshotNativeData[],
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readTime: string,
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}
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/**
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* @class QuerySnapshot
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*/
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export default class QuerySnapshot {
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_changes: DocumentChange[];
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_docs: DocumentSnapshot[];
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_query: Query;
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_readTime: string;
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constructor(firestore: Object, query: Query, nativeData: QuerySnapshotNativeData) {
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this._changes = nativeData.changes.map(change => new DocumentChange(change));
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this._docs = nativeData.documents.map(doc => new DocumentSnapshot(firestore, doc));
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this._query = query;
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this._readTime = nativeData.readTime;
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}
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get docChanges(): DocumentChange[] {
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return this._changes;
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}
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get docs(): DocumentSnapshot[] {
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return this._docs;
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}
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get empty(): boolean {
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return this._docs.length === 0;
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}
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get query(): Query {
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return this._query;
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}
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get readTime(): string {
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return this._readTime;
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}
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get size(): number {
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return this._docs.length;
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}
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forEach(callback: DocumentSnapshot => any) {
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// TODO: Validation
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// validate.isFunction('callback', callback);
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for (const doc of this.docs) {
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callback(doc);
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}
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}
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}
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