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

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/**
* @flow
* WriteBatch representation wrapper
*/
import FieldPath from './FieldPath';
import { mergeFieldPathData } from './utils';
import { buildNativeMap } from './utils/serialize';
import { isObject, isString } from '../../utils';
import { getNativeModule } from '../../utils/native';
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import type DocumentReference from './DocumentReference';
import type Firestore from './';
import type { SetOptions } from './types';
type DocumentWrite = {
data?: Object,
options?: Object,
path: string,
type: 'DELETE' | 'SET' | 'UPDATE',
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};
/**
* @class WriteBatch
*/
export default class WriteBatch {
_firestore: Firestore;
_writes: DocumentWrite[];
constructor(firestore: Firestore) {
this._firestore = firestore;
this._writes = [];
}
commit(): Promise<void> {
return getNativeModule(this._firestore).documentBatch(this._writes);
}
delete(docRef: DocumentReference): WriteBatch {
// TODO: Validation
// validate.isDocumentReference('docRef', docRef);
// validate.isOptionalPrecondition('deleteOptions', deleteOptions);
this._writes.push({
path: docRef.path,
type: 'DELETE',
});
return this;
}
set(docRef: DocumentReference, data: Object, options?: SetOptions) {
// TODO: Validation
// validate.isDocumentReference('docRef', docRef);
// validate.isDocument('data', data);
// validate.isOptionalPrecondition('options', writeOptions);
const nativeData = buildNativeMap(data);
this._writes.push({
data: nativeData,
options,
path: docRef.path,
type: 'SET',
});
return this;
}
update(docRef: DocumentReference, ...args: any[]): WriteBatch {
// TODO: Validation
// validate.isDocumentReference('docRef', docRef);
let data = {};
if (args.length === 1) {
if (!isObject(args[0])) {
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throw new Error(
'WriteBatch.update failed: If using two arguments, the second must be an object.'
);
}
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// eslint-disable-next-line prefer-destructuring
data = args[0];
} else if (args.length % 2 === 1) {
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throw new Error(
'WriteBatch.update failed: Must have a document reference, followed by either a single object argument, or equal numbers of key/value pairs.'
);
} else {
for (let i = 0; i < args.length; i += 2) {
const key = args[i];
const value = args[i + 1];
if (isString(key)) {
data[key] = value;
} else if (key instanceof FieldPath) {
data = mergeFieldPathData(data, key._segments, value);
} else {
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throw new Error(
`WriteBatch.update failed: Argument at index ${i} must be a string or FieldPath`
);
}
}
}
const nativeData = buildNativeMap(data);
this._writes.push({
data: nativeData,
path: docRef.path,
type: 'UPDATE',
});
return this;
}
}