rxdb
Version:
A local-first realtime NoSQL Database for JavaScript applications - https://rxdb.info/
257 lines (252 loc) • 10.3 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.createLocalDocStateByParent = createLocalDocStateByParent;
exports.createRxLocalDocument = createRxLocalDocument;
exports.getRxDatabaseFromLocalDocument = getRxDatabaseFromLocalDocument;
var _inheritsLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/inheritsLoose"));
var _rxjs = require("rxjs");
var _overwritable = require("../../overwritable.js");
var _rxChangeEvent = require("../../rx-change-event.js");
var _rxDocument = require("../../rx-document.js");
var _rxError = require("../../rx-error.js");
var _rxStorageHelper = require("../../rx-storage-helper.js");
var _index = require("../../plugins/utils/index.js");
var _localDocumentsHelper = require("./local-documents-helper.js");
var _rxDatabase = require("../../rx-database.js");
var _docCache = require("../../doc-cache.js");
var _incrementalWrite = require("../../incremental-write.js");
var RxDocumentParent = (0, _rxDocument.createRxDocumentConstructor)();
var RxLocalDocumentClass = /*#__PURE__*/function (_RxDocumentParent) {
function RxLocalDocumentClass(id, jsonData, parent) {
var _this2;
_this2 = _RxDocumentParent.call(this, null, jsonData) || this;
_this2.id = id;
_this2.parent = parent;
return _this2;
}
(0, _inheritsLoose2.default)(RxLocalDocumentClass, _RxDocumentParent);
return RxLocalDocumentClass;
}(RxDocumentParent);
var RxLocalDocumentPrototype = {
get isLocal() {
return true;
},
//
// overwrites
//
get allAttachments$() {
// this is overwritten here because we cannot re-set getters on the prototype
throw (0, _rxError.newRxError)('LD1', {
document: this
});
},
get primaryPath() {
return 'id';
},
get primary() {
return this.id;
},
get $() {
var _this = this;
var state = (0, _index.getFromMapOrThrow)(_localDocumentsHelper.LOCAL_DOC_STATE_BY_PARENT_RESOLVED, this.parent);
var id = this.primary;
return _this.parent.eventBulks$.pipe((0, _rxjs.filter)(bulk => !!bulk.isLocal), (0, _rxjs.map)(bulk => bulk.events.find(ev => ev.documentId === id)), (0, _rxjs.filter)(event => !!event), (0, _rxjs.map)(changeEvent => (0, _rxChangeEvent.getDocumentDataOfRxChangeEvent)((0, _index.ensureNotFalsy)(changeEvent))), (0, _rxjs.startWith)(state.docCache.getLatestDocumentData(this.primary)), (0, _rxjs.distinctUntilChanged)((prev, curr) => prev._rev === curr._rev), (0, _rxjs.map)(docData => state.docCache.getCachedRxDocument(docData)), (0, _rxjs.shareReplay)(_index.RXJS_SHARE_REPLAY_DEFAULTS));
;
},
get $$() {
var _this = this;
var db = getRxDatabaseFromLocalDocument(_this);
var reactivity = db.getReactivityFactory();
return reactivity.fromObservable(_this.$, _this.getLatest()._data, db);
},
get deleted$$() {
var _this = this;
var db = getRxDatabaseFromLocalDocument(_this);
var reactivity = db.getReactivityFactory();
return reactivity.fromObservable(_this.deleted$, _this.getLatest().deleted, db);
},
getLatest() {
var state = (0, _index.getFromMapOrThrow)(_localDocumentsHelper.LOCAL_DOC_STATE_BY_PARENT_RESOLVED, this.parent);
var latestDocData = state.docCache.getLatestDocumentData(this.primary);
return state.docCache.getCachedRxDocument(latestDocData);
},
get(objPath) {
objPath = 'data.' + objPath;
if (!this._data) {
return undefined;
}
if (typeof objPath !== 'string') {
throw (0, _rxError.newRxTypeError)('LD2', {
objPath
});
}
var valueObj = (0, _index.getProperty)(this._data, objPath);
valueObj = _overwritable.overwritable.deepFreezeWhenDevMode(valueObj);
return valueObj;
},
get$(objPath) {
objPath = 'data.' + objPath;
if (_overwritable.overwritable.isDevMode()) {
if (objPath.includes('.item.')) {
throw (0, _rxError.newRxError)('LD3', {
objPath
});
}
if (objPath === this.primaryPath) {
throw (0, _rxError.newRxError)('LD4');
}
}
return this.$.pipe((0, _rxjs.map)(localDocument => localDocument._data), (0, _rxjs.map)(data => (0, _index.getProperty)(data, objPath)), (0, _rxjs.distinctUntilChanged)());
},
get$$(objPath) {
var db = getRxDatabaseFromLocalDocument(this);
var reactivity = db.getReactivityFactory();
return reactivity.fromObservable(this.get$(objPath), this.getLatest().get(objPath), db);
},
async incrementalModify(mutationFunction) {
var state = await (0, _localDocumentsHelper.getLocalDocStateByParent)(this.parent);
return state.incrementalWriteQueue.addWrite(this._data, async docData => {
docData.data = await mutationFunction(docData.data, this);
return docData;
}).then(result => state.docCache.getCachedRxDocument(result));
},
incrementalPatch(patch) {
return this.incrementalModify(docData => {
Object.entries(patch).forEach(([k, v]) => {
docData[k] = v;
});
return docData;
});
},
async _saveData(newData) {
var state = await (0, _localDocumentsHelper.getLocalDocStateByParent)(this.parent);
var oldData = this._data;
newData.id = this.id;
var writeRows = [{
previous: oldData,
document: newData
}];
return state.storageInstance.bulkWrite(writeRows, 'local-document-save-data').then(res => {
if (res.error[0]) {
throw res.error[0];
}
var success = (0, _rxStorageHelper.getWrittenDocumentsFromBulkWriteResponse)(this.collection.schema.primaryPath, writeRows, res)[0];
newData = (0, _index.flatClone)(newData);
newData._rev = success._rev;
});
},
async remove() {
var state = await (0, _localDocumentsHelper.getLocalDocStateByParent)(this.parent);
var writeData = (0, _index.flatClone)(this._data);
writeData._deleted = true;
return (0, _rxStorageHelper.writeSingle)(state.storageInstance, {
previous: this._data,
document: writeData
}, 'local-document-remove').then(writeResult => state.docCache.getCachedRxDocument(writeResult));
}
};
var INIT_DONE = false;
var _init = () => {
if (INIT_DONE) return;else INIT_DONE = true;
// add functions of RxDocument
var docBaseProto = _rxDocument.basePrototype;
var props = Object.getOwnPropertyNames(docBaseProto);
props.forEach(key => {
var exists = Object.getOwnPropertyDescriptor(RxLocalDocumentPrototype, key);
if (exists) return;
var desc = Object.getOwnPropertyDescriptor(docBaseProto, key);
Object.defineProperty(RxLocalDocumentPrototype, key, desc);
});
/**
* Overwrite things that do not work on local documents
* with a throwing function.
*/
var getThrowingFun = k => () => {
throw (0, _rxError.newRxError)('LD6', {
functionName: k
});
};
['populate', 'update', 'putAttachment', 'putAttachmentBase64', 'getAttachment', 'allAttachments'].forEach(k => RxLocalDocumentPrototype[k] = getThrowingFun(k));
};
function createRxLocalDocument(data, parent) {
_init();
var newDoc = new RxLocalDocumentClass(data.id, data, parent);
Object.setPrototypeOf(newDoc, RxLocalDocumentPrototype);
newDoc.prototype = RxLocalDocumentPrototype;
return newDoc;
}
function getRxDatabaseFromLocalDocument(doc) {
var parent = doc.parent;
if ((0, _rxDatabase.isRxDatabase)(parent)) {
return parent;
} else {
return parent.database;
}
}
function createLocalDocStateByParent(parent) {
var database = parent.database ? parent.database : parent;
var collectionName = parent.database ? parent.name : '';
var statePromise = (async () => {
var storageInstance = await (0, _localDocumentsHelper.createLocalDocumentStorageInstance)(database.token, database.storage, database.name, collectionName, database.instanceCreationOptions, database.multiInstance);
storageInstance = (0, _rxStorageHelper.getWrappedStorageInstance)(database, storageInstance, _localDocumentsHelper.RX_LOCAL_DOCUMENT_SCHEMA);
var docCache = new _docCache.DocumentCache('id', database.eventBulks$.pipe((0, _rxjs.filter)(changeEventBulk => {
var ret = false;
if (
// parent is database
collectionName === '' && !changeEventBulk.collectionName ||
// parent is collection
collectionName !== '' && changeEventBulk.collectionName === collectionName) {
ret = true;
}
return ret && changeEventBulk.isLocal;
}), (0, _rxjs.map)(b => b.events)), docData => createRxLocalDocument(docData, parent));
var incrementalWriteQueue = new _incrementalWrite.IncrementalWriteQueue(storageInstance, 'id', () => {}, () => {});
/**
* Emit the changestream into the collections change stream
*/
var databaseStorageToken = await database.storageToken;
var subLocalDocs = storageInstance.changeStream().subscribe(eventBulk => {
var events = new Array(eventBulk.events.length);
var rawEvents = eventBulk.events;
var collectionName = parent.database ? parent.name : undefined;
for (var index = 0; index < rawEvents.length; index++) {
var event = rawEvents[index];
events[index] = {
documentId: event.documentId,
collectionName,
isLocal: true,
operation: event.operation,
documentData: _overwritable.overwritable.deepFreezeWhenDevMode(event.documentData),
previousDocumentData: _overwritable.overwritable.deepFreezeWhenDevMode(event.previousDocumentData)
};
}
var changeEventBulk = {
id: eventBulk.id,
isLocal: true,
internal: false,
collectionName: parent.database ? parent.name : undefined,
storageToken: databaseStorageToken,
events,
databaseToken: database.token,
checkpoint: eventBulk.checkpoint,
context: eventBulk.context
};
database.$emit(changeEventBulk);
});
parent._subs.push(subLocalDocs);
var state = {
database,
parent,
storageInstance,
docCache,
incrementalWriteQueue
};
_localDocumentsHelper.LOCAL_DOC_STATE_BY_PARENT_RESOLVED.set(parent, state);
return state;
})();
_localDocumentsHelper.LOCAL_DOC_STATE_BY_PARENT.set(parent, statePromise);
}
//# sourceMappingURL=rx-local-document.js.map