phibernate/src/changeList/OfflineDeltaStore.ts

Client side ORM and Delta Tracker for Relational data

import {LocalStoreType} from "../localStore/LocalStoreApi";
import {ILocalStoreAdaptor} from "../localStore/LocalStoreAdaptor";
import {OfflineSqlDeltaStore} from "./offline/sql/OfflineSqlDeltaStore";
import {IOfflineDeltaStoreConfig} from "../config/OfflineDeltaStoreConfig";
import {EntityChangeApi} from "./model/EntityChange";
import {ChangeGroupApi} from "./model/ChangeGroup";
/**
 * Created by Papa on 5/31/2016.
 */

export interface IOfflineDeltaStore {

	config:IOfflineDeltaStoreConfig;

	addRemoteChanges(
		changeRecords:ChangeGroupApi[]
	):Promise<void>;

	addChange(
		changeRecord:ChangeGroupApi
	):Promise<ChangeGroupApi>;

	findChangesForEntitiesWithFieldsSinceTime(
		entityChanges:EntityChangeApi[]
	):Promise<EntityChangeApi[]>;

	findUnsyncedChanges():Promise<ChangeGroupApi[]>;

	markChangesAsSynced(changeGroups:ChangeGroupApi[]):Promise<void>;

}

var OFFLINE_DELTA_STORE:IOfflineDeltaStore;

export function getOfflineDeltaStore(
	localStore: ILocalStoreAdaptor,
	offlineDeltaStoreConfig:IOfflineDeltaStoreConfig
):IOfflineDeltaStore {
	switch (localStore.type) {
		case LocalStoreType.POUCH_DB:
			throw `PouchDB is not supported`;
		/*
		 if (!OFFLINE_POUCHDB_SHARING_ADAPTOR) {
		 OFFLINE_POUCHDB_SHARING_ADAPTOR = getOfflinePouchdbSharingAdaptor();
		 }
		 return OFFLINE_POUCHDB_SHARING_ADAPTOR;
		 */
		case LocalStoreType.SQLITE_CORDOVA:
			if (!OFFLINE_DELTA_STORE) {
				OFFLINE_DELTA_STORE = new OfflineSqlDeltaStore(localStore, offlineDeltaStoreConfig);
			}
			return OFFLINE_DELTA_STORE;
		default:
			throw `Unsupported LocalStoreType: ${localStore.type}`;
	}
}