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remove support for VDB, applications that used SQLite database can now use API provided by the libsqlite package (on MarketPlace)
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DanyLE
Dany LE
parent
0f2ab549e8
commit
bff2c94fa9
1
Makefile
1
Makefile
@ -50,7 +50,6 @@ javascripts= dist/core/core.js \
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dist/core/handles/RemoteHandle.js \
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dist/core/Announcerment.js \
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dist/core/vfs.js \
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dist/core/db.js \
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dist/core/BaseModel.js \
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dist/core/BaseApplication.js \
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dist/core/BaseService.js \
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399
d.ts/antos.d.ts
vendored
399
d.ts/antos.d.ts
vendored
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Load Diff
202
src/core/db.ts
202
src/core/db.ts
@ -1,202 +0,0 @@
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// Copyright 2017-2018 Xuan Sang LE <xsang.le AT gmail DOT com>
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// AnTOS Web desktop is is licensed under the GNU General Public
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// License v3.0, see the LICENCE file for more information
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// This program is free software: you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see https://www.gnu.org/licenses/.
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namespace OS {
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export namespace API {
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/**
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* Simple Virtual Database (VDB) application API.
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*
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* This API abstracts and provides a standard way to
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* connect to a server-side relational database (e.g. sqlite).
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*
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* Each user when connected has their own database previously
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* created. All VDB operations related to that user will be
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* performed on this database.
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*
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* The creation of user database need to be managed by the server-side API.
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* The VDB API assumes that the database already exist. All operations
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* is performed in tables level
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*
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* @export
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* @class DB
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*/
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export class DB {
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/**
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* A table name on the user's database
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*
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* @private
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* @type {string}
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* @memberof DB
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*/
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private table: string;
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/**
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*Creates an instance of DB.
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* @param {string} table table name
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* @memberof DB
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*/
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constructor(table: string) {
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this.table = table;
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}
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/**
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* Save data to the current table. The input
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* data must conform to the table record format.
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*
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* On the server side, if the table doest not
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* exist yet, it should be created automatically
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* by inferring the data structure of the input
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* object
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*
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* @param {GenericObject<any>} d data object represents a current table record
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* @returns {Promise<API.RequestResult>}
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* @memberof DB
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*/
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save(d: GenericObject<any>): Promise<API.RequestResult> {
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return new Promise(async (resolve, reject) => {
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try {
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const r = await API.handle.dbquery("save", {
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table: this.table,
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data: d,
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});
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if (r.error) {
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return reject(API.throwe(r.error.toString()));
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}
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return resolve(r);
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} catch (e) {
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return reject(__e(e));
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}
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});
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}
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/**
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* delete record(s) from the current table by
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* a conditional object
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*
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* @param {*} c conditional object, c can be:
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*
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* * a `number`: the operation will delete the record with `id = c`
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* * a `string`: The SQL string condition that selects record to delete
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* * a conditional object represents a SQL condition statement as an object,
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* example: `pid = 10 AND cid = 2` is represented by:
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*
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* ```typescript
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* {
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* exp: {
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* "and": {
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* pid: 10,
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* cid: 2
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* }
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* }
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* ```
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*
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* @returns {Promise<API.RequestResult>}
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* @memberof DB
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*/
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delete(
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c: GenericObject<any> | number | string
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): Promise<API.RequestResult> {
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return new Promise(async (resolve, reject) => {
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const rq: any = { table: this.table };
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if (!c || c === "") {
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reject(API.throwe("OS.DB: unknown condition"));
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}
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if (isNaN(c as number)) {
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rq.cond = c;
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} else {
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rq.id = c;
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}
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try {
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const r = await API.handle.dbquery("delete", rq);
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if (r.error) {
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return reject(API.throwe(r.error.toString()));
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}
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return resolve(r);
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} catch (e) {
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return reject(__e(e));
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}
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});
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}
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/**
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* Get a record in the table by its primary key
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*
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* @param {number} id the primary key value
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* @returns {Promise<GenericObject<any>>} Promise on returned record data
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* @memberof DB
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*/
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get(id: number): Promise<GenericObject<any>> {
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return new Promise(async (resolve, reject) => {
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try {
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const r = await API.handle.dbquery("get", {
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table: this.table,
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id: id,
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});
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if (r.error) {
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return reject(API.throwe(r.error.toString()));
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}
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return resolve(r.result as GenericObject<any>);
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} catch (e) {
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return reject(__e(e));
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}
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});
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}
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/**
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* Find records by a condition
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*
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* @param {GenericObject<any>} cond conditional object
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*
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* a conditional object represents a SQL condition statement as an object,
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* example: `pid = 10 AND cid = 2 ORDER BY date DESC` is represented by:
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*
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* ```typescript
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* {
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* exp: {
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* "and": {
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* pid: 10,
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* cid: 2
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* }
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* },
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* order: {
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* date: "DESC"
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* }
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* }
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* ```
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* @returns {Promise<GenericObject<any>[]>}
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* @memberof DB
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*/
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find(cond: GenericObject<any>): Promise<GenericObject<any>[]> {
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return new Promise(async (resolve, reject) => {
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try {
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const r = await API.handle.dbquery("select", {
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table: this.table,
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cond,
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});
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if (r.error) {
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return reject(API.throwe(r.error.toString()));
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}
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return resolve(r.result as GenericObject<any>[]);
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} catch (e) {
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return reject(__e(e));
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}
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});
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}
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}
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}
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}
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@ -413,59 +413,6 @@ namespace OS {
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const p = `${API.REST}/system/settings`;
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return API.post(p, OS.setting);
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}
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/**
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* This is the low level function of AntOS VDB API.
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* It requests the server API to perform some simple
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* SQL query.
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*
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* @export
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* @param {string} cmd action to perform: save, delete, get, select
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* @param {GenericObject<any>} d data object of the request based on each action:
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* - save:
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* ```
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* { table: "table name", data: [record data object]}
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* ```
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* - get:
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* ```
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* { table: "table name", id: [record id]}
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* ```
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* - delete:
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* ```
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* { table: "table name", id: [record id]}
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* or
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* { table: "table name", cond: [conditional object]}
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* ```
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* - select:
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* ```
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* { table: "table name", cond: [conditional object]}
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* ```
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* @returns {Promise<RequestResult>} a promise of {@link RequestResult} on the
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* query data
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*
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* A conditional object represents a SQL condition statement as an object,
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* example: `pid = 10 AND cid = 2 ORDER BY date DESC`
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* ```
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* {
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* exp: {
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* "and": {
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* pid: 10,
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* cid: 2
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* }
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* },
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* order: {
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* date: "DESC"
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* }
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* }
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* ```
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*/
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export function dbquery(
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cmd: string,
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d: GenericObject<any>
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): Promise<RequestResult> {
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const path = `${API.REST}/VDB/${cmd}`;
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return API.post(path, d);
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}
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}
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}
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}
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