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https://github.com/lxsang/antos-frontend.git
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add docs
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lxsang
parent
1812f25d8a
commit
5ff637138c
@ -65,6 +65,14 @@ interface String {
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*/
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unescape(): string;
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/**
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* Escape the current string using backslash
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*
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* @returns {string}
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* @memberof String
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*/
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escape(): string;
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/**
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* Convert the current string to uint8 array
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*
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@ -371,6 +379,16 @@ namespace OS {
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return this.__().unescape();
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}
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/**
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* Escape the formatted string
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*
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* @returns {string}
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* @memberof FormattedString
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*/
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escape(): string {
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return this.__().escape();
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}
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/**
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* Convert the formatted string to uint8 array
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*
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@ -612,15 +630,47 @@ namespace OS {
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)
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);
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};
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String.prototype.escape = function (): string {
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return this.replace(/[\0\x08\x09\x1a\n\r"'\\\%]/g, function (
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c: string
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) {
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switch (c) {
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case "\0":
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return "\\0";
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case "\x08":
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return "\\b";
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case "\x09":
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return "\\t";
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case "\x1a":
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return "\\z";
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case "\n":
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return "\\n";
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case "\r":
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return "\\r";
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case '"':
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case "'":
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case "\\":
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case "%":
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return "\\" + c; // prepends a backslash to backslash, percent,
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// and double/single quotes
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default:
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return c;
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}
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});
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};
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String.prototype.unescape = function (): string {
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let d = this;
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d = d.replace(/\\\\/g, "\\");
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d = d.replace(/\\"/g, '"');
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d = d.replace(/\\'/g, "'");
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d = d.replace(/\\%/g, '%');
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d = d.replace(/\\0/g, "\0");
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d = d.replace(/\\n/g, "\n");
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d = d.replace(/\\t/g, "\t");
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d = d.replace(/\\b/g, "\b");
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d = d.replace(/\\f/g, "\f");
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d = d.replace(/\\r/g, "\r");
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d = d.replace(/\\z/g, "\x1a");
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return d;
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};
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String.prototype.asUint8Array = function (): Uint8Array {
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@ -916,6 +966,14 @@ namespace OS {
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*/
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iconclass?: string;
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/**
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* VFS application icon path
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*
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* @type {string}
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* @memberof PackageMetaType
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*/
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icon?: string;
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/**
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* Package information
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*
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110
src/core/db.ts
110
src/core/db.ts
@ -19,41 +19,63 @@
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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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table: GenericObject<any>;
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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 {GenericObject<any>} table
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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: GenericObject<any>) {
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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 {*} d
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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: any): Promise<API.RequestResult> {
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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 Ant.OS.API.handle.dbquery("save", {
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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(
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Ant.OS.API.throwe(r.error.toString())
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);
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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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@ -63,29 +85,46 @@ namespace OS {
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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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* @param {*} c
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* @returns {Promise<API.RequestResult>}
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* @memberof DB
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*/
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delete(c: any): Promise<API.RequestResult> {
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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(Ant.OS.API.throwe("OS.DB: unkown condition"));
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reject(API.throwe("OS.DB: unknown condition"));
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}
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if (isNaN(c)) {
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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 Ant.OS.API.handle.dbquery("delete", rq);
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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(
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Ant.OS.API.throwe(r.error.toString())
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);
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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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@ -95,23 +134,21 @@ namespace OS {
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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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*
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* @param {number} id
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* @returns {Promise<GenericObject<any>>}
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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 Ant.OS.API.handle.dbquery("get", {
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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(
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Ant.OS.API.throwe(r.error.toString())
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);
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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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@ -121,23 +158,38 @@ namespace OS {
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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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* @param {GenericObject<any>} cond
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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 Ant.OS.API.handle.dbquery("select", {
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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(
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Ant.OS.API.throwe(r.error.toString())
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);
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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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@ -1,10 +1,3 @@
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/*
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* decaffeinate suggestions:
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* DS101: Remove unnecessary use of Array.from
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* DS102: Remove unnecessary code created because of implicit returns
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* DS205: Consider reworking code to avoid use of IIFEs
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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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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@ -21,8 +14,11 @@
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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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// along with this program. If not, see https://www.gnu.org/licenses/.
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namespace OS {
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/**
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*
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*/
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export namespace GUI {
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/**
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*
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@ -1,10 +1,3 @@
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/*
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* decaffeinate suggestions:
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* DS102: Remove unnecessary code created because of implicit returns
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* DS205: Consider reworking code to avoid use of IIFEs
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* DS208: Avoid top-level this
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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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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