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Timo Hocker 2020-07-04 16:49:54 +02:00
commit 20c3780f8e
13 changed files with 0 additions and 351 deletions
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20
lib/snippets/database/classes/Column.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, May 2020
*/
import { ColumnType } from './ColumnType';
import { Relation } from './Relation';
export class Column {
public name: string;
public type: ColumnType;
public relation?: Relation;
public constructor (name: string, type: ColumnType) {
this.name = name;
this.type = type;
}
}

27
lib/snippets/database/classes/ColumnType.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, May 2020
*/
export enum ColumnType {
string = 'string',
text = 'text',
integer = 'integer',
big_integer = 'bigInteger',
float = 'float',
decimal = 'decimal',
increments = 'increments',
big_increments = 'bigIncrements',
boolean = 'boolean',
date = 'date',
date_time ='datetime',
time = 'time',
timestamp = 'timestamp',
binary = 'binary',
enum = 'enu',
json='json',
jsonb='jsonb',
uuid='uuid'
}

21
lib/snippets/database/classes/Database.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, May 2020
*/
import { Table } from './Table';
export class Database {
public tables: Array<Table> = [];
public get_table (name: string): Table|null {
for (const table of this.tables) {
if (table.name === name)
return table;
}
return null;
}
}

13
lib/snippets/database/classes/PatchAction.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, May 2020
*/
import { Database } from './Database';
export interface PatchAction {
apply(db: Database): void;
assign_object(obj: Record<string, unknown>):void;
}

16
lib/snippets/database/classes/Relation.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, May 2020
*/
export class Relation {
public column: string;
public table: string;
public constructor (table: string, column: string) {
this.column = column;
this.table = table;
}
}

26
lib/snippets/database/classes/Table.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, May 2020
*/
import { Column } from './Column';
export class Table {
public name: string;
public columns: Array<Column> = [];
public constructor (name: string) {
this.name = name;
}
public get_column (name: string): Column|null {
for (const col of this.columns) {
if (col.name === name)
return col;
}
return null;
}
}

21
lib/snippets/database/index.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, May 2020
*/
import { Snippet } from '../../Snippet';
import { MainMenu } from './menu/MainMenu';
import { Database as DatabaseClass } from './classes/Database';
export default class Database implements Snippet {
public is_active (): boolean {
return false;
}
public async start (): Promise<void> {
await (new MainMenu (new DatabaseClass))
.run ();
}
}

21
lib/snippets/database/menu/MainMenu.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, June 2020
*/
import { Database } from '../classes/Database';
import { Menu } from './Menu';
export class MainMenu extends Menu {
public constructor (db: Database) {
super ('Snippeteer Database');
this.register_option ('quit', () => {
// noop
});
this.register_option ('create table', () => {
console.log ('table');
});
}
}

35
lib/snippets/database/menu/Menu.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, June 2020
*/
import { StringOption } from '@sapphirecode/console-app';
export class Menu {
private _options: Record<string, ()=>void|Promise<void>> = {};
private _title: string;
public constructor (title: string) {
this._title = title;
}
public async run (): Promise<void> {
const options = Object.keys (this._options);
const selected = await (new StringOption ({
name: 'menu_select',
message: this._title,
sources: { console: false },
exit_on_interrupt: true,
preset: options
}))
.parse ();
if (typeof this._options[selected] !== 'undefined')
await new Promise (this._options[selected]);
}
public register_option (name:string, callback:()=>void|Promise<void>): void {
this._options[name] = callback;
}
}

16
lib/snippets/database/patch_actions/ActionFactory.ts
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import { PatchAction } from '../classes/PatchAction';
export class ActionFactory {
private static _actions: Record<string, (json:string)=>PatchAction> = {};
public static get (name:string, json:string): PatchAction {
return this._actions[name] (json);
}
public static register (
name:string,
constr: (json:string)=>PatchAction
):void {
this._actions[name] = constr;
}
}

29
lib/snippets/database/patch_actions/AddTable.ts
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import { Persistent } from '@sapphirecode/modelling';
import { PatchAction } from '../classes/PatchAction';
import { Database } from '../classes/Database';
import { Table } from '../classes/Table';
import { Column } from '../classes/Column';
import { ColumnType } from '../classes/ColumnType';
export class AddTable extends Persistent implements PatchAction {
public get name ():string {
return this.get ('name') as string;
}
public constructor (name:string) {
super ();
this.properties.name = 'string';
this.set ('name', name);
}
public apply (db: Database):void {
if (typeof db.get_table (this.name) !== 'undefined')
throw new Error ('table already exists');
const table = new Table (this.name);
table.columns.push (new Column ('id', ColumnType.increments));
db.tables.push (table);
}
}

50
lib/snippets/database/patch_actions/PatchActions.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, June 2020
*/
import { PatchAction } from '../classes/PatchAction';
import { ActionFactory } from './ActionFactory';
import { RenameColumn } from './RenameColumn';
import { AddTable } from './AddTable';
/*
* export { AddColumn } from './AddColumn';
* export { DropColumn } from './DropColumn';
* export { AddRelation } from './AddRelation';
* export { DropRelation } from './DropRelation';
* export { SetColumnType } from './SetColumnType';
* export { DropTable } from './DropTable';
* export { RenameTable } from './RenameTable';
* export { InsertData } from './InsertData';
* export { UpdateData } from './UpdateData';
* export { MutateDate } from './MutateDate';
* export { DeleteData } from './DeleteData';
*/
function assign_json (patch:PatchAction, json:string):PatchAction {
const obj = JSON.parse (json);
patch.assign_object (obj);
return patch;
}
function init ():void {
ActionFactory.register (
'rename_column',
(json:string) => assign_json (new RenameColumn ('', '', ''), json)
);
ActionFactory.register (
'add_table',
(json:string) => assign_json (new AddTable (''), json)
);
}
export {
init,
RenameColumn,
AddTable
};

56
lib/snippets/database/patch_actions/RenameColumn.ts
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/*
* Copyright (C) SapphireCode - All Rights Reserved
* This file is part of Snippeteer which is released under BSD-3-Clause.
* See file 'LICENSE' for full license details.
* Created by Timo Hocker <timo@scode.ovh>, May 2020
*/
import { Persistent } from '@sapphirecode/modelling';
import { PatchAction } from '../classes/PatchAction';
import { Database } from '../classes/Database';
export class RenameColumn extends Persistent implements PatchAction {
public get table (): string {
return this.get ('table') as string;
}
public get column (): string {
return this.get ('column') as string;
}
public get new_name (): string {
return this.get ('new_name') as string;
}
public constructor (
column: string,
new_name: string,
table: string
) {
super ();
this.properties.column = 'string';
this.properties.table = 'string';
this.properties.new_name = 'string';
this.set ('column', column);
this.set ('new_name', new_name);
this.set ('table', table);
}
public apply (db: Database): void {
const table = db.get_table (this.table);
if (typeof table === 'undefined' || table === null) {
throw new Error (
`table ${this.table} not found`
);
}
const column = table.get_column (this.column);
if (typeof column === 'undefined' || column === null) {
throw new Error (
`column ${this.column} not found in table ${this.table}`
);
}
column.name = this.new_name;
}
}