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