60 lines
1.7 KiB
TypeScript
60 lines
1.7 KiB
TypeScript
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/*
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|--------------------------------------------------------------------------
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| Preloaded File - node ace make:preload rules/unique
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|--------------------------------------------------------------------------
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|*/
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import { FieldContext } from '@vinejs/vine/types';
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import db from '@adonisjs/lucid/services/db';
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import vine from '@vinejs/vine';
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import { VineString, VineNumber } from '@vinejs/vine';
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/**
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* Options accepted by the unique rule
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*/
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type Options = {
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table: string;
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column: string;
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whereNot?: ((field: FieldContext) => string);
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};
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async function isUnique(value: unknown, options: Options, field: FieldContext) {
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if (typeof value !== 'string' && typeof value != 'number') {
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return;
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}
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let ignoreId: string | undefined;
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if (options.whereNot) {
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ignoreId = options.whereNot(field);
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}
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const builder = db.from(options.table).select(options.column).where(options.column, value);
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if (ignoreId) {
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builder.whereNot('id', '=', ignoreId);
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}
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const result = await builder.first();
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if (result) {
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// report that value is NOT unique
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field.report('The {{ field }} field is not unique', 'isUnique', field);
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}
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}
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export const isUniqueRule = vine.createRule(isUnique);
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declare module '@vinejs/vine' {
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interface VineString {
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isUnique(options: Options): this;
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}
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interface VineNumber {
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isUnique(options: Options): this;
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}
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}
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VineString.macro('isUnique', function (this: VineString, options: Options) {
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return this.use(isUniqueRule(options));
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});
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VineNumber.macro('isUnique', function (this: VineNumber, options: Options) {
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return this.use(isUniqueRule(options));
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});
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