67 lines
2.4 KiB
TypeScript
67 lines
2.4 KiB
TypeScript
import { Request, Response } from 'express';
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import { KnexCrudOptions, Authorization } from './KnexCrudOptions';
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type AuthRunner = {
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(req: Request, res: Response): Promise<boolean>;
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}
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export class KnexCrudOptionsReader {
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private options: KnexCrudOptions;
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public constructor (options: KnexCrudOptions) {
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this.options = options;
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}
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private get_auth_runner (
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auth?: Authorization
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): AuthRunner {
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if (typeof auth === 'undefined')
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return (): Promise<boolean> => new Promise ((r) => r (true));
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return (req, res): Promise<boolean> => new Promise ((resolve) => {
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const result = auth (req, res, resolve);
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if (typeof result !== 'undefined')
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resolve (result as boolean);
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});
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}
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public get optional_columns (): Array<string> | undefined {
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return this.options.optional_columns;
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}
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public get create_authorization (): Authorization {
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const general = this.get_auth_runner (this.options.general_authorization);
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const specific = this.get_auth_runner (this.options.create_authorization);
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return async (req: Request, res: Response): Promise<boolean> => {
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const result = (await general (req, res)) && (await specific (req, res));
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return result;
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};
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}
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public get read_authorization (): Authorization {
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const general = this.get_auth_runner (this.options.general_authorization);
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const specific = this.get_auth_runner (this.options.read_authorization);
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return async (req: Request, res: Response): Promise<boolean> => {
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const result = (await general (req, res)) && (await specific (req, res));
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return result;
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};
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}
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public get update_authorization (): Authorization {
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const general = this.get_auth_runner (this.options.general_authorization);
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const specific = this.get_auth_runner (this.options.update_authorization);
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return async (req: Request, res: Response): Promise<boolean> => {
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const result = (await general (req, res)) && (await specific (req, res));
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return result;
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};
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}
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public get delete_authorization (): Authorization {
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const general = this.get_auth_runner (this.options.general_authorization);
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const specific = this.get_auth_runner (this.options.delete_authorization);
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return async (req: Request, res: Response): Promise<boolean> => {
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const result = (await general (req, res)) && (await specific (req, res));
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return result;
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};
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}
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}
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