validation.ts•1.2 kB
import { Request, Response, NextFunction } from 'express';
import { ValidationError } from '../errors';
import { SearchParams, CodeAnalysisParams } from '../types';
export const validateSearch = (req: Request, res: Response, next: NextFunction) => {
const params = req.body as SearchParams;
if (!params.query) {
throw new ValidationError('Search query is required');
}
if (params.query.length < 2) {
throw new ValidationError('Search query must be at least 2 characters');
}
next();
};
export const validateAnalysis = (req: Request, res: Response, next: NextFunction) => {
const params = req.body as CodeAnalysisParams;
if (!params.code) {
throw new ValidationError('Code is required');
}
if (!params.language) {
throw new ValidationError('Programming language is required');
}
const supportedLanguages = ['javascript', 'typescript', 'python', 'java'];
if (!supportedLanguages.includes(params.language.toLowerCase())) {
throw new ValidationError(
`Language ${params.language} is not supported. ` +
`Supported languages: ${supportedLanguages.join(', ')}`
);
}
next();
};