33602d0fe9
Add project scaffolding and development infrastructure: - Add environment configuration files (.env.development, .env.example) with database, JWT, security, AI integration, logging, and CORS settings - Add .gitignore to exclude build artifacts, logs, IDE files, and environment variables - Add .prettierrc with single quotes and trailing commas configuration - Add multi-stage Dockerfile with development, build, and production stages - Ad
124 lines
2.9 KiB
TypeScript
124 lines
2.9 KiB
TypeScript
import { BadRequestException } from '@nestjs/common';
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import { ErrorMessages } from '../constants/error-messages';
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/**
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* Validate UUID format
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*/
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export function isValidUUID(id: string): boolean {
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const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
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return uuidRegex.test(id);
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}
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/**
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* Validate and throw if UUID is invalid
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*/
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export function validateUUID(id: string, fieldName: string = 'ID'): void {
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if (!isValidUUID(id)) {
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throw new BadRequestException(`Некорректный формат ${fieldName}`);
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}
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}
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/**
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* Validate email format
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*/
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export function isValidEmail(email: string): boolean {
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const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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return emailRegex.test(email);
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}
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/**
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* Validate date string format (YYYY-MM-DD)
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*/
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export function isValidDateString(dateStr: string): boolean {
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const dateRegex = /^\d{4}-\d{2}-\d{2}$/;
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if (!dateRegex.test(dateStr)) return false;
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const date = new Date(dateStr);
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return !isNaN(date.getTime());
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}
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/**
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* Validate pagination parameters
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*/
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export interface PaginationParams {
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page: number;
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limit: number;
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}
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export function validatePagination(page?: number, limit?: number): PaginationParams {
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const validPage = Math.max(1, page || 1);
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const validLimit = Math.min(100, Math.max(1, limit || 20));
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return { page: validPage, limit: validLimit };
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}
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/**
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* Calculate pagination offset
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*/
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export function calculateOffset(page: number, limit: number): number {
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return (page - 1) * limit;
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}
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/**
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* Create pagination response metadata
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*/
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export interface PaginationMeta {
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page: number;
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limit: number;
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total: number;
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totalPages: number;
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hasNext: boolean;
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hasPrev: boolean;
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}
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export function createPaginationMeta(
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page: number,
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limit: number,
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total: number,
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): PaginationMeta {
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const totalPages = Math.ceil(total / limit);
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return {
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page,
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limit,
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total,
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totalPages,
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hasNext: page < totalPages,
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hasPrev: page > 1,
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};
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}
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/**
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* Validate date range
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*/
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export function validateDateRange(startDate: string, endDate: string): void {
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if (!isValidDateString(startDate)) {
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throw new BadRequestException('Некорректная дата начала');
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}
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if (!isValidDateString(endDate)) {
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throw new BadRequestException('Некорректная дата окончания');
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}
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if (new Date(startDate) > new Date(endDate)) {
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throw new BadRequestException('Дата начала не может быть позже даты окончания');
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}
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}
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/**
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* Validate transaction amount
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*/
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export function validateTransactionAmount(amount: number): void {
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if (typeof amount !== 'number' || isNaN(amount)) {
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throw new BadRequestException(ErrorMessages.INVALID_AMOUNT);
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}
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if (amount <= 0) {
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throw new BadRequestException(ErrorMessages.AMOUNT_MUST_BE_POSITIVE);
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}
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if (amount > 1_000_000_000) {
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throw new BadRequestException(ErrorMessages.AMOUNT_TOO_LARGE);
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}
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}
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