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* Centralized Validation Schemas
*
* Common reusable Zod schemas for API input validation.
* Import these schemas in API routes to ensure consistent validation.
*/
import { z } from 'zod';
// ============================================================================
// PRIMITIVE SCHEMAS - Reusable building blocks
// ============================================================================
/**
* ID schema for database IDs (positive integers)
*/
export const idSchema = z.coerce.number().int().positive('ID must be a positive integer');
/**
* Optional ID schema (for nullable foreign keys)
*/
export const optionalIdSchema = idSchema.nullable().optional();
/**
* UUID schema for string UUIDs
*/
export const uuidSchema = z.string().uuid('Invalid UUID format');
/**
* Email schema with standard validation
*/
export const emailSchema = z
.string()
.min(1, 'Email is required')
.trim()
.toLowerCase()
.email('Invalid email address')
.max(255, 'Email must be less than 255 characters');
/**
* Password schema with minimum security requirements
*/
export const passwordSchema = z
.string()
.min(8, 'Password must be at least 8 characters')
.max(128, 'Password must be less than 128 characters')
.regex(
/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)/,
'Password must contain at least one lowercase letter, one uppercase letter, and one number'
);
/**
* Simple password schema (for login - no complexity requirements)
*/
export const simplePasswordSchema = z
.string()
.min(1, 'Password is required')
.max(128, 'Password must be less than 128 characters');
/**
* Name schema for user names
*/
export const nameSchema = z
.string()
.min(2, 'Name must be at least 2 characters')
.max(100, 'Name must be less than 100 characters')
.trim();
/**
* Phone number schema
*/
export const phoneSchema = z
.string()
.min(10, 'Phone number must be at least 10 digits')
.max(20, 'Phone number must be less than 20 characters')
.regex(/^[+]?[\d\s()-]+$/, 'Invalid phone number format');
/**
* URL schema
*/
export const urlSchema = z.string().url('Invalid URL format').max(2048, 'URL is too long');
/**
* Slug schema for URL-friendly strings
*/
export const slugSchema = z
.string()
.min(1, 'Slug is required')
.max(200, 'Slug must be less than 200 characters')
.regex(
/^[a-z0-9]+(?:-[a-z0-9]+)*$/,
'Slug must be URL-friendly (lowercase letters, numbers, and hyphens only)'
);
// ============================================================================
// PAGINATION SCHEMAS
// ============================================================================
/**
* Standard pagination schema for list endpoints
*/
export const paginationSchema = z.object({
page: z.coerce.number().int().positive().optional().default(1),
limit: z.coerce.number().int().min(1).max(100).optional().default(20),
sortBy: z.string().optional(),
sortOrder: z.enum(['asc', 'desc']).optional().default('desc')});
/**
* Extended pagination with search
*/
export const searchPaginationSchema = paginationSchema.extend({
search: z.string().max(200, 'Search query too long').optional(),
q: z.string().max(200, 'Search query too long').optional()});
// ============================================================================
// ADDRESS SCHEMAS
// ============================================================================
/**
* Address type enum
*/
export const addressTypeSchema = z.enum(['SHIPPING', 'BILLING']);
/**
* Base address schema
*/
export const addressSchema = z.object({
street: z.string().min(5, 'Street must be at least 5 characters').max(255),
city: z.string().min(2, 'City must be at least 2 characters').max(100),
state: z.string().min(2, 'State must be at least 2 characters').max(100),
zipCode: z.string().min(3, 'Zip code must be at least 3 characters').max(20),
country: z.string().min(2, 'Country must be at least 2 characters').max(100)});
/**
* Full address schema with type
*/
export const fullAddressSchema = addressSchema.extend({
type: addressTypeSchema,
isDefault: z.boolean().optional().default(false)});
// ============================================================================
// MONETARY SCHEMAS
// ============================================================================
/**
* Price schema (positive decimal)
*/
export const priceSchema = z.coerce.number().positive('Price must be positive');
/**
* Non-negative number (for stock, quantities)
*/
export const nonNegativeSchema = z.coerce.number().nonnegative('Value cannot be negative');
/**
* Quantity schema (positive integer)
*/
export const quantitySchema = z.coerce.number().int().positive('Quantity must be at least 1');
// ============================================================================
// DATE SCHEMAS
// ============================================================================
/**
* Date string schema (ISO format)
*/
export const dateStringSchema = z.string().datetime({ message: 'Invalid date format' });
/**
* Coerced date schema
*/
export const dateSchema = z.coerce.date();
/**
* Date range schema
*/
export const dateRangeSchema = z
.object({
dateFrom: dateSchema.optional(),
dateTo: dateSchema.optional()})
.refine(
(data) => {
if (data.dateFrom && data.dateTo) {
return data.dateFrom <= data.dateTo;
}
return true;
},
{ message: 'Start date must be before end date' }
);
// ============================================================================
// CONTENT SCHEMAS
// ============================================================================
/**
* Short text schema (titles, names)
*/
export const shortTextSchema = z
.string()
.min(1, 'This field is required')
.max(255, 'Text must be less than 255 characters')
.trim();
/**
* Long text schema (descriptions, content)
*/
export const longTextSchema = z
.string()
.min(1, 'This field is required')
.max(10000, 'Text must be less than 10000 characters')
.trim();
/**
* Optional text schema
*/
export const optionalTextSchema = z.string().max(10000).optional();
// ============================================================================
// FILE SCHEMAS
// ============================================================================
/**
* File metadata schema
*/
export const fileMetadataSchema = z.object({
fileName: z.string().min(1).max(255),
fileType: z.string().min(1).max(100),
fileSize: z
.number()
.int()
.positive()
.max(10 * 1024 * 1024, 'File size must be less than 10MB')});
/**
* Image URL schema
*/
export const imageUrlSchema = z.object({
url: urlSchema,
thumbnailUrl: urlSchema.optional(),
alt: z.string().max(255).optional()});
// ============================================================================
// TYPE EXPORTS
// ============================================================================
export type PaginationInput = z.infer<typeof paginationSchema>;
export type SearchPaginationInput = z.infer<typeof searchPaginationSchema>;
export type AddressInput = z.infer<typeof addressSchema>;
export type FullAddressInput = z.infer<typeof fullAddressSchema>;
export type DateRangeInput = z.infer<typeof dateRangeSchema>;
export type FileMetadataInput = z.infer<typeof fileMetadataSchema>;
export type ImageUrlInput = z.infer<typeof imageUrlSchema>;
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