codesnips

rest-api

python 
import base64
import json
from datetime import datetime
from typing import Optional, Tuple

Opaque Cursor Pagination for FastAPI Endpoints with SQLAlchemy

fastapi sqlalchemy pagination
by codesnips 3 tabs
java 
package com.example.auth.dto;

import jakarta.validation.constraints.Email;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Size;

Collect Bean Validation Field Errors in a Spring Boot Signup Endpoint

spring-boot bean-validation jakarta-validation
by codesnips 3 tabs
java 
package com.example.security;

import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.JwtException;
import io.jsonwebtoken.io.Decoders;

Stateless JWT Authentication Filter and SecurityFilterChain in Spring Boot

java spring-boot spring-security
by codesnips 3 tabs
java 
package com.shop.orders;

import jakarta.persistence.*;
import java.math.BigDecimal;
import java.time.Instant;
import java.util.ArrayList;

Mapping a JPA Entity to a Response DTO with MapStruct in Spring Boot

spring-boot jpa mapstruct
by codesnips 4 tabs
java 
package com.example.caching.config;

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.filter.ShallowEtagHeaderFilter;

Conditional GET with ETag ShallowEtagHeaderFilter and Cache-Control in Spring Boot

spring-boot http-caching etag
by codesnips 3 tabs
python 
from flask import jsonify
from marshmallow import ValidationError as MarshmallowValidationError
from werkzeug.exceptions import HTTPException


class ApiError(Exception):

Structured JSON Error Handling for Flask API Validation Failures

flask rest-api error-handling
by codesnips 3 tabs
java 
package com.example.feed;

import java.nio.charset.StandardCharsets;
import java.time.Instant;
import java.util.Base64;

Keyset (Cursor) Pagination with Spring Data JPA and Base64 Cursors

spring spring-data jpa
by codesnips 3 tabs
typescript 
import { Exclude, Expose } from 'class-transformer';

export class User {
  id: string;

  firstName: string;

Hide Sensitive Fields in NestJS Responses with class-transformer and ClassSerializerInterceptor

nestjs class-transformer serialization
by codesnips 3 tabs
java 
public class PayloadLimitFilter extends OncePerRequestFilter {

    private final long maxBytes;
    private final Set<String> allowedTypes;

    public PayloadLimitFilter(long maxBytes, Set<String> allowedTypes) {

Enforce Request Payload Size and Content-Type with a Servlet Filter and Controller Guard

spring-boot servlet-filter validation
by codesnips 4 tabs
java 
package com.example.feed;

import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Slice;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;

Cursor-Paginated Feed With Keyset Query and Spring Data Slice

spring-boot spring-data-jpa pagination
by codesnips 4 tabs
java 
package com.example.orders.dto;

import com.example.orders.validation.ValidationGroups.Create;
import com.example.orders.validation.ValidationGroups.Update;
import jakarta.validation.Valid;
import jakarta.validation.constraints.*;

Cascading @Valid on Nested DTOs with Validation Groups in Spring Boot

spring-boot validation bean-validation
by codesnips 4 tabs
java 
@RestController
@RequestMapping("/api/products")
public class ProductController {

    private final ProductRepository repository;
    private final JsonMergePatchService patchService;

Spring Boot PATCH Endpoint With JSON Merge Patch (RFC 7386)

spring-boot rest-api json-merge-patch
by codesnips 4 tabs