Code Explainers

Code explainers tagged #repository-pattern

typescript 
import { Injectable, NotFoundException, ConflictException } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository, DeepPartial } from 'typeorm';
import { User } from './entities/user.entity';

Building a CRUD service in NestJS

crud dependency-injection repository-pattern
Intermediate 7 steps
go 
package storage
 
import (
	"context"

A SQLite-backed order store in Go

database/sql sqlite error-wrapping
Intermediate 7 steps
php 
<?php
 
final class OrderRepository
{

Atomic order placement with PDO transactions

transactions prepared-statements atomicity
Intermediate 8 steps
php 
<?php
 
final class UserRepository
{

A safe PDO user repository in PHP

prepared-statements repository-pattern sql-injection
Intermediate 7 steps
typescript 
import { Injectable, Logger } from '@nestjs/common';
import { Cron, CronExpression } from '@nestjs/schedule';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository, LessThan } from 'typeorm';

Scheduled session cleanup in NestJS

cron-scheduling background-jobs repository-pattern
Intermediate 7 steps
php 
<?php
 
final class ProductRepository
{

Safe SQL pagination with PDO in PHP

pagination input-validation prepared-statements
Intermediate 7 steps