From 47a68c4856b28e4251d9e96f48658a2cf2e5550f Mon Sep 17 00:00:00 2001
From: Joao Maria Araujo do Nascimento <1724026@ifrn.local>
Date: Thu, 21 May 2026 22:21:38 -0300
Subject: [PATCH] =?UTF-8?q?Conex=C3=A3o=20com=20banco=20e=20in=C3=ADcio=20?=
 =?UTF-8?q?de=20repository?=
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---
 backend/.env-example                      |  7 +++++++
 backend/config/database.js                | 19 +++++++++++++++++++
 backend/repositories/usuarioRepository.js | 18 ++++++++++++++++++
 3 files changed, 44 insertions(+)
 create mode 100644 backend/.env-example
 create mode 100644 backend/config/database.js
 create mode 100644 backend/repositories/usuarioRepository.js

diff --git a/backend/.env-example b/backend/.env-example
new file mode 100644
index 0000000..0996ae2
--- /dev/null
+++ b/backend/.env-example
@@ -0,0 +1,7 @@
+PORT=5000
+
+DB_HOST=
+DB_PORT=
+DB_USER=
+DB_PASSWORD=
+DB_NAME=
\ No newline at end of file
diff --git a/backend/config/database.js b/backend/config/database.js
new file mode 100644
index 0000000..7aa1154
--- /dev/null
+++ b/backend/config/database.js
@@ -0,0 +1,19 @@
+import mysql from "mysql2/promise";
+import dotenv from "dotenv";
+
+dotenv.config();
+
+export const pool = mysql.createPool({
+    host : process.env.DB_HOST,
+    port : process.env.DB_PORT,
+    user: process.env.DB_USER,
+    database: process.env.DB_NAME,
+    password: process.env.DB_PASSWORD,
+    waitForConnections: true,
+    connectionLimit: 10
+});
+
+export async function query(sql, params = []){
+    const [rows] = await pool.execute(sql, params);
+    return rows;
+}
\ No newline at end of file
diff --git a/backend/repositories/usuarioRepository.js b/backend/repositories/usuarioRepository.js
new file mode 100644
index 0000000..957df12
--- /dev/null
+++ b/backend/repositories/usuarioRepository.js
@@ -0,0 +1,18 @@
+import {query} from "../config/database.js";
+
+export async function findAll() {
+    return query(`select usuario.id, usuario.nome, usuario.email, perfil.nome 
+                from usuario inner join perfil on 
+                usuario.perfil_id = perfil.id 
+                where usuario.ativo = true`)
+}
+
+export async function findById(id) {
+    return query(`select usuario.id, usuario.nome, usuario.email, perfil.nome 
+                from usuario inner join perfil on 
+                usuario.perfil_id = perfil.id 
+                where usuario.ativo = true and usuario.id = ?`,
+            [id])
+}
+
+