feat: migrar emails de Resend a Nodemailer + Gmail SMTP

Reemplaza Resend por nodemailer con Gmail SMTP. El to: ahora usa
el email real del cliente en lugar del hardcodeado de sandbox.
Variables de entorno: GMAIL_USER y GMAIL_APP_PASSWORD.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.env.example

@@ -1,5 +1,6 @@
 DATABASE_URL="postgresql://taller:taller123@localhost:5432/taller_turnos"
 NEXTAUTH_SECRET="cambia-esto-por-un-secret-seguro"
 NEXTAUTH_URL="http://localhost:3000"
-RESEND_API_KEY="re_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+GMAIL_USER="tu-email@gmail.com"
+GMAIL_APP_PASSWORD="xxxx xxxx xxxx xxxx"
 MAGIC_LINK_BASE_URL="http://localhost:3000"

package-lock.json

@@ -10,15 +10,16 @@
       "dependencies": {
         "@prisma/adapter-pg": "^7.8.0",
         "@prisma/client": "^7.8.0",
+        "@types/nodemailer": "^8.0.1",
         "bcryptjs": "^3.0.3",
         "jose": "^6.2.3",
         "jsonwebtoken": "^9.0.3",
         "next": "14.2.35",
         "next-auth": "^5.0.0-beta.25",
+        "nodemailer": "^6.10.1",
         "prisma": "^7.8.0",
         "react": "^18",
-        "react-dom": "^18",
+        "react-dom": "^18"
-        "resend": "^6.14.0"
       },
       "devDependencies": {
         "@types/bcryptjs": "^2.4.6",
@@ -1416,12 +1417,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@stablelib/base64": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/@stablelib/base64/-/base64-1.0.1.tgz",
-      "integrity": "sha512-1bnPQqSxSuc3Ii6MhBysoWCg58j97aUjuCSZrGSmDxNqtytIi0k8utUenAwTZN4V5mXXYGsVUI9zeBqy+jBOSQ==",
-      "license": "MIT"
-    },
     "node_modules/@standard-schema/spec": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz",
@@ -1502,6 +1497,15 @@
         "undici-types": "~6.21.0"
       }
     },
+    "node_modules/@types/nodemailer": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@types/nodemailer/-/nodemailer-8.0.1.tgz",
+      "integrity": "sha512-PxpaInm8V1JQDd4j0ds5HfvWQk8JupS1C0Picb96QJsrrRDjBH+DlK7L4ZdNSqNULhiZRQHc40nLVShaGxXAMw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/pg": {
       "version": "8.20.0",
       "resolved": "https://registry.npmjs.org/@types/pg/-/pg-8.20.0.tgz",
@@ -3884,12 +3888,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/fast-sha256": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/fast-sha256/-/fast-sha256-1.3.0.tgz",
-      "integrity": "sha512-n11RGP/lrWEFI/bWdygLxhI+pVeo1ZYIVwvvPkW7azl/rOy+F3HYRZ2K5zeE9mmkhQppyv9sQFx0JM9UabnpPQ==",
-      "license": "Unlicense"
-    },
     "node_modules/fast-uri": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/fast-uri/-/fast-uri-3.1.2.tgz",
@@ -5622,6 +5620,15 @@
         "semver": "bin/semver.js"
       }
     },
+    "node_modules/nodemailer": {
+      "version": "6.10.1",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.10.1.tgz",
+      "integrity": "sha512-Z+iLaBGVaSjbIzQ4pX6XV41HrooLsQ10ZWPUehGmuantvzWoDVBnmsdUcOIDM1t+yPor5pDhVlDESgOMEGxhHA==",
+      "license": "MIT-0",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -6094,12 +6101,6 @@
         "node": ">= 0.4"
       }
     },
-    "node_modules/postal-mime": {
-      "version": "2.7.4",
-      "resolved": "https://registry.npmjs.org/postal-mime/-/postal-mime-2.7.4.tgz",
-      "integrity": "sha512-0WdnFQYUrPGGTFu1uOqD2s7omwua8xaeYGdO6rb88oD5yJ/4pPHDA4sdWqfD8wQVfCny563n/HQS7zTFft+f/g==",
-      "license": "MIT-0"
-    },
     "node_modules/postcss": {
       "version": "8.5.15",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
@@ -6611,27 +6612,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/resend": {
-      "version": "6.14.0",
-      "resolved": "https://registry.npmjs.org/resend/-/resend-6.14.0.tgz",
-      "integrity": "sha512-jVdpUgOoWGLjaP64lo8KwzHT9gY4w6Dl8c36CIb2F+ayYOMLr3khqs8xrNjXM2k19b+lPoj0VWQFhVNLiToBjA==",
-      "license": "MIT",
-      "dependencies": {
-        "postal-mime": "2.7.4",
-        "standardwebhooks": "1.0.0"
-      },
-      "engines": {
-        "node": ">=20"
-      },
-      "peerDependencies": {
-        "@react-email/render": "*"
-      },
-      "peerDependenciesMeta": {
-        "@react-email/render": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/resolve": {
       "version": "2.0.0-next.7",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-2.0.0-next.7.tgz",
@@ -7058,16 +7038,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/standardwebhooks": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/standardwebhooks/-/standardwebhooks-1.0.0.tgz",
-      "integrity": "sha512-BbHGOQK9olHPMvQNHWul6MYlrRTAOKn03rOe4A8O3CLWhNf4YHBqq2HJKKC+sfqpxiBY52pNeesD6jIiLDz8jg==",
-      "license": "MIT",
-      "dependencies": {
-        "@stablelib/base64": "^1.0.0",
-        "fast-sha256": "^1.3.0"
-      }
-    },
     "node_modules/std-env": {
       "version": "3.10.0",
       "resolved": "https://registry.npmjs.org/std-env/-/std-env-3.10.0.tgz",

package.json

@@ -18,15 +18,16 @@
   "dependencies": {
     "@prisma/adapter-pg": "^7.8.0",
     "@prisma/client": "^7.8.0",
+    "@types/nodemailer": "^8.0.1",
     "bcryptjs": "^3.0.3",
     "jose": "^6.2.3",
     "jsonwebtoken": "^9.0.3",
     "next": "14.2.35",
     "next-auth": "^5.0.0-beta.25",
+    "nodemailer": "^6.10.1",
     "prisma": "^7.8.0",
     "react": "^18",
-    "react-dom": "^18",
+    "react-dom": "^18"
-    "resend": "^6.14.0"
   },
   "devDependencies": {
     "@types/bcryptjs": "^2.4.6",

src/lib/magic-link.ts

@@ -1,21 +1,28 @@
 import { prisma } from "./prisma";
-import { Resend } from "resend";
+import nodemailer from "nodemailer";
 import crypto from "crypto";
 
-const resend = new Resend(process.env.RESEND_API_KEY);
+const transporter = nodemailer.createTransport({
+  host: "smtp.gmail.com",
+  port: 587,
+  secure: false,
+  auth: {
+    user: process.env.GMAIL_USER,
+    pass: process.env.GMAIL_APP_PASSWORD,
+  },
+});
 
 export async function enviarMagicLink(email: string): Promise<{ ok: boolean; error?: string }> {
   const cliente = await prisma.cliente.findUnique({ where: { email } });
   if (!cliente) return { ok: false, error: "Email no registrado" };
 
-  // Invalidar tokens anteriores no usados
   await prisma.magicToken.updateMany({
     where: { clienteId: cliente.id, usado: false },
     data: { usado: true },
   });
 
   const token = crypto.randomBytes(32).toString("hex");
-  const expiresAt = new Date(Date.now() + 15 * 60 * 1000); // 15 minutos
+  const expiresAt = new Date(Date.now() + 15 * 60 * 1000);
 
   await prisma.magicToken.create({
     data: { clienteId: cliente.id, token, expiresAt },
@@ -23,9 +30,9 @@ export async function enviarMagicLink(email: string): Promise<{ ok: boolean; err
 
   const link = `${process.env.MAGIC_LINK_BASE_URL}/cliente/auth?token=${token}`;
 
-  await resend.emails.send({
+  await transporter.sendMail({
-    from: "Taller <onboarding@resend.dev>",
+    from: `"Taller" <${process.env.GMAIL_USER}>`,
-    to: "jpbeldomenico@gmail.com",
+    to: email,
     subject: "Tu link de acceso al taller",
     html: `
       <h2>Hola ${cliente.nombre}!</h2>