-- envio de email al admini en caso de error

.env

@@ -48,3 +48,14 @@ AUTH_METHOD=POST
 TM_HEADER_ORIGIN=https://azure-function.timemanagerweb.com
 TM_HEADER_TENANT_NAME=pruebas-dos
 TM_HEADER_USER_AGENT='Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36'
+
+
+# Configuración de correo SMTP
+EMAIL_HOST=mail.myapps.bo
+EMAIL_PORT=465
+EMAIL_USER=noreply@myapps.bo
+EMAIL_PASSWORD=sb6+3vchj11e
+EMAIL_FROM=noreply@myapps.bo
+EMAIL_ADMIN=sureflatron3@gmail.com
+
+APP_NAME=Rendición de Gastos

.gitignore

@@ -11,7 +11,7 @@
 *.dll
 *.so
 *.dylib
-
+*.log
 # Test binary, built with `go test -c`
 *.test
 
@@ -29,6 +29,8 @@ go.work
 # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
 
 # User-specific stuff
+.idea/**
+.logs/*.log
 .idea/**/workspace.xml
 .idea/**/tasks.xml
 .idea/**/usage.statistics.xml

cmd/go-sync-service/main.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/tuusuario/go-sync-service/internal/config"
+	email "github.com/tuusuario/go-sync-service/internal/email"
 	"github.com/tuusuario/go-sync-service/internal/scheduler"
 	"github.com/tuusuario/go-sync-service/metrics"
 )
@@ -26,6 +27,8 @@ func main() {
 	config.InitLogger(conf)
 	config.Log.Info("🚀 Iniciando servicio: go-sync-service")
 
+	emailService := email.NewSMTPEmailService(conf)
+
 	// Conexión a Redis
 	redisClient := config.GetRedisClient(conf)
 	if err := redisClient.Ping(context.Background()).Err(); err != nil {
@@ -44,7 +47,7 @@ func main() {
 	}
 	config.Log.Info("✅ Conexión a base de datos establecida")
 
-	scheduler.Start(context.Background(), redisClient, redisConfigProvider, database)
+	scheduler.Start(context.Background(), redisClient, redisConfigProvider, database, *emailService)
 	config.Log.Info("✅ Scheduler en ejecución y escuchando recargas")
 
 	//metrics Grafana

go.mod

@@ -27,8 +27,8 @@ require (
 	github.com/subosito/gotenv v1.6.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.9.0 // indirect
-	golang.org/x/sync v0.13.0 // indirect
+	golang.org/x/sync v0.17.0 // indirect
-	golang.org/x/sys v0.32.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	gorm.io/gorm v1.30.0
 )
@@ -41,9 +41,9 @@ require (
 	github.com/prometheus/client_golang v1.22.0
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/viper v1.20.1
-	golang.org/x/crypto v0.37.0 // indirect
+	golang.org/x/crypto v0.42.0 // indirect
-	golang.org/x/net v0.33.0 // indirect
+	golang.org/x/net v0.43.0 // indirect
-	golang.org/x/text v0.24.0 // indirect
+	golang.org/x/text v0.29.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gorm.io/driver/postgres v1.6.0
 )
@@ -52,9 +52,16 @@ require github.com/elastic/go-elasticsearch v0.0.0
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.10 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.28.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.62.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
 	google.golang.org/protobuf v1.36.5 // indirect
+	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
+	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df // indirect
 )

go.sum

@@ -18,6 +18,14 @@ github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHk
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
 github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
+github.com/gabriel-vasile/mimetype v1.4.10 h1:zyueNbySn/z8mJZHLt6IPw0KoZsiQNszIpU+bX4+ZK0=
+github.com/gabriel-vasile/mimetype v1.4.10/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
+github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator/v10 v10.28.0 h1:Q7ibns33JjyW48gHkuFT91qX48KG0ktULL6FgHdG688=
+github.com/go-playground/validator/v10 v10.28.0/go.mod h1:GoI6I1SjPBh9p7ykNE/yj3fFYbyDOpwMn5KXd+m2hUU=
 github.com/go-resty/resty/v2 v2.16.5 h1:hBKqmWrr7uRc3euHVqmh1HTHcKn99Smr7o5spptdhTM=
 github.com/go-resty/resty/v2 v2.16.5/go.mod h1:hkJtXbA2iKHzJheXYvQ8snQES5ZLGKMwQ07xAwp/fiA=
 github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss=
@@ -44,6 +52,8 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
+github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
+github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
@@ -92,22 +102,36 @@ go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
 go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
 golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
 golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
+golang.org/x/crypto v0.42.0 h1:chiH31gIWm57EkTXpwnqf8qeuMUi0yekh6mT2AvFlqI=
+golang.org/x/crypto v0.42.0/go.mod h1:4+rDnOTJhQCx2q7/j6rAN5XDw8kPjeaXEUR2eL94ix8=
 golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
 golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
+golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
+golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
 golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
 golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
 golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
 golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
+golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=
+golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
 golang.org/x/time v0.8.0 h1:9i3RxcPv3PZnitoVGMPDKZSq1xW1gK1Xy3ArNOGZfEg=
 golang.org/x/time v0.8.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
 google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE=
+gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/config/config.go

@@ -55,6 +55,16 @@ type Config struct {
 	TM_HEADER_ORIGIN      string `mapstructure:"TM_HEADER_ORIGIN"`
 	TM_HEADER_TENANT_NAME string `mapstructure:"TM_HEADER_TENANT_NAME"`
 	TM_HEADER_USER_AGENT  string `mapstructure:"TM_HEADER_USER_AGENT"`
+
+	// Email
+	EmailHost     string `mapstructure:"EMAIL_HOST"`
+	EmailPort     int    `mapstructure:"EMAIL_PORT"`
+	EmailUser     string `mapstructure:"EMAIL_USER"`
+	EmailPassword string `mapstructure:"EMAIL_PASSWORD"`
+	EmailFrom     string `mapstructure:"EMAIL_FROM"`
+	EmailAdmin    string `mapstructure:"EMAIL_ADMIN"`
+
+	AppName string `mapstructure:"APP_NAME"`
 }
 
 var GlobalConfig *Config

internal/email/email_service.go

@@ -0,0 +1,139 @@
+package email
+
+import (
+	"fmt"
+	"github.com/tuusuario/go-sync-service/internal/config"
+	"github.com/tuusuario/go-sync-service/internal/domain/ports"
+	"log"
+	"time"
+
+	"github.com/go-playground/validator/v10"
+	"gopkg.in/gomail.v2"
+)
+
+// EmailService define la interfaz para el envío de correos
+type EmailService interface {
+	SendEmail(email EmailRequest) error
+}
+
+// SMTPEmailService implementa EmailService con SMTP
+type SMTPEmailService struct {
+	Config    *config.Config
+	Validator *validator.Validate
+}
+
+// NewSMTPEmailService retorna una nueva instancia del servicio de email con validación
+func NewSMTPEmailService(cfg *config.Config) *SMTPEmailService {
+	return &SMTPEmailService{
+		Config:    cfg,
+		Validator: validator.New(), // Inicializa el validador
+	}
+}
+
+// EmailRequest estructura para la validación del email
+type EmailRequest struct {
+	To      string `json:"correoElectronico" validate:"required,email"`
+	Subject string `json:"asunto" validate:"required,min=3,max=100"`
+	Body    string `json:"cuerpo" validate:"required"`
+}
+
+// SendEmail valida y envía un correo electrónico usando SMTP
+func (s *SMTPEmailService) SendEmail(email EmailRequest) error {
+	// Validar la estructura antes de enviarla
+	/*
+		err := s.Validator.Struct(email)
+		if err != nil {
+			for _, err := range err.(validator.ValidationErrors) {
+				log.Printf("❌ Error de validación en %s: %s", err.Field(), err.Tag())
+			}
+			return fmt.Errorf("❌ Error en la validación del email: %v", err)
+		}
+	*/
+	smtpHost := s.Config.EmailHost
+	smtpPort := s.Config.EmailPort
+	smtpUser := s.Config.EmailUser
+	smtpPass := s.Config.EmailPassword
+	emailFrom := s.Config.EmailFrom
+
+	if smtpHost == "" || smtpUser == "" || smtpPass == "" || emailFrom == "" || smtpPort == 0 {
+		log.Println("❌ ERROR: Faltan variables de entorno para SMTP")
+		return fmt.Errorf("faltan variables de entorno para el envío de correos")
+	}
+
+	log.Printf("📧 Enviando correo desde: %s", emailFrom)
+
+	mail := gomail.NewMessage()
+	mail.SetHeader("From", emailFrom)
+	mail.SetHeader("To", email.To)
+	mail.SetHeader("Subject", email.Subject)
+	mail.SetBody("text/html", email.Body)
+	dialer := gomail.NewDialer(smtpHost, smtpPort, smtpUser, smtpPass)
+	err := dialer.DialAndSend(mail)
+	if err != nil {
+		log.Printf("❌ Error enviando correo a %s: %s", email.To, err)
+		return err
+	}
+
+	log.Printf("✅ Correo enviado con éxito a %s", email.To)
+	return nil
+}
+
+func (s *SMTPEmailService) PrepareEmail(asunto string, mensaje string, cfg ports.RedisConfigProvider) error {
+	// Validar la estructura antes de enviarla
+	branding := LoadBrandingAsignation(cfg, s.Config.AppName)
+
+	// Cargar destinatarios del entorno
+	destinos := s.LoadDestinosCorreo(cfg)
+
+	// Cargar datos para la plantilla
+	data := TaskTplData{
+		AppName:          branding.AppName,
+		Nombre:           "Administrador",
+		TareaNombre:      asunto,                                // Ejemplo
+		Descripcion:      mensaje,                               // Ejemplo
+		FechaError:       time.Now().Format("02/01/2006 15:04"), // Ejemplo
+		ErrorDescripcion: mensaje,
+		LinkTarea:        "",
+		LogoURL:          branding.LogoURL,
+		Direccion:        branding.Direccion,
+		Telefono:         branding.Telefono,
+		EmailContacto:    branding.EmailContacto,
+		Year:             branding.Year,
+		ColorHeaderBG:    branding.ColorHeaderBG,
+		ColorAccent:      branding.ColorAccent,
+		ColorFooterText:  branding.ColorFooterText,
+		ColorFooterMuted: branding.ColorFooterMuted,
+		ColorBodyBG:      branding.ColorBodyBG,
+	}
+
+	// Renderizar el correo
+	body, err := RenderTaskEmailHTML("", data)
+	if err != nil {
+		return fmt.Errorf("error al renderizar la plantilla de tarea: %v", err)
+	}
+
+	// Crear el correo
+	subject := BuildTaskSubject(branding.AppName)
+	reqMail := EmailRequest{
+		To:      *destinos, // Usamos la lista de destinos cargada
+		Subject: subject,
+		Body:    body,
+	}
+
+	// Enviar el correo
+	if err := s.SendEmail(reqMail); err != nil {
+		return fmt.Errorf("error al enviar el correo de notificación de tarea: %v", err)
+	}
+
+	return nil
+}
+
+// Cargar los correos electrónicos desde la configuración
+func (s *SMTPEmailService) LoadDestinosCorreo(cfg ports.RedisConfigProvider) *string {
+	destinos, err := cfg.GetString("SYNCRONIZADOR_EMAIL_DESTINOS") // Asumiendo que usas RedisConfigProvider
+	if err != nil {
+		log.Printf(" ERROR no se pudo cargar la lista de destinatarios: %v", err)
+		destinos = s.Config.EmailAdmin
+	}
+	return &destinos
+}

internal/email/task_asignation.go

@@ -0,0 +1,155 @@
+package email
+
+import (
+	"bytes"
+	"fmt"
+	"github.com/tuusuario/go-sync-service/internal/domain/ports"
+	"html/template"
+	"strings"
+	"time"
+)
+
+// TaskTplData contiene los datos que se inyectarán en la plantilla HTML de la notificación de tarea.
+// Se usan como {{.Campo}} dentro del template.
+type TaskTplData struct {
+	AppName          string
+	Nombre           string
+	TareaNombre      string
+	Descripcion      string
+	FechaVencimiento string
+	ErrorDescripcion string
+	FechaError       string
+	LinkTarea        string
+	LogoURL          string
+	Direccion        string
+	Telefono         string
+	EmailContacto    string
+	Year             int
+	ColorHeaderBG    string
+	ColorAccent      string
+	ColorFooterText  string
+	ColorFooterMuted string
+	ColorBodyBG      string
+}
+
+type Branding struct {
+	AppName          string
+	LogoURL          string
+	ColorHeaderBG    string
+	ColorAccent      string
+	ColorFooterText  string
+	ColorFooterMuted string
+	ColorBodyBG      string
+	Direccion        string
+	Telefono         string
+	EmailContacto    string
+	Year             int
+}
+
+// Código del parámetro en tu tabla `parametros` que guarda la PLANTILLA HTML para la tarea.
+// Ej: SELECT valor FROM parametros WHERE codigo = 'EMAIL_TEMPLATE_TASK';
+const ParamEmailTaskTemplate = "EMAIL_TEMPLATE_TASK"
+
+// BuildTaskSubject arma el asunto con el nombre de la app.
+func BuildTaskSubject(appName string) string {
+	appName = strings.TrimSpace(appName)
+	if appName == "" {
+		return "Tarea asignada"
+	}
+	return fmt.Sprintf("[%s] Tarea asignada", appName)
+}
+
+// RenderTaskEmailHTML recibe la plantilla HTML (tplStr) y los datos (data) para la notificación de tarea.
+// Si tplStr viene vacío, usa DefaultTaskTemplate como fallback.
+func RenderTaskEmailHTML(tplStr string, data TaskTplData) (string, error) {
+	if strings.TrimSpace(tplStr) == "" {
+		tplStr = DefaultErrorSyncTemplate
+	}
+	tpl, err := template.New("email_task").Parse(tplStr)
+	if err != nil {
+		return "", fmt.Errorf("parse template: %w", err)
+	}
+	var buf bytes.Buffer
+	if err := tpl.Execute(&buf, data); err != nil {
+		return "", fmt.Errorf("execute template: %w", err)
+	}
+	return buf.String(), nil
+}
+
+func LoadBrandingAsignation(cfg ports.RedisConfigProvider, appName string) Branding {
+	get := func(key, def string) string {
+		if cfg == nil {
+			return def
+		}
+		v, _ := cfg.GetString("parametros:" + key)
+		v = strings.TrimSpace(v)
+		if v == "" {
+			return def
+		}
+		return v
+	}
+	if strings.TrimSpace(appName) == "" {
+		appName = get("EMAIL_APP_NAME", appName)
+	}
+	return Branding{
+		AppName:          appName,
+		LogoURL:          get("EMAIL_LOGO_URL", ""),
+		ColorHeaderBG:    get("EMAIL_COLOR_HEADER_BG", "#0e1a2b"),
+		ColorAccent:      get("EMAIL_COLOR_ACCENT", "#CBA135"),
+		ColorFooterText:  get("EMAIL_COLOR_FOOTER_TEXT", "#ffffff"),
+		ColorFooterMuted: get("EMAIL_COLOR_FOOTER_MUTED", "#bfc6d1"),
+		ColorBodyBG:      get("EMAIL_COLOR_BODY_BG", "#f4f6f8"),
+		Direccion:        get("EMAIL_FOOTER_ADDRESS", ""),
+		Telefono:         get("EMAIL_FOOTER_PHONE", ""),
+		EmailContacto:    get("EMAIL_FOOTER_EMAIL", ""),
+		Year:             time.Now().Year(),
+	}
+}
+
+// --- Plantilla por defecto para la notificación de tarea (Go template con {{.Campo}}) ---
+const DefaultErrorSyncTemplate = `<!doctype html>
+<html lang="es">
+<head>
+    <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
+    <title>{{.AppName}} – Error de Sincronización</title>
+    <style>@media (max-width:620px){.container{width:100% !important}.p-24{padding:20px !important}.h1{font-size:22px !important;line-height:28px !important}}</style>
+</head>
+<body style="margin:0;padding:0;background:#f4f6f8;color:#1c1c1c;">
+<table role="presentation" cellpadding="0" cellspacing="0" border="0" width="100%" style="background:#f4f6f8;">
+<tr><td align="center" style="padding:24px;">
+  <table role="presentation" cellpadding="0" cellspacing="0" border="0" width="600" class="container" style="width:600px;max-width:600px;background:#ffffff;border-radius:12px;overflow:hidden;box-shadow:0 4px 18px rgba(0,0,0,.06);">
+   <tr><td style="background:{{if .ColorHeaderBG}}{{.ColorHeaderBG}}{{else}}#0e1a2b{{end}};padding:20px 24px;" align="left">
+      {{if .LogoURL}}<img src="{{.LogoURL}}" width="140" alt="{{.AppName}}" style="display:block;border:0;max-width:100%">{{else}}<div style="font-family:Arial,Helvetica,sans-serif;font-size:16px;font-weight:bold;color:#fff;">{{.AppName}}</div>{{end}}
+    </td></tr>
+    <tr><td class="p-24" style="padding:28px 32px 8px 32px;">
+      <h1 class="h1" style="margin:0 0 8px 0;font-family:Arial,Helvetica,sans-serif;font-size:24px;line-height:32px;color:#0e1a2b;">
+        Error de sincronización en {{.AppName}}
+      </h1>
+      <p style="margin:0;font-family:Arial,Helvetica,sans-serif;font-size:14px;line-height:22px;color:#4a4a4a;">
+        Hola <strong>{{.Nombre}}</strong>, hemos detectado un problema al intentar sincronizar los datos. Aquí están los detalles:
+      </p>
+    </td></tr>
+    <tr><td class="p-24" style="padding:8px 32px 0 32px;">
+      <table role="presentation" cellpadding="0" cellspacing="0" border="0" width="100%" style="background:#f9fafb;border:1px solid #e6e8eb;border-radius:8px;">
+        <tr><td style="padding:16px 20px;">
+          <table role="presentation" cellpadding="0" cellspacing="0" border="0" width="100%">
+            <tr><td style="font-family:Arial,Helvetica,sans-serif;font-size:13px;color:#6b7280;padding:4px 0;width:160px;">Descripción del Error</td>
+                <td style="font-family:Arial,Helvetica,sans-serif;font-size:14px;color:#111827;padding:4px 0;"><strong>{{.ErrorDescripcion}}</strong></td></tr>
+            <tr><td style="font-family:Arial,Helvetica,sans-serif;font-size:13px;color:#6b7280;padding:4px 0;width:160px;">Hora del Error</td>
+                <td style="font-family:Arial,Helvetica,sans-serif;font-size:14px;color:#111827;padding:4px 0;"><strong>{{.FechaError}}</strong></td></tr>
+  
+          </table>
+        </td></tr>
+      </table>
+    </td></tr>
+<br/><br/><br/><br/>
+    <tr><td style="background:{{if .ColorHeaderBG}}{{.ColorHeaderBG}}{{else}}#0e1a2b{{end}};padding:18px 24px;" align="left">
+      <p style="margin:0 0 6px 0;font-family:Arial,Helvetica,sans-serif;font-size:12px;line-height:18px;color:#ffffff;">{{.AppName}}</p>
+      <p style="margin:0;font-family:Arial,Helvetica,sans-serif;font-size:11px;line-height:18px;color:#bfc6d1;">
+        {{.Direccion}}{{if .Telefono}} · Tel. {{.Telefono}}{{end}}{{if .EmailContacto}} · {{.EmailContacto}}{{end}} · © {{.Year}} {{.AppName}}
+      </p>
+    </td></tr>
+  </table>
+</td></tr>
+</table>
+</body></html>`

internal/scheduler/listener.go

@@ -2,6 +2,7 @@ package scheduler
 
 import (
 	"context"
+	"github.com/tuusuario/go-sync-service/internal/email"
 
 	"github.com/redis/go-redis/v9"
 	"github.com/tuusuario/go-sync-service/internal/config"
@@ -9,7 +10,7 @@ import (
 	"gorm.io/gorm"
 )
 
-func listenCronReload(ctx context.Context, redisClient *redis.Client, cfg ports.RedisConfigProvider, dbConn *gorm.DB) {
+func listenCronReload(ctx context.Context, redisClient *redis.Client, cfg ports.RedisConfigProvider, dbConn *gorm.DB, email email.SMTPEmailService) {
 	pubsub := redisClient.Subscribe(ctx, config.GlobalConfig.RedisSubscribe)
 	ch := pubsub.Channel()
 
@@ -18,8 +19,10 @@ func listenCronReload(ctx context.Context, redisClient *redis.Client, cfg ports.
 	for msg := range ch {
 		if msg.Payload == "reload" {
 			config.Log.Info("🔄 Recargando configuración de cron...")
-			if err := loadAndStartJobs(ctx, cfg, dbConn); err != nil {
+			if err := loadAndStartJobs(ctx, cfg, dbConn, email); err != nil {
 				config.Log.Errorf("❌ Error al recargar cron jobs: %v", err)
+				_ = email.PrepareEmail("ERROR AL OBTENER CRONS EN EL REOLAD", err.Error(), cfg)
+
 			}
 		}
 	}

internal/scheduler/manager.go

@@ -2,6 +2,7 @@ package scheduler
 
 import (
 	"context"
+	email "github.com/tuusuario/go-sync-service/internal/email"
 
 	"github.com/redis/go-redis/v9"
 	"github.com/robfig/cron/v3"
@@ -17,16 +18,17 @@ import (
 
 var currentCron *cron.Cron
 
-func Start(ctx context.Context, redisClient *redis.Client, cfg ports.RedisConfigProvider, database *gorm.DB) {
+func Start(ctx context.Context, redisClient *redis.Client, cfg ports.RedisConfigProvider, database *gorm.DB, email email.SMTPEmailService) {
 	config.Log.Info("🚀 Iniciando Scheduler...")
 
-	if err := loadAndStartJobs(ctx, cfg, database); err != nil {
+	if err := loadAndStartJobs(ctx, cfg, database, email); err != nil {
 		config.Log.Errorf("❌ Error inicializando jobs: %v", err)
+		_ = email.PrepareEmail("ERROR AL OBTENER CRONS", err.Error(), cfg)
 	}
-	go listenCronReload(ctx, redisClient, cfg, database)
+	go listenCronReload(ctx, redisClient, cfg, database, email)
 }
 
-func loadAndStartJobs(ctx context.Context, cfg ports.RedisConfigProvider, dbConn *gorm.DB) error {
+func loadAndStartJobs(ctx context.Context, cfg ports.RedisConfigProvider, dbConn *gorm.DB, email email.SMTPEmailService) error {
 	lista, err := utils.CargarDesdeRedis[dto.CronConfigList](cfg, config.CronConfig)
 	if err != nil {
 		return err
@@ -48,10 +50,11 @@ func loadAndStartJobs(ctx context.Context, cfg ports.RedisConfigProvider, dbConn
 		_, err := newCron.AddFunc(job.Configuracion.Ejecucion, func() {
 			config.Log.Infof("🚀 Ejecutando job: %s", job.Nombre)
 			//cargar Job
-			fetcher.SyncData(cfg, dbConn, job)
+			fetcher.SyncData(cfg, dbConn, job, email)
 		})
 		if err != nil {
 			config.Log.Errorf("❌ Error registrando job %s: %v", job.Nombre, err)
+			_ = email.PrepareEmail("ERROR AL REGISTRAR EL JOB: "+job.Nombre, err.Error(), cfg)
 		}
 	}
 

internal/sync/fetcher.go

@@ -3,7 +3,9 @@ package fetcher
 import (
 	"encoding/json"
 	"fmt"
+	"github.com/tuusuario/go-sync-service/internal/email"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/tuusuario/go-sync-service/internal/config"
@@ -16,13 +18,14 @@ import (
 	"gorm.io/gorm"
 )
 
-func SyncData(redis ports.RedisConfigProvider, database *gorm.DB, job dto.CronJob) {
+func SyncData(redis ports.RedisConfigProvider, database *gorm.DB, job dto.CronJob, email email.SMTPEmailService) {
 	start := time.Now()
 	logPrefix := fmt.Sprintf("[🧩 Job: %s] ", job.Nombre)
 	config.Log.Printf("%s Iniciando sincronización...", logPrefix)
 
 	var dbcore ports.Database = db.NewGormDatabase(database)
 	var hasError bool
+	var errorMessages []string // Collects all error messages
 
 	http.InitClient()
 
@@ -37,6 +40,7 @@ func SyncData(redis ports.RedisConfigProvider, database *gorm.DB, job dto.CronJo
 		jobIndividual, err := utils.CargarDesdeRedis[dto.JobConfig](redis, proceso)
 		if err != nil {
 			config.Log.Printf(logPrefix+" ❌ Error al obtener configuración del proceso: %v", err)
+			errorMessages = append(errorMessages, fmt.Sprintf("Error en proceso %s: %v", proceso, err))
 			hasError = true
 			continue
 		}
@@ -44,11 +48,13 @@ func SyncData(redis ports.RedisConfigProvider, database *gorm.DB, job dto.CronJo
 		session, err := http.GetSession(redis, job, jobIndividual.Auth, dbcore, logPrefix)
 		if err != nil {
 			config.Log.Println(logPrefix + " ❌ No se pudo obtener sesión")
+			errorMessages = append(errorMessages, fmt.Sprintf("❌ No se pudo obtener sesión para proceso %s: %v", proceso, err))
 			hasError = true
 			continue
 		}
 		if session == nil || session.Headers == nil {
 			config.Log.Println(logPrefix + " ❌ Sesión inválida o vacía")
+			errorMessages = append(errorMessages, fmt.Sprintf("❌ Sesión inválida o vacía para proceso %s", proceso))
 			hasError = true
 			continue
 		}
@@ -63,6 +69,7 @@ func SyncData(redis ports.RedisConfigProvider, database *gorm.DB, job dto.CronJo
 		response, err := FetchAllPaginatedManual[map[string]interface{}](session.EndPoint, jobIndividual.Service, logPrefix)
 		if err != nil {
 			config.Log.Printf(logPrefix+" ❌ Error al obtener data: %v", err)
+			errorMessages = append(errorMessages, fmt.Sprintf("❌ Error al obtener data para proceso %s: %v", proceso, err))
 			hasError = true
 			continue
 		}
@@ -72,6 +79,7 @@ func SyncData(redis ports.RedisConfigProvider, database *gorm.DB, job dto.CronJo
 		err = dbcore.SyncRows(jobIndividual.Persistencia, response, job.UnidadNegocio.CompanyDB)
 		if err != nil {
 			config.Log.Printf(logPrefix+" ❌ Error al guardar en base de datos: %v", err)
+			errorMessages = append(errorMessages, fmt.Sprintf("❌ Error al guardar en base de datos para proceso %s: %v", proceso, err))
 			hasError = true
 		}
 	}
@@ -83,6 +91,9 @@ END:
 	metrics.CronDuration.WithLabelValues(jobName).Observe(duration)
 
 	if hasError {
+		errMessage := strings.Join(errorMessages, "\n") // Combine all errors into one message
+		_ = email.PrepareEmail("ERROR AL EJECUTAR EL JOB: "+job.Nombre, errMessage, redis)
+
 		metrics.CronError.WithLabelValues(jobName).Inc()
 		metrics.CronLastError.WithLabelValues(jobName).Set(float64(time.Now().Unix()))
 	} else {