add sse handle with std lib

.env.example

@@ -1,32 +1,17 @@
-ENV_DIRECTORY=
-ENV_MODE=
+ENV_MODE=testing / development / production
 
-LOG_LEVEL=
+LOG_LEVEL=debug / info / warn / error
 
-APP_NAME=
-APP_VERSION=
+TIMEZONE=Europe/Madrid
 
-TIMEZONE=
-
-PASETO_ASYMMETRIC_KEY=
-PASETO_DURATION=
+PASETO_ASYMMETRIC_KEY=some_key
+PASETO_DURATION=168h
 
 SMTP_HOST=
 SMTP_PORT=
 SMTP_USER=
 SMTP_PASS=
 
-DATABASE_DRIVER_NAME=
-DATABASE_DATA_SOURCE=
-DATABASE_MIGRATE=
-
-# if you want override the datasource key, you can use this format _OVERRIDE_KEY
-# AUTH_DATA_SOURCE=something_data_source
-# example i: OVERRIDE_AUTH_DATA_SOURCE will get the value something_data_source
-# example ii:
-# app := app.New(app.Config{
-# 	Name:               appName,
-# 	Version:            version,
-# 	EnvDirectory:       envDirectory,
-# 	DatabaseDataSource: "OVERRIDE_AUTH_DATA_SOURCE",
-# })
+DATABASE_ONE_DRIVER_NAME=pgx / mysql / pg
+DATABASE_ONE_DATA_SOURCE=datasource
+DATABASE_ONE_MIGRATE=boolean

app.go

@@ -0,0 +1,406 @@
+package goblocks
+
+import (
+	"bufio"
+	"database/sql"
+	"embed"
+	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"os"
+	"strings"
+	"time"
+
+	"aidanwoods.dev/go-paseto"
+
+	"github.com/alexedwards/scs/v2"
+	"github.com/golang-migrate/migrate/v4"
+	_ "github.com/golang-migrate/migrate/v4/database/postgres"
+	"github.com/golang-migrate/migrate/v4/source/iofs"
+	_ "github.com/jackc/pgx/v5/stdlib"
+)
+
+var (
+	logFile  *os.File
+	logLevel string
+)
+
+type Environment string
+
+const (
+	EnvironmentTesting     Environment = "testing"
+	EnvironmentDevelopment Environment = "development"
+	EnvironmentProduction  Environment = "production"
+)
+
+type LogLevel slog.Level
+
+type DatabaseConfig struct {
+	DriverName string
+	DataSource string
+	Migrate    bool
+}
+
+type Config struct {
+	// default "no-name-defined"
+	Name string
+
+	// default "v0.0.0"
+	Version string
+
+	// default "development"
+	EnvMode Environment
+
+	// default "debug"
+	LogLevel slog.Level
+
+	// default "UTC"
+	Timezone string
+
+	// default nil
+	Paseto *Paseto
+
+	// default map[string]DatabaseConfig{}
+	Databases map[string]DatabaseConfig
+
+	// default false
+	CreateRouter bool
+
+	// default false
+	CreateSSEBroker bool
+
+	// default false
+	CreateTemplates bool
+
+	// default false
+	CreateSession bool
+
+	// default false
+	CreateMailer bool
+}
+
+type App struct {
+	config    Config
+	Router    *Router
+	SSEBroker *SSEBroker
+	Templates *Render
+	Session   *scs.SessionManager
+	Mailer    Mailer
+}
+
+type Paseto struct {
+	SecretKey paseto.V4AsymmetricSecretKey
+	PublicKey paseto.V4AsymmetricPublicKey
+	Duration  time.Duration
+}
+
+func NewApp(config ...Config) *App {
+	cfg := Config{
+		Name:            "",
+		Version:         "",
+		EnvMode:         EnvironmentDevelopment,
+		LogLevel:        slog.LevelDebug,
+		Timezone:        "UTC",
+		Paseto:          nil,
+		Databases:       make(map[string]DatabaseConfig),
+		CreateRouter:    false,
+		CreateSSEBroker: false,
+		CreateSession:   false,
+		CreateMailer:    false,
+		CreateTemplates: false,
+	}
+
+	slog.Debug("NewApp", "config", cfg)
+
+	if len(config) > 0 {
+		cfg = config[0]
+		if cfg.LogLevel == slog.LevelDebug {
+			cfg.LogLevel = slog.LevelDebug
+		}
+		if cfg.Timezone == "" {
+			cfg.Timezone = "UTC"
+		}
+	}
+
+	if cfg.Name == "" {
+		cfg.Name = "no-name-defined"
+	}
+
+	if cfg.Version == "" {
+		cfg.Version = "v0.0.0"
+	}
+
+	if cfg.EnvMode == "" && os.Getenv("ENV_MODE") != "" {
+		cfg.EnvMode = Environment(os.Getenv("ENV_MODE"))
+	}
+
+	if os.Getenv("LOG_LEVEL") != "" {
+		logLevel = os.Getenv("LOG_LEVEL")
+		switch logLevel {
+		case "debug":
+			cfg.LogLevel = slog.LevelDebug
+		case "info":
+			cfg.LogLevel = slog.LevelInfo
+		case "warn":
+			cfg.LogLevel = slog.LevelWarn
+		case "error":
+			cfg.LogLevel = slog.LevelError
+		default:
+			cfg.LogLevel = slog.LevelInfo
+		}
+	}
+
+	if cfg.Timezone == "" && os.Getenv("TIMEZONE") != "" {
+		cfg.Timezone = os.Getenv("TIMEZONE")
+	}
+
+	loc, err := time.LoadLocation(cfg.Timezone)
+	if err != nil {
+		slog.Error("error loading timezone", "error", err, "timezone", cfg.Timezone)
+		loc = time.UTC
+	}
+	time.Local = loc
+
+	startRotativeLogger(cfg.LogLevel)
+
+	if cfg.Paseto == nil {
+		var ak paseto.V4AsymmetricSecretKey
+		var err error
+
+		if os.Getenv("PASETO_SECRET_KEY") != "" {
+			slog.Debug("using paseto secret key from env")
+			ak, err = paseto.NewV4AsymmetricSecretKeyFromHex(os.Getenv("PASETO_SECRET_KEY"))
+			if err != nil {
+				slog.Error("error creating secret key", "error", err)
+				ak = paseto.NewV4AsymmetricSecretKey()
+			}
+		} else {
+			ak = paseto.NewV4AsymmetricSecretKey()
+		}
+
+		pk := ak.Public()
+
+		duration := time.Hour * 24 * 7 // 7 days by default
+		if os.Getenv("PASETO_DURATION") != "" {
+			durationStr := os.Getenv("PASETO_DURATION")
+			durationInt, err := time.ParseDuration(durationStr)
+			if err != nil {
+				slog.Error("error parsing PASETO_DURATION", "error", err, "duration", durationStr)
+			} else {
+				duration = durationInt
+			}
+		}
+
+		cfg.Paseto = &Paseto{
+			SecretKey: ak,
+			PublicKey: pk,
+			Duration:  duration,
+		}
+	}
+
+	app := &App{config: cfg}
+
+	if cfg.CreateRouter {
+		app.Router = newRouter()
+	}
+
+	// Create PGX pools automatically if there are entries in Databases with driver 'pgx'
+	for dbName, dbConfig := range cfg.Databases {
+		if dbConfig.DriverName == "pgx" {
+			slog.Debug("creating pgx pool", "database", dbName)
+			app.newPGXPool(dbName)
+		}
+	}
+
+	slog.Info(
+		"app config",
+		"name", cfg.Name,
+		"version", cfg.Version,
+		"env_mode", cfg.EnvMode,
+		"log_level", cfg.LogLevel,
+		"timezone", cfg.Timezone,
+		"paseto_public_key", cfg.Paseto.PublicKey.ExportHex(),
+		"paseto_duration", cfg.Paseto.Duration.String(),
+		"databases", cfg.Databases,
+		"create_sse_broker", cfg.CreateSSEBroker,
+		"create_templates", cfg.CreateTemplates,
+		"create_session", cfg.CreateSession,
+		"create_mailer", cfg.CreateMailer,
+	)
+
+	if cfg.EnvMode != EnvironmentProduction {
+		slog.Debug("paseto_secret_key", "key", cfg.Paseto.SecretKey.ExportHex())
+	}
+
+	if cfg.CreateSSEBroker {
+		slog.Debug("creating sse broker")
+		app.SSEBroker = newSSEBroker()
+	}
+
+	if cfg.CreateTemplates {
+		slog.Debug("creating templates")
+		app.Templates = NewHTMLRender()
+
+		if cfg.EnvMode == EnvironmentProduction {
+			app.Templates.EnableCache = true
+		}
+	}
+
+	if cfg.CreateSession {
+		slog.Debug("creating session")
+		app.Session = scs.New()
+	}
+
+	if cfg.CreateMailer {
+		slog.Debug("creating mailer")
+		app.Mailer = newMailer()
+	}
+
+	return app
+}
+
+func (a *App) Name() string {
+	return a.config.Name
+}
+
+func (a *App) Version() string {
+	return a.config.Version
+}
+
+func (a *App) EnvMode() Environment {
+	return a.config.EnvMode
+}
+
+func (a *App) LogLevel() slog.Level {
+	return a.config.LogLevel
+}
+
+func (a *App) Timezone() string {
+	return a.config.Timezone
+}
+
+func (a *App) Paseto() *Paseto {
+	return a.config.Paseto
+}
+
+func (a *App) Datasource(name string) string {
+	config, exists := a.config.Databases[name]
+	if !exists {
+		slog.Error("database configuration not found", "name", name)
+		return ""
+	}
+	return config.DataSource
+}
+
+// MigrateDB migrates the database. The migrations must stored in the
+// "database/migrations" directory inside cmd directory along with the main.go.
+//
+// cmd/main.go
+//
+// cmd/database/migrations/*.sql
+func (a *App) Migrate(dbName string, database embed.FS) {
+	dbConfig, exists := a.config.Databases[dbName]
+	if !exists {
+		slog.Error("database configuration not found", "name", dbName)
+		return
+	}
+
+	if !dbConfig.Migrate {
+		slog.Info("migration disabled", "database", dbName)
+		return
+	}
+
+	dbConn, err := sql.Open(dbConfig.DriverName, dbConfig.DataSource)
+	if err != nil {
+		slog.Error("error opening database connection", "error", err, "database", dbName)
+		return
+	}
+	defer dbConn.Close()
+
+	d, err := iofs.New(database, "database/migrations")
+	if err != nil {
+		slog.Error("error creating migration source", "error", err, "database", dbName)
+		return
+	}
+
+	m, err := migrate.NewWithSourceInstance("iofs", d, dbConfig.DataSource)
+	if err != nil {
+		slog.Error("error creating migration instance", "error", err, "database", dbName)
+		return
+	}
+
+	err = m.Up()
+	if err != nil && !errors.Is(err, migrate.ErrNoChange) {
+		slog.Error("cannot migrate", "error", err, "database", dbName)
+		panic(err)
+	}
+	if errors.Is(err, migrate.ErrNoChange) {
+		slog.Info("migration has no changes", "database", dbName)
+		return
+	}
+
+	slog.Info("migration done", "database", dbName)
+}
+
+func LoadEnvFile(envDirectory string) error {
+	file, err := os.Open(envDirectory)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if len(line) == 0 || strings.HasPrefix(line, "#") {
+			continue
+		}
+		parts := strings.SplitN(line, "=", 2)
+		if len(parts) != 2 {
+			continue
+		}
+		key := strings.TrimSpace(parts[0])
+		value := strings.TrimSpace(parts[1])
+		os.Setenv(key, value)
+	}
+	return scanner.Err()
+}
+
+func newLogger(level slog.Level) {
+	if err := os.MkdirAll("logs", 0755); err != nil {
+		fmt.Println("error creating logs directory:", err)
+		return
+	}
+
+	now := time.Now().Format("2006-01-02")
+	f, err := os.OpenFile(fmt.Sprintf("logs/log%s.log", now), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
+	if err != nil {
+		fmt.Println("error opening log file:", err)
+		return
+	}
+
+	mw := io.MultiWriter(os.Stdout, f)
+	logger := slog.New(slog.NewTextHandler(mw, &slog.HandlerOptions{
+		AddSource: os.Getenv("ENV_MODE") == "" || os.Getenv("ENV_MODE") == "development",
+		Level:     level,
+	}))
+
+	if logFile != nil {
+		logFile.Close() // Cierra el archivo anterior antes de rotar
+	}
+
+	logFile = f
+	slog.SetDefault(logger)
+}
+
+func startRotativeLogger(level slog.Level) {
+	newLogger(level)
+
+	ticker := time.NewTicker(time.Hour * 24)
+	go func() {
+		for range ticker.C {
+			newLogger(level)
+		}
+	}()
+}

app/app.go

@@ -1,471 +0,0 @@
-package app
-
-import (
-	"bufio"
-	"database/sql"
-	"embed"
-	"errors"
-	"fmt"
-	"io"
-	"log/slog"
-	"os"
-	"strings"
-	"time"
-
-	"aidanwoods.dev/go-paseto"
-
-	"github.com/golang-migrate/migrate/v4"
-	_ "github.com/golang-migrate/migrate/v4/database/postgres"
-	"github.com/golang-migrate/migrate/v4/source/iofs"
-	_ "github.com/jackc/pgx/v5/stdlib"
-)
-
-// TODO: review consts
-const (
-	// Handlers keys
-	InvalidRequest    = "invalid_request"
-	MalformedJSON     = "malformed_json"
-	TokenBlacklisted  = "token_blacklisted"
-	TokenInvalid      = "token_invalid"
-	ValidationFailed  = "validation_failed"
-	UntilBeforeTo     = "until_before_to"
-	InternalError     = "internal_error"
-	NotFound          = "not_found"
-	Created           = "created"
-	Updated           = "updated"
-	Deleted           = "deleted"
-	Enabled           = "enabled"
-	Disabled          = "disabled"
-	Retrieved         = "retrieved"
-	ErrorCreating     = "error_creating"
-	ErrorUpdating     = "error_updating"
-	ErrorEnabling     = "error_enabling"
-	ErrorDisabling    = "error_disabling"
-	ErrorGetting      = "error_getting"
-	ErrorGettingAll   = "error_getting_all"
-	ErrorMailing      = "error_mailing"
-	InvalidEntityID   = "invalid_entity_id"
-	NotImplemented    = "not_implemented"
-	NotPassValidation = "not_pass_validation"
-	NotEnoughBalance  = "not_enough_balance"
-	InvalidIdentifier = "invalid_identifier"
-
-	// User keys (DB)
-	UserUsernameKey       = "username_key"
-	UserEmailKey          = "email_key"
-	UsernameAlreadyExists = "username_already_exists"
-	UserSessionKey        = "user_session_key"
-	EmailAlreadyExists    = "email_already_exists"
-	PhoneNumberKey        = "phone_number_key"
-	PhoneAlreadyExists    = "phone_already_exists"
-	NoRowsAffected        = "no rows in result set"
-
-	// Auth
-	TokenPayload         = "token_payload"
-	LoggedIn             = "logged_in"
-	IncorrectPassword    = "incorrect_password"
-	ErrorGeneratingToken = "error_generating_token"
-)
-
-var (
-	logFile  *os.File
-	logLevel string
-)
-
-type Environment string
-
-const (
-	EnvironmentTesting     Environment = "testing"
-	EnvironmentDevelopment Environment = "development"
-	EnvironmentProduction  Environment = "production"
-)
-
-type LogLevel slog.Level
-
-type Config struct {
-	// default ""
-	Name string
-
-	// default ""
-	Version string
-
-	// default ".env"
-	EnvDirectory string
-
-	// default "development"
-	EnvMode Environment
-
-	// default "debug"
-	LogLevel slog.Level
-
-	// default "UTC"
-	Timezone string
-
-	// default nil
-	Paseto *Paseto
-
-	// default ""
-	SMTPHost string
-
-	// default ""
-	SMTPPort string
-
-	// default ""
-	SMTPUser string
-
-	// default ""
-	SMTPPass string
-
-	// default ""
-	DatabaseDriverName string
-
-	// default ""
-	DatabaseDataSource string
-
-	// default false
-	DatabaseMigrate bool
-}
-
-type App struct {
-	config Config
-}
-
-type Paseto struct {
-	AsymmetricKey paseto.V4AsymmetricSecretKey
-	PublicKey     paseto.V4AsymmetricPublicKey
-	Duration      time.Duration
-}
-
-func New(config ...Config) *App {
-	cfg := Config{
-		Name:               "",
-		Version:            "",
-		EnvDirectory:       ".env",
-		EnvMode:            EnvironmentDevelopment,
-		LogLevel:           slog.LevelDebug,
-		Timezone:           "UTC",
-		Paseto:             nil,
-		SMTPHost:           "",
-		SMTPPort:           "",
-		SMTPUser:           "",
-		SMTPPass:           "",
-		DatabaseDriverName: "pgx",
-		DatabaseDataSource: "",
-		DatabaseMigrate:    false,
-	}
-
-	if len(config) > 0 {
-		cfg = config[0]
-
-		if cfg.EnvDirectory == "" {
-			cfg.EnvDirectory = ".env"
-		}
-		if cfg.EnvMode == EnvironmentTesting {
-			cfg.EnvDirectory = "./../../.env"
-		}
-		if cfg.LogLevel == slog.LevelDebug {
-			cfg.LogLevel = slog.LevelDebug
-		}
-		if cfg.Timezone == "" {
-			cfg.Timezone = "UTC"
-		}
-		if cfg.DatabaseDriverName == "" {
-			cfg.DatabaseDriverName = "pgx"
-		}
-	}
-
-	envDir := os.Getenv("ENV_DIRECTORY")
-	if envDir == "" {
-		envDir = cfg.EnvDirectory
-	}
-
-	err := loadEnvFile(envDir)
-	if err != nil {
-		slog.Error("error loading env file", "error", err, "directory", envDir)
-	}
-
-	if cfg.Name == "" && os.Getenv("APP_NAME") != "" {
-		cfg.Name = os.Getenv("APP_NAME")
-	}
-
-	if cfg.Version == "" && os.Getenv("APP_VERSION") != "" {
-		cfg.Version = os.Getenv("APP_VERSION")
-	}
-
-	if cfg.EnvMode == "" && os.Getenv("ENV_MODE") != "" {
-		cfg.EnvMode = Environment(os.Getenv("ENV_MODE"))
-	}
-
-	if os.Getenv("LOG_LEVEL") != "" {
-		logLevel = os.Getenv("LOG_LEVEL")
-		switch logLevel {
-		case "debug":
-			cfg.LogLevel = slog.LevelDebug
-		case "info":
-			cfg.LogLevel = slog.LevelInfo
-		case "warn":
-			cfg.LogLevel = slog.LevelWarn
-		case "error":
-			cfg.LogLevel = slog.LevelError
-		default:
-			cfg.LogLevel = slog.LevelInfo
-		}
-	}
-
-	if cfg.Timezone == "" && os.Getenv("TIMEZONE") != "" {
-		cfg.Timezone = os.Getenv("TIMEZONE")
-	}
-
-	loc, err := time.LoadLocation(cfg.Timezone)
-	if err != nil {
-		slog.Error("error loading timezone", "error", err, "timezone", cfg.Timezone)
-		loc = time.UTC
-	}
-	time.Local = loc
-
-	startRotativeLogger(cfg.LogLevel)
-
-	if cfg.Paseto == nil {
-		var ak paseto.V4AsymmetricSecretKey
-		var err error
-
-		if os.Getenv("PASETO_ASYMMETRIC_KEY") != "" {
-			slog.Info("using paseto asymmetric key from env")
-			ak, err = paseto.NewV4AsymmetricSecretKeyFromHex(os.Getenv("PASETO_ASYMMETRIC_KEY"))
-			if err != nil {
-				slog.Error("error creating asymmetric key", "error", err)
-				ak = paseto.NewV4AsymmetricSecretKey()
-			}
-		} else {
-			ak = paseto.NewV4AsymmetricSecretKey()
-		}
-
-		pk := ak.Public()
-
-		duration := time.Hour * 24 * 7 // 7 days by default
-		if os.Getenv("PASETO_DURATION") != "" {
-			durationStr := os.Getenv("PASETO_DURATION")
-			durationInt, err := time.ParseDuration(durationStr)
-			if err != nil {
-				slog.Error("error parsing PASETO_DURATION", "error", err, "duration", durationStr)
-			} else {
-				duration = durationInt
-			}
-		}
-
-		cfg.Paseto = &Paseto{
-			AsymmetricKey: ak,
-			PublicKey:     pk,
-			Duration:      duration,
-		}
-	}
-
-	if cfg.SMTPHost == "" && os.Getenv("SMTP_HOST") != "" {
-		cfg.SMTPHost = os.Getenv("SMTP_HOST")
-	}
-
-	if cfg.SMTPPort == "" && os.Getenv("SMTP_PORT") != "" {
-		cfg.SMTPPort = os.Getenv("SMTP_PORT")
-	}
-
-	if cfg.SMTPUser == "" && os.Getenv("SMTP_USER") != "" {
-		cfg.SMTPUser = os.Getenv("SMTP_USER")
-	}
-
-	if cfg.SMTPPass == "" && os.Getenv("SMTP_PASS") != "" {
-		cfg.SMTPPass = os.Getenv("SMTP_PASS")
-	}
-
-	if cfg.DatabaseDriverName == "" && os.Getenv("DATABASE_DRIVER_NAME") != "" {
-		cfg.DatabaseDriverName = os.Getenv("DATABASE_DRIVER_NAME")
-	}
-
-	if strings.HasPrefix(cfg.DatabaseDataSource, "OVERRIDE_") {
-		envKey := strings.TrimPrefix(cfg.DatabaseDataSource, "OVERRIDE_")
-		if envValue := os.Getenv(envKey); envValue != "" {
-			slog.Info("using override database data source", "key", envKey)
-			cfg.DatabaseDataSource = envValue
-		} else {
-			slog.Warn("override database data source key not found in environment", "key", envKey)
-			if os.Getenv("DATABASE_DATA_SOURCE") != "" {
-				cfg.DatabaseDataSource = os.Getenv("DATABASE_DATA_SOURCE")
-			}
-		}
-	} else if cfg.DatabaseDataSource == "" && os.Getenv("DATABASE_DATA_SOURCE") != "" {
-		cfg.DatabaseDataSource = os.Getenv("DATABASE_DATA_SOURCE")
-	}
-
-	if !cfg.DatabaseMigrate && os.Getenv("DATABASE_MIGRATE") == "true" {
-		cfg.DatabaseMigrate = true
-	}
-
-	app := &App{
-		config: cfg,
-	}
-
-	slog.Info(
-		"app config",
-		"name", cfg.Name,
-		"version", cfg.Version,
-		"env_directory", cfg.EnvDirectory,
-		"env_mode", cfg.EnvMode,
-		"log_level", cfg.LogLevel,
-		"timezone", cfg.Timezone,
-		"paseto_public_key", cfg.Paseto.PublicKey.ExportHex(),
-		"paseto_duration", cfg.Paseto.Duration.String(),
-		"smtp_host", cfg.SMTPHost,
-		"smtp_port", cfg.SMTPPort,
-		"smtp_user", cfg.SMTPUser,
-		"smtp_pass", cfg.SMTPPass,
-		"database_driver", cfg.DatabaseDriverName,
-		"database_source", cfg.DatabaseDataSource,
-		"database_migrate", cfg.DatabaseMigrate,
-	)
-
-	return app
-}
-
-func (a *App) Name() string {
-	return a.config.Name
-}
-
-func (a *App) Version() string {
-	return a.config.Version
-}
-
-func (a *App) EnvDirectory() string {
-	return a.config.EnvDirectory
-}
-
-func (a *App) EnvMode() Environment {
-	return a.config.EnvMode
-}
-
-func (a *App) LogLevel() slog.Level {
-	return a.config.LogLevel
-}
-
-func (a *App) Paseto() *Paseto {
-	return a.config.Paseto
-}
-
-func (a *App) SMTPConfig() (host, port, user, pass string) {
-	return a.config.SMTPHost, a.config.SMTPPort, a.config.SMTPUser, a.config.SMTPPass
-}
-
-func (a *App) DatabaseDataSource() string {
-	return a.config.DatabaseDataSource
-}
-
-func (a *App) Timezone() string {
-	return a.config.Timezone
-}
-
-// MigrateDB migrates the database. The migrations must stored in the
-// "database/migrations" directory inside cmd directory along with the main.go.
-//
-// cmd/main.go
-//
-// cmd/database/migrations/*.sql
-func (a *App) Migrate(database embed.FS) {
-	if !a.config.DatabaseMigrate {
-		slog.Info("migration disabled")
-		return
-	}
-	dbConn, err := sql.Open(a.config.DatabaseDriverName, a.config.DatabaseDataSource)
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-	defer dbConn.Close()
-
-	d, err := iofs.New(database, "database/migrations")
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	m, err := migrate.NewWithSourceInstance("iofs", d, a.config.DatabaseDataSource)
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	err = m.Up()
-	if err != nil && !errors.Is(err, migrate.ErrNoChange) {
-		slog.Error("cannot migrate", "error", err)
-		panic(err)
-	}
-	if errors.Is(err, migrate.ErrNoChange) {
-		slog.Info("migration has no changes")
-		return
-	}
-
-	slog.Info("migration done")
-}
-
-func (a *App) Something() {
-	slog.Info("something")
-}
-
-func loadEnvFile(envDirectory string) error {
-	file, err := os.Open(envDirectory)
-	if err != nil {
-		return err
-	}
-	defer file.Close()
-
-	scanner := bufio.NewScanner(file)
-	for scanner.Scan() {
-		line := scanner.Text()
-		if len(line) == 0 || strings.HasPrefix(line, "#") {
-			continue
-		}
-		parts := strings.SplitN(line, "=", 2)
-		if len(parts) != 2 {
-			continue
-		}
-		key := strings.TrimSpace(parts[0])
-		value := strings.TrimSpace(parts[1])
-		os.Setenv(key, value)
-	}
-	return scanner.Err()
-}
-
-func newLogger(level slog.Level) {
-	if err := os.MkdirAll("logs", 0755); err != nil {
-		fmt.Println("error creating logs directory:", err)
-		return
-	}
-
-	now := time.Now().Format("2006-01-02")
-	f, err := os.OpenFile(fmt.Sprintf("logs/log%s.log", now), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
-	if err != nil {
-		fmt.Println("error opening log file:", err)
-		return
-	}
-
-	mw := io.MultiWriter(os.Stdout, f)
-	logger := slog.New(slog.NewTextHandler(mw, &slog.HandlerOptions{
-		AddSource: true,
-		Level:     level,
-	}))
-
-	if logFile != nil {
-		logFile.Close() // Cierra el archivo anterior antes de rotar
-	}
-
-	logFile = f
-	slog.SetDefault(logger)
-}
-
-func startRotativeLogger(level slog.Level) {
-	newLogger(level)
-
-	ticker := time.NewTicker(time.Hour * 24)
-	go func() {
-		for range ticker.C {
-			newLogger(level)
-		}
-	}()
-}

boiler.go

@@ -1,4 +1,4 @@
-package utils
+package goblocks
 
 import (
 	"fmt"
@@ -18,10 +18,6 @@ func CorrectTimezone(timeStamp time.Time) time.Time {
 	return timeStamp.In(loc)
 }
 
-func GetBool(value string) bool {
-	return value == "true"
-}
-
 func LogAndReturnError(err error, message string) error {
 	slog.Error(message, "error", err.Error())
 	return fmt.Errorf("%s: %w", message, err)

broker.go

@@ -0,0 +1,253 @@
+package goblocks
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"html/template"
+	"log/slog"
+	"net/http"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/google/uuid"
+	"github.com/valyala/fasthttp"
+)
+
+type Message struct {
+	Event string `json:"event"`
+	Data  any    `json:"data"`
+}
+
+type Client struct {
+	ID    string
+	Send  chan Message
+	Close chan struct{}
+}
+
+type SSEBroker struct {
+	clients    map[string]*Client
+	mu         sync.RWMutex
+	register   chan *Client
+	unregister chan *Client
+	broadcast  chan Message
+	done       chan struct{}
+}
+
+func newSSEBroker() *SSEBroker {
+	b := &SSEBroker{
+		clients:    make(map[string]*Client),
+		register:   make(chan *Client),
+		unregister: make(chan *Client),
+		broadcast:  make(chan Message),
+		done:       make(chan struct{}),
+	}
+	go b.run()
+	return b
+}
+
+func (b *SSEBroker) run() {
+	for {
+		select {
+		case client := <-b.register:
+			b.mu.Lock()
+			b.clients[client.ID] = client
+			b.mu.Unlock()
+			slog.Info("client registered", "client_id", client.ID)
+			slog.Debug("clients", "clients", b.clients)
+
+		case client := <-b.unregister:
+			b.mu.Lock()
+			if _, ok := b.clients[client.ID]; ok {
+				delete(b.clients, client.ID)
+				close(client.Send)
+				close(client.Close)
+				slog.Info("client unregistered", "client_id", client.ID)
+			}
+			b.mu.Unlock()
+
+		case message := <-b.broadcast:
+			b.mu.RLock()
+			for _, client := range b.clients {
+				select {
+				case client.Send <- message:
+				default:
+					// Si el canal está lleno, se desconecta el cliente
+					close(client.Send)
+					close(client.Close)
+					b.mu.RUnlock()
+					b.mu.Lock()
+					delete(b.clients, client.ID)
+					b.mu.Unlock()
+					b.mu.RLock()
+					slog.Warn("client removed due to full channel", "client_id", client.ID)
+				}
+			}
+			b.mu.RUnlock()
+
+		case <-b.done:
+			return
+		}
+	}
+}
+
+func (b *SSEBroker) RegisterClient(clientID string) *Client {
+	client := &Client{
+		ID:    clientID,
+		Send:  make(chan Message, 10),
+		Close: make(chan struct{}),
+	}
+	b.register <- client
+	return client
+}
+
+func (b *SSEBroker) UnregisterClient(clientID string) {
+	b.mu.RLock()
+	if client, ok := b.clients[clientID]; ok {
+		b.mu.RUnlock()
+		b.unregister <- client
+	} else {
+		b.mu.RUnlock()
+	}
+}
+
+func (b *SSEBroker) Broadcast(event string, data ...any) {
+	var payload any
+	if len(data) > 0 {
+		payload = data[0]
+	}
+	b.broadcast <- Message{Event: event, Data: payload}
+}
+
+// Interface para abstraer las diferencias entre Fiber y HTTP estándar
+type SSEWriter interface {
+	Write(data []byte) (int, error)
+	Flush() error
+}
+
+// Wrapper para http.ResponseWriter
+type httpSSEWriter struct {
+	w http.ResponseWriter
+}
+
+func (h *httpSSEWriter) Write(data []byte) (int, error) {
+	return h.w.Write(data)
+}
+
+func (h *httpSSEWriter) Flush() error {
+	if flusher, ok := h.w.(http.Flusher); ok {
+		flusher.Flush()
+	}
+	return nil
+}
+
+// Wrapper para bufio.Writer
+type fiberSSEWriter struct {
+	w *bufio.Writer
+}
+
+func (f *fiberSSEWriter) Write(data []byte) (int, error) {
+	return f.w.Write(data)
+}
+
+func (f *fiberSSEWriter) Flush() error {
+	return f.w.Flush()
+}
+
+func (b *SSEBroker) handleSSEConnection(clientID string, client *Client, writer SSEWriter) {
+	slog.Info("SSE connection established", "client_id", clientID)
+
+	defer func() {
+		b.UnregisterClient(clientID)
+		slog.Info("SSE connection closed", "client_id", clientID)
+	}()
+
+	fmt.Fprintf(writer, "event: client_id\n")
+	fmt.Fprintf(writer, "data: %s\n\n", clientID)
+	writer.Flush()
+
+	ticker := time.NewTicker(time.Minute)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case message := <-client.Send:
+			var data string
+			switch v := message.Data.(type) {
+			case string:
+				data = v
+			case template.HTML:
+				data = string(v)
+			default:
+				jsonData, err := json.Marshal(v)
+				if err != nil {
+					slog.Error("error marshaling message", "error", err)
+					continue
+				}
+				data = string(jsonData)
+			}
+
+			fmt.Fprintf(writer, "event: %s\n", message.Event)
+			scanner := bufio.NewScanner(strings.NewReader(data))
+			for scanner.Scan() {
+				fmt.Fprintf(writer, "data: %s\n", scanner.Text())
+			}
+			fmt.Fprint(writer, "\n")
+
+			if err := writer.Flush(); err != nil {
+				slog.Warn("flush error, closing client", "client_id", clientID)
+				return
+			}
+
+		case <-ticker.C:
+			fmt.Fprintf(writer, "event: ping\n")
+			fmt.Fprintf(writer, "data: %s\n\n", "ping")
+			writer.Flush()
+
+		case <-client.Close:
+			return
+		}
+	}
+}
+
+func (b *SSEBroker) HandleFiberCtxSSE(c *fiber.Ctx) error {
+	c.Set("Content-Type", "text/event-stream")
+	c.Set("Cache-Control", "no-cache")
+	c.Set("Connection", "keep-alive")
+	c.Set("Transfer-Encoding", "chunked")
+
+	clientID := uuid.New().String()
+	client := b.RegisterClient(clientID)
+
+	c.Status(fiber.StatusOK).Context().SetBodyStreamWriter(fasthttp.StreamWriter(func(w *bufio.Writer) {
+		writer := &fiberSSEWriter{w: w}
+		b.handleSSEConnection(clientID, client, writer)
+	}))
+
+	return nil
+}
+
+func (b *SSEBroker) HandleHTTPSSE(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+	w.Header().Set("Transfer-Encoding", "chunked")
+
+	clientID := uuid.New().String()
+	client := b.RegisterClient(clientID)
+
+	writer := &httpSSEWriter{w: w}
+
+	go func() {
+		b.handleSSEConnection(clientID, client, writer)
+	}()
+
+	<-r.Context().Done()
+	slog.Info("client disconnected", "client_id", clientID)
+}
+
+func (b *SSEBroker) Shutdown() {
+	close(b.done)
+}

consts.go

@@ -0,0 +1,48 @@
+package goblocks
+
+// TODO: review consts
+const (
+	// Handlers keys
+	InvalidRequest    = "invalid_request"
+	MalformedJSON     = "malformed_json"
+	TokenBlacklisted  = "token_blacklisted"
+	TokenInvalid      = "token_invalid"
+	ValidationFailed  = "validation_failed"
+	UntilBeforeTo     = "until_before_to"
+	InternalError     = "internal_error"
+	NotFound          = "not_found"
+	Created           = "created"
+	Updated           = "updated"
+	Deleted           = "deleted"
+	Enabled           = "enabled"
+	Disabled          = "disabled"
+	Retrieved         = "retrieved"
+	ErrorCreating     = "error_creating"
+	ErrorUpdating     = "error_updating"
+	ErrorEnabling     = "error_enabling"
+	ErrorDisabling    = "error_disabling"
+	ErrorGetting      = "error_getting"
+	ErrorGettingAll   = "error_getting_all"
+	ErrorMailing      = "error_mailing"
+	InvalidEntityID   = "invalid_entity_id"
+	NotImplemented    = "not_implemented"
+	NotPassValidation = "not_pass_validation"
+	NotEnoughBalance  = "not_enough_balance"
+	InvalidIdentifier = "invalid_identifier"
+
+	// User keys (DB)
+	UserUsernameKey       = "username_key"
+	UserEmailKey          = "email_key"
+	UsernameAlreadyExists = "username_already_exists"
+	UserSessionKey        = "user_session_key"
+	EmailAlreadyExists    = "email_already_exists"
+	PhoneNumberKey        = "phone_number_key"
+	PhoneAlreadyExists    = "phone_already_exists"
+	NoRowsAffected        = "no rows in result set"
+
+	// Auth
+	TokenPayload         = "token_payload"
+	LoggedIn             = "logged_in"
+	IncorrectPassword    = "incorrect_password"
+	ErrorGeneratingToken = "error_generating_token"
+)

db/mysql.go

@@ -1,31 +0,0 @@
-package db
-
-import (
-	"database/sql"
-	"log/slog"
-	"time"
-
-	_ "github.com/go-sql-driver/mysql"
-)
-
-const maxOpenDbConn = 10
-const maxIdleDbConn = 5
-const maxDbLifetime = time.Minute * 5
-
-func NewMySQL(dataSource string) (*sql.DB, error) {
-	d, err := sql.Open("mysql", dataSource)
-	if err != nil {
-		slog.Error("error connecting to database", "error", err)
-	}
-
-	d.SetMaxOpenConns(maxOpenDbConn)
-	d.SetMaxIdleConns(maxIdleDbConn)
-	d.SetConnMaxLifetime(maxDbLifetime)
-
-	if err := d.Ping(); err != nil {
-		slog.Error("error pinging database", "error", err)
-		return nil, err
-	}
-
-	return d, nil
-}

db/pgx.go

@@ -1,27 +0,0 @@
-package db
-
-import (
-	"context"
-	"log/slog"
-
-	_ "github.com/jackc/pgconn"
-	_ "github.com/jackc/pgx/v5"
-	"github.com/jackc/pgx/v5/pgxpool"
-	_ "github.com/jackc/pgx/v5/stdlib"
-)
-
-func NewPGXPool(dataSource string) *pgxpool.Pool {
-	dbPool, err := pgxpool.New(context.Background(), dataSource)
-	if err != nil {
-		slog.Error("error connecting to database", "error", err)
-		panic(err)
-	}
-
-	if err := dbPool.Ping(context.Background()); err != nil {
-		slog.Error("error pinging database, maybe incorrect datasource", "error", err)
-		panic(err)
-	}
-
-	slog.Info("connected to database")
-	return dbPool
-}

excel2struct/README.md

@@ -1,36 +0,0 @@
-# excel2struct
-
-Convierte una hoja de excel compatible con la librería [Excelize](https://github.com/qax-os/excelize) a un tipo estructurado de Go. La primera fila debe coincidir con la etiqueta XLSX, sensible a las mayúsculas.
-
-| Id | Nombre | Apellidos | Email                    | Género | Balance |
-|----|--------|-----------|--------------------------|--------|---------|
-| 1  | Caryl  | Kimbrough | ckimbrough0@fotki.com    | true   | 571.08  |
-| 2  | Robin  | Bozward   | rbozward1@thetimes.co.uk | true   | 2162.89 |
-| 3  | Tabbie | Kaygill   | tkaygill2@is.gd          | false  | 703.94  |
-
-```go
-type User struct {
-	Id       int     `xlsx:"Id"`
-	Name     string  `xlsx:"Nombre"`
-	LastName string  `xlsx:"Apellidos"`
-	Email    string  `xlsx:"Email"`
-	Gender   bool    `xlsx:"Género"`
-	Balance  float32 `xlsx:"Balance"`
-}
-```
-
-```go
-func main() {
- data := exceltostruct.Convert[User]("Book1.xlsx", "Sheet1")
- fmt.Println(data)
-}
-```
-
-```bash
-[{1 Caryl Kimbrough ckimbrough0@fotki.com true 571.08} {2 Robin Bozward rbozward1@thetimes.co.uk true 2162.89} {3 Tabbie Kaygill tkaygill2@is.gd false 703.94}]
-```
-
-Donde el primer parámetro es la ruta donde está ubicada la hoja de cálculo y la segunda el nombre de la hoja.
-
-Tipos compatibles: **int**, **float32**, **bool** y **string**.
-

excel2struct/exceltostruct.go

@@ -1,63 +0,0 @@
-package exceltostruct
-
-import (
-	"github.com/xuri/excelize/v2"
-	"reflect"
-	"strconv"
-)
-
-func Convert[T any](bookPath, sheetName string) (dataExcel []T) {
-	f, _ := excelize.OpenFile(bookPath)
-	rows, _ := f.GetRows(sheetName)
-
-	firstRow := map[string]int{}
-
-	for i, row := range rows[0] {
-		firstRow[row] = i
-	}
-
-	t := new(T)
-	dataExcel = make([]T, 0, len(rows)-1)
-
-	for _, row := range rows[1:] {
-		v := reflect.ValueOf(t)
-		if v.Kind() == reflect.Pointer {
-			v = v.Elem()
-		}
-
-		for i := 0; i < v.NumField(); i++ {
-			tag := v.Type().Field(i).Tag.Get("xlsx")
-			objType := v.Field(i).Type().String()
-
-			if j, ok := firstRow[tag]; ok {
-				field := v.Field(i)
-				if len(row) > j {
-					d := row[j]
-					elementConverted := convertType(objType, d)
-					field.Set(reflect.ValueOf(elementConverted))
-				}
-			}
-		}
-
-		dataExcel = append(dataExcel, *t)
-	}
-
-	return dataExcel
-}
-
-func convertType(objType string, value string) any {
-	switch objType {
-	case "int":
-		valueInt, _ := strconv.Atoi(value)
-		return valueInt
-	case "bool":
-		valueBool, _ := strconv.ParseBool(value)
-		return valueBool
-	case "float32":
-		valueFloat, _ := strconv.ParseFloat(value, 32)
-		return float32(valueFloat)
-	case "string":
-		return value
-	}
-	return value
-}

go.mod

@@ -1,43 +1,49 @@
-module gopher-toolbox
+module github.com/zepyrshut/go-blocks/v2
 
-go 1.23.2
+go 1.24
 
 require (
-	github.com/go-sql-driver/mysql v1.5.0
-	github.com/golang-migrate/migrate/v4 v4.18.1
+	github.com/alexedwards/scs/v2 v2.8.0
+	github.com/go-sql-driver/mysql v1.9.2
+	github.com/gofiber/fiber/v2 v2.52.9
+	github.com/golang-migrate/migrate/v4 v4.18.3
+	github.com/google/uuid v1.6.0
 	github.com/jackc/pgconn v1.14.3
-	github.com/jackc/pgx/v5 v5.7.1
-	github.com/stretchr/testify v1.9.0
-	github.com/xuri/excelize/v2 v2.9.0
+	github.com/jackc/pgx/v5 v5.7.4
+	github.com/stretchr/testify v1.10.0
+	github.com/valyala/fasthttp v1.51.0
 )
 
 require (
-	aidanwoods.dev/go-result v0.1.0 // indirect
+	aidanwoods.dev/go-result v0.3.1 // indirect
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/andybalholm/brotli v1.1.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/lib/pq v1.10.9 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	go.uber.org/atomic v1.7.0 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/tcplisten v1.0.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 require (
-	aidanwoods.dev/go-paseto v1.5.2
+	aidanwoods.dev/go-paseto v1.5.4
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgproto3/v2 v2.3.3 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
-	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
-	github.com/richardlehane/mscfb v1.0.4 // indirect
-	github.com/richardlehane/msoleps v1.0.4 // indirect
-	github.com/xuri/efp v0.0.0-20240408161823-9ad904a10d6d // indirect
-	github.com/xuri/nfp v0.0.0-20240318013403-ab9948c2c4a7 // indirect
-	golang.org/x/crypto v0.28.0 // indirect
-	golang.org/x/net v0.30.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
-	golang.org/x/text v0.19.0
+	golang.org/x/crypto v0.38.0 // indirect
+	golang.org/x/sync v0.14.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.25.0
 )

go.sum

@@ -1,16 +1,22 @@
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@@ -25,12 +31,16 @@ github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
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@@ -51,22 +61,29 @@ github.com/jackc/pgproto3/v2 v2.3.3 h1:1HLSx5H+tXR9pW3in3zaztoEwQYRC9SQaYUHjTSUO
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 github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
-github.com/jackc/pgx/v5 v5.7.1 h1:x7SYsPBYDkHDksogeSmZZ5xzThcTgRz++I5E+ePFUcs=
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-github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 h1:RWengNIwukTxcDr9M+97sNutRR1RKhG96O6jWumTTnw=
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@@ -77,25 +94,22 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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+github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0 h1:TT4fX+nBOA/+LUkobKGW1ydGcn+G3vRw9+g5HwCphpk=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0/go.mod h1:L7UH0GbB0p47T4Rri3uHjbpCFYrVrwc1I25QhNPiGK8=
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@@ -104,20 +118,18 @@ go.opentelemetry.io/otel/metric v1.29.0 h1:vPf/HFWTNkPu1aYeIsc98l4ktOQaL6LeSoeV2
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+go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
+go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
+golang.org/x/crypto v0.38.0 h1:jt+WWG8IZlBnVbomuhg2Mdq0+BBQaHbtqHEFEigjUV8=
+golang.org/x/crypto v0.38.0/go.mod h1:MvrbAqul58NNYPKnOra203SB9vpuZW0e+RRZV+Ggqjw=
+golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ=
+golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
+golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/text v0.25.0 h1:qVyWApTSYLk/drJRO5mDlNYskwQznZmkpV2c8q9zls4=
+golang.org/x/text v0.25.0/go.mod h1:WEdwpYrmk1qmdHvhkSTNPm3app7v4rsT8F2UD6+VHIA=
 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=

mail.go

@@ -1,4 +1,4 @@
-package mail
+package goblocks
 
 import (
 	"bytes"
@@ -15,7 +15,7 @@ type Mailer struct {
 	smtpPass string
 }
 
-func New() Mailer {
+func newMailer() Mailer {
 	return Mailer{
 		smtpHost: os.Getenv("SMTP_HOST"),
 		smtpPort: os.Getenv("SMTP_PORT"),
@@ -24,7 +24,7 @@ func New() Mailer {
 	}
 }
 
-func (m *Mailer) SendMail(to []string, templateName string, data interface{}) error {
+func (m Mailer) SendMail(to []string, templateName string, data interface{}) error {
 	templateContent := getTemplate(templateName)
 	if templateContent == "" {
 		return fmt.Errorf("template %s not found", templateName)

mysql.go

@@ -0,0 +1,65 @@
+package goblocks
+
+import (
+	"database/sql"
+	"log/slog"
+	"sync"
+	"time"
+
+	_ "github.com/go-sql-driver/mysql"
+)
+
+const maxOpenDbConn = 10
+const maxIdleDbConn = 5
+const maxDbLifetime = time.Minute * 5
+
+var (
+	mysqlDBs   = make(map[string]*sql.DB)
+	mysqlMutex sync.RWMutex
+)
+
+func (a *App) NewMySQL(name string) (*sql.DB, error) {
+	mysqlMutex.Lock()
+	defer mysqlMutex.Unlock()
+
+	if db, exists := mysqlDBs[name]; exists {
+		return db, nil
+	}
+
+	d, err := sql.Open("mysql", a.Datasource(name))
+	if err != nil {
+		slog.Error("error connecting to database", "error", err, "name", name)
+		return nil, err
+	}
+
+	d.SetMaxOpenConns(maxOpenDbConn)
+	d.SetMaxIdleConns(maxIdleDbConn)
+	d.SetConnMaxLifetime(maxDbLifetime)
+
+	if err := d.Ping(); err != nil {
+		slog.Error("error pinging database", "error", err, "name", name)
+		return nil, err
+	}
+
+	mysqlDBs[name] = d
+	slog.Info("connected to database", "name", name)
+	return d, nil
+}
+
+func (a *App) GetMySQL(name string) (*sql.DB, bool) {
+	mysqlMutex.RLock()
+	defer mysqlMutex.RUnlock()
+	db, exists := mysqlDBs[name]
+	return db, exists
+}
+
+func (a *App) CloseMySQLDBs() {
+	mysqlMutex.Lock()
+	defer mysqlMutex.Unlock()
+
+	for name, db := range mysqlDBs {
+		db.Close()
+		delete(mysqlDBs, name)
+		slog.Info("closed database connection", "name", name)
+	}
+}

pgx.go

@@ -1,14 +1,80 @@
-package pgutils
+package goblocks
 
 import (
+	"context"
 	"log/slog"
 	"math"
 	"math/big"
 	"strconv"
+	"sync"
 
+	_ "github.com/jackc/pgconn"
+	_ "github.com/jackc/pgx/v5"
 	"github.com/jackc/pgx/v5/pgtype"
+	"github.com/jackc/pgx/v5/pgxpool"
+	_ "github.com/jackc/pgx/v5/stdlib"
 )
 
+var (
+	pgxPools = make(map[string]*pgxpool.Pool)
+	pgxMutex sync.RWMutex
+)
+
+func (a *App) newPGXPool(name string) *pgxpool.Pool {
+
+	slog.Debug("newPGXPool", "name", name, "datasource", a.Datasource(name))
+
+	pgxMutex.Lock()
+	defer pgxMutex.Unlock()
+
+	if pool, exists := pgxPools[name]; exists {
+		return pool
+	}
+
+	dbPool, err := pgxpool.New(context.Background(), a.Datasource(name))
+	if err != nil {
+		slog.Error("error connecting to database", "error", err, "name", name)
+		panic(err)
+	}
+
+	if err := dbPool.Ping(context.Background()); err != nil {
+		slog.Error("error pinging database, maybe incorrect datasource", "error", err, "name", name)
+		panic(err)
+	}
+
+	pgxPools[name] = dbPool
+	slog.Info("connected to database", "name", name)
+	return dbPool
+}
+
+func (a *App) GetPGXPool(name string) *pgxpool.Pool {
+	pgxMutex.RLock()
+	defer pgxMutex.RUnlock()
+
+	pool, exists := pgxPools[name]
+	if !exists {
+		slog.Error("database connection not found", "name", name)
+		return nil
+	}
+
+	return pool
+}
+
+func (a *App) ClosePGXPool(name string) {
+	pgxMutex.Lock()
+	defer pgxMutex.Unlock()
+
+	pool, exists := pgxPools[name]
+	if !exists {
+		slog.Error("database connection not found", "name", name)
+		return
+	}
+
+	pool.Close()
+	delete(pgxPools, name)
+	slog.Info("closed database connection", "name", name)
+}
+
 func NumericToFloat64(n pgtype.Numeric) float64 {
 	val, err := n.Value()
 	if err != nil {
@@ -37,7 +103,7 @@ func NumericToInt64(n pgtype.Numeric) int64 {
 
 func FloatToNumeric(number float64, precision int) (value pgtype.Numeric) {
 	parse := strconv.FormatFloat(number, 'f', precision, 64)
-	slog.Info("parse", "parse", parse)
+	slog.Debug("parse", "parse", parse)
 
 	if err := value.Scan(parse); err != nil {
 		slog.Error("error scanning numeric", "error", err)
@@ -46,10 +112,7 @@ func FloatToNumeric(number float64, precision int) (value pgtype.Numeric) {
 }
 
 func AddNumeric(a, b pgtype.Numeric) pgtype.Numeric {
-	minExp := a.Exp
-	if b.Exp < minExp {
-		minExp = b.Exp
-	}
+	minExp := min(a.Exp, b.Exp)
 
 	aInt := new(big.Int).Set(a.Int)
 	bInt := new(big.Int).Set(b.Int)

pgx_test.go

@@ -1,4 +1,4 @@
-package pgutils
+package goblocks
 
 import (
 	"fmt"

render.go

@@ -0,0 +1,50 @@
+package goblocks
+
+import (
+	"encoding/json"
+	"log/slog"
+	"net/http"
+	"strings"
+)
+
+type stringWriter struct {
+	builder strings.Builder
+	header  http.Header
+}
+
+func newStringWriter() *stringWriter {
+	return &stringWriter{
+		header: make(http.Header),
+	}
+}
+
+func (w *stringWriter) Header() http.Header {
+	return w.header
+}
+
+func (w *stringWriter) Write(b []byte) (int, error) {
+	return w.builder.Write(b)
+}
+
+func (w *stringWriter) WriteHeader(statusCode int) {}
+
+func (a *App) JSON(w http.ResponseWriter, code int, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(code)
+	json.NewEncoder(w).Encode(v)
+}
+
+func (a *App) HTML(w http.ResponseWriter, r *http.Request, code int, layout string, page string, td *TemplateData) {
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	w.WriteHeader(code)
+
+	err := a.Templates.Render(w, layout, page, td, r.Header.Get("HX-Request") != "true")
+	if err != nil {
+		slog.Error("error rendering", "layout", layout, "page", page, "error", err)
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (a *App) RenderComponent(name string, td *TemplateData) (string, error) {
+	return a.Templates.RenderComponent(name, td)
+}

router.go

@@ -0,0 +1,100 @@
+package goblocks
+
+import (
+	"net/http"
+	"os"
+	"path/filepath"
+	"slices"
+	"strings"
+)
+
+type Middleware func(http.Handler) http.Handler
+
+type Router struct {
+	globalChain []Middleware
+	routeChain  []Middleware
+	isSub       bool
+	*http.ServeMux
+}
+
+func newRouter() *Router {
+	return &Router{ServeMux: http.NewServeMux()}
+}
+
+func (r *Router) Use(mw ...Middleware) {
+	if r.isSub {
+		r.routeChain = append(r.routeChain, mw...)
+	} else {
+		r.globalChain = append(r.globalChain, mw...)
+	}
+}
+
+func (r *Router) Group(basePath string, fn func(r *Router)) {
+	sub := &Router{
+		ServeMux:   r.ServeMux,
+		routeChain: slices.Clone(r.routeChain),
+		isSub:      true,
+	}
+
+	// Añadir middleware para manejar el basePath
+	sub.Use(func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+			if !strings.HasPrefix(req.URL.Path, basePath) {
+				http.NotFound(w, req)
+				return
+			}
+			req.URL.Path = strings.TrimPrefix(req.URL.Path, basePath)
+			next.ServeHTTP(w, req)
+		})
+	})
+
+	fn(sub)
+}
+
+func (r *Router) Static(urlPrefix, dir string) {
+	urlPrefix = strings.TrimSuffix(urlPrefix, "/")
+
+	fileServer := http.FileServer(http.Dir(dir))
+	fs := http.StripPrefix(urlPrefix, http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+		fullPath := filepath.Join(dir, req.URL.Path)
+
+		info, err := os.Stat(fullPath)
+		if err != nil {
+			http.NotFound(w, req)
+			return
+		}
+		if info.IsDir() {
+			http.NotFound(w, req)
+			return
+		}
+
+		w.Header().Set("Cache-Control", "public, max-age=31536000, immutable")
+
+		fileServer.ServeHTTP(w, req)
+	}))
+
+	r.Handle(urlPrefix+"/", fs)
+}
+
+func (r *Router) HandleFunc(pattern string, h http.HandlerFunc) {
+	r.Handle(pattern, h)
+}
+
+func (r *Router) Handle(pattern string, h http.Handler) {
+	chain := slices.Clone(r.routeChain)
+	slices.Reverse(chain)
+	for _, mw := range chain {
+		h = mw(h)
+	}
+	r.ServeMux.Handle(pattern, h)
+}
+
+func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	h := http.Handler(r.ServeMux)
+	chain := slices.Clone(r.globalChain)
+	slices.Reverse(chain)
+	for _, mw := range chain {
+		h = mw(h)
+	}
+	h.ServeHTTP(w, req)
+}

templates.go

@@ -0,0 +1,379 @@
+package goblocks
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"html/template"
+	"log/slog"
+	"maps"
+	"net/http"
+	"path/filepath"
+	"reflect"
+	"strconv"
+	"strings"
+	"time"
+)
+
+type (
+	templateCache map[string]*template.Template
+
+	TemplateData struct {
+		Data  map[string]any
+		Pages Pages
+	}
+
+	RenderOptions func(*Render)
+	Render        struct {
+		EnableCache   bool
+		TemplatesPath string
+		Functions     template.FuncMap
+		TemplateData  TemplateData
+		templateCache templateCache
+	}
+)
+
+func defaultHTMLRender() *Render {
+	return &Render{
+		EnableCache:   false,
+		TemplatesPath: "templates",
+		TemplateData:  TemplateData{},
+		Functions: template.FuncMap{
+			"default":  defaultIfEmpty,
+			"dict":     Dict,
+			"duration": Duration,
+		},
+		templateCache: templateCache{},
+	}
+}
+
+func NewHTMLRender(opts ...RenderOptions) *Render {
+	config := defaultHTMLRender()
+	return config.apply(opts...)
+}
+
+func (re *Render) apply(opts ...RenderOptions) *Render {
+	for _, opt := range opts {
+		if opt != nil {
+			opt(re)
+		}
+	}
+	return re
+}
+
+func defaultIfEmpty(fallback string, value any) string {
+	str, ok := value.(string)
+	if !ok || strings.TrimSpace(str) == "" {
+		return fallback
+	}
+
+	return str
+}
+
+func cloneFuncMap(src template.FuncMap) template.FuncMap {
+	c := make(template.FuncMap)
+	maps.Copy(c, src)
+	return c
+}
+
+func (re *Render) Render(w http.ResponseWriter, layoutName, pageName string, td *TemplateData, useLayout bool) error {
+	if td == nil {
+		td = &TemplateData{}
+	}
+
+	if !useLayout {
+		path := filepath.Join(re.TemplatesPath, "pages", pageName)
+
+		funcs := cloneFuncMap(re.Functions)
+		tmpl, err := template.New(strings.TrimSuffix(pageName, ".gohtml")).Funcs(funcs).ParseFiles(path)
+		if err != nil {
+			return err
+		}
+
+		var buf bytes.Buffer
+		if err := tmpl.ExecuteTemplate(&buf, strings.TrimSuffix(pageName, ".gohtml"), td); err != nil {
+			return err
+		}
+
+		_, err = buf.WriteTo(w)
+		return err
+	}
+
+	tmpl, err := re.loadTemplateWithLayout(layoutName, pageName)
+	if err != nil {
+		return err
+	}
+
+	var buf bytes.Buffer
+	if err := tmpl.ExecuteTemplate(&buf, strings.TrimSuffix(layoutName, ".gohtml"), td); err != nil {
+		return err
+	}
+
+	_, err = buf.WriteTo(w)
+	return err
+}
+
+func (re *Render) RenderComponent(name string, td *TemplateData) (string, error) {
+	if td == nil {
+		td = &TemplateData{}
+	}
+
+	path := filepath.Join(re.TemplatesPath, "components", name)
+
+	files := []string{path}
+	matches, err := filepath.Glob(filepath.Join(re.TemplatesPath, "components", "*.gohtml"))
+	if err != nil {
+		slog.Error("error loading component files", "error", err)
+		return "", err
+	}
+	files = append(files, matches...)
+
+	funcs := cloneFuncMap(re.Functions)
+	tmpl, err := template.New(name).Funcs(funcs).ParseFiles(files...)
+	if err != nil {
+		slog.Error("error loading component files", "error", err)
+		return "", err
+	}
+
+	var buf bytes.Buffer
+	err = tmpl.ExecuteTemplate(&buf, strings.TrimSuffix(name, ".gohtml"), td)
+	if err != nil {
+		slog.Error("error executing component template", "error", err)
+	}
+	return buf.String(), err
+}
+
+func (re *Render) loadTemplateWithLayout(layoutName, pageName string) (*template.Template, error) {
+	cacheKey := layoutName + "::" + pageName
+
+	if re.EnableCache {
+		if tmpl, ok := re.templateCache[cacheKey]; ok {
+			return tmpl, nil
+		}
+	}
+
+	layoutPath := filepath.Join(re.TemplatesPath, "layouts", layoutName)
+	pagePath := filepath.Join(re.TemplatesPath, "pages", pageName)
+
+	files := []string{layoutPath, pagePath}
+	componentFiles, err := filepath.Glob(filepath.Join(re.TemplatesPath, "components", "*.gohtml"))
+	if err != nil {
+		return nil, err
+	}
+	files = append(files, componentFiles...)
+
+	funcs := cloneFuncMap(re.Functions)
+	tmpl, err := template.New(layoutName).Funcs(funcs).ParseFiles(files...)
+	if err != nil {
+		return nil, err
+	}
+
+	if re.EnableCache {
+		re.templateCache[cacheKey] = tmpl
+		slog.Debug("template cached", "key", cacheKey)
+	}
+
+	return tmpl, nil
+}
+
+// Pages contains pagination info.
+type Pages struct {
+	// TotalElements indicates the total number of elements available for
+	// pagination.
+	TotalElements int
+	// ElementsPerPage defines the number of elements to display per page in
+	// pagination.
+	ElementsPerPage int
+	// ActualPage represents the current page number in pagination.
+	ActualPage int
+}
+
+func (p *Pages) PaginationParams(r *http.Request) {
+	limit := r.FormValue("limit")
+	page := r.FormValue("page")
+
+	if limit == "" {
+		if p.ElementsPerPage != 0 {
+			limit = strconv.Itoa(p.ElementsPerPage)
+		} else {
+			limit = "20"
+		}
+	}
+
+	if page == "" || page == "0" {
+		if p.ActualPage != 0 {
+			page = strconv.Itoa(p.ActualPage)
+		} else {
+			page = "1"
+		}
+	}
+
+	limitInt, _ := strconv.Atoi(limit)
+	pageInt, _ := strconv.Atoi(page)
+	offset := (pageInt - 1) * limitInt
+	currentPage := offset/limitInt + 1
+
+	p.ElementsPerPage = limitInt
+	p.ActualPage = currentPage
+}
+
+func (p Pages) PaginateArray(elements any) any {
+	itemsValue := reflect.ValueOf(elements)
+
+	if p.ActualPage < 1 {
+		p.ActualPage = 1
+	}
+
+	if p.ActualPage > p.TotalPages() {
+		p.ActualPage = p.TotalPages()
+	}
+
+	startIndex := (p.ActualPage - 1) * p.ElementsPerPage
+	endIndex := startIndex + p.ElementsPerPage
+
+	return itemsValue.Slice(startIndex, endIndex).Interface()
+}
+
+func (p Pages) CurrentPage() int {
+	return p.ActualPage
+}
+
+func (p Pages) TotalPages() int {
+	return (p.TotalElements + p.ElementsPerPage - 1) / p.ElementsPerPage
+}
+
+func (p Pages) IsFirst() bool {
+	return p.ActualPage == 1
+}
+
+func (p Pages) IsLast() bool {
+	return p.ActualPage == p.TotalPages()
+}
+
+func (p Pages) HasPrevious() bool {
+	return p.ActualPage > 1
+}
+
+func (p Pages) HasNext() bool {
+	return p.ActualPage < p.TotalPages()
+}
+
+func (p Pages) Previous() int {
+	if p.ActualPage > p.TotalPages() {
+		return p.TotalPages()
+	}
+	return p.ActualPage - 1
+}
+
+func (p Pages) Next() int {
+	if p.ActualPage < 1 {
+		return 1
+	}
+	return p.ActualPage + 1
+}
+
+func (p Pages) GoToPage(page int) int {
+	if page < 1 {
+		page = 1
+	} else if page > p.TotalPages() {
+		page = p.TotalPages()
+	}
+	return page
+}
+
+func (p Pages) First() int {
+	return p.GoToPage(1)
+}
+
+func (p Pages) Last() int {
+	return p.GoToPage(p.TotalPages())
+}
+
+// Page contiene la información de una página. Utilizado para la barra de
+// paginación que suelen mostrarse en la parte inferior de una lista o tabla.
+
+// Page represents a single page in pagination, including its number and active
+// state. Useful for pagination bar.
+type Page struct {
+	// Number is the numeric identifier of the page in pagination.
+	Number int
+	// Active indicates if the page is the currently selected page.
+	Active bool
+}
+
+func (p Page) NumberOfPage() int {
+	return p.Number
+}
+
+func (p Page) IsActive() bool {
+	return p.Active
+}
+
+// PageRange generates a slice of Page instances representing a range of pages
+// to be displayed in a pagination bar.
+func (p Pages) PageRange(maxPagesToShow int) []Page {
+	var pages []Page
+	totalPages := p.TotalPages()
+
+	startPage := p.ActualPage - (maxPagesToShow / 2)
+	endPage := p.ActualPage + (maxPagesToShow / 2)
+
+	if startPage < 1 {
+		startPage = 1
+		endPage = maxPagesToShow
+	}
+
+	if endPage > totalPages {
+		endPage = totalPages
+		startPage = totalPages - maxPagesToShow + 1
+		if startPage < 1 {
+			startPage = 1
+		}
+	}
+
+	for i := startPage; i <= endPage; i++ {
+		pages = append(pages, Page{
+			Number: i,
+			Active: i == p.ActualPage,
+		})
+	}
+
+	return pages
+}
+
+func Dict(values ...any) (map[string]any, error) {
+	if len(values)%2 != 0 {
+		return nil, errors.New("invalid dict call")
+	}
+	dict := make(map[string]any, len(values)/2)
+	for i := 0; i < len(values); i += 2 {
+		key, ok := values[i].(string)
+		if !ok {
+			return nil, errors.New("dict keys must be strings")
+		}
+		dict[key] = values[i+1]
+	}
+	return dict, nil
+}
+
+func FormatDateSpanish(date time.Time) string {
+	months := []string{"enero", "febrero", "marzo", "abril", "mayo", "junio", "julio", "agosto", "septiembre", "octubre", "noviembre", "diciembre"}
+	days := []string{"domingo", "lunes", "martes", "miércoles", "jueves", "viernes", "sábado"}
+
+	dayName := days[date.Weekday()]
+	day := date.Day()
+	month := months[date.Month()-1]
+	year := date.Year()
+
+	return dayName + ", " + strconv.Itoa(day) + " de " + month + " de " + strconv.Itoa(year)
+}
+
+func Duration(start, end time.Time) string {
+	if end.IsZero() {
+		end = time.Now()
+	}
+	d := end.Sub(start)
+	h := int(d.Hours())
+	m := int(d.Minutes()) % 60
+	return fmt.Sprintf("%d:%02d", h, m)
+}

templates/functions.go

@@ -1,34 +0,0 @@
-package templates
-
-import (
-	"errors"
-	"strconv"
-	"time"
-)
-
-func Dict(values ...interface{}) (map[string]interface{}, error) {
-	if len(values)%2 != 0 {
-		return nil, errors.New("invalid dict call")
-	}
-	dict := make(map[string]interface{}, len(values)/2)
-	for i := 0; i < len(values); i += 2 {
-		key, ok := values[i].(string)
-		if !ok {
-			return nil, errors.New("dict keys must be strings")
-		}
-		dict[key] = values[i+1]
-	}
-	return dict, nil
-}
-
-func FormatDateSpanish(date time.Time) string {
-	months := []string{"enero", "febrero", "marzo", "abril", "mayo", "junio", "julio", "agosto", "septiembre", "octubre", "noviembre", "diciembre"}
-	days := []string{"domingo", "lunes", "martes", "miércoles", "jueves", "viernes", "sábado"}
-
-	dayName := days[date.Weekday()]
-	day := date.Day()
-	month := months[date.Month()-1]
-	year := date.Year()
-
-	return dayName + ", " + strconv.Itoa(day) + " de " + month + " de " + strconv.Itoa(year)
-}