update readme and add license

.env.example

@@ -0,0 +1,10 @@
+# pgx, postgresql, mysql 
+DRIVERNAME=pgx
+# enable / disable migrations
+MIGRATE=
+# as example
+DATASOURCE=postgresql://developer:secret@localhost:5432/db?sslmode=disable
+# hex string format
+ASYMMETRICKEY=
+# in minutes
+DURATION=

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Pedro Pérez Banda
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,46 @@
+# Gopher Toolbox
+
+It is a library that gathers the boilerplate code used in different projects. 
+It includes the following:
+
+- Database controller implementations:
+  - [PGX Pool](github.com/jackc/pgx/v5)
+  - MySQL
+
+- Utilities for converting [pgtype](github.com/jackc/pgx/v5/pgtype) to Go types.
+
+- Random data generation for unit tests, similar to the [Faker](https://faker.readthedocs.io/en/master/) 
+in Python.
+
+```go
+MaleName() string
+FemaleName() string
+Name() string
+LastName() string
+Email(beforeAt string) string
+Int(min, max int64) int64
+Float(min, max float64) float64
+Bool() bool
+Chars(min, max int) string
+AllChars(min, max int) string
+AllCharsOrEmpty(min, max int) string
+AllCharsOrNil(min, max int) *string
+NumericString(length int) string
+Sentence(min, max int) string
+```
+
+- Conversion of Excel files to structured types. You pass the struct type to the
+ function `Convert[T any](bookPath, sheetName string)`, and it will return the 
+ data as `dataExcel []T`.
+
+- Constants for HTTP handlers.
+
+- Miscelaneous utilities
+
+```go
+CorrectTimezone(timeStamp time.Time) time.Time 
+GetBool(value string) bool
+LogAndReturnError(err error, message string) error
+GetBoolFromString(s string) bool
+Slugify(s string) string
+```

app/app.go

@@ -0,0 +1,182 @@
+package app
+
+import (
+	"bufio"
+	"database/sql"
+	"embed"
+	"errors"
+	"fmt"
+	"gopher-toolbox/utils"
+	"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"
+)
+
+const (
+	// Handlers keys
+	InvalidRequest  string = "invalid_request"
+	InternalError   string = "internal_error"
+	NotFound        string = "not_found"
+	Created         string = "created"
+	Updated         string = "updated"
+	Deleted         string = "deleted"
+	Enabled         string = "enabled"
+	Disabled        string = "disabled"
+	Retrieved       string = "retrieved"
+	ErrorCreating   string = "error_creating"
+	ErrorUpdating   string = "error_updating"
+	ErrorEnabling   string = "error_enabling"
+	ErrorDisabling  string = "error_disabling"
+	ErrorGetting    string = "error_getting"
+	ErrorGettingAll string = "error_getting_all"
+	InvalidEntityID string = "invalid_entity_id"
+	NotImplemented  string = "not_implemented"
+
+	// User keys
+	UserUsernameKey       string = "user_username_key"
+	UserEmailKey          string = "user_email_key"
+	UsernameAlReadyExists string = "username_already_exists"
+	EmailAlreadyExists    string = "email_already_exists"
+	IncorrectPassword     string = "incorrect_password"
+	ErrorGeneratingToken  string = "error_generating_token"
+	LoggedIn              string = "logged_in"
+)
+
+type App struct {
+	Database AppDatabase
+	Security AppSecurity
+	AppInfo  AppInfo
+}
+
+type AppDatabase struct {
+	DriverName string
+	DataSource string
+	Migrate    bool
+}
+
+type AppInfo struct {
+	Version string
+}
+
+type AppSecurity struct {
+	AsymmetricKey paseto.V4AsymmetricSecretKey
+	PublicKey     paseto.V4AsymmetricPublicKey
+	Duration      time.Duration
+}
+
+func New(version string) *App {
+	var err error
+
+	err = loadEnvFile()
+	if err != nil {
+		slog.Error("error loading env file", "error", err)
+		panic(err)
+	}
+
+	var durationTime time.Duration
+	var ak paseto.V4AsymmetricSecretKey
+
+	ak, err = paseto.NewV4AsymmetricSecretKeyFromHex(os.Getenv("ASYMMETRICKEY"))
+	if err != nil {
+		ak = paseto.NewV4AsymmetricSecretKey()
+	}
+	pk := ak.Public()
+
+	duration := os.Getenv("DURATION")
+	if duration != "" {
+		durationTime, err = time.ParseDuration(duration)
+		if err != nil {
+			durationTime = time.Hour * 24 * 7
+		}
+	}
+
+	return &App{
+		Database: AppDatabase{
+			Migrate:    utils.GetBool(os.Getenv("MIGRATE")),
+			DriverName: os.Getenv("DRIVERNAME"),
+			DataSource: os.Getenv("DATASOURCE"),
+		},
+		Security: AppSecurity{
+			AsymmetricKey: ak,
+			PublicKey:     pk,
+			Duration:      durationTime,
+		},
+		AppInfo: AppInfo{
+			Version: version,
+		},
+	}
+}
+
+// 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.Database.Migrate == false {
+		slog.Info("migration disabled")
+		return
+	}
+	dbConn, err := sql.Open(a.Database.DriverName, a.Database.DataSource)
+	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.Database.DataSource)
+	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 loadEnvFile() error {
+	file, err := os.Open(".env")
+	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()
+}

config/config.go

@@ -1,59 +0,0 @@
-package config
-
-import (
-	"fmt"
-	"gopher-toolbox/token"
-	"io"
-	"log/slog"
-	"os"
-	"time"
-)
-
-type App struct {
-	DataSource string
-	UseCache   bool
-	Security   Security
-	AppInfo    AppInfo
-}
-
-type AppInfo struct {
-	GinMode string
-	Version string
-}
-
-type Security struct {
-	Token     *token.Paseto
-	StripeKey string
-	Duration  time.Duration
-}
-
-func NewLogger(level slog.Level) {
-	now := time.Now().Format("2006-01-02")
-	if _, err := os.Stat("logs"); os.IsNotExist(err) {
-		os.Mkdir("logs", 0755)
-	}
-	f, _ := os.OpenFile(fmt.Sprintf("logs/log%s.log", now), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
-	mw := io.MultiWriter(os.Stdout, f)
-
-	logger := slog.New(slog.NewTextHandler(mw, &slog.HandlerOptions{
-		AddSource: true,
-		Level:     level,
-	}))
-
-	slog.SetDefault(logger)
-}
-
-func LogLevel(level string) slog.Level {
-	switch level {
-	case "debug":
-		return slog.LevelDebug
-	case "info":
-		return slog.LevelInfo
-	case "warn":
-		return slog.LevelWarn
-	case "error":
-		return slog.LevelError
-	default:
-		return slog.LevelDebug
-	}
-}

db/driver.go

@@ -1,60 +0,0 @@
-package db
-
-import (
-	"context"
-	"database/sql"
-	"log/slog"
-	"time"
-
-	_ "github.com/jackc/pgconn"
-	_ "github.com/jackc/pgx/v5"
-	"github.com/jackc/pgx/v5/pgxpool"
-	_ "github.com/jackc/pgx/v5/stdlib"
-)
-
-func NewPostgresPool(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
-}
-
-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)
-
-	err = testDB(d)
-	if err != nil {
-		slog.Error("error pinging database", "error", err)
-		return nil, err
-	}
-
-	return d, nil
-}
-
-func testDB(d *sql.DB) error {
-	err := d.Ping()
-	if err != nil {
-		return err
-	}
-	return nil
-}

db/mysql.go

@@ -0,0 +1,31 @@
+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

@@ -0,0 +1,26 @@
+package db
+
+import (
+	"context"
+	_ "github.com/jackc/pgconn"
+	_ "github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgxpool"
+	_ "github.com/jackc/pgx/v5/stdlib"
+	"log/slog"
+)
+
+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
+}

esfaker/esfaker.go

@@ -102,3 +102,15 @@ func NumericString(length int) string {
 
 	return sb.String()
 }
+
+func Sentence(min, max int) string {
+	var sb strings.Builder
+	k := len(lowercaseAlphabet)
+
+	for i := 0; i < rand.Intn(max-min+1)+min; i++ {
+		c := lowercaseAlphabet[rand.Intn(k)]
+		sb.WriteByte(c)
+	}
+
+	return sb.String()
+}

go.mod

@@ -3,65 +3,37 @@ module gopher-toolbox
 go 1.23.2
 
 require (
-	github.com/go-playground/locales v0.14.1
+	github.com/go-sql-driver/mysql v1.5.0
-	github.com/go-playground/universal-translator v0.18.1
+	github.com/golang-migrate/migrate/v4 v4.18.1
-	github.com/go-playground/validator/v10 v10.22.1
-	github.com/google/uuid v1.6.0
 	github.com/jackc/pgconn v1.14.3
 	github.com/jackc/pgx/v5 v5.7.1
-	github.com/justinas/nosurf v1.1.1
-	github.com/o1egl/paseto v1.0.0
-	github.com/stretchr/testify v1.9.0
 	github.com/xuri/excelize/v2 v2.9.0
-	github.com/zepyrshut/esfaker v0.0.0-20241017072233-b4a5efb1f24d
 )
 
 require (
-	github.com/bytedance/sonic v1.11.6 // indirect
+	aidanwoods.dev/go-result v0.1.0 // indirect
-	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
-	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/lib/pq v1.10.9 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
-	github.com/goccy/go-json v0.10.2 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
-	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.2.12 // indirect
-	golang.org/x/arch v0.8.0 // indirect
-	google.golang.org/protobuf v1.34.1 // indirect
 )
 
 require (
-	github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da // indirect
+	aidanwoods.dev/go-paseto v1.5.2
-	github.com/aead/chacha20poly1305 v0.0.0-20170617001512-233f39982aeb // indirect
-	github.com/aead/poly1305 v0.0.0-20180717145839-3fee0db0b635 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
-	github.com/gin-gonic/gin v1.10.0
 	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/kr/text v0.2.0 // indirect
-	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
-	github.com/pkg/errors v0.8.0 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/richardlehane/mscfb v1.0.4 // indirect
 	github.com/richardlehane/msoleps v1.0.4 // indirect
-	github.com/rogpeppe/go-internal v1.13.1 // 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 v0.26.0 // indirect
-	golang.org/x/text v0.19.0 // indirect
+	golang.org/x/text v0.19.0
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,40 +1,41 @@
-github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmHS9iAKVt9AyzRSqNU1qabPih5BY=
+aidanwoods.dev/go-paseto v1.5.2 h1:9aKbCQQUeHCqis9Y6WPpJpM9MhEOEI5XBmfTkFMSF/o=
-github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da/go.mod h1:eHEWzANqSiWQsof+nXEI9bUVUyV6F53Fp89EuCh2EAA=
+aidanwoods.dev/go-paseto v1.5.2/go.mod h1:7eEJZ98h2wFi5mavCcbKfv9h86oQwut4fLVeL/UBFnw=
-github.com/aead/chacha20poly1305 v0.0.0-20170617001512-233f39982aeb h1:6Z/wqhPFZ7y5ksCEV/V5MXOazLaeu/EW97CU5rz8NWk=
+aidanwoods.dev/go-result v0.1.0 h1:y/BMIRX6q3HwaorX1Wzrjo3WUdiYeyWbvGe18hKS3K8=
-github.com/aead/chacha20poly1305 v0.0.0-20170617001512-233f39982aeb/go.mod h1:UzH9IX1MMqOcwhoNOIjmTQeAxrFgzs50j4golQtXXxU=
+aidanwoods.dev/go-result v0.1.0/go.mod h1:yridkWghM7AXSFA6wzx0IbsurIm1Lhuro3rYef8FBHM=
-github.com/aead/poly1305 v0.0.0-20180717145839-3fee0db0b635 h1:52m0LGchQBBVqJRyYYufQuIbVqRawmubW3OFGqK1ekw=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
-github.com/aead/poly1305 v0.0.0-20180717145839-3fee0db0b635/go.mod h1:lmLxL+FV291OopO93Bwf9fQLQeLyt33VJRUg5VJ30us=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
-github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0=
+github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
-github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4=
+github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
-github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM=
-github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
-github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y=
-github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
-github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=
-github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
+github.com/dhui/dktest v0.4.3 h1:wquqUxAFdcUgabAVLvSCOKOlag5cIZuaOjYIBOWdsR0=
-github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
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-golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
+go.opentelemetry.io/otel/metric v1.29.0 h1:vPf/HFWTNkPu1aYeIsc98l4ktOQaL6LeSoeV2g+8YLc=
-golang.org/x/crypto v0.0.0-20181025213731-e84da0312774/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+go.opentelemetry.io/otel/metric v1.29.0/go.mod h1:auu/QWieFVWx+DmQOUMgj0F8LHWdgalxXqvp7BII/W8=
+go.opentelemetry.io/otel/trace v1.29.0 h1:J/8ZNK4XgR7a21DZUAsbF8pZ5Jcw1VhACmnYt39JTi4=
+go.opentelemetry.io/otel/trace v1.29.0/go.mod h1:eHl3w0sp3paPkYstJOmAimxhiFXPg+MMTlEh3nsQgWQ=
+go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
+go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
 golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
 golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
@@ -131,21 +108,12 @@ golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
 golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
 golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
 golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
 golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
 golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
-google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
-google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 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/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=
-rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

gorender/README.md

@@ -1,107 +0,0 @@
-# gorender
-
-Simple y minimalista librería para procesar plantillas utilizando la librería
-estándar de Go `html/template`.
-
-## Características
-
-- Procesamiento de plantillas utilizando `html/template`.
-- Soporte para caché de plantillas.
-- Soporte para paginación de elementos como tablas o múltiples blogs.
-- Posibilidad de añadir funciones personalizadas a las plantillas.
-- Configuración sencilla con opciones por defecto que se pueden sobreescribir.
-Inspirado en `Gin`.
-
-## Instalación
-
-```bash
-go get github.com/zepyrshut/gorender
-```
-
-## Uso mínimo
-
-Las plantillas deben tener la siguiente estructura, observa que las páginas a
-procesar están dentro de `pages`. Los demás componentes como bases y fragmentos
-pueden estar en el directorio raíz o dentro de un directorio.
-
-Puedes cambiar el nombre del directorio `template` y `pages`. Ejemplo en la
-siguiente sección.
-
-```
-template/
-├── pages/
-│   └── page.html
-├── base.html
-└── fragment.html
-```
-
-```go
-import (
-    "github.com/zepyrshut/gorender"
-)
-
-func main() {
-    ren := gorender.New()
-
-    // ...
-
-    td := &gorender.TemplateData{}
-    ren.Template(w, r, "index.html", td)
-
-    // ...
-}
-```
-
-## Personalización
-
-> Recuerda que si habilitas el caché, no podrás ver los cambios que realices
-> durante el desarrollo.
-
-```go
-func dummyFunc() string {
-	return "dummy"
-}
-
-func main() {
-
-    customFuncs := template.FuncMap{
-		"dummyFunc": dummyFunc,
-	}
-
-    renderOpts := &gorender.Render{
-		EnableCache:       true,
-		TemplatesPath:     "template/path",
-		PageTemplatesPath: "template/path/pages",
-		Functions:         customFuncs,
-	}
-
-    ren := gorender.New(gorender.WithRenderOptions(renderOpts))
-
-    // ...
-
-    td := &gorender.TemplateData{}
-    ren.Template(w, r, "index.html", td)
-
-    // ...
-}
-```
-## Agradecimientos
-
-- [Protección CSRF justinas/nosurf](https://github.com/justinas/nosurf)
-- [Valicación go-playground/validator](https://github.com/go-playground/validator)
-
-## Descargo de responsabilidad
-
-Esta librería fue creada para usar las plantillas en mis proyectos privados, es 
-posible que también solucione tu problema. Sin embargo, no ofrezco ninguna 
-garantía de que funcione para todos los casos de uso, tenga el máximo
-rendimiento o esté libre de errores.
-
-Si decides integrarla en tu proyecto, te recomiendo que la pruebes para 
-asegurarte de que cumple con tus expectativas y requisitos.
-
-Si encuentras problemas o tienes sugerencias de mejora, puedes colocar tus 
-aportaciones a través de _issues_ o _pull requests_ en el repositorio. Estaré 
-encantado de ayudarte.
-
-

gorender/form.go

@@ -1,95 +0,0 @@
-package gorender
-
-import (
-	"strings"
-
-	spanish "github.com/go-playground/locales/es"
-	ut "github.com/go-playground/universal-translator"
-	"github.com/go-playground/validator/v10"
-	esTranslations "github.com/go-playground/validator/v10/translations/es"
-)
-
-type FormData struct {
-	HasErrors bool
-	Errors    map[string]string
-	Values    map[string]string
-}
-
-func NewForm() FormData {
-	return FormData{
-		HasErrors: false,
-		Errors:    map[string]string{},
-		Values:    map[string]string{},
-	}
-}
-
-// AddError añade errores a la estructura FormData, es un mapa cuya clave es una
-// cadena de carecteres. Hay que tener en cuenta que cuando se hace una
-// validación, se llama a esta función cuya clave es el nombre del campo con lo
-// cual si hay más de un error de validación se sobreescriben el anterior y sólo
-// se muestra el último error.
-func (fd *FormData) AddError(field, message string) {
-	fd.HasErrors = true
-	fd.Errors[field] = message
-}
-
-func (fd *FormData) AddValue(field, value string) {
-	fd.Values[field] = value
-}
-
-type ValidationError struct {
-	Field  string
-	Reason string
-}
-
-func (fd *FormData) ValidateStruct(s interface{}) (map[string]string, error) {
-	spanishTranslator := spanish.New()
-	uni := ut.New(spanishTranslator, spanishTranslator)
-	trans, _ := uni.GetTranslator("es")
-	validate := validator.New()
-	_ = esTranslations.RegisterDefaultTranslations(validate, trans)
-	errors := make(map[string]string)
-	var validationErrors []ValidationError
-
-	err := validate.Struct(s)
-	if err != nil {
-		if _, ok := err.(*validator.InvalidValidationError); ok {
-			fd.AddError("form-error", "Error de validación de datos.")
-			return errors, err
-		}
-
-		for _, err := range err.(validator.ValidationErrors) {
-			fieldName, _ := trans.T(err.Field())
-			message := strings.Replace(err.Translate(trans), err.Field(), fieldName, -1)
-
-			validationErrors = append(validationErrors, ValidationError{
-				Field:  strings.ToLower(err.Field()),
-				Reason: correctMessage(message),
-			})
-		}
-
-		for _, err := range validationErrors {
-			errors[err.Field] = err.Reason
-		}
-
-		if len(errors) > 0 {
-			fd.Errors = errors
-			fd.HasErrors = true
-		}
-
-		return errors, err
-	}
-
-	return errors, nil
-}
-
-func correctMessage(s string) string {
-	s = strings.TrimSpace(s)
-	runes := []rune(s)
-	runes[0] = []rune(strings.ToUpper(string(runes[0])))[0]
-	if runes[len(runes)-1] != '.' {
-		runes = append(runes, '.')
-	}
-
-	return string(runes)
-}

gorender/functions.go

@@ -1,71 +0,0 @@
-package gorender
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-	"strings"
-)
-
-func or(a, b string) bool {
-	if a == "" && b == "" {
-		return false
-	}
-	return true
-}
-
-// containsErrors hace una función similar a "{{ with index ... }}" con el
-// añadido de que puede pasarle más de un argumento y comprobar si alguno de
-// ellos está en el mapa de errores.
-//
-// Ejemplo:
-//
-//	{{ if containsErrors .FormData.Errors "name" "email" }}
-//	 {{index .FormData.Errors "name" }}
-//	 {{index .FormData.Errors "email" }}
-//	{{ end }}
-func containsErrors(errors map[string]string, names ...string) bool {
-	for _, name := range names {
-		if _, ok := errors[name]; ok {
-			return true
-		}
-	}
-	return false
-}
-
-func loadTranslations(language string) map[string]string {
-	translations := make(map[string]string)
-	filePath := fmt.Sprintf("%s.translate", language)
-	file, err := os.Open(filePath)
-	if err != nil {
-		fmt.Println("Error opening translation file:", err)
-		return translations
-	}
-	defer file.Close()
-
-	scanner := bufio.NewScanner(file)
-	for scanner.Scan() {
-		line := scanner.Text()
-		parts := strings.Split(line, "=")
-		if len(parts) == 2 {
-			key := strings.TrimSpace(parts[0])
-			value := strings.TrimSpace(parts[1])
-			translations[key] = value
-		}
-	}
-
-	if err := scanner.Err(); err != nil {
-		fmt.Println("Error reading translation file:", err)
-	}
-
-	return translations
-}
-
-func translateKey(key string) string {
-	translations := loadTranslations("es_ES")
-	translated := translations[key]
-	if translated != "" {
-		return translated
-	}
-	return key
-}

gorender/pages.go

@@ -1,153 +0,0 @@
-package gorender
-
-import (
-	"net/http"
-	"strconv"
-)
-
-// Pages contiene la información de paginación.
-type Pages struct {
-	// totalElements son la cantidad de elementos totales a paginar. Pueden ser
-	// total de filas o total de páginas de blog.
-	totalElements int
-	// showElements muestra la cantidad máxima de elementos a mostrar en una
-	// página.
-	showElements int
-	// currentPage es la página actual, utilizado como ayuda para mostrar la
-	// página activa.
-	currentPage int
-}
-
-// Page contiene la información de una página.
-type Page struct {
-	// number es el número de página.
-	number int
-	// active es un dato lógico que indica si la página es la actual.
-	active bool
-}
-
-// NewPages crea un nuevo objeto para paginación.
-func NewPages(totalElements, showElements, currentPage int) Pages {
-	if showElements <= 0 {
-		showElements = 1
-	}
-	if currentPage <= 0 {
-		currentPage = 1
-	}
-	p := Pages{totalElements, showElements, currentPage}
-	if p.currentPage > p.TotalPages() {
-		p.currentPage = p.TotalPages()
-	}
-
-	return p
-}
-
-// Limit devuelve la cantidad de elementos máximos a mostrar por página.
-func (p *Pages) Limit() int {
-	return p.showElements
-}
-
-// TotalPages devuelve la cantidad total de páginas.
-func (p *Pages) TotalPages() int {
-	return (p.totalElements + p.showElements - 1) / p.showElements
-}
-
-// IsFirst indica si la página actual es la primera.
-func (p *Pages) IsFirst() bool {
-	return p.currentPage == 1
-}
-
-// IsLast indica si la página actual es la última.
-func (p *Pages) IsLast() bool {
-	return p.currentPage == p.TotalPages()
-}
-
-// HasPrevious indica si hay una página anterior.
-func (p *Pages) HasPrevious() bool {
-	return p.currentPage > 1
-}
-
-// HasNext indica si hay una página siguiente.
-func (p *Pages) HasNext() bool {
-	return p.currentPage < p.TotalPages()
-}
-
-// Previous devuelve el número de la página anterior.
-func (p *Pages) Previous() int {
-	return p.currentPage - 1
-}
-
-// Next devuelve el número de la página siguiente.
-func (p *Pages) Next() int {
-	return p.currentPage + 1
-}
-
-func (p *Page) NumberOfPage() int {
-	return p.number
-}
-
-// IsActive indica si la página es la actual.
-func (p *Page) IsActive() bool {
-	return p.active
-}
-
-// Pages devuelve un arreglo de páginas para mostrar en la paginación. El
-// parametro pagesShow indica la cantidad de páginas a mostrar, asignable desde
-// la plantilla.
-func (p *Pages) Pages(pagesShow int) []*Page {
-	var pages []*Page
-	startPage := p.currentPage - (pagesShow / 2)
-	endPage := p.currentPage + (pagesShow/2 - 1)
-
-	if startPage < 1 {
-		startPage = 1
-		endPage = pagesShow
-	}
-
-	if endPage > p.TotalPages() {
-		endPage = p.TotalPages()
-		startPage = p.TotalPages() - pagesShow + 1
-		if startPage < 1 {
-			startPage = 1
-		}
-	}
-
-	for i := startPage; i <= endPage; i++ {
-		pages = append(pages, &Page{i, i == p.currentPage})
-	}
-	return pages
-}
-
-func PaginateArray[T any](items []T, currentPage, itemsPerPage int) []T {
-	totalItems := len(items)
-
-	startIndex := (currentPage - 1) * itemsPerPage
-	endIndex := startIndex + itemsPerPage
-
-	if startIndex > totalItems {
-		startIndex = totalItems
-	}
-	if endIndex > totalItems {
-		endIndex = totalItems
-	}
-
-	return items[startIndex:endIndex]
-}
-
-func PaginationParams(r *http.Request) (int, int, int) {
-	limit := r.FormValue("limit")
-	if limit == "" {
-		limit = "50"
-	}
-	page := r.FormValue("page")
-	if page == "" || page == "0" {
-		page = "1"
-	}
-
-	limitInt, _ := strconv.Atoi(limit)
-	pageInt, _ := strconv.Atoi(page)
-	offset := (pageInt - 1) * limitInt
-	actualPage := offset/limitInt + 1
-
-	return limitInt, offset, actualPage
-}

gorender/render.go

@@ -1,182 +0,0 @@
-package gorender
-
-import (
-	"bytes"
-	"errors"
-	"html/template"
-	"io/fs"
-	"log/slog"
-	"net/http"
-	"path/filepath"
-
-	"github.com/justinas/nosurf"
-)
-
-type TemplateCache map[string]*template.Template
-
-type Render struct {
-	EnableCache bool
-	// TemplatesPath es la ruta donde se encuentran las plantillas de la
-	// aplicación, pueden ser bases, fragmentos o ambos. Lo que quieras.
-	TemplatesPath string
-	// PageTemplatesPath es la ruta donde se encuentran las plantillas de las
-	// páginas de la aplicación. Estas son las que van a ser llamadas para
-	// mostrar en pantalla.
-	PageTemplatesPath string
-	TemplateCache     TemplateCache
-	Functions         template.FuncMap
-}
-
-type OptionFunc func(*Render)
-
-type TemplateData struct {
-	Data map[string]interface{}
-	// SessionData contiene los datos de la sesión del usuario.
-	SessionData interface{}
-	// FeedbackData tiene como función mostrar los mensajes habituales de
-	// información, advertencia, éxito y error. No va implícitamente relacionado
-	// con los errores de validación de formularios pero pueden ser usados para
-	// ello.
-	FeedbackData map[string]string
-	// FormData es una estructura que contiene los errores de validación de los
-	// formularios además de los valores que se han introducido en los campos.
-	FormData  FormData
-	CSRFToken string
-	Page      Pages
-}
-
-func WithRenderOptions(opts *Render) OptionFunc {
-	return func(re *Render) {
-		re.TemplatesPath = opts.TemplatesPath
-		re.PageTemplatesPath = opts.PageTemplatesPath
-
-		if opts.Functions != nil {
-			for k, v := range opts.Functions {
-				re.Functions[k] = v
-			}
-		}
-
-		if opts.EnableCache {
-			re.EnableCache = opts.EnableCache
-			re.TemplateCache, _ = re.createTemplateCache()
-		}
-	}
-}
-
-func New(opts ...OptionFunc) *Render {
-	functions := template.FuncMap{
-		"translateKey":   translateKey,
-		"or":             or,
-		"containsErrors": containsErrors,
-	}
-
-	config := &Render{
-		EnableCache:       false,
-		TemplatesPath:     "templates",
-		PageTemplatesPath: "templates/pages",
-		TemplateCache:     TemplateCache{},
-		Functions:         functions,
-	}
-
-	return config.apply(opts...)
-}
-
-func (re *Render) apply(opts ...OptionFunc) *Render {
-	for _, opt := range opts {
-		opt(re)
-	}
-
-	return re
-}
-
-func addDefaultData(td *TemplateData, r *http.Request) *TemplateData {
-	td.CSRFToken = nosurf.Token(r)
-	return td
-}
-
-func (re *Render) Template(w http.ResponseWriter, r *http.Request, tmpl string, td *TemplateData) error {
-	var tc TemplateCache
-	var err error
-
-	if re.EnableCache {
-		tc = re.TemplateCache
-	} else {
-		tc, err = re.createTemplateCache()
-		if err != nil {
-			slog.Error("error creating template cache:", "error", err)
-			return err
-		}
-	}
-
-	t, ok := tc[tmpl]
-	if !ok {
-		return errors.New("can't get template from cache")
-	}
-
-	buf := new(bytes.Buffer)
-	td = addDefaultData(td, r)
-	err = t.Execute(buf, td)
-	if err != nil {
-		slog.Error("error executing template:", "error", err)
-		return err
-	}
-
-	_, err = buf.WriteTo(w)
-	if err != nil {
-		slog.Error("error writing template to browser:", "error", err)
-	}
-
-	return nil
-}
-
-func findHTMLFiles(root string) ([]string, error) {
-	var files []string
-
-	err := filepath.WalkDir(root, func(path string, d fs.DirEntry, err error) error {
-		if err != nil {
-			return err
-		}
-
-		if !d.IsDir() && filepath.Ext(path) == ".html" {
-			files = append(files, path)
-		}
-
-		return nil
-	})
-
-	if err != nil {
-		return nil, err
-	}
-
-	return files, nil
-}
-
-func (re *Render) createTemplateCache() (TemplateCache, error) {
-	myCache := TemplateCache{}
-
-	pagesTemplates, err := findHTMLFiles(re.PageTemplatesPath)
-	if err != nil {
-		return myCache, err
-	}
-
-	files, err := findHTMLFiles(re.TemplatesPath)
-	if err != nil {
-		return myCache, err
-	}
-
-	for function := range re.Functions {
-		slog.Info("function found", "function", function)
-	}
-
-	for _, file := range pagesTemplates {
-		name := filepath.Base(file)
-		ts, err := template.New(name).Funcs(re.Functions).ParseFiles(append(files, file)...)
-		if err != nil {
-			return myCache, err
-		}
-
-		myCache[name] = ts
-	}
-
-	return myCache, nil
-}

middleware/middelware_test.go

@@ -1,42 +0,0 @@
-package middleware
-
-import (
-	"gopher-toolbox/token"
-	"net/http/httptest"
-	"testing"
-
-	"github.com/gin-gonic/gin"
-
-	"github.com/stretchr/testify/require"
-)
-
-func Test_authMiddleware(t *testing.T) {
-
-	w := httptest.NewRecorder()
-	c, _ := gin.CreateTestContext(w)
-
-	paseto := token.New()
-	user := token.UserPayload{
-		Username: "test",
-		// Permissions: map[string]bool{
-		// 	"view_customer": true,
-		// },
-	}
-	publicToken, error := paseto.Create(user)
-	require.NoError(t, error)
-	payload, error := paseto.Verify(publicToken)
-	require.NoError(t, error)
-
-	c.Request = httptest.NewRequest("GET", "/", nil)
-	c.Request.Header.Set("Authorization", "Bearer "+publicToken)
-
-	authorizationHeader := c.GetHeader("Authorization")
-	require.Equal(t, "Bearer "+publicToken, authorizationHeader)
-
-	authMW := AuthMiddleware(paseto)
-	authMW(c)
-
-	payloadFromMW, exists := c.Get("payload")
-	require.True(t, exists)
-	require.Equal(t, payload, payloadFromMW)
-}

middleware/middleware.go

@@ -1,77 +0,0 @@
-package middleware
-
-import (
-	"context"
-	"gopher-toolbox/token"
-	"log/slog"
-	"net/http"
-	"strings"
-
-	"github.com/gin-gonic/gin"
-	"github.com/google/uuid"
-)
-
-func AuthMiddleware(token *token.Paseto) gin.HandlerFunc {
-	return func(c *gin.Context) {
-		authorizationHeader := c.GetHeader("Authorization")
-		if len(authorizationHeader) == 0 {
-			slog.Error("authorization header is required")
-			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "authorization_header_required"})
-			return
-		}
-
-		fields := strings.Fields(authorizationHeader)
-		if len(fields) != 2 || fields[0] != "Bearer" {
-			slog.Error("invalid authorization header")
-			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "invalid_authorization_header"})
-			return
-		}
-
-		accessToken := fields[1]
-		payload, err := token.Verify(accessToken)
-		if err != nil {
-			slog.Error("error verifying token", "error", err.Error())
-			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "invalid_signature"})
-			return
-		}
-
-		c.Set("payload", payload)
-		c.Next()
-	}
-}
-
-func PermissionMiddleware(requiredPermissions ...string) gin.HandlerFunc {
-	return func(c *gin.Context) {
-		// payloadInterface, exists := c.Get("payload")
-		// if !exists {
-		// 	c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "authentication required"})
-		// 	return
-		// }
-
-		// payload, ok := payloadInterface.(*token.Payload)
-		// if !ok {
-		// 	c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": "invalid payload type"})
-		// 	return
-		// }
-
-		// for _, requiredPermission := range requiredPermissions {
-		// 	hasPermission, exists := payload.User.Permissions[requiredPermission]
-		// 	if !exists || !hasPermission {
-		// 		c.AbortWithStatusJSON(http.StatusForbidden, gin.H{"error": fmt.Sprintf("Permission '%s' required", requiredPermission)})
-		// 		return
-		// 	}
-		// }
-
-		c.Next()
-	}
-}
-
-func RequestIDMiddleware() gin.HandlerFunc {
-	return func(c *gin.Context) {
-		requestID := uuid.New().String()
-		ctx := context.WithValue(c.Request.Context(), "request_id", requestID)
-		c.Request = c.Request.WithContext(ctx)
-		c.Writer.Header().Set("X-Request-ID", requestID)
-		c.Next()
-	}
-}

testutils/testutils.go

@@ -1,55 +0,0 @@
-package testutils
-
-import (
-	"bytes"
-	"encoding/json"
-	"net/http"
-)
-
-func NewHTTPRequestJSON(method, url string, body interface{}, queryParams map[string]string) (*http.Request, error) {
-	bodyBytes, err := json.Marshal(body)
-	if err != nil {
-		return nil, err
-	}
-
-	request, err := http.NewRequest(method, url, bytes.NewReader(bodyBytes))
-	if err != nil {
-		return nil, err
-	}
-	request.Header.Set("Content-Type", "application/json")
-
-	if len(queryParams) > 0 {
-		query := request.URL.Query()
-		for k, v := range queryParams {
-			query.Add(k, v)
-		}
-		request.URL.RawQuery = query.Encode()
-	}
-
-	return request, nil
-}
-
-func NewHTTPRequest(method, url string, params map[string]string) (*http.Request, error) {
-	request, err := http.NewRequest(method, url, nil)
-	if err != nil {
-		return nil, err
-	}
-
-	if len(params) > 0 {
-		query := request.URL.Query()
-		for k, v := range params {
-			query.Add(k, v)
-		}
-		request.URL.RawQuery = query.Encode()
-	}
-
-	return request, nil
-}
-
-func Decode(input interface{}, output interface{}) error {
-	bytes, err := json.Marshal(input)
-	if err != nil {
-		return err
-	}
-	return json.Unmarshal(bytes, output)
-}

token/token.go

@@ -1,67 +0,0 @@
-package token
-
-import (
-	"crypto/ed25519"
-	"time"
-
-	"github.com/google/uuid"
-	"github.com/o1egl/paseto"
-)
-
-type UserPayload struct {
-	Username string `json:"username"`
-	// TODO: Add permissions
-}
-
-type Payload struct {
-	UUID      uuid.UUID   `json:"token_uuid"`
-	User      UserPayload `json:"user"`
-	IssuedAt  time.Time   `json:"issued_at"`
-	ExpiredAt time.Time   `json:"expired_at"`
-}
-
-type Paseto struct {
-	paseto     *paseto.V2
-	publicKey  ed25519.PublicKey
-	privateKey ed25519.PrivateKey
-}
-
-func New() *Paseto {
-	publicKey, privateKey, _ := ed25519.GenerateKey(nil)
-	return &Paseto{
-		paseto:     paseto.NewV2(),
-		publicKey:  publicKey,
-		privateKey: privateKey,
-	}
-}
-
-func NewPayload(user UserPayload) *Payload {
-	// TODO: add documentation and advert to developers: tokenID != user.UUID
-	tokenID, err := uuid.NewRandom()
-	if err != nil {
-		return NewPayload(user)
-	}
-
-	payload := &Payload{
-		UUID:      tokenID,
-		User:      user,
-		IssuedAt:  time.Now(),
-		ExpiredAt: time.Now().Add(time.Hour * 24 * 7),
-	}
-
-	return payload
-}
-
-func (m *Paseto) Create(user UserPayload) (string, error) {
-	return m.paseto.Sign(m.privateKey, NewPayload(user), nil)
-}
-
-func (m *Paseto) Verify(token string) (*Payload, error) {
-	var payload Payload
-	err := m.paseto.Verify(token, m.publicKey, &payload, nil)
-	if err != nil {
-		return nil, err
-	}
-
-	return &payload, nil
-}

token/token_test.go

@@ -1,62 +0,0 @@
-package token
-
-import (
-	"testing"
-
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/require"
-	"github.com/zepyrshut/esfaker"
-)
-
-func Test_New(t *testing.T) {
-	paseto := New()
-
-	require.NotNil(t, paseto.paseto)
-	require.NotNil(t, paseto.privateKey)
-	require.NotNil(t, paseto.publicKey)
-}
-
-func Test_NewPayload(t *testing.T) {
-	user := createRandomUser()
-	payload := NewPayload(user)
-
-	require.True(t, isValidUUID(payload.UUID))
-	require.Equal(t, user, payload.User)
-}
-
-func Test_CreateToken(t *testing.T) {
-	token := New()
-	user := createRandomUser()
-	signature, err := token.Create(user)
-
-	require.Nil(t, err)
-	require.NotEmpty(t, signature)
-}
-
-func Test_VerifyToken(t *testing.T) {
-	token := New()
-	user := createRandomUser()
-	signature, _ := token.Create(user)
-	payload, err := token.Verify(signature)
-
-	require.Nil(t, err)
-	require.Equal(t, user, payload.User)
-}
-
-func Test_VerifyToken_InvalidToken(t *testing.T) {
-	token := New()
-	_, err := token.Verify("invalid-token")
-
-	require.NotNil(t, err)
-}
-
-func isValidUUID(u uuid.UUID) bool {
-	_, err := uuid.Parse(u.String())
-	return err == nil
-}
-
-func createRandomUser() UserPayload {
-	return UserPayload{
-		Username: esfaker.Chars(5, 10),
-	}
-}

utils/utils.go

@@ -3,7 +3,14 @@ package utils
 import (
 	"fmt"
 	"log/slog"
+	"regexp"
+	"strings"
 	"time"
+	"unicode"
+
+	"golang.org/x/text/runes"
+	"golang.org/x/text/transform"
+	"golang.org/x/text/unicode/norm"
 )
 
 func CorrectTimezone(timeStamp time.Time) time.Time {
@@ -26,3 +33,31 @@ func GetBoolFromString(s string) bool {
 	}
 	return false
 }
+
+func Slugify(s string) string {
+	s = strings.ToLower(s)
+
+	t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
+	s, _, _ = transform.String(t, s)
+
+	s = strings.ReplaceAll(s, " ", "-")
+
+	var b strings.Builder
+	for _, r := range s {
+		if (r >= 'a' && r <= 'z') || (r >= '0' && r <= '9') || r == '-' {
+			b.WriteRune(r)
+		}
+	}
+	s = b.String()
+
+	re := regexp.MustCompile(`-+`)
+	s = re.ReplaceAllString(s, "-")
+
+	s = strings.Trim(s, "-")
+
+	return s
+}
+
+func isMn(r rune) bool {
+	return unicode.Is(unicode.Mn, r)
+}