♻️ Move code from main to module & clean code

.env

@@ -1,7 +1,6 @@
-PLAKKEN_INTERFACE=0.0.0.0
-PLAKKEN_PORT=3000
-PLAKKEN_REDIS_ADDR=localhost:6379
+PLAKKEN_LISTEN=:3000
+PLAKKEN_REDIS_ADDRESS=localhost:6379
 PLAKKEN_REDIS_USER=
 PLAKKEN_REDIS_PASSWORD=
 PLAKKEN_REDIS_DB=0
-PLAKKEN_REDIS_URL_LEN=5
+PLAKKEN_URL_LENGTH=5

.gitignore

@@ -1,3 +1,7 @@
+# IDE specific
+.idea
+.vscode
+
 ### Go ###
 *.exe
 *.exe~

config.go

@@ -1,54 +0,0 @@
-package main
-
-import (
-	"github.com/joho/godotenv"
-	"log"
-	"os"
-	"strconv"
-)
-
-type Config struct {
-	host          string
-	port          string
-	redisAddr     string
-	redisUser     string
-	redisPassword string
-	redisDB       int
-	urlLength     int
-}
-
-func GetConfig() Config {
-	err := godotenv.Load()
-	if err != nil {
-		log.Fatalf("Error loading .env file: %v", err)
-	}
-
-	port := os.Getenv("PLAKKEN_PORT")
-	redisAddr := os.Getenv("PLAKKEN_REDIS_ADDR")
-	db := os.Getenv("PLAKKEN_REDIS_DB")
-	uLen := os.Getenv("PLAKKEN_REDIS_URL_LEN")
-
-	if port == "" || redisAddr == "" {
-		log.Fatal("Missing or invalid PLAKKEN_PORT or PLAKKEN_REDIS_ADDR")
-	}
-
-	redisDB, err := strconv.Atoi(db)
-	if err != nil {
-		log.Fatal("Invalid PLAKKEN_REDIS_DB")
-	}
-
-	urlLen, err := strconv.Atoi(uLen)
-	if err != nil {
-		log.Fatal("Invalid PLAKKEN_REDIS_URL_LEN")
-	}
-
-	return Config{
-		host:          os.Getenv("PLAKKEN_INTERFACE"),
-		port:          port,
-		redisAddr:     redisAddr,
-		redisUser:     os.Getenv("PLAKKEN_REDIS_USER"),
-		redisPassword: os.Getenv("PLAKKEN_REDIS_PASSWORD"),
-		redisDB:       redisDB,
-		urlLength:     urlLen,
-	}
-}

db.go

@@ -1,49 +0,0 @@
-package main
-
-import (
-	"context"
-	"log"
-	"time"
-
-	"github.com/redis/go-redis/v9"
-)
-
-var ctx = context.Background()
-
-func ConnectDB() *redis.Client {
-	localDb := redis.NewClient(&redis.Options{
-		Addr:     currentConfig.redisAddr,
-		Username: currentConfig.redisUser,
-		Password: currentConfig.redisPassword,
-		DB:       currentConfig.redisDB,
-	})
-	return localDb
-}
-
-func insertPaste(key string, content string, secret string, ttl time.Duration) {
-	type dbSchema struct {
-		content string
-		secret  string
-	}
-
-	hash := dbSchema{
-		content: content,
-		secret:  secret,
-	}
-	err := db.HSet(ctx, key, "content", hash.content)
-	if err != nil {
-		log.Println(err)
-	}
-	err = db.HSet(ctx, key, "secret", hash.secret)
-	if ttl > -1 {
-		db.Expire(ctx, key, ttl)
-	}
-}
-
-func getContent(key string) string {
-	return db.HGet(ctx, key, "content").Val()
-}
-
-func DeleteContent(key string) {
-	db.Del(ctx, key)
-}

go.mod

@@ -1,6 +1,6 @@
-module plakken
+module git.gnous.eu/gnouseu/plakken
 
-go 1.21
+go 1.22
 
 require (
 	github.com/joho/godotenv v1.5.1

internal/config/config.go

@@ -0,0 +1,59 @@
+package config
+
+import (
+	"log"
+	"os"
+	"strconv"
+
+	"github.com/joho/godotenv"
+)
+
+// InitConfig Structure for program initialisation
+type InitConfig struct {
+	ListenAddress string
+	RedisAddress  string
+	RedisUser     string
+	RedisPassword string
+	RedisDB       int
+	UrlLength     uint8
+}
+
+// GetConfig Initialise configuration form .env
+func GetConfig() InitConfig {
+	err := godotenv.Load()
+	if err != nil {
+		log.Fatalf("Error loading .env file: %v", err)
+	}
+
+	listenAddress := os.Getenv("PLAKKEN_LISTEN")
+	redisAddress := os.Getenv("PLAKKEN_REDIS_ADDRESS")
+	db := os.Getenv("PLAKKEN_REDIS_DB")
+	uLen := os.Getenv("PLAKKEN_URL_LENGTH")
+
+	if listenAddress == "" || redisAddress == "" {
+		log.Fatal("Missing or invalid listenAddress or PLAKKEN_REDIS_ADDRESS")
+	}
+
+	redisDB, err := strconv.Atoi(db)
+	if err != nil {
+		log.Fatal("Invalid PLAKKEN_REDIS_DB")
+	}
+
+	urlLength, err := strconv.Atoi(uLen)
+	if err != nil {
+		log.Fatal("Invalid PLAKKEN_URL_LENGTH")
+	}
+
+	if urlLength > 255 {
+		log.Fatal("PLAKKEN_URL_LENGTH cannot be greater than 255")
+	}
+
+	return InitConfig{
+		ListenAddress: listenAddress,
+		RedisAddress:  redisAddress,
+		RedisUser:     os.Getenv("PLAKKEN_REDIS_USER"),
+		RedisPassword: os.Getenv("PLAKKEN_REDIS_PASSWORD"),
+		RedisDB:       redisDB,
+		UrlLength:     uint8(urlLength),
+	}
+}

internal/constant/constants.go

@@ -0,0 +1,7 @@
+package constant
+
+import "time"
+
+const (
+	HTTPTimeout = 3 * time.Second
+)

internal/database/db.go

@@ -0,0 +1,64 @@
+package database
+
+import (
+	"context"
+	"log"
+	"time"
+
+	"github.com/redis/go-redis/v9"
+)
+
+type DBConfig struct {
+	DB *redis.Client
+}
+
+var ctx = context.Background()
+
+// InitDB initialise redis connection settings
+func InitDB(addr string, user string, password string, db int) *redis.Options {
+	DBConfig := &redis.Options{
+		Addr:     addr,
+		Username: user,
+		Password: password,
+		DB:       db,
+	}
+
+	return DBConfig
+}
+
+// ConnectDB make new database connection
+func ConnectDB(dbConfig *redis.Options) *redis.Client {
+	localDb := redis.NewClient(dbConfig)
+	return localDb
+}
+
+func (config DBConfig) InsertPaste(key string, content string, secret string, ttl time.Duration) {
+	type dbSchema struct {
+		content string
+		secret  string
+	}
+
+	hash := dbSchema{
+		content: content,
+		secret:  secret,
+	}
+	err := config.DB.HSet(ctx, key, "content", hash.content).Err()
+	if err != nil {
+		log.Println(err)
+	}
+	err = config.DB.HSet(ctx, key, "secret", hash.secret).Err()
+	if err != nil {
+		log.Println(err)
+	}
+	if ttl > -1 {
+		config.DB.Expire(ctx, key, ttl)
+	}
+}
+
+func (config DBConfig) UrlExist(url string) bool {
+	return config.DB.Exists(ctx, url).Val() == 1
+}
+
+func (config DBConfig) VerifySecret(url string, secret string) bool {
+	return secret == config.DB.HGet(ctx, url, "secret").Val()
+}

internal/httpServer/server.go

@@ -0,0 +1,51 @@
+package httpServer
+
+import (
+	"log"
+	"net/http"
+
+	"git.gnous.eu/gnouseu/plakken/internal/constant"
+	"git.gnous.eu/gnouseu/plakken/internal/web/plak"
+	"git.gnous.eu/gnouseu/plakken/internal/web/static"
+	"github.com/redis/go-redis/v9"
+)
+
+type ServerConfig struct {
+	HTTPServer *http.Server
+	UrlLength  uint8
+	DB         *redis.Client
+}
+
+// Configure HTTP router
+func (config ServerConfig) router(_ http.ResponseWriter, _ *http.Request) {
+	WebConfig := plak.WebConfig{
+		DB:        config.DB,
+		UrlLength: config.UrlLength,
+	}
+
+	http.HandleFunc("GET /{$}", static.Home)
+	http.HandleFunc("GET /{key}/{settings...}", WebConfig.View)
+	http.HandleFunc("GET /static/{file}", static.ServeStatic)
+	http.HandleFunc("POST /{$}", WebConfig.Create)
+	http.HandleFunc("DELETE /{key}", WebConfig.Delete)
+}
+
+// Config Configure HTTP server
+func Config(listenAddress string) *http.Server {
+	server := &http.Server{
+		Addr:         listenAddress,
+		ReadTimeout:  constant.HTTPTimeout,
+		WriteTimeout: constant.HTTPTimeout,
+	}
+
+	return server
+}
+
+// Server Start HTTP server
+func (config ServerConfig) Server() {
+	log.Println("Listening on " + config.HTTPServer.Addr)
+
+	http.HandleFunc("/", config.router)
+
+	log.Fatal(config.HTTPServer.ListenAndServe())
+}

internal/utils/error.go

@@ -0,0 +1,17 @@
+package utils
+
+type ParseIntBeforeSeparatorError struct {
+	Message string
+}
+
+func (m *ParseIntBeforeSeparatorError) Error() string {
+	return "parseIntBeforeSeparator: " + m.Message
+}
+
+type ParseExpirationError struct {
+	Message string
+}
+
+func (m *ParseExpirationError) Error() string {
+	return "parseIntBeforeSeparator: " + m.Message
+}

internal/utils/utils.go

@@ -1,18 +1,18 @@
-package main
+package utils
 
 import (
 	"crypto/rand"
 	"encoding/hex"
-	"fmt"
 	"log"
 	mathrand "math/rand"
 	"strconv"
 	"strings"
 )
 
-func GenerateUrl() string {
+// GenerateUrl generate random string for plak url
+func GenerateUrl(length uint8) string {
 	listChars := []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
-	b := make([]rune, currentConfig.urlLength)
+	b := make([]rune, length)
 	for i := range b {
 		b[i] = listChars[mathrand.Intn(len(listChars))]
 	}
@@ -20,6 +20,7 @@ func GenerateUrl() string {
 	return string(b)
 }
 
+// GenerateSecret generate random secret (32 bytes hexadecimal)
 func GenerateSecret() string {
 	key := make([]byte, 32)
 	_, err := rand.Read(key)
@@ -30,62 +31,73 @@ func GenerateSecret() string {
 	return hex.EncodeToString(key)
 }
 
-func UrlExist(url string) bool {
-	return db.Exists(ctx, url).Val() == 1
+// CheckCharRedundant  verify is a character is redundant in a string
+func CheckCharRedundant(source string, char string) bool { // Verify if a char is redundant
+	if strings.Count(source, char) > 1 {
+		return true
+	}
+	return false
 }
 
-func VerifySecret(url string, secret string) bool {
-	return secret == db.HGet(ctx, url, "secret").Val()
-}
-
-func parseIntBeforeSeparator(source *string, sep string) (int, error) { // return -1 if error, only accept positive number
+func parseIntBeforeSeparator(source *string, sep string) (int, error) { // return 0 & error if error, only accept positive number
+	if CheckCharRedundant(*source, sep) {
+		return 0, &ParseIntBeforeSeparatorError{Message: *source + ": cannot parse value as int"}
+	}
 	var value int
 	var err error
 	if strings.Contains(*source, sep) {
 		value, err = strconv.Atoi(strings.Split(*source, sep)[0])
 		if err != nil {
 			log.Println(err)
-			return -1, fmt.Errorf("parseIntBeforeSeparator : \"%s\" : cannot parse value as int", *source)
+			return 0, &ParseIntBeforeSeparatorError{Message: *source + ": cannot parse value as int"}
 		}
 		if value < 0 { // Only positive value is correct
-			return -1, fmt.Errorf("parseIntBeforeSeparator : \"%s\" : format only take positive value", *source)
+			return 0, &ParseIntBeforeSeparatorError{Message: *source + ": format only take positive value"}
 		}
+
+		if value > 99 {
+			return 0, &ParseIntBeforeSeparatorError{Message: *source + ": Format only take two number"}
+		}
+
 		*source = strings.Join(strings.Split(*source, sep)[1:], "")
 	}
 	return value, nil
 }
 
-func ParseExpiration(source string) (int, error) { // return -1 if error
+// ParseExpiration Parse "1d1h1m1s" duration format. Return 0 & error if error
+func ParseExpiration(source string) (int, error) {
 	var expiration int
 	var tempOutput int
 	var err error
-	errMessage := "ParseExpiration : \"%s\" : invalid syntax"
 	if source == "0" {
 		return 0, nil
 	}
+
+	source = strings.ToLower(source)
+
 	tempOutput, err = parseIntBeforeSeparator(&source, "d")
 	expiration = tempOutput * 86400
 	if err != nil {
 		log.Println(err)
-		return -1, fmt.Errorf(errMessage, source)
+		return 0, &ParseExpirationError{Message: "Invalid syntax"}
 	}
 	tempOutput, err = parseIntBeforeSeparator(&source, "h")
 	expiration += tempOutput * 3600
 	if err != nil {
 		log.Println(err)
-		return -1, fmt.Errorf(errMessage, source)
+		return 0, &ParseExpirationError{Message: "Invalid syntax"}
 	}
 	tempOutput, err = parseIntBeforeSeparator(&source, "m")
 	expiration += tempOutput * 60
 	if err != nil {
 		log.Println(err)
-		return -1, fmt.Errorf(errMessage, source)
+		return 0, &ParseExpirationError{Message: "Invalid syntax"}
 	}
 	tempOutput, err = parseIntBeforeSeparator(&source, "s")
 	expiration += tempOutput * 1
 	if err != nil {
 		log.Println(err)
-		return -1, fmt.Errorf(errMessage, source)
+		return 0, &ParseExpirationError{Message: "Invalid syntax"}
 	}
 
 	return expiration, nil

internal/web/plak/error.go

@@ -0,0 +1,10 @@
+package plak
+
+type DeletePlakError struct {
+	Name string
+	Err  error
+}
+
+func (m *DeletePlakError) Error() string {
+	return "Cannot delete: " + m.Name + " : " + m.Err.Error()
+}

internal/web/plak/plak.go

@@ -0,0 +1,134 @@
+package plak
+
+import (
+	"context"
+	"io"
+	"log"
+	"net/http"
+	"time"
+
+	"git.gnous.eu/gnouseu/plakken/internal/database"
+	"git.gnous.eu/gnouseu/plakken/internal/utils"
+	"github.com/redis/go-redis/v9"
+
+	"html/template"
+)
+
+var ctx = context.Background()
+
+type WebConfig struct {
+	DB        *redis.Client
+	UrlLength uint8
+}
+
+// Plak "Object" for plak
+type Plak struct {
+	Key        string
+	Content    string
+	Expiration time.Duration
+	DB         *redis.Client
+}
+
+// Create manage POST request for create Plak
+func (config WebConfig) Create(w http.ResponseWriter, r *http.Request) {
+	content := r.FormValue("content")
+	if content == "" {
+		w.WriteHeader(http.StatusBadRequest)
+	}
+
+	dbConf := database.DBConfig{
+		DB: config.DB,
+	}
+
+	secret := utils.GenerateSecret()
+	key := utils.GenerateUrl(config.UrlLength)
+	rawExpiration := r.FormValue("exp")
+	expiration, err := utils.ParseExpiration(rawExpiration)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+	} else if expiration == 0 {
+		dbConf.InsertPaste(key, content, secret, -1)
+	} else {
+		dbConf.InsertPaste(key, content, secret, time.Duration(expiration*int(time.Second)))
+	}
+
+	http.Redirect(w, r, key, http.StatusSeeOther)
+}
+
+// View for plak
+func (config WebConfig) View(w http.ResponseWriter, r *http.Request) {
+	dbConf := database.DBConfig{
+		DB: config.DB,
+	}
+	var plak Plak
+	key := r.PathValue("key")
+
+	if dbConf.UrlExist(key) {
+		plak = Plak{
+			Key: key,
+			DB:  config.DB,
+		}
+		plak = plak.GetContent()
+		if r.PathValue("settings") == "raw" {
+			w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+			_, err := io.WriteString(w, plak.Content)
+			if err != nil {
+				log.Println(err)
+			}
+		} else {
+			t, err := template.ParseFiles("templates/paste.html")
+			if err != nil {
+				log.Println(err)
+			}
+			err = t.Execute(w, plak)
+			if err != nil {
+				log.Println(err)
+			}
+		}
+	} else {
+		w.WriteHeader(http.StatusNotFound)
+	}
+}
+
+// Delete manage plak deletion endpoint
+func (config WebConfig) Delete(w http.ResponseWriter, r *http.Request) {
+	dbConf := database.DBConfig{
+		DB: config.DB,
+	}
+	key := r.PathValue("key")
+
+	if dbConf.UrlExist(key) {
+		secret := r.URL.Query().Get("secret")
+		if dbConf.VerifySecret(key, secret) {
+			plak := Plak{
+				Key: key,
+				DB:  config.DB,
+			}
+			err := plak.deletePlak()
+			if err != nil {
+				log.Println(err)
+			}
+			w.WriteHeader(http.StatusNoContent)
+		} else {
+			w.WriteHeader(http.StatusForbidden)
+		}
+	}
+	w.WriteHeader(http.StatusNotFound)
+}
+
+// deletePlak Delete plak from database
+func (plak Plak) deletePlak() error {
+	err := plak.DB.Del(ctx, plak.Key).Err()
+	if err != nil {
+		log.Println(err)
+		return &DeletePlakError{Name: plak.Key, Err: err}
+	}
+
+	return nil
+}
+
+// GetContent get plak content
+func (plak Plak) GetContent() Plak {
+	plak.Content = plak.DB.HGet(ctx, plak.Key, "content").Val()
+	return plak
+}

internal/web/static/static.go

@@ -0,0 +1,15 @@
+package static
+
+import (
+	"net/http"
+)
+
+// ServeStatic Serve static file from static
+func ServeStatic(w http.ResponseWriter, r *http.Request) {
+	http.ServeFile(w, r, "./static/"+r.PathValue("file")) // TODO: vérifier si c'est safe
+}
+
+// Home Serve index.html
+func Home(w http.ResponseWriter, r *http.Request) {
+	http.ServeFile(w, r, "./static/index.html")
+}

main.go

@@ -1,111 +1,21 @@
 package main
 
 import (
-	"fmt"
-	"github.com/redis/go-redis/v9"
-	"html/template"
-	"io"
-	"log"
-	"net/http"
-	"strings"
-	"time"
+	"git.gnous.eu/gnouseu/plakken/internal/config"
+	"git.gnous.eu/gnouseu/plakken/internal/database"
+	"git.gnous.eu/gnouseu/plakken/internal/httpServer"
 )
 
-var currentConfig Config
-var db *redis.Client
-
-type pasteView struct {
-	Content string
-	Key     string
-}
-
-func handleRequest(w http.ResponseWriter, r *http.Request) {
-	path := r.URL.Path
-	clearPath := strings.ReplaceAll(r.URL.Path, "/raw", "")
-	staticResource := "/static/"
-	switch r.Method {
-	case "GET":
-		if path == "/" {
-			http.ServeFile(w, r, "./static/index.html")
-
-		} else if strings.HasPrefix(path, staticResource) {
-			fs := http.FileServer(http.Dir("./static"))
-			http.Handle(staticResource, http.StripPrefix(staticResource, fs))
-		} else {
-			if UrlExist(clearPath) {
-				if strings.HasSuffix(path, "/raw") {
-					pasteContent := getContent(clearPath)
-					w.Header().Set("Content-Type", "text/plain; charset=utf-8")
-					_, err := io.WriteString(w, pasteContent)
-					if err != nil {
-						log.Println(err)
-					}
-				} else {
-					pasteContent := getContent(path)
-					s := pasteView{Content: pasteContent, Key: strings.TrimPrefix(path, "/")}
-					t, err := template.ParseFiles("templates/paste.html")
-					if err != nil {
-						log.Println(err)
-					}
-					err = t.Execute(w, s)
-					if err != nil {
-						log.Println(err)
-					}
-				}
-			} else {
-				w.WriteHeader(http.StatusNotFound)
-			}
-		}
-	case "POST":
-		if path == "/" {
-			secret := GenerateSecret()
-			url := "/" + GenerateUrl()
-			content := r.FormValue("content")
-			rawExpiration := r.FormValue("exp")
-			expiration, err := ParseExpiration(rawExpiration)
-			if err != nil {
-				log.Println(err)
-			} else if expiration == 0 {
-				insertPaste(url, content, secret, -1)
-			} else if expiration == -1 {
-				w.WriteHeader(http.StatusBadRequest)
-			} else {
-				insertPaste(url, content, secret, time.Duration(expiration*int(time.Second)))
-			}
-
-			http.Redirect(w, r, url, http.StatusSeeOther)
-		} else {
-			w.WriteHeader(http.StatusMethodNotAllowed)
-		}
-	case "DELETE":
-		if UrlExist(path) {
-			secret := r.URL.Query().Get("secret")
-			if VerifySecret(path, secret) {
-				DeleteContent(path)
-				w.WriteHeader(http.StatusNoContent)
-			} else {
-				w.WriteHeader(http.StatusForbidden)
-			}
-		} else {
-			w.WriteHeader(http.StatusNotFound)
-		}
-	}
-}
-
 func main() {
-	db = ConnectDB()
-	currentConfig = GetConfig()
-	listen := currentConfig.host + ":" + currentConfig.port
-	http.HandleFunc("/", handleRequest)
+	initConfig := config.GetConfig()
+	dbConfig := database.InitDB(initConfig.RedisAddress, initConfig.RedisUser, initConfig.RedisPassword, initConfig.RedisDB)
+	db := database.ConnectDB(dbConfig)
 
-	if currentConfig.host == "" {
-		fmt.Println("Listening on port " + listen)
-	} else {
-		fmt.Println("Listening on " + listen)
+	serverConfig := httpServer.ServerConfig{
+		HTTPServer: httpServer.Config(initConfig.ListenAddress),
+		UrlLength:  initConfig.UrlLength,
+		DB:         db,
 	}
 
-	err := http.ListenAndServe(listen, nil)
-	if err != nil {
-		log.Fatal(err)
-	}
+	serverConfig.Server()
 }

static/index.html

@@ -7,9 +7,8 @@
           name="description">
     <meta content="Plakken" name="author">
     <meta content="width=device-width, initial-scale=1.0" name="viewport">
-    <title>New plak • Plakken</title>
+    <title>New plak • Plakken</title><script async src="/static/app.js"></script>
     <link href="/static/style.css" rel="stylesheet">
-    <script async src="/static/app.js"></script>
 </head>
 <body>
 <form method="post">
@@ -19,43 +18,46 @@
     </div>
     <div>
         <label for="content"></label>
-        <textarea autofocus id="content" name="content" placeholder="Your paste here"></textarea>
+        <textarea autofocus id="content" name="content" placeholder="Type your paste here"></textarea>
         <nav>
             <ul>
                 <li>
-                    <label for="password">Password?</label>
-                    <input id="password" type="text">
+                    <label for="password">
+                        <input id="password" placeholder="Password" type="text">
+                    </label>
                 </li>
-                <li><label for="exp">Expiration?</label>
-                    <input id="exp" name="exp" type="text" placeholder="vide, 0 ou 1d1h1m1s"></li>
                 <li>
-                    <label for="type">Type</label>
-                    <select id="type" name="type">
-                        <option value="auto">Auto Detect</option>
-                        <option value="c">C</option>
-                        <option value="cpp">C++</option>
-                        <option value="csharp">C#</option>
-                        <option value="css">CSS</option>
-                        <option value="go">Go</option>
-                        <option value="java">Java</option>
-                        <option value="js">Javascript</option>
-                        <option value="html">HTML</option>
-                        <option selected value="plain">Plaintext</option>
-                        <option value="python">Python</option>
-                        <option value="rb">Ruby</option>
-                        <option value="rs">Rust</option>
-                        <option value="sh">Shell</option>
-                        <option value="sql">SQL</option>
-                        <option value="ts">Typescript</option>
-                        <option value="xml">XML</option>
-                        <option value="yml">YAML</option>
-                    </select>
+                    <label for="exp">
+                        <input id="exp" name="exp" placeholder="Expiration (1d1h1m1s)" type="text">
+                    </label>
+                </li>
+                <li>
+                    <label for="type">
+                        <select id="type" name="type">
+                            <option value="c">C</option>
+                            <option value="cpp">C++</option>
+                            <option value="csharp">C#</option>
+                            <option value="css">CSS</option>
+                            <option value="go">Go</option>
+                            <option value="java">Java</option>
+                            <option value="js">Javascript</option>
+                            <option value="html">HTML</option>
+                            <option selected value="plain">Plaintext</option>
+                            <option value="python">Python</option>
+                            <option value="rb">Ruby</option>
+                            <option value="rs">Rust</option>
+                            <option value="sh">Shell</option>
+                            <option value="sql">SQL</option>
+                            <option value="ts">Typescript</option>
+                            <option value="xml">XML</option>
+                            <option value="yml">YAML</option>
+                        </select>
+                    </label>
                 </li>
             </ul>
             <button title="Save plak" type="submit">
-                <svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
-                    <polyline points="9 11 12 14 22 4"></polyline>
-                    <path d="M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11"></path>
+                <svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
+                    <path d="M12.736 3.97a.733.733 0 0 1 1.047 0c.286.289.29.756.01 1.05L7.88 12.01a.733.733 0 0 1-1.065.02L3.217 8.384a.757.757 0 0 1 0-1.06.733.733 0 0 1 1.047 0l3.052 3.093 5.4-6.425z"></path>
                 </svg>
             </button>
         </nav>

static/style.css

@@ -1,8 +1,9 @@
 :root {
     --accent: #be0560;
-    --background: #141414;
+    --background: #121212;
     --border: #333;
-    --text: #e9e9e9;
+    --text: #e6e6e6;
+    --placeholder: #666;
 }
 
 body {
@@ -17,6 +18,32 @@ form {
     flex-flow: row wrap;
 }
 
+#lines {
+    color: var(--placeholder);
+    font: 400 14px/1.6 "JetBrains Mono", monospace;
+    height: calc(100vh - 29px);
+    overflow-y: hidden;
+    padding: 8px 0;
+    text-align: center;
+    user-select: none;
+    width: 26px;
+}
+
+input, select {
+    background-color: var(--background);
+    border: 2px solid var(--border);
+    border-radius: 2px;
+    color: var(--text);
+    font-size: 13px;
+    outline: none;
+    padding: 6px 8px;
+    transition: border .15s ease;
+}
+
+input:hover, select:hover {
+    border-color: var(--text);
+}
+
 button, textarea {
     background-color: inherit;
     border: none;
@@ -24,36 +51,20 @@ button, textarea {
     resize: none;
 }
 
-#lines {
-    color: #999;
-    font: 400 14px/1.6 "JetBrains Mono", monospace;
-    height: calc(100vh - 3rem);
-    overflow-y: hidden;
-    padding: 10px 0;
-    text-align: center;
-    user-select: none;
-    width: 26px;
-}
-
 #content {
     color: var(--text);
     font: 400 14px/1.6 "JetBrains Mono", monospace;
-    height: calc(100vh - 3rem);
-    padding: 10px 10px 10px 6px;
-    width: calc(100vw - 42px);
-}
-
-pre {
-    margin: 15px;
+    height: calc(100vh - 29px);
+    padding: 8px;
+    width: calc(100vw - 45px);
 }
 
 nav {
-    align-items: end;
-    bottom: 1rem;
+    top: 1rem;
     display: flex;
     flex-flow: row wrap;
     position: absolute;
-    right: 1rem;
+    right: 12px;
 }
 
 ul {
@@ -65,33 +76,12 @@ ul {
     padding: 0 1.9rem;
 }
 
-label {
-    display: block;
-}
-
-input, select {
-    background-color: var(--background);
-    border: 2px solid var(--border);
-    border-radius: 2px;
-    color: var(--text);
-    font-size: 15px;
-    outline: none;
-    padding: 6px 8px;
-    transition: border .15s ease;
-}
-
-input:hover, select:hover {
-    border-color: var(--text);
-}
-
 svg {
-    fill: none;
-    height: 26px;
-    stroke: var(--text);
-    stroke-width: 2;
-    stroke-linecap: round;
+    cursor: pointer;
+    height: 24px;
+    fill: var(--text);
     transition: .15s ease;
-    width: 26px;
+    width: 24px;
 }
 
 svg:hover {
@@ -102,10 +92,6 @@ input:focus-visible, select:focus-visible {
     border: 2px solid var(--text);
 }
 
-button:focus-visible {
-    outline: none;
-}
-
 ::selection {
     background-color: var(--accent);
     color: #fff;

test/utils/utils_test.go

@@ -0,0 +1,81 @@
+package utils_test
+
+import (
+	"errors"
+	"testing"
+
+	"git.gnous.eu/gnouseu/plakken/internal/utils"
+)
+
+func TestCheckCharNotRedundantTrue(t *testing.T) { // Test CheckCharRedundant with redundant char
+	want := true
+	got := utils.CheckCharRedundant("2d1h3md4h7s", "h")
+	if got != want {
+		t.Fatal("Error in parseExpirationFull, want : ", want, "got : ", got)
+	}
+}
+
+func TestCheckCharNotRedundantFalse(t *testing.T) { // Test CheckCharRedundant with not redundant char
+	want := false
+	got := utils.CheckCharRedundant("2d1h3m47s", "h")
+	if got != want {
+		t.Fatal("Error in parseExpirationFull, want : ", want, "got : ", got)
+	}
+}
+
+func TestParseExpirationFull(t *testing.T) { // test parseExpirationFull with all valid separator
+	result, _ := utils.ParseExpiration("2d1h3m47s")
+	correctValue := 176627
+	if result != correctValue {
+		t.Fatal("Error in parseExpirationFull, want : ", correctValue, "got : ", result)
+	}
+}
+
+func TestParseExpirationMissing(t *testing.T) { // test parseExpirationFull with all valid separator
+	result, _ := utils.ParseExpiration("1h47s")
+	correctValue := 3647
+	if result != correctValue {
+		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
+	}
+}
+
+func TestParseExpirationWithCaps(t *testing.T) { // test parseExpirationFull with all valid separator
+	result, _ := utils.ParseExpiration("2D1h3M47s")
+	correctValue := 176627
+	if result != correctValue {
+		t.Fatal("Error in parseExpirationFull, want : ", correctValue, "got : ", result)
+	}
+}
+
+func TestParseExpirationNull(t *testing.T) { // test ParseExpirationFull with all valid separator
+	result, _ := utils.ParseExpiration("0")
+	correctValue := 0
+	if result != correctValue {
+		t.Fatal("Error in ParseExpirationFull, want: ", correctValue, "got: ", result)
+	}
+}
+
+func TestParseExpirationNegative(t *testing.T) { // test ParseExpirationFull with all valid separator
+	_, got := utils.ParseExpiration("-42h1m4s")
+	want := &utils.ParseExpirationError{}
+	if !errors.As(got, &want) {
+		t.Fatal("Error in ParseExpirationFull, want : ", want, "got : ", got)
+	}
+}
+
+func TestParseExpirationInvalid(t *testing.T) { // test ParseExpirationFull with all valid separator
+	_, got := utils.ParseExpiration("8h42h1m1d4s")
+	want := &utils.ParseExpirationError{}
+	if !errors.As(got, &want) {
+		t.Fatal("Error in ParseExpirationFull, want : ", want, "got : ", got)
+	}
+
+}
+
+func TestParseExpirationInvalidRedundant(t *testing.T) { // test ParseExpirationFull with all valid separator
+	_, got := utils.ParseExpiration("8h42h1m1h4s")
+	want := &utils.ParseExpirationError{}
+	if !errors.As(got, &want) {
+		t.Fatal("Error in ParseExpirationFull, want : ", want, "got : ", got)
+	}
+}

utils_test.go

@@ -1,43 +0,0 @@
-package main
-
-import "testing"
-
-func TestParseExpirationFull(t *testing.T) { // test parseExpirationFull with all valid separator
-	result, _ := ParseExpiration("2d1h3m47s")
-	correctValue := 176627
-	if result != correctValue {
-		t.Fatal("Error in parseExpirationFull, want : ", correctValue, "got : ", result)
-	}
-}
-
-func TestParseExpirationMissing(t *testing.T) { // test parseExpirationFull with all valid separator
-	result, _ := ParseExpiration("1h47s")
-	correctValue := 3647
-	if result != correctValue {
-		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
-	}
-}
-
-func TestParseExpirationNull(t *testing.T) { // test ParseExpirationFull with all valid separator
-	result, _ := ParseExpiration("0")
-	correctValue := 0
-	if result != correctValue {
-		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
-	}
-}
-
-func TestParseExpirationNegative(t *testing.T) { // test ParseExpirationFull with all valid separator
-	result, _ := ParseExpiration("-42h1m4s")
-	correctValue := -1
-	if result != correctValue {
-		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
-	}
-}
-
-func TestParseExpirationInvalid(t *testing.T) { // test ParseExpirationFull with all valid separator
-	result, _ := ParseExpiration("8h42h1m1d4s")
-	correctValue := -1
-	if result != correctValue {
-		t.Fatal("Error in ParseExpirationFull, want : ", correctValue, "got : ", result)
-	}
-}