Add func read and write to JSON

.gitignore

@@ -1 +1,2 @@
 go-demo/app-1
+go-demo-4/data.json

go-demo-4/.gitignore

@@ -0,0 +1 @@
+./data.json

go-demo-4/account/account.go

@@ -1,14 +1,12 @@
 package account
 
 import (
-	"encoding/json"
 	"errors"
 	"fmt"
+	"github.com/fatih/color"
 	"math/rand/v2"
 	"net/url"
 	"time"
-
-	"github.com/fatih/color"
 )
 
 var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGIJKLMNOPQRSTUVWXYZ1234567890-*!?()#$%&")
@@ -22,17 +20,9 @@ type Account struct {
 }
 
 // метод вывода пароля
-func (acc *Account) OutputPassword() {
+func (acc *Account) Output() {
 	c := color.New(color.FgRed, color.Italic, color.Bold)
-	c.Printf("password: %v\n", acc.Password)
-}
-
-func (acc *Account) ToBytes() ([]byte, error) {
-	file, err := json.Marshal(acc)
-	if err != nil {
-		return nil, err
-	}
-	return file, nil
+	c.Printf("password: %v, login: %v, URL: %v\n", acc.Password, acc.Login, acc.Url)
 }
 
 // метод генерации пароля

go-demo-4/account/vault.go

@@ -0,0 +1,64 @@
+package account
+
+import (
+	"encoding/json"
+	"password/files"
+	"strings"
+	"time"
+
+	"github.com/fatih/color"
+)
+
+type Vault struct {
+	Accounts  []Account `json:"accounts"`
+	UpdatedAt time.Time `json:"updatedAt"`
+}
+
+func NewVault() *Vault {
+	file, err := files.FileRead("data.json")
+	if err != nil {
+		return &Vault{
+			Accounts:  []Account{},
+			UpdatedAt: time.Now(),
+		}
+	}
+	var vault Vault
+	err = json.Unmarshal(file, &vault)
+	if err != nil {
+		color.Red("Не удалось разобрать файл data.json")
+		return &Vault{
+			Accounts:  []Account{},
+			UpdatedAt: time.Now(),
+		}
+	}
+	return &vault
+}
+
+func (vault *Vault) AddAccount(acc Account) {
+	vault.Accounts = append(vault.Accounts, acc)
+	vault.UpdatedAt = time.Now()
+	data, err := vault.ToBytes()
+	if err != nil {
+		color.Red("Не удалось преобразовать")
+	}
+	files.FileWrite(data, "data.json")
+}
+
+func (vault *Vault) ToBytes() ([]byte, error) {
+	file, err := json.Marshal(vault)
+	if err != nil {
+		return nil, err
+	}
+	return file, nil
+}
+
+func (vault *Vault) FindAccountsByUrl(url string) []Account {
+	var accounts []Account
+	for _, account := range vault.Accounts {
+		isMatched := strings.Contains(account.Url, url)
+		if isMatched {
+			accounts = append(accounts, account)
+		}
+	}
+	return accounts
+}

go-demo-4/files/files.go

@@ -20,11 +20,10 @@ func FileWrite(content []byte, name string) {
 	fmt.Println("Файл успешно записан")
 }
 
-func FileRead() {
-	data, err := os.ReadFile("test.txt")
+func FileRead(name string) ([]byte, error) {
+	data, err := os.ReadFile(name)
 	if err != nil {
-		fmt.Println(err)
-		return
+		return nil, err
 	}
-	fmt.Println(string(data))
+	return data, nil
 }

go-demo-4/main.go

@@ -3,14 +3,56 @@ package main
 import (
 	"fmt"
 	"password/account"
-	"password/files"
+
+	"github.com/fatih/color"
 )
 
 func main() {
-	createdAccount()
+	fmt.Println("__Менеджер паролей__")
+	vault := account.NewVault()
+Menu:
+	for {
+		variant := getMenu()
+		switch variant {
+		case 1:
+			createAccount(vault)
+		case 2:
+			findAccount(vault)
+		case 3:
+			deleteAccount()
+		default:
+			break Menu
+		}
+	}
 }
 
-func createdAccount() {
+func getMenu() int {
+	var variant int
+	fmt.Println("Выберите вариант:")
+	fmt.Println("1. Создать аккаунт")
+	fmt.Println("2. Найти аккаунт")
+	fmt.Println("3. Удалить аккаунт")
+	fmt.Println("4. Выход")
+	fmt.Scan(&variant)
+	return variant
+}
+
+func findAccount(vault *account.Vault) {
+	url := account.PromptData("Введите URL для поиска: ")
+	accounts := vault.FindAccountsByUrl(url)
+	if len(accounts) == 0 {
+		color.Red("Аккаунт не найден!")
+	}
+	for _, account := range accounts {
+		account.Output()
+	}
+}
+
+func deleteAccount() {
+
+}
+
+func createAccount(vault *account.Vault) {
 	login := account.PromptData("Введите логин: ")
 	password := account.PromptData("Введите пароль: ")
 	url := account.PromptData("Введите URL: ")
@@ -20,10 +62,6 @@ func createdAccount() {
 		fmt.Println("ОШИБКА: Неверный формат URL")
 		return
 	}
-	file, err := myAccount.ToBytes()
-	if err != nil {
-		fmt.Println("Не удалось преобразовать в JSON")
-		return
-	}
-	files.FileWrite(file, "data.json")
+	vault = account.NewVault()
+	vault.AddAccount(*myAccount)
 }