THE LAST ONE BEFORE THE RELEASE
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160
frontend/style/app/profile/register.go
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160
frontend/style/app/profile/register.go
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@@ -0,0 +1,160 @@
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package main
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import (
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"database/sql"
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"os"
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"github.com/gorilla/handlers"
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_ "github.com/mattn/go-sqlite3"
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)
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type User struct {
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ID int `json:"id"`
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Email string `json:"email"`
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Password string `json:"password"`
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}
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var db *sql.DB
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func initDB() {
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var err error
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dbFile := "users.db"
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db, err = sql.Open("sqlite3", dbFile)
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if err != nil {
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log.Fatal("Ошибка подключения к базе данных:", err)
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}
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createTableQuery := `
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CREATE TABLE IF NOT EXISTS users (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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email TEXT NOT NULL UNIQUE,
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password TEXT NOT NULL
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);`
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_, err = db.Exec(createTableQuery)
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if err != nil {
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log.Fatal("Ошибка при создании таблицы:", err)
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}
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fmt.Println("База данных готова к работе.")
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}
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func registerHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("Received request with method: %s", r.Method)
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if r.Method != http.MethodPost {
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http.Error(w, "Метод не поддерживается", http.StatusMethodNotAllowed)
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return
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}
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var user User
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if err := json.NewDecoder(r.Body).Decode(&user); err != nil {
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http.Error(w, "Ошибка обработки JSON", http.StatusBadRequest)
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return
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}
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if user.Email == "" || user.Password == "" {
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http.Error(w, "Email и пароль обязательны", http.StatusBadRequest)
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return
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}
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insertQuery := `INSERT INTO users (email, password) VALUES (?, ?)`
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_, err := db.Exec(insertQuery, user.Email, user.Password)
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if err != nil {
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http.Error(w, "Ошибка записи в базу данных", http.StatusInternalServerError)
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fmt.Println("Ошибка:", err)
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return
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}
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w.WriteHeader(http.StatusCreated)
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json.NewEncoder(w).Encode(map[string]string{"message": "Пользователь успешно зарегистрирован", "email": user.Email})
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}
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func loginHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("Received request with method: %s", r.Method)
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if r.Method != http.MethodPost {
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http.Error(w, "Метод не поддерживается", http.StatusMethodNotAllowed)
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return
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}
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var user User
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if err := json.NewDecoder(r.Body).Decode(&user); err != nil {
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http.Error(w, "Ошибка обработки JSON", http.StatusBadRequest)
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return
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}
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if user.Email == "" || user.Password == "" {
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http.Error(w, "Email и пароль обязательны", http.StatusBadRequest)
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return
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}
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query := `SELECT id, email, password FROM users WHERE email = ? AND password = ?`
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var dbUser User
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err := db.QueryRow(query, user.Email, user.Password).Scan(&dbUser.ID, &dbUser.Email, &dbUser.Password)
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if err != nil {
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if err == sql.ErrNoRows {
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http.Error(w, "Неверные учетные данные", http.StatusUnauthorized)
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} else {
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http.Error(w, "Ошибка при проверке учетных данных", http.StatusInternalServerError)
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}
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return
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}
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(map[string]string{"message": "Вход успешен", "email": dbUser.Email})
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}
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func getUsersHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("Received request with method: %s", r.Method)
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if r.Method != http.MethodGet {
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http.Error(w, "Метод не поддерживается", http.StatusMethodNotAllowed)
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return
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}
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rows, err := db.Query(`SELECT id, email, password FROM users`)
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if err != nil {
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http.Error(w, "Ошибка чтения из базы данных", http.StatusInternalServerError)
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return
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}
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defer rows.Close()
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var users []User
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for rows.Next() {
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var user User
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if err := rows.Scan(&user.ID, &user.Email, &user.Password); err != nil {
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http.Error(w, "Ошибка обработки данных", http.StatusInternalServerError)
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return
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}
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users = append(users, user)
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(users)
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}
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func main() {
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initDB()
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defer db.Close()
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// Setup CORS
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cors := handlers.CORS(
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handlers.AllowedOrigins([]string{"*"}),
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handlers.AllowedMethods([]string{"GET", "POST"}),
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handlers.AllowedHeaders([]string{"Content-Type"}),
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)
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// Register handlers
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http.HandleFunc("/api/register", registerHandler)
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http.HandleFunc("/api/login", loginHandler)
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http.HandleFunc("/api/users", getUsersHandler)
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// Start server with CORS middleware
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port := os.Getenv("PORT")
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if port == "" {
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port = "8080"
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}
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fmt.Println("Go-сервер запущен на порту", port)
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log.Fatal(http.ListenAndServe(":"+port, cors(http.DefaultServeMux)))
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}
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