refactoring db; added email-verification

internal/repositories/user_repository.go

@@ -4,12 +4,18 @@ import (
 	"GoMembership/internal/models"
 	"GoMembership/pkg/errors"
 	"database/sql"
+	"fmt"
+	"strings"
+	"time"
 )
 
 type UserRepository interface {
 	CreateUser(user *models.User) (int64, error)
-	FindUserByID(id int) (*models.User, error)
+	FindUserByID(id int64) (*models.User, error)
 	FindUserByEmail(email string) (*models.User, error)
+	SetVerificationToken(user *models.User, token *string) (int64, error)
+	IsVerified(userID *int64) (bool, error)
+	VerifyUserOfToken(token *string) (int64, error)
 }
 
 type userRepository struct {
@@ -21,8 +27,24 @@ func NewUserRepository(db *sql.DB) UserRepository {
 }
 
 func (repo *userRepository) CreateUser(user *models.User) (int64, error) {
-	query := "INSERT INTO users (first_name, last_name, email, password, salt, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, ?)"
-	result, err := repo.db.Exec(query, user.FirstName, user.LastName, user.Email, user.Password, user.Salt, user.CreatedAt, user.UpdatedAt)
+	query := "INSERT INTO users (first_name, last_name, email, phone, drivers_id_checked, role_id, payment_status, date_of_birth, address, profile_picture, notes, status, password, salt, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"
+	result, err := repo.db.Exec(query,
+		user.FirstName,
+		user.LastName,
+		user.Email,
+		user.Phone,
+		user.DriversIDChecked,
+		user.RoleID,
+		user.PaymentStatus,
+		user.DateOfBirth,
+		user.Address,
+		user.ProfilePicture,
+		user.Notes,
+		user.Status,
+		user.Password,
+		user.Salt,
+		user.CreatedAt,
+		user.UpdatedAt)
 	if err != nil {
 		return -1, err
 	}
@@ -31,14 +53,50 @@ func (repo *userRepository) CreateUser(user *models.User) (int64, error) {
 	if err != nil {
 		return -1, err
 	}
-
 	return lastInsertID, err
 }
 
-func (repo *userRepository) FindUserByID(id int) (*models.User, error) {
+func (repo *userRepository) UpdateUser(userID int64, updates map[string]interface{}) error {
+	if len(updates) == 0 {
+		return errors.ErrNoData
+	}
+
+	// Construct the query
+	setClauses := make([]string, 0, len(updates))
+	args := make([]interface{}, 0, len(updates)+1)
+	for column, value := range updates {
+		setClauses = append(setClauses, fmt.Sprintf("%s = ?", column))
+		args = append(args, value)
+	}
+	args = append(args, userID)
+
+	query := fmt.Sprintf("UPDATE users SET %s WHERE id = ?", strings.Join(setClauses, ", "))
+
+	// Execute the query
+	_, err := repo.db.Exec(query, args...)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (repo *userRepository) FindUserByID(id int64) (*models.User, error) {
 	var user models.User
-	query := "SELECT id, first_name, last_name, email FROM users WHERE id = ?"
-	err := repo.db.QueryRow(query, id).Scan(&user.ID, &user.FirstName, &user.LastName, &user.Email)
+	query := "SELECT id, first_name, last_name, email, phone, drivers_id_checked, role_id, payment_status, date_of_birth, address, profile_picture, notes, status FROM users WHERE id = ?"
+	err := repo.db.QueryRow(query, id).Scan(&user.ID,
+		&user.FirstName,
+		&user.LastName,
+		&user.Email,
+		&user.Phone,
+		&user.DriversIDChecked,
+		&user.RoleID,
+		&user.PaymentStatus,
+		&user.DateOfBirth,
+		&user.Address,
+		&user.ProfilePicture,
+		&user.Notes,
+		&user.Status)
 	if err != nil {
 		if err == sql.ErrNoRows {
 			return nil, errors.ErrUserNotFound
@@ -60,3 +118,70 @@ func (repo *userRepository) FindUserByEmail(email string) (*models.User, error)
 	}
 	return &user, nil
 }
+
+func (repo *userRepository) IsVerified(userID *int64) (bool, error) {
+	var status string
+	query := "SELECT status FROM users where id = ?"
+	err := repo.db.QueryRow(query, userID).Scan(&status)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return false, errors.ErrUserNotFound
+		}
+		return false, err
+	}
+	return status != "unverified", nil
+}
+
+func (repo *userRepository) VerifyUserOfToken(token *string) (int64, error) {
+	var userID int64
+	err := repo.db.QueryRow("SELECT user_id FROM email_verifications WHERE verification_token = $1", token).Scan(&userID)
+	if err == sql.ErrNoRows {
+		return -1, errors.ErrTokenNotFound
+	} else if err != nil {
+		return -1, err
+	}
+	verified, err := repo.IsVerified(&userID)
+	if err != nil {
+		return -1, err
+	}
+	if verified {
+		return userID, errors.ErrAlreadyVerified
+	}
+	update := map[string]interface{}{
+		"status": "active",
+	}
+
+	err = repo.UpdateUser(userID, update)
+	if err != nil {
+		return -1, err
+	}
+	query := "UPDATE email_verifications SET verified_at = ? WHERE user_id = ?"
+	_, err = repo.db.Exec(query, time.Now(), userID)
+	if err != nil {
+		return -1, err
+	}
+	return userID, nil
+}
+
+func (repo *userRepository) SetVerificationToken(user *models.User, token *string) (int64, error) {
+	// check if user already verified
+	verified, err := repo.IsVerified(&user.ID)
+	if err != nil {
+		return -1, err
+	}
+	if verified {
+		return -1, errors.ErrAlreadyVerified
+	}
+
+	query := "INSERT OR REPLACE INTO email_verifications (user_id, verification_token, created_at) VALUES (?, ?, ?)"
+	result, err := repo.db.Exec(query, user.ID, token, time.Now())
+	if err != nil {
+		return -1, err
+	}
+	lastInsertID, err := result.LastInsertId()
+	if err != nil {
+		return -1, err
+	}
+
+	return lastInsertID, nil
+}