AdminTemplate/backend/internal/handlers/user_handler.go

136 lines
3.5 KiB
Go

package handlers
import (
"net/http"
"time"
"github.com/gin-gonic/gin"
"admintemplate/internal/auth"
"admintemplate/internal/database"
"admintemplate/internal/models"
)
type UserHandler struct {
db *database.DB
}
func NewUserHandler(db *database.DB) *UserHandler {
return &UserHandler{db: db}
}
func (h *UserHandler) ListUsers(c *gin.Context) {
query := "SELECT id, username, email, role, active, created_at, updated_at FROM users ORDER BY id"
rows, err := h.db.Query(query)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch users"})
return
}
defer rows.Close()
var users []models.User
for rows.Next() {
var user models.User
err := rows.Scan(
&user.ID, &user.Username, &user.Email,
&user.Role, &user.Active, &user.CreatedAt, &user.UpdatedAt,
)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to scan user"})
return
}
users = append(users, user)
}
c.JSON(http.StatusOK, users)
}
func (h *UserHandler) GetUser(c *gin.Context) {
id := c.Param("id")
var user models.User
query := "SELECT id, username, email, role, active, created_at, updated_at FROM users WHERE id = ?"
err := h.db.QueryRow(query, id).Scan(
&user.ID, &user.Username, &user.Email,
&user.Role, &user.Active, &user.CreatedAt, &user.UpdatedAt,
)
if err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
return
}
c.JSON(http.StatusOK, user)
}
type CreateUserRequest struct {
Username string `json:"username" binding:"required"`
Password string `json:"password" binding:"required"`
Email string `json:"email" binding:"required,email"`
Role string `json:"role" binding:"required"`
}
func (h *UserHandler) CreateUser(c *gin.Context) {
var req CreateUserRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
hashedPassword, err := auth.HashPassword(req.Password)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to hash password"})
return
}
now := time.Now()
query := `INSERT INTO users (username, password, email, role, active, created_at, updated_at)
VALUES (?, ?, ?, ?, ?, ?, ?)`
result, err := h.db.Exec(query, req.Username, hashedPassword, req.Email, req.Role, true, now, now)
if err != nil {
c.JSON(http.StatusConflict, gin.H{"error": "Username or email already exists"})
return
}
id, _ := result.LastInsertId()
c.JSON(http.StatusCreated, gin.H{"id": id, "message": "User created successfully"})
}
type UpdateUserRequest struct {
Email string `json:"email"`
Role string `json:"role"`
Active *bool `json:"active"`
}
func (h *UserHandler) UpdateUser(c *gin.Context) {
id := c.Param("id")
var req UpdateUserRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
query := "UPDATE users SET email = ?, role = ?, active = ?, updated_at = ? WHERE id = ?"
_, err := h.db.Exec(query, req.Email, req.Role, req.Active, time.Now(), id)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update user"})
return
}
c.JSON(http.StatusOK, gin.H{"message": "User updated successfully"})
}
func (h *UserHandler) DeleteUser(c *gin.Context) {
id := c.Param("id")
query := "DELETE FROM users WHERE id = ?"
_, err := h.db.Exec(query, id)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to delete user"})
return
}
c.JSON(http.StatusOK, gin.H{"message": "User deleted successfully"})
}