MossChat_Backend/models/user.go

86 lines
2.4 KiB
Go
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2024-06-16 02:08:50 +08:00
package models
import (
"MossChat/db"
"MossChat/enums"
"errors"
"fmt"
"golang.org/x/crypto/bcrypt"
"gorm.io/gorm"
)
type User struct {
gorm.Model
Username string `json:"username"`
Password string `json:"-"`
Nickname string `json:"nickname"`
Gender enums.GenderType `json:"gender"`
Introduce string `json:"introduce"`
Email string `json:"email"`
Avatar string `json:"avatar"`
IsBanned bool `json:"is_banned"`
Phone string `json:"phone"`
}
func (user *User) UpdatePassword(password string) error {
bcryptHash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return errors.New("无法加密密码")
}
user.Password = string(bcryptHash)
return nil
}
func (user *User) CheckPassword(password string) error {
return bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password))
}
func (user *User) Delete() error {
if err := db.DB.Delete(user); err != nil {
return errors.New("无法删除该用户")
}
return nil
}
func CreateUser(username string, password string, nickname string, gender enums.GenderType) (User, error) {
user := User{Username: username,
Nickname: nickname,
Gender: gender,
Introduce: "这个人很懒,什么都没留下。",
}
var count int64
if err := db.DB.Model(&User{}).Where("username = ?", username).Count(&count).Error; err != nil {
return User{}, errors.New("数据库查询错误")
}
if count != 0 {
return User{}, errors.New("用户已存在")
}
//加密密码
if err := user.UpdatePassword(password); err != nil {
return User{}, err
}
if err := db.DB.Create(user).Error; err != nil {
return User{}, errors.New("无法创建用户")
}
return user, nil
}
func DeleteUser(username string) error {
if err := db.DB.Model(&User{}).Where("username = ?", username).Delete(&User{}).Error; err != nil {
return errors.New(fmt.Sprintf("无法创建用户:%s", err.Error()))
}
return nil
}
func GetUserByUsername(username string) (User, error) {
var user User
if err := db.DB.Where("username = ?", username).First(&user).Error; err != nil {
return User{}, errors.New("无法找到用户")
}
return user, nil
}
func GetUserByUid(uid uint) (User, error) {
var user User
if err := db.DB.Where("uid = ?", uid).First(&user).Error; err != nil {
return User{}, errors.New("无法找到用户")
}
return user, nil
}