goProject/trunk/center/usercenter/internal/user/logic.go

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package user
import (
"common/cache"
"common/connection"
"goutil/logUtilPlus"
"sync"
)
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var (
// 用户缓存对象
userMap = make(map[int64]*User)
rwmu sync.RWMutex
userAccountMap = make(map[string]*User)
rwmu2 sync.RWMutex
)
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// GetUserByID 根据用户id获取用户信息
func GetUserByID(UserID int64) (*User, error) {
//判断缓存是否存在
var user *User
func() *User {
rwmu.RLock()
defer rwmu.RUnlock()
ok := true
if user, ok = userMap[UserID]; ok {
return user
}
return nil
}()
if user != nil {
return user, nil
}
result := connection.GetUserDB().First(&user, UserID)
if result.Error != nil {
return nil, result.Error
}
//添加缓存
func() {
rwmu.Lock()
defer rwmu.Unlock()
user.Cache = cache.NewCache()
userMap[user.ID] = user
}()
return user, nil
}
// AddUserCache 添加用户缓存
func AddUserCache(user *User) {
rwmu.Lock()
defer rwmu.Unlock()
user.Cache = cache.NewCache()
userMap[user.ID] = user
}
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func GetUserByAccount(account string) (*User, error) {
rwmu2.RLock()
defer rwmu2.RUnlock()
//判断缓存是否存在
var user *User
ok := true
if user, ok = userAccountMap[account]; ok {
return user, nil
}
return nil, nil
}
func AddUserIdCache(user *User) {
rwmu2.Lock()
defer rwmu2.Unlock()
user.Cache = cache.NewCache()
userAccountMap[user.Account] = user
}
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// AddUser 添加用户
// AddUser 添加新的用户到数据库中。
// 参数 User: 包含用户信息的对象。
// 返回值: 插入操作影响的行数和可能发生的错误。
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func AddUser(user *User) (int64, error) {
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//处理一些验证
// 写入到数据库
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result := connection.GetUserDB().Create(&user) // 通过数据的指针来创建
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if result.Error != nil {
logUtilPlus.ErrorLog("添加用户失败 错误信息:", result.Error.Error())
}
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return user.ID, nil
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}
// Login 用户登录
func Login(account string, password string) (*User, error) {
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var user *User
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//这里优先验证缓存数据
user, err := GetUserByAccount(account)
if err == nil && user != nil {
return user, err
}
result := connection.GetUserDB().Where("account = ? AND password = ?", account, password).First(&user)
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if result.Error != nil {
return nil, result.Error
}
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//写入缓存
AddUserCache(user)
AddUserIdCache(user)
return user, nil
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}