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user.go
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user.go
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package store
import (
"context"
)
// Role is the type of a role.
type Role string
const (
// RoleHost is the HOST role.
RoleHost Role = "HOST"
// RoleAdmin is the ADMIN role.
RoleAdmin Role = "ADMIN"
// RoleUser is the USER role.
RoleUser Role = "USER"
)
func (e Role) String() string {
switch e {
case RoleHost:
return "HOST"
case RoleAdmin:
return "ADMIN"
case RoleUser:
return "USER"
}
return "USER"
}
const (
SystemBotID int32 = 0
)
var (
SystemBot = &User{
ID: SystemBotID,
Username: "system_bot",
Role: RoleAdmin,
Email: "",
Nickname: "Bot",
}
)
type User struct {
ID int32
// Standard fields
RowStatus RowStatus
CreatedTs int64
UpdatedTs int64
// Domain specific fields
Username string
Role Role
Email string
Nickname string
PasswordHash string
AvatarURL string
}
type UpdateUser struct {
ID int32
UpdatedTs *int64
RowStatus *RowStatus
Username *string
Role *Role
Email *string
Nickname *string
Password *string
AvatarURL *string
PasswordHash *string
}
type FindUser struct {
ID *int32
RowStatus *RowStatus
Username *string
Role *Role
Email *string
Nickname *string
}
type DeleteUser struct {
ID int32
}
func (s *Store) CreateUser(ctx context.Context, create *User) (*User, error) {
user, err := s.driver.CreateUser(ctx, create)
if err != nil {
return nil, err
}
s.userCache.Store(user.ID, user)
return user, nil
}
func (s *Store) UpdateUser(ctx context.Context, update *UpdateUser) (*User, error) {
user, err := s.driver.UpdateUser(ctx, update)
if err != nil {
return nil, err
}
s.userCache.Store(user.ID, user)
return user, nil
}
func (s *Store) ListUsers(ctx context.Context, find *FindUser) ([]*User, error) {
list, err := s.driver.ListUsers(ctx, find)
if err != nil {
return nil, err
}
for _, user := range list {
s.userCache.Store(user.ID, user)
}
return list, nil
}
func (s *Store) GetUser(ctx context.Context, find *FindUser) (*User, error) {
if find.ID != nil {
if *find.ID == SystemBotID {
return SystemBot, nil
}
if cache, ok := s.userCache.Load(*find.ID); ok {
return cache.(*User), nil
}
}
list, err := s.ListUsers(ctx, find)
if err != nil {
return nil, err
}
if len(list) == 0 {
return nil, nil
}
user := list[0]
s.userCache.Store(user.ID, user)
return user, nil
}
func (s *Store) DeleteUser(ctx context.Context, delete *DeleteUser) error {
err := s.driver.DeleteUser(ctx, delete)
if err != nil {
return err
}
s.userCache.Delete(delete.ID)
return nil
}