func newPost(c *gin.Context) *Error {
var post model.Post
err := c.Bind(&post)
if err != nil {
return NewError(http.StatusBadRequest, "Bad Request", &err)
}
log.Printf("Post : %v\n", post)
var user *model.User
if post.SessionId != "" {
user = GetUserBySessionId(post.SessionId)
}
if user == nil {
user = &model.User{UserName: post.UserName}
}
if !user.IsValidUserName() {
return NewError(http.StatusBadRequest, "user_name is not valid.", nil)
}
post.UserId = user.Id
post.UserName = user.UserName
log.Printf("Post (got user) : %v\n", post)
// 他の書き込みを待機
writeSemaphore <- 0
defer func() { <-writeSemaphore }()
err = database.WritePost(&post)
if err != nil {
return NewError(http.StatusInternalServerError, "Post can not be written.", &err)
}
c.JSON(http.StatusCreated, post.Id)
return nil
}
// ユーザーの登録を行います。
func (d *Database) WriteUser(user *model.User) error {
tx, err := d.db.Begin()
if err != nil {
return err
}
if user.Id > 0 {
// 更新
stmt, err := tx.Prepare("update users set user_name=?, password_hash=? where id=?")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec(user.UserName, user.PasswordHash, user.Id)
if err != nil {
return err
}
} else {
// 新規
stmt, err := tx.Prepare("insert into users (user_name, password_hash) values (?, ?)")
if err != nil {
return err
}
defer stmt.Close()
res, err := stmt.Exec(user.UserName, user.PasswordHash)
if err != nil {
return err
}
id, err := res.LastInsertId()
if err != nil {
return err
}
user.Id = model.ID(id)
}
tx.Commit()
return nil
}
func newUser(c *gin.Context) *Error {
var user model.User
err := c.Bind(&user)
if err != nil {
return NewError(http.StatusBadRequest, "Bad Request", &err)
}
log.Printf("User : %v\n", user)
if !user.IsValidUserName() {
return NewError(http.StatusBadRequest, "user_name is not valid.", nil)
}
// ユーザーの存在チェック
exist, err := database.IsUserNameExist(user.UserName)
if err != nil {
return NewError(http.StatusInternalServerError, "Can not read users.", &err)
}
if exist {
return NewError(http.StatusConflict, "user_name is already exists.", nil)
}
if !user.CheckPassword() {
return NewError(http.StatusBadRequest, "Password is not match.", nil)
}
user.SetPasswordHash()
// 他の書き込みを待機
writeSemaphore <- 0
defer func() { <-writeSemaphore }()
err = database.WriteUser(&user)
if err != nil {
return NewError(http.StatusInternalServerError, "User can not be written.", &err)
}
c.JSON(http.StatusCreated, user.Id)
return nil
}