init: 初始化 AssetX 项目仓库

包含 webapp（Next.js 用户端）、webapp-back（Go 后端）、
antdesign（管理后台）、landingpage（营销落地页）、
数据库 SQL 和配置文件。

webapp-back/users/validators.go

@@ -0,0 +1,85 @@
+package users
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/gothinkster/golang-gin-realworld-example-app/common"
+)
+
+// *ModelValidator containing two parts:
+// - Validator: write the form/json checking rule according to the doc https://github.com/go-playground/validator
+// - DataModel: fill with data from Validator after invoking common.Bind(c, self)
+// Then, you can just call model.save() after the data is ready in DataModel.
+type UserModelValidator struct {
+	User struct {
+		Username string `form:"username" json:"username" binding:"required,min=4,max=255"`
+		Email    string `form:"email" json:"email" binding:"required,email"`
+		Password string `form:"password" json:"password" binding:"required,min=8,max=255"`
+		Bio      string `form:"bio" json:"bio" binding:"max=1024"`
+		Image    string `form:"image" json:"image" binding:"omitempty,url"`
+	} `json:"user"`
+	userModel UserModel `json:"-"`
+}
+
+// There are some difference when you create or update a model, you need to fill the DataModel before
+// update so that you can use your origin data to cheat the validator.
+// BTW, you can put your general binding logic here such as setting password.
+func (self *UserModelValidator) Bind(c *gin.Context) error {
+	err := common.Bind(c, self)
+	if err != nil {
+		return err
+	}
+	self.userModel.Username = self.User.Username
+	self.userModel.Email = self.User.Email
+	self.userModel.Bio = self.User.Bio
+
+	if self.User.Password != common.RandomPassword {
+		self.userModel.setPassword(self.User.Password)
+	}
+	if self.User.Image != "" {
+		self.userModel.Image = &self.User.Image
+	}
+	return nil
+}
+
+// You can put the default value of a Validator here
+func NewUserModelValidator() UserModelValidator {
+	userModelValidator := UserModelValidator{}
+	return userModelValidator
+}
+
+func NewUserModelValidatorFillWith(userModel UserModel) UserModelValidator {
+	userModelValidator := NewUserModelValidator()
+	userModelValidator.User.Username = userModel.Username
+	userModelValidator.User.Email = userModel.Email
+	userModelValidator.User.Bio = userModel.Bio
+	userModelValidator.User.Password = common.RandomPassword
+
+	if userModel.Image != nil {
+		userModelValidator.User.Image = *userModel.Image
+	}
+	return userModelValidator
+}
+
+type LoginValidator struct {
+	User struct {
+		Email    string `form:"email" json:"email" binding:"required,email"`
+		Password string `form:"password" json:"password" binding:"required,min=8,max=255"`
+	} `json:"user"`
+	userModel UserModel `json:"-"`
+}
+
+func (self *LoginValidator) Bind(c *gin.Context) error {
+	err := common.Bind(c, self)
+	if err != nil {
+		return err
+	}
+
+	self.userModel.Email = self.User.Email
+	return nil
+}
+
+// You can put the default value of a Validator here
+func NewLoginValidator() LoginValidator {
+	loginValidator := LoginValidator{}
+	return loginValidator
+}