feat(user): 生成用户查询接口并优化模型

- 在 model/user.go 中添加 Querier 接口，定义了 GetByEmail 方法- 在 query/users.gen.go 中实现 Querier 接口的 GetByEmail 方法
- 修改 gen.go以使用新的 Querier 接口和 User 模型生成代码
- 将 users.gen.go 中的 ID 类型从 Int64 改为 Uint

app/user/biz/dal/query/users.gen.go

@@ -6,6 +6,7 @@ package query
 
 import (
 	"context"
+	"strings"
 
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -16,7 +17,7 @@ import (
 
 	"gorm.io/plugin/dbresolver"
 
-	"github.com/suyiiyii/hertz101/app/user/biz/dal/model"
+	"github.com/suyiiyii/hertz101/app/user/biz/model"
 )
 
 func newUser(db *gorm.DB, opts ...gen.DOOption) user {
@@ -27,7 +28,7 @@ func newUser(db *gorm.DB, opts ...gen.DOOption) user {
 
 	tableName := _user.userDo.TableName()
 	_user.ALL = field.NewAsterisk(tableName)
-	_user.ID = field.NewInt64(tableName, "id")
+	_user.ID = field.NewUint(tableName, "id")
 	_user.CreatedAt = field.NewTime(tableName, "created_at")
 	_user.UpdatedAt = field.NewTime(tableName, "updated_at")
 	_user.DeletedAt = field.NewField(tableName, "deleted_at")
@@ -43,7 +44,7 @@ type user struct {
 	userDo
 
 	ALL            field.Asterisk
-	ID             field.Int64
+	ID             field.Uint
 	CreatedAt      field.Time
 	UpdatedAt      field.Time
 	DeletedAt      field.Field
@@ -65,7 +66,7 @@ func (u user) As(alias string) *user {
 
 func (u *user) updateTableName(table string) *user {
 	u.ALL = field.NewAsterisk(table)
-	u.ID = field.NewInt64(table, "id")
+	u.ID = field.NewUint(table, "id")
 	u.CreatedAt = field.NewTime(table, "created_at")
 	u.UpdatedAt = field.NewTime(table, "updated_at")
 	u.DeletedAt = field.NewField(table, "deleted_at")
@@ -167,6 +168,25 @@ type IUserDo interface {
 	Returning(value interface{}, columns ...string) IUserDo
 	UnderlyingDB() *gorm.DB
 	schema.Tabler
+
+	GetByEmail(email string) (result *model.User, err error)
+}
+
+// GetByEmail get user by email
+//
+// SELECT * FROM @@table WHERE email = @email
+func (u userDo) GetByEmail(email string) (result *model.User, err error) {
+	var params []interface{}
+
+	var generateSQL strings.Builder
+	params = append(params, email)
+	generateSQL.WriteString("SELECT * FROM users WHERE email = ? ")
+
+	var executeSQL *gorm.DB
+	executeSQL = u.UnderlyingDB().Raw(generateSQL.String(), params...).Take(&result) // ignore_security_alert
+	err = executeSQL.Error
+
+	return
 }
 
 func (u userDo) Debug() IUserDo {

app/user/biz/model/user.go

@@ -1,9 +1,19 @@
 package model
 
-import "gorm.io/gorm"
+import (
+	"gorm.io/gen"
+	"gorm.io/gorm"
+)
 
 type User struct {
 	gorm.Model
 	Email          string `gorm:"uniqueIndex;type:varchar(255) not null"`
 	PasswordHashed string `gorm:"type:varchar(255) not null"`
 }
+
+type Querier interface {
+	// GetByEmail get user by email
+	//
+	// SELECT * FROM @@table WHERE email = @email
+	GetByEmail(email string) (*gen.T, error)
+}

app/user/cmd/gorm_gen/gen.go

@@ -1,23 +1,24 @@
 package main
 
 import (
-	"github.com/suyiiyii/hertz101/app/user/biz/dal/mysql"
+	"github.com/suyiiyii/hertz101/app/user/biz/model"
 	"gorm.io/gen"
 )
 
 func main() {
-	mysql.Init()
+	//mysql.Init()
 
-	db := mysql.DB
+	//db := mysql.DB
 
 	g := gen.NewGenerator(gen.Config{
 		OutPath: "biz/dal/query",
 		Mode:    gen.WithoutContext | gen.WithDefaultQuery | gen.WithQueryInterface,
 	})
 
-	g.UseDB(db)
+	//g.UseDB(db)
 
-	g.ApplyBasic(g.GenerateModel("users"))
+	//g.ApplyBasic(g.GenerateModel("users"))
+	g.ApplyInterface(func(model.Querier) {}, model.User{})
 
 	g.Execute()
 }