go-admin/app/admin/models/menu.go

package models

import (
	"errors"
	"github.com/go-admin-team/go-admin-core/sdk/pkg"
	"go-admin/common/models"

	"gorm.io/gorm"
)

type Menu struct {
	MenuId     int    `json:"menuId" gorm:"primaryKey;autoIncrement"`
	MenuName   string `json:"menuName" gorm:"size:128;"`
	Title      string `json:"title" gorm:"size:128;"`
	Icon       string `json:"icon" gorm:"size:128;"`
	Path       string `json:"path" gorm:"size:128;"`
	Paths      string `json:"paths" gorm:"size:128;"`
	MenuType   string `json:"menuType" gorm:"size:1;"`
	Action     string `json:"action" gorm:"size:16;"`
	Permission string `json:"permission" gorm:"size:255;"`
	ParentId   int    `json:"parentId" gorm:"size:11;"`
	NoCache    bool   `json:"noCache" gorm:"size:8;"`
	Breadcrumb string `json:"breadcrumb" gorm:"size:255;"`
	Component  string `json:"component" gorm:"size:255;"`
	Sort       int    `json:"sort" gorm:"size:4;"`
	Visible    string `json:"visible" gorm:"size:1;"`
	CreateBy   string `json:"createBy" gorm:"size:128;"`
	UpdateBy   string `json:"updateBy" gorm:"size:128;"`
	IsFrame    string `json:"isFrame" gorm:"size:1;DEFAULT:0;"`
	DataScope  string `json:"dataScope" gorm:"-"`
	Params     string `json:"params" gorm:"-"`
	RoleId     int    `gorm:"-"`
	Children   []Menu `json:"children" gorm:"-"`
	IsSelect   bool   `json:"is_select" gorm:"-"`

	models.ModelTime
}

func (Menu) TableName() string {
	return "sys_menu"
}

type MenuLable struct {
	Id       int         `json:"id" gorm:"-"`
	Label    string      `json:"label" gorm:"-"`
	Children []MenuLable `json:"children" gorm:"-"`
}

type Menus struct {
	MenuId     int    `json:"menuId" gorm:"column:menu_id;primaryKey;autoIncrement;"`
	MenuName   string `json:"menuName" gorm:"column:menu_name"`
	Title      string `json:"title" gorm:"column:title"`
	Icon       string `json:"icon" gorm:"column:icon"`
	Path       string `json:"path" gorm:"column:path"`
	MenuType   string `json:"menuType" gorm:"column:menu_type"`
	Action     string `json:"action" gorm:"column:action"`
	Permission string `json:"permission" gorm:"column:permission"`
	ParentId   int    `json:"parentId" gorm:"column:parent_id"`
	NoCache    bool   `json:"noCache" gorm:"column:no_cache"`
	Breadcrumb string `json:"breadcrumb" gorm:"column:breadcrumb"`
	Component  string `json:"component" gorm:"column:component"`
	Sort       int    `json:"sort" gorm:"column:sort"`

	Visible  string `json:"visible" gorm:"column:visible"`
	Children []Menu `json:"children" gorm:"-"`

	CreateBy  string `json:"createBy" gorm:"column:create_by"`
	UpdateBy  string `json:"updateBy" gorm:"column:update_by"`
	DataScope string `json:"dataScope" gorm:"-"`
	Params    string `json:"params" gorm:"-"`
	BaseModel
}

func (Menus) TableName() string {
	return "sys_menu"
}

type MenuRole struct {
	Menus
	IsSelect bool `json:"is_select" gorm:"-"`
}

type MS []Menu

func (e *Menu) Get(tx *gorm.DB) (Menus []Menu, err error) {
	table := tx.Table(e.TableName())
	if e.MenuName != "" {
		table = table.Where("menu_name = ?", e.MenuName)
	}
	if e.Path != "" {
		table = table.Where("path = ?", e.Path)
	}
	if e.Action != "" {
		table = table.Where("action = ?", e.Action)
	}
	if e.MenuType != "" {
		table = table.Where("menu_type = ?", e.MenuType)
	}

	if err = table.Order("sort").Find(&Menus).Error; err != nil {
		return
	}
	return
}

func (e *Menu) GetPage(tx *gorm.DB) (Menus []Menu, err error) {
	table := tx.Table(e.TableName())
	if e.MenuName != "" {
		table = table.Where("menu_name = ?", e.MenuName)
	}
	if e.Title != "" {
		table = table.Where("title = ?", e.Title)
	}
	if e.Visible != "" {
		table = table.Where("visible = ?", e.Visible)
	}
	if e.MenuType != "" {
		table = table.Where("menu_type = ?", e.MenuType)
	}

	// 数据权限控制
	dataPermission := new(DataPermission)
	dataPermission.UserId, _ = pkg.StringToInt(e.DataScope)
	table, err = dataPermission.GetDataScope("sys_menu", table)
	if err != nil {
		return nil, err
	}
	if err = table.Order("sort").Find(&Menus).Error; err != nil {
		return
	}
	return
}

func (e *Menu) Create(tx *gorm.DB) (id int, err error) {
	result := tx.Table(e.TableName()).Create(&e)
	if result.Error != nil {
		err = result.Error
		return
	}
	err = InitPaths(tx, e)
	if err != nil {
		return
	}
	id = e.MenuId
	return
}

func InitPaths(tx *gorm.DB, menu *Menu) (err error) {
	parentMenu := new(Menu)
	if menu.ParentId != 0 {
		tx.Table("sys_menu").Where("menu_id = ?", menu.ParentId).First(parentMenu)
		if parentMenu.Paths == "" {
			err = errors.New("父级paths异常，请尝试对当前节点父级菜单进行更新操作！")
			return
		}
		menu.Paths = parentMenu.Paths + "/" + pkg.IntToString(menu.MenuId)
	} else {
		menu.Paths = "/0/" + pkg.IntToString(menu.MenuId)
	}
	tx.Table("sys_menu").Where("menu_id = ?", menu.MenuId).Update("paths", menu.Paths)
	return
}