Golang utils.ToString函数代码示例

func (res *Resource) findOneHandler(result interface{}, metaValues *MetaValues, context *qor.Context) error {
	if res.HasPermission(roles.Read, context) {
		var (
			scope        = context.GetDB().NewScope(res.Value)
			primaryField = res.PrimaryField()
			primaryKey   string
		)

		if metaValues == nil {
			primaryKey = context.ResourceID
		} else if primaryField == nil {
			return nil
		} else if id := metaValues.Get(primaryField.Name); id != nil {
			primaryKey = utils.ToString(id.Value)
		}

		if primaryKey != "" {
			if metaValues != nil {
				if destroy := metaValues.Get("_destroy"); destroy != nil {
					if fmt.Sprint(destroy.Value) != "0" && res.HasPermission(roles.Delete, context) {
						context.GetDB().Delete(result, fmt.Sprintf("%v = ?", scope.Quote(primaryField.DBName)), primaryKey)
						return ErrProcessorSkipLeft
					}
				}
			}
			return context.GetDB().First(result, fmt.Sprintf("%v = ?", scope.Quote(primaryField.DBName)), primaryKey).Error
		}
		return errors.New("failed to find")
	} else {
		return roles.ErrPermissionDenied
	}
}

func init() {
	Admin = admin.New(&qor.Config{DB: db.Publish.DraftDB()})
	Admin.SetAuth(Auth{})

	assetManager := Admin.AddResource(&admin.AssetManager{}, &admin.Config{Invisible: true})

	product := Admin.AddResource(&models.Product{}, &admin.Config{Menu: []string{"Product Management"}})
	product.Meta(&admin.Meta{Name: "MadeCountry", Type: "select_one", Collection: Countries})
	product.Meta(&admin.Meta{Name: "Description", Type: "rich_editor", Resource: assetManager})

	for _, country := range Countries {
		var country = country
		product.Scope(&admin.Scope{Name: country, Group: "Made Country", Handle: func(db *gorm.DB, ctx *qor.Context) *gorm.DB {
			return db.Where("made_country = ?", country)
		}})
	}

	product.IndexAttrs("-ColorVariations")

	Admin.AddResource(&models.Color{}, &admin.Config{Menu: []string{"Product Management"}})
	Admin.AddResource(&models.Size{}, &admin.Config{Menu: []string{"Product Management"}})
	Admin.AddResource(&models.Category{}, &admin.Config{Menu: []string{"Product Management"}})

	Admin.AddResource(&models.Order{}, &admin.Config{Menu: []string{"Order Management"}})

	store := Admin.AddResource(&models.Store{}, &admin.Config{Menu: []string{"Store Management"}})
	store.IndexAttrs("-Latitude", "-Longitude")
	store.AddValidator(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
		if meta := metaValues.Get("Name"); meta != nil {
			if name := utils.ToString(meta.Value); strings.TrimSpace(name) == "" {
				return validations.NewError(record, "Name", "Name can't be blank")
			}
		}
		return nil
	})

	Admin.AddResource(config.Config.I18n, &admin.Config{Menu: []string{"Site Management"}})

	user := Admin.AddResource(&models.User{})
	user.IndexAttrs("ID", "Email", "Name", "Gender", "Role")

	Admin.AddResource(db.Publish)
}

func (res *Resource) finder(result interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
	var primaryKey string
	if metaValues == nil {
		primaryKey = context.ResourceID
	} else if id := metaValues.Get(res.PrimaryFieldName()); id != nil {
		primaryKey = utils.ToString(id.Value)
	}

	if primaryKey != "" {
		if metaValues != nil {
			if destroy := metaValues.Get("_destroy"); destroy != nil {
				if fmt.Sprintf("%v", destroy.Value) != "0" {
					context.GetDB().Delete(result, primaryKey)
					return resource.ErrProcessorSkipLeft
				}
			}
		}
		return context.GetDB().First(result, primaryKey).Error
	}
	return nil
}

// ConfigureQorMeta configure slug for qor admin
func (Slug) ConfigureQorMeta(meta resource.Metaor) {
	if meta, ok := meta.(*admin.Meta); ok {
		res := meta.GetBaseResource().(*admin.Resource)

		res.GetAdmin().RegisterViewPath("github.com/qor/slug/views")
		res.UseTheme("slug")

		name := strings.TrimSuffix(meta.Name, "WithSlug")
		if meta := res.GetMeta(name); meta != nil {
			meta.Type = "slug"
		} else {
			res.Meta(&admin.Meta{Name: name, Type: "slug"})
		}

		var fieldName = meta.Name
		res.AddValidator(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
			if meta := metaValues.Get(fieldName); meta != nil {
				slug := utils.ToString(metaValues.Get(fieldName).Value)
				if slug == "" {
					return validations.NewError(record, fieldName, name+"'s slug can't be blank")
				} else if strings.Contains(slug, " ") {
					return validations.NewError(record, fieldName, name+"'s slug can't contains blank string")
				}
			} else {
				if field, ok := context.GetDB().NewScope(record).FieldByName(fieldName); ok && field.IsBlank {
					return validations.NewError(record, fieldName, name+"'s slug can't be blank")
				}
			}
			return nil
		})

		res.IndexAttrs(res.IndexAttrs(), "-"+fieldName)
		res.ShowAttrs(res.ShowAttrs(), "-"+fieldName, false)
		res.EditAttrs(res.EditAttrs(), "-"+fieldName)
		res.NewAttrs(res.NewAttrs(), "-"+fieldName)
	}
}

//.........这里部分代码省略.........
	}

	product.IndexAttrs("-ColorVariations")

	Admin.AddResource(&models.Color{}, &admin.Config{Menu: []string{"Product Management"}})
	Admin.AddResource(&models.Size{}, &admin.Config{Menu: []string{"Product Management"}})
	Admin.AddResource(&models.Category{}, &admin.Config{Menu: []string{"Product Management"}})
	Admin.AddResource(&models.Collection{}, &admin.Config{Menu: []string{"Product Management"}})

	// Add Order
	orderItem := Admin.NewResource(&models.OrderItem{})
	orderItem.Meta(&admin.Meta{Name: "SizeVariation", Type: "select_one", Collection: sizeVariationCollection})

	order := Admin.AddResource(&models.Order{}, &admin.Config{Menu: []string{"Order Management"}})
	order.Meta(&admin.Meta{Name: "ShippingAddress", Type: "single_edit"})
	order.Meta(&admin.Meta{Name: "BillingAddress", Type: "single_edit"})
	order.Meta(&admin.Meta{Name: "OrderItems", Resource: orderItem})
	activity.RegisterActivityMeta(order)

	// define scopes for Order
	for _, state := range []string{"checkout", "cancelled", "paid", "paid_cancelled", "processing", "shipped", "returned"} {
		var state = state
		order.Scope(&admin.Scope{
			Name:  state,
			Label: strings.Title(strings.Replace(state, "_", " ", -1)),
			Group: "Order Status",
			Handle: func(db *gorm.DB, context *qor.Context) *gorm.DB {
				return db.Where(models.Order{Transition: transition.Transition{State: state}})
			},
		})
	}
	order.IndexAttrs("-DiscountValue", "-OrderItems", "-AbandonedReason")
	order.NewAttrs("-DiscountValue", "-AbandonedReason")
	order.EditAttrs("-DiscountValue", "-AbandonedReason")
	order.ShowAttrs("-DiscountValue", "-AbandonedReason")
	order.SearchAttrs("User.Name", "User.Email", "ShippingAddress.ContactName", "ShippingAddress.Address1", "ShippingAddress.Address2")

	// Define another resource for same model
	abandonedOrder := Admin.AddResource(&models.Order{}, &admin.Config{Name: "Abandoned Order", Menu: []string{"Order Management"}})
	abandonedOrder.Meta(&admin.Meta{Name: "ShippingAddress", Type: "single_edit"})
	abandonedOrder.Meta(&admin.Meta{Name: "BillingAddress", Type: "single_edit"})

	// Define default scope for abandoned orders
	abandonedOrder.Scope(&admin.Scope{
		Default: true,
		Handle: func(db *gorm.DB, context *qor.Context) *gorm.DB {
			return db.Where("abandoned_reason IS NOT NULL AND abandoned_reason <> ?", "")
		},
	})

	// Define scopes for abandoned orders
	for _, amount := range []int{5000, 10000, 20000} {
		var amount = amount
		abandonedOrder.Scope(&admin.Scope{
			Name:  fmt.Sprint(amount),
			Group: "Amount Greater Than",
			Handle: func(db *gorm.DB, context *qor.Context) *gorm.DB {
				return db.Where("payment_amount > ?", amount)
			},
		})
	}

	abandonedOrder.IndexAttrs("-ShippingAddress", "-BillingAddress", "-DiscountValue", "-OrderItems")
	abandonedOrder.NewAttrs("-DiscountValue")
	abandonedOrder.EditAttrs("-DiscountValue")
	abandonedOrder.ShowAttrs("-DiscountValue")

	// Add Store
	store := Admin.AddResource(&models.Store{}, &admin.Config{Menu: []string{"Store Management"}})
	store.AddValidator(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
		if meta := metaValues.Get("Name"); meta != nil {
			if name := utils.ToString(meta.Value); strings.TrimSpace(name) == "" {
				return validations.NewError(record, "Name", "Name can't be blank")
			}
		}
		return nil
	})

	// Add Translations
	Admin.AddResource(config.Config.I18n, &admin.Config{Menu: []string{"Site Management"}})

	// Add Setting
	Admin.AddResource(&models.Setting{}, &admin.Config{Singleton: true})

	// Add User
	user := Admin.AddResource(&models.User{})
	user.IndexAttrs("ID", "Email", "Name", "Gender", "Role")

	// Add Publish
	Admin.AddResource(db.Publish, &admin.Config{Singleton: true})

	// Add Seo
	Admin.AddResource(&models.Seo{}, &admin.Config{Name: "Meta Data", Singleton: true})

	// Add Search Center
	Admin.AddSearchResource(order, user, product)

	initFuncMap()
	initRouter()
}

//.........这里部分代码省略.........
						// if removed
						if len(primaryKeys) == 0 {
							field := reflectValue.FieldByName(relationship.ForeignFieldNames[0])
							field.Set(reflect.Zero(field.Type()))
						}
					}

					if len(primaryKeys) > 0 {
						context.GetDB().Where(primaryKeys).Find(field.Addr().Interface())
					}

					// Replace many 2 many relations
					if relationship.Kind == "many_to_many" {
						if !scope.PrimaryKeyZero() {
							context.GetDB().Model(resource).Association(meta.Alias).Replace(field.Interface())
							field.Set(reflect.Zero(field.Type()))
						}
					}
				}
			}
		} else {
			meta.Setter = func(resource interface{}, metaValue *resource.MetaValue, context *qor.Context) {
				if metaValue == nil {
					return
				}

				value := metaValue.Value
				alias := meta.Alias
				if nestedField {
					fields := strings.Split(alias, ".")
					alias = fields[len(fields)-1]
				}

				field := reflect.Indirect(reflect.ValueOf(resource)).FieldByName(alias)
				if field.Kind() == reflect.Ptr {
					if field.IsNil() {
						field.Set(utils.NewValue(field.Type()).Elem())
					}

					for field.Kind() == reflect.Ptr {
						field = field.Elem()
					}
				}

				if field.IsValid() && field.CanAddr() {
					switch field.Kind() {
					case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
						field.SetInt(utils.ToInt(value))
					case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
						field.SetUint(utils.ToUint(value))
					case reflect.Float32, reflect.Float64:
						field.SetFloat(utils.ToFloat(value))
					case reflect.Bool:
						// TODO: add test
						if utils.ToString(value) == "true" {
							field.SetBool(true)
						} else {
							field.SetBool(false)
						}
					default:
						if scanner, ok := field.Addr().Interface().(sql.Scanner); ok {
							if scanner.Scan(value) != nil {
								scanner.Scan(utils.ToString(value))
							}
						} else if reflect.TypeOf("").ConvertibleTo(field.Type()) {
							field.Set(reflect.ValueOf(utils.ToString(value)).Convert(field.Type()))
						} else if reflect.TypeOf([]string{}).ConvertibleTo(field.Type()) {
							field.Set(reflect.ValueOf(utils.ToArray(value)).Convert(field.Type()))
						} else if rvalue := reflect.ValueOf(value); reflect.TypeOf(rvalue.Type()).ConvertibleTo(field.Type()) {
							field.Set(rvalue.Convert(field.Type()))
						} else if _, ok := field.Addr().Interface().(*time.Time); ok {
							if str := utils.ToString(value); str != "" {
								if newTime, err := now.Parse(str); err == nil {
									field.Set(reflect.ValueOf(newTime))
								}
							}
						} else {
							var buf = bytes.NewBufferString("")
							json.NewEncoder(buf).Encode(value)
							if err := json.NewDecoder(strings.NewReader(buf.String())).Decode(field.Addr().Interface()); err != nil {
								utils.ExitWithMsg("Can't set value %v to %v [meta %v]", reflect.ValueOf(value).Type(), field.Type(), meta)
							}
						}
					}
				}
			}
		}
	}

	if nestedField {
		oldvalue := meta.Valuer
		meta.Valuer = func(value interface{}, context *qor.Context) interface{} {
			return oldvalue(utils.GetNestedModel(value, meta.Alias, context), context)
		}
		oldSetter := meta.Setter
		meta.Setter = func(resource interface{}, metaValue *resource.MetaValue, context *qor.Context) {
			oldSetter(utils.GetNestedModel(resource, meta.Alias, context), metaValue, context)
		}
	}
}

//.........这里部分代码省略.........
	// define actions for Order
	type trackingNumberArgument struct {
		TrackingNumber string
	}

	order.Action(&admin.Action{
		Name: "Ship",
		Handle: func(argument *admin.ActionArgument) error {
			trackingNumberArgument := argument.Argument.(*trackingNumberArgument)
			for _, record := range argument.FindSelectedRecords() {
				argument.Context.GetDB().Model(record).UpdateColumn("tracking_number", trackingNumberArgument.TrackingNumber)
			}
			return nil
		},
		Resource: Admin.NewResource(&trackingNumberArgument{}),
		Visibles: []string{"menu_item"},
	})

	order.Action(&admin.Action{
		Name: "Cancel",
		Handle: func(argument *admin.ActionArgument) error {
			for _, order := range argument.FindSelectedRecords() {
				db := argument.Context.GetDB()
				if err := models.OrderState.Trigger("cancel", order.(*models.Order), db); err != nil {
					return err
				}
				db.Select("state").Save(order)
			}
			return nil
		},
		Visibles: []string{"menu_item"},
	})

	order.IndexAttrs("User", "PaymentAmount", "ShippedAt", "CancelledAt", "State", "ShippingAddress")
	order.NewAttrs("-DiscountValue", "-AbandonedReason", "-CancelledAt")
	order.EditAttrs("-DiscountValue", "-AbandonedReason", "-CancelledAt")
	order.SearchAttrs("User.Name", "User.Email", "ShippingAddress.ContactName", "ShippingAddress.Address1", "ShippingAddress.Address2")

	// Define another resource for same model
	abandonedOrder := Admin.AddResource(&models.Order{}, &admin.Config{Name: "Abandoned Order", Menu: []string{"Order Management"}})
	abandonedOrder.Meta(&admin.Meta{Name: "ShippingAddress", Type: "single_edit"})
	abandonedOrder.Meta(&admin.Meta{Name: "BillingAddress", Type: "single_edit"})

	// Define default scope for abandoned orders
	abandonedOrder.Scope(&admin.Scope{
		Default: true,
		Handle: func(db *gorm.DB, context *qor.Context) *gorm.DB {
			return db.Where("abandoned_reason IS NOT NULL AND abandoned_reason <> ?", "")
		},
	})

	// Define scopes for abandoned orders
	for _, amount := range []int{5000, 10000, 20000} {
		var amount = amount
		abandonedOrder.Scope(&admin.Scope{
			Name:  fmt.Sprint(amount),
			Group: "Amount Greater Than",
			Handle: func(db *gorm.DB, context *qor.Context) *gorm.DB {
				return db.Where("payment_amount > ?", amount)
			},
		})
	}

	abandonedOrder.IndexAttrs("-ShippingAddress", "-BillingAddress", "-DiscountValue", "-OrderItems")
	abandonedOrder.NewAttrs("-DiscountValue")
	abandonedOrder.EditAttrs("-DiscountValue")
	abandonedOrder.ShowAttrs("-DiscountValue")

	// Add Store
	store := Admin.AddResource(&models.Store{}, &admin.Config{Menu: []string{"Store Management"}})
	store.AddValidator(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
		if meta := metaValues.Get("Name"); meta != nil {
			if name := utils.ToString(meta.Value); strings.TrimSpace(name) == "" {
				return validations.NewError(record, "Name", "Name can't be blank")
			}
		}
		return nil
	})

	// Add Translations
	Admin.AddResource(config.Config.I18n, &admin.Config{Menu: []string{"Site Management"}})

	// Add Setting
	Admin.AddResource(&models.Setting{}, &admin.Config{Singleton: true})

	// Add User
	user := Admin.AddResource(&models.User{})
	user.IndexAttrs("ID", "Email", "Name", "Gender", "Role")

	// Add Publish
	Admin.AddResource(db.Publish, &admin.Config{Singleton: true})

	// Add Worker
	Worker := getWorker()
	Admin.AddResource(Worker)
	exchange_actions.RegisterExchangeJobs(config.Config.I18n, Worker)

	initFuncMap()
	initRouter()
}

func (mediaBox MediaBox) ConfigureQorMeta(metaor resource.Metaor) {
	if meta, ok := metaor.(*admin.Meta); ok {
		if meta.Config == nil {
			meta.Config = &MediaBoxConfig{}
		}

		if meta.FormattedValuer == nil {
			meta.FormattedValuer = func(record interface{}, context *qor.Context) interface{} {
				if mediaBox, ok := meta.GetValuer()(record, context).(*MediaBox); ok {
					return mediaBox.URL()
				}
				return ""
			}
			meta.SetFormattedValuer(meta.FormattedValuer)
		}

		if config, ok := meta.Config.(*MediaBoxConfig); ok {
			Admin := meta.GetBaseResource().(*admin.Resource).GetAdmin()
			if config.RemoteDataResource == nil {
				mediaLibraryResource := Admin.GetResource("MediaLibrary")
				if mediaLibraryResource == nil {
					mediaLibraryResource = Admin.NewResource(&MediaLibrary{})
				}
				config.RemoteDataResource = mediaLibraryResource
			}

			if _, ok := config.RemoteDataResource.Value.(MediaLibraryInterface); !ok {
				utils.ExitWithMsg("%v havn't implement MediaLibraryInterface, please fix that.", reflect.TypeOf(config.RemoteDataResource.Value))
			}

			if meta := config.RemoteDataResource.GetMeta("MediaOption"); meta == nil {
				config.RemoteDataResource.Meta(&admin.Meta{
					Name: "MediaOption",
					Type: "hidden",
					Setter: func(record interface{}, metaValue *resource.MetaValue, context *qor.Context) {
						if mediaLibrary, ok := record.(MediaLibraryInterface); ok {
							var mediaOption MediaOption
							if err := json.Unmarshal([]byte(utils.ToString(metaValue.Value)), &mediaOption); err == nil {
								mediaOption.FileName = ""
								mediaOption.URL = ""
								mediaOption.OriginalURL = ""
								mediaLibrary.ScanMediaOptions(mediaOption)
							}
						}
					},
					Valuer: func(record interface{}, context *qor.Context) interface{} {
						if mediaLibrary, ok := record.(MediaLibraryInterface); ok {
							if value, err := json.Marshal(mediaLibrary.GetMediaOption()); err == nil {
								return string(value)
							}
						}
						return ""
					},
				})
			}

			if meta := config.RemoteDataResource.GetMeta("SelectedType"); meta == nil {
				config.RemoteDataResource.Meta(&admin.Meta{
					Name: "SelectedType",
					Type: "hidden",
					Valuer: func(record interface{}, context *qor.Context) interface{} {
						if mediaLibrary, ok := record.(MediaLibraryInterface); ok {
							return mediaLibrary.GetSelectedType()
						}
						return ""
					},
				})
			}

			config.RemoteDataResource.AddProcessor(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
				if mediaLibrary, ok := record.(MediaLibraryInterface); ok {
					var filename string
					var mediaOption MediaOption

					for _, metaValue := range metaValues.Values {
						if fileHeaders, ok := metaValue.Value.([]*multipart.FileHeader); ok {
							for _, fileHeader := range fileHeaders {
								filename = fileHeader.Filename
							}
						}
					}

					if metaValue := metaValues.Get("MediaOption"); metaValue != nil {
						mediaOptionStr := utils.ToString(metaValue.Value)
						json.Unmarshal([]byte(mediaOptionStr), &mediaOption)
					}

					if mediaOption.SelectedType == "video_link" {
						mediaLibrary.SetSelectedType("video_link")
					} else if filename != "" {
						if _, err := getImageFormat(filename); err == nil {
							mediaLibrary.SetSelectedType("image")
						} else if isVideoFormat(filename) {
							mediaLibrary.SetSelectedType("video")
						} else {
							mediaLibrary.SetSelectedType("file")
						}
					}
				}
				return nil
//.........这里部分代码省略.........

//.........这里部分代码省略.........
						if len(primaryKeys) == 0 {
							field := reflectValue.FieldByName(relationship.ForeignFieldNames[0])
							field.Set(reflect.Zero(field.Type()))
						}
					}

					if len(primaryKeys) > 0 {
						context.GetDB().Where(primaryKeys).Find(field.Addr().Interface())
					}

					// Replace many 2 many relations
					if relationship.Kind == "many_to_many" {
						if !scope.PrimaryKeyZero() {
							context.GetDB().Model(resource).Association(meta.FieldName).Replace(field.Interface())
							field.Set(reflect.Zero(field.Type()))
						}
					}
				}
			}
		} else {
			meta.Setter = func(resource interface{}, metaValue *MetaValue, context *qor.Context) {
				if metaValue == nil {
					return
				}

				value := metaValue.Value
				fieldName := meta.FieldName
				if nestedField {
					fields := strings.Split(fieldName, ".")
					fieldName = fields[len(fields)-1]
				}

				field := reflect.Indirect(reflect.ValueOf(resource)).FieldByName(fieldName)
				if field.Kind() == reflect.Ptr {
					if field.IsNil() {
						field.Set(utils.NewValue(field.Type()).Elem())
					}

					for field.Kind() == reflect.Ptr {
						field = field.Elem()
					}
				}

				if field.IsValid() && field.CanAddr() {
					switch field.Kind() {
					case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
						field.SetInt(utils.ToInt(value))
					case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
						field.SetUint(utils.ToUint(value))
					case reflect.Float32, reflect.Float64:
						field.SetFloat(utils.ToFloat(value))
					case reflect.Bool:
						// TODO: add test
						if utils.ToString(value) == "true" {
							field.SetBool(true)
						} else {
							field.SetBool(false)
						}
					default:
						if scanner, ok := field.Addr().Interface().(sql.Scanner); ok {
							if scanner.Scan(value) != nil {
								scanner.Scan(utils.ToString(value))
							}
						} else if reflect.TypeOf("").ConvertibleTo(field.Type()) {
							field.Set(reflect.ValueOf(utils.ToString(value)).Convert(field.Type()))
						} else if reflect.TypeOf([]string{}).ConvertibleTo(field.Type()) {
							field.Set(reflect.ValueOf(utils.ToArray(value)).Convert(field.Type()))
						} else if rvalue := reflect.ValueOf(value); reflect.TypeOf(rvalue.Type()).ConvertibleTo(field.Type()) {
							field.Set(rvalue.Convert(field.Type()))
						} else if _, ok := field.Addr().Interface().(*time.Time); ok {
							if str := utils.ToString(value); str != "" {
								if newTime, err := now.Parse(str); err == nil {
									field.Set(reflect.ValueOf(newTime))
								}
							}
						} else {
							var buf = bytes.NewBufferString("")
							json.NewEncoder(buf).Encode(value)
							if err := json.NewDecoder(strings.NewReader(buf.String())).Decode(field.Addr().Interface()); err != nil {
								utils.ExitWithMsg("Can't set value %v to %v [meta %v]", reflect.TypeOf(value), field.Type(), meta)
							}
						}
					}
				}
			}
		}
	}

	if nestedField {
		oldvalue := meta.Valuer
		meta.Valuer = func(value interface{}, context *qor.Context) interface{} {
			return oldvalue(getNestedModel(value, meta.FieldName, context), context)
		}
		oldSetter := meta.Setter
		meta.Setter = func(resource interface{}, metaValue *MetaValue, context *qor.Context) {
			oldSetter(getNestedModel(resource, meta.FieldName, context), metaValue, context)
		}
	}
	return nil
}

//.........这里部分代码省略.........

	pages.Meta(&admin.Meta{Name: "Path", Type: "select_one", Collection: config.QOR.Paths})

	// define scopes for pages
	for _, path := range config.QOR.Paths {
		path := path // The anonymous function below captures the variable `path` not its value
		// So because the range variable is re-assigned a value on each iteration, if we just used it,
		// the actual value being used would just end up being the same (last value of iteration).
		// By redeclaring `path` within the range block's scope a new variable is in effect created for each iteration
		// and that specific variable is used in the anonymous function instead
		// Another solution would be to pass the range variable into a function as a parameter which then returns the
		// original function you wanted creating a `closure` around the passed in parameter (you often  come accross this in JavaScript)
		pages.Scope(&admin.Scope{
			Name:  path,
			Group: "Path",
			Handle: func(db *gorm.DB, context *qor.Context) *gorm.DB {
				return db.Where(models.Page{Path: path})
			},
		})
	}

	pageSection := &admin.Section{
		Title: "Page Setup",
		Rows: [][]string{
			{"Name"},
			{"Path", "MenuWeight"},
			{"Links"},
		}}
	pages.NewAttrs(pageSection, "SEO", "ContentColumns")
	pages.EditAttrs(pageSection, "SEO", "ContentColumns")

	pages.AddValidator(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
		if meta := metaValues.Get("Name"); meta != nil {
			if name := utils.ToString(meta.Value); strings.TrimSpace(name) == "" {
				return validations.NewError(record, "Name", "Name can not be blank")
			}
		}
		if meta := metaValues.Get("Path"); meta != nil {
			if name := utils.ToString(meta.Value); strings.TrimSpace(name) == "" {
				return validations.NewError(record, "Path", "Path can not be blank")
			}
		}

		// TODO make SEO required

		// if we have content check it is valid
		if meta := metaValues.Get("ContentColumns"); meta != nil {
			if metas := meta.MetaValues.Values; len(metas) > 0 {
				for _, v := range metas {

					// All image content need alt text and alignment
					if v.Name == "ImageContent" {
						if fields := v.MetaValues.Values; len(fields) > 0 {
							img := false
							imgAlt := false
							imgAlign := false
							for _, f := range fields {
								if f.Name == "Image" && f.Value != nil {
									if v, ok := f.Value.([]*multipart.FileHeader); ok {
										if len(v) > 0 {
											img = true
										}
									}
								}
								if f.Name == "Alt" && f.Value != nil {
									if v, ok := f.Value.([]string); ok {

//.........这里部分代码省略.........
		Modes: []string{"index", "show", "menu_item"},
	})

	order.IndexAttrs("User", "PaymentAmount", "ShippedAt", "CancelledAt", "State", "ShippingAddress")
	order.NewAttrs("-DiscountValue", "-AbandonedReason", "-CancelledAt")
	order.EditAttrs("-DiscountValue", "-AbandonedReason", "-CancelledAt", "-State")
	order.ShowAttrs("-DiscountValue", "-State")
	order.SearchAttrs("User.Name", "User.Email", "ShippingAddress.ContactName", "ShippingAddress.Address1", "ShippingAddress.Address2")

	// Add activity for order
	activity.Register(order)

	// Define another resource for same model
	abandonedOrder := Admin.AddResource(&models.Order{}, &admin.Config{Name: "Abandoned Order", Menu: []string{"Order Management"}})
	abandonedOrder.Meta(&admin.Meta{Name: "ShippingAddress", Type: "single_edit"})
	abandonedOrder.Meta(&admin.Meta{Name: "BillingAddress", Type: "single_edit"})

	// Define default scope for abandoned orders
	abandonedOrder.Scope(&admin.Scope{
		Default: true,
		Handle: func(db *gorm.DB, context *qor.Context) *gorm.DB {
			return db.Where("abandoned_reason IS NOT NULL AND abandoned_reason <> ?", "")
		},
	})

	// Define scopes for abandoned orders
	for _, amount := range []int{5000, 10000, 20000} {
		var amount = amount
		abandonedOrder.Scope(&admin.Scope{
			Name:  fmt.Sprint(amount),
			Group: "Amount Greater Than",
			Handle: func(db *gorm.DB, context *qor.Context) *gorm.DB {
				return db.Where("payment_amount > ?", amount)
			},
		})
	}

	abandonedOrder.IndexAttrs("-ShippingAddress", "-BillingAddress", "-DiscountValue", "-OrderItems")
	abandonedOrder.NewAttrs("-DiscountValue")
	abandonedOrder.EditAttrs("-DiscountValue")
	abandonedOrder.ShowAttrs("-DiscountValue")

	// Add Store
	store := Admin.AddResource(&models.Store{}, &admin.Config{Menu: []string{"Store Management"}})
	store.AddValidator(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
		if meta := metaValues.Get("Name"); meta != nil {
			if name := utils.ToString(meta.Value); strings.TrimSpace(name) == "" {
				return validations.NewError(record, "Name", "Name can't be blank")
			}
		}
		return nil
	})

	// Add Translations
	Admin.AddResource(i18n.I18n, &admin.Config{Menu: []string{"Site Management"}})

	// Add SEOSetting
	Admin.AddResource(&models.SEOSetting{}, &admin.Config{Menu: []string{"Site Management"}, Singleton: true})

	// Add Setting
	Admin.AddResource(&models.Setting{}, &admin.Config{Singleton: true})

	// Add User
	user := Admin.AddResource(&models.User{})
	user.Meta(&admin.Meta{Name: "Gender", Type: "select_one", Collection: []string{"Male", "Female", "Unknown"}})

	user.IndexAttrs("ID", "Email", "Name", "Gender", "Role")
	user.ShowAttrs(
		&admin.Section{
			Title: "Basic Information",
			Rows: [][]string{
				{"Name"},
				{"Email", "Password"},
				{"Gender", "Role"},
			}},
		"Addresses",
	)
	user.EditAttrs(user.ShowAttrs())

	// Add Worker
	Worker := getWorker()
	Admin.AddResource(Worker)

	db.Publish.SetWorker(Worker)
	exchange_actions.RegisterExchangeJobs(i18n.I18n, Worker)

	// Add Publish
	Admin.AddResource(db.Publish, &admin.Config{Singleton: true})
	publish.RegisterL10nForPublish(db.Publish, Admin)

	// Add Search Center Resources
	Admin.AddSearchResource(product, user, order)

	// Add ActionBar
	ActionBar = action_bar.New(Admin, auth.AdminAuth{})
	ActionBar.RegisterAction(&action_bar.Action{Name: "Admin Dashboard", Link: "/admin"})

	initFuncMap()
	initRouter()
}

//.........这里部分代码省略.........
	}

	abandonedOrder.IndexAttrs("-ShippingAddress", "-BillingAddress", "-DiscountValue", "-OrderItems")
	abandonedOrder.NewAttrs("-DiscountValue")
	abandonedOrder.EditAttrs("-DiscountValue")
	abandonedOrder.ShowAttrs("-DiscountValue")

	// Add User
	user := Admin.AddResource(&models.User{}, &admin.Config{Menu: []string{"User Management"}})
	user.Meta(&admin.Meta{Name: "Gender", Config: &admin.SelectOneConfig{Collection: []string{"Male", "Female", "Unknown"}}})
	user.Meta(&admin.Meta{Name: "Role", Config: &admin.SelectOneConfig{Collection: []string{"Admin", "Maintainer", "Member"}}})
	user.Meta(&admin.Meta{Name: "Password",
		Type:            "password",
		FormattedValuer: func(interface{}, *qor.Context) interface{} { return "" },
		Setter: func(resource interface{}, metaValue *resource.MetaValue, context *qor.Context) {
			values := metaValue.Value.([]string)
			if len(values) > 0 {
				if newPassword := values[0]; newPassword != "" {
					bcryptPassword, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
					if err != nil {
						context.DB.AddError(validations.NewError(user, "Password", "Can't encrpt password"))
						return
					}
					u := resource.(*models.User)
					u.Password = string(bcryptPassword)
				}
			}
		},
	})
	user.Meta(&admin.Meta{Name: "Confirmed", Valuer: func(user interface{}, ctx *qor.Context) interface{} {
		if user.(*models.User).ID == 0 {
			return true
		}
		return user.(*models.User).Confirmed
	}})

	user.Filter(&admin.Filter{
		Name: "Role",
		Config: &admin.SelectOneConfig{
			Collection: []string{"Admin", "Maintainer", "Member"},
		},
	})

	user.IndexAttrs("ID", "Email", "Name", "Gender", "Role")
	user.ShowAttrs(
		&admin.Section{
			Title: "Basic Information",
			Rows: [][]string{
				{"Name"},
				{"Email", "Password"},
				{"Gender", "Role"},
				{"Confirmed"},
			}},
		"Addresses",
	)
	user.EditAttrs(user.ShowAttrs())

	// Add Store
	store := Admin.AddResource(&models.Store{}, &admin.Config{Menu: []string{"Store Management"}})
	store.Meta(&admin.Meta{Name: "Owner", Type: "single_edit"})
	store.AddValidator(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
		if meta := metaValues.Get("Name"); meta != nil {
			if name := utils.ToString(meta.Value); strings.TrimSpace(name) == "" {
				return validations.NewError(record, "Name", "Name can't be blank")
			}
		}
		return nil
	})

	// Add Translations
	Admin.AddResource(i18n.I18n, &admin.Config{Menu: []string{"Site Management"}, Priority: 1})

	// Add SEOSetting
	Admin.AddResource(&models.SEOSetting{}, &admin.Config{Menu: []string{"Site Management"}, Singleton: true, Priority: 2})

	// Add Worker
	Worker := getWorker()
	Admin.AddResource(Worker, &admin.Config{Menu: []string{"Site Management"}})

	db.Publish.SetWorker(Worker)
	exchange_actions.RegisterExchangeJobs(i18n.I18n, Worker)

	// Add Publish
	Admin.AddResource(db.Publish, &admin.Config{Menu: []string{"Site Management"}, Singleton: true})
	publish.RegisterL10nForPublish(db.Publish, Admin)

	// Add Setting
	Admin.AddResource(&models.Setting{}, &admin.Config{Name: "Shop Setting", Singleton: true})

	// Add Search Center Resources
	Admin.AddSearchResource(product, user, order)

	// Add ActionBar
	ActionBar = action_bar.New(Admin, auth.AdminAuth{})
	ActionBar.RegisterAction(&action_bar.Action{Name: "Admin Dashboard", Link: "/admin"})

	initWidgets()
	initFuncMap()
	initRouter()
}

// Register register activity feature for an qor resource
func Register(res *admin.Resource) {
	var (
		qorAdmin         = res.GetAdmin()
		activityResource = qorAdmin.GetResource("QorActivity")
	)

	if activityResource == nil {
		// Auto run migration before add resource
		res.GetAdmin().Config.DB.AutoMigrate(&QorActivity{})

		activityResource = qorAdmin.AddResource(&QorActivity{}, &admin.Config{Invisible: true})
		activityResource.Meta(&admin.Meta{Name: "Action", Type: "hidden", Valuer: func(value interface{}, ctx *qor.Context) interface{} {
			act := value.(*QorActivity)
			if act.Action == "" {
				act.Action = "comment on"
			}
			return activityResource.GetAdmin().T(ctx, "activity."+act.Action, act.Action)
		}})
		activityResource.Meta(&admin.Meta{Name: "UpdatedAt", Type: "hidden", Valuer: func(value interface{}, ctx *qor.Context) interface{} {
			return utils.FormatTime(value.(*QorActivity).UpdatedAt, "Jan 2 15:04", ctx)
		}})
		activityResource.Meta(&admin.Meta{Name: "URL", Valuer: func(value interface{}, ctx *qor.Context) interface{} {
			return fmt.Sprintf("/admin/%v/%v/!%v/%v/edit", res.ToParam(), res.GetPrimaryValue(ctx.Request), activityResource.ToParam(), value.(*QorActivity).ID)
		}})

		assetManager := qorAdmin.GetResource("AssetManager")
		if assetManager == nil {
			assetManager = qorAdmin.AddResource(&media_library.AssetManager{}, &admin.Config{Invisible: true})
		}

		activityResource.Meta(&admin.Meta{Name: "Content", Type: "rich_editor", Resource: assetManager})
		activityResource.Meta(&admin.Meta{Name: "Note", Type: "string", Resource: assetManager})
		activityResource.EditAttrs("Action", "Content", "Note")
		activityResource.ShowAttrs("ID", "Action", "Content", "Note", "URL", "UpdatedAt", "CreatorName")
		activityResource.AddValidator(func(record interface{}, metaValues *resource.MetaValues, context *qor.Context) error {
			if meta := metaValues.Get("Content"); meta != nil {
				if name := utils.ToString(meta.Value); strings.TrimSpace(name) == "" {
					return validations.NewError(record, "Content", "Content can't be blank")
				}
			}
			return nil
		})
	}

	res.GetAdmin().RegisterViewPath("github.com/qor/activity/views")
	res.UseTheme("activity")

	qorAdmin.RegisterFuncMap("activity_resource", func() *admin.Resource {
		return qorAdmin.GetResource("QorActivity")
	})

	qorAdmin.RegisterFuncMap("get_activities_count", func(context *admin.Context) int {
		return GetActivitiesCount(context)
	})

	router := res.GetAdmin().GetRouter()
	ctrl := controller{ActivityResource: activityResource}
	router.Get(fmt.Sprintf("/%v/%v/!qor_activities", res.ToParam(), res.ParamIDName()), ctrl.GetActivity)
	router.Post(fmt.Sprintf("/%v/%v/!qor_activities", res.ToParam(), res.ParamIDName()), ctrl.CreateActivity)
	router.Post(fmt.Sprintf("/%v/%v/!qor_activities/%v/edit", res.ToParam(), res.ParamIDName(), activityResource.ParamIDName()), ctrl.UpdateActivity)
}

// ConfigureQorResourceBeforeInitialize configure qor resource for qor admin
func (serialize *SerializableMeta) ConfigureQorResourceBeforeInitialize(res resource.Resourcer) {
	if res, ok := res.(*admin.Resource); ok {
		res.GetAdmin().RegisterViewPath("github.com/qor/serializable_meta/views")

		if _, ok := res.Value.(SerializableMetaInterface); ok {
			if res.GetMeta("Kind") == nil {
				res.Meta(&admin.Meta{
					Name: "Kind",
					Type: "hidden",
					Valuer: func(value interface{}, context *qor.Context) interface{} {
						defer func() {
							if r := recover(); r != nil {
								utils.ExitWithMsg("SerializableMeta: Can't Get Kind")
							}
						}()

						return value.(SerializableMetaInterface).GetSerializableArgumentKind()
					},
					Setter: func(value interface{}, metaValue *resource.MetaValue, context *qor.Context) {
						value.(SerializableMetaInterface).SetSerializableArgumentKind(utils.ToString(metaValue.Value))
					},
				})
			}

			if res.GetMeta("SerializableMeta") == nil {
				res.Meta(&admin.Meta{
					Name: "SerializableMeta",
					Type: "serializable_meta",
					Valuer: func(value interface{}, context *qor.Context) interface{} {
						if serializeArgument, ok := value.(SerializableMetaInterface); ok {
							return struct {
								Value    interface{}
								Resource *admin.Resource
							}{
								Value:    serializeArgument.GetSerializableArgument(serializeArgument),
								Resource: serializeArgument.GetSerializableArgumentResource(),
							}
						}
						return nil
					},
					FormattedValuer: func(value interface{}, context *qor.Context) interface{} {
						if serializeArgument, ok := value.(SerializableMetaInterface); ok {
							return serializeArgument.GetSerializableArgument(serializeArgument)
						}
						return nil
					},
					Setter: func(result interface{}, metaValue *resource.MetaValue, context *qor.Context) {
						if serializeArgument, ok := result.(SerializableMetaInterface); ok {
							if serializeArgumentResource := serializeArgument.GetSerializableArgumentResource(); serializeArgumentResource != nil {
								var clearUpRecord, fillUpRecord func(record interface{}, metaors []resource.Metaor, metaValues []*resource.MetaValue)
								// Keep original value, so if user don't have permission to update some fields, we won't lost the data
								value := serializeArgument.GetSerializableArgument(serializeArgument)

								for _, fc := range serializeArgumentResource.Validators {
									context.AddError(fc(value, metaValue.MetaValues, context))
								}

								// Clear all nested slices if has related form data
								clearUpRecord = func(record interface{}, metaors []resource.Metaor, metaValues []*resource.MetaValue) {
									for _, meta := range metaors {
										for _, metaValue := range metaValues {
											if meta.GetName() == metaValue.Name {
												if metaResource, ok := meta.GetResource().(*admin.Resource); ok && metaResource != nil && metaValue.MetaValues != nil {
													nestedFieldValue := reflect.Indirect(reflect.ValueOf(record)).FieldByName(meta.GetFieldName())
													if nestedFieldValue.Kind() == reflect.Struct {
														clearUpRecord(nestedFieldValue.Addr().Interface(), metaResource.GetMetas([]string{}), metaValue.MetaValues.Values)
													} else if nestedFieldValue.Kind() == reflect.Slice {
														nestedFieldValue.Set(reflect.Zero(nestedFieldValue.Type()))
													}
												}
											}
										}
									}
								}
								clearUpRecord(value, serializeArgumentResource.GetMetas([]string{}), metaValue.MetaValues.Values)

								fillUpRecord = func(record interface{}, metaors []resource.Metaor, metaValues []*resource.MetaValue) {
									for _, meta := range metaors {
										for _, metaValue := range metaValues {
											if meta.GetName() == metaValue.Name {
												if metaResource, ok := meta.GetResource().(*admin.Resource); ok && metaResource != nil && metaValue.MetaValues != nil {
													nestedFieldValue := reflect.Indirect(reflect.ValueOf(record)).FieldByName(meta.GetFieldName())

													if nestedFieldValue.Kind() == reflect.Struct {
														nestedValue := nestedFieldValue.Addr().Interface()
														for _, fc := range metaResource.Validators {
															context.AddError(fc(nestedValue, metaValue.MetaValues, context))
														}

														fillUpRecord(nestedValue, metaResource.GetMetas([]string{}), metaValue.MetaValues.Values)

														for _, fc := range metaResource.Processors {
															context.AddError(fc(nestedValue, metaValue.MetaValues, context))
														}
													}

													if nestedFieldValue.Kind() == reflect.Slice {
														nestedValue := reflect.New(nestedFieldValue.Type().Elem())

//.........这里部分代码省略.........