package models
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import (
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"encoding/json"
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"fmt"
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"gorm.io/gorm"
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"wms/pkg/mysqlx"
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)
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type (
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// Attribute 动态属性表
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Attribute struct {
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gorm.Model
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Name string `gorm:"type:varchar(100);not null;default:''" json:"name"` //属性名称
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DataType DataType `gorm:"type:tinyint;not null;default:0" json:"dataType"` //值类型（1字符串 2 int 3 下拉框 ）
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EntityType EntityType `gorm:"type:tinyint;not null;default:0" json:"entityType"` //给谁用的 1 物料（产品）
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SelectValues []string `json:"selectValues" gorm:"-"` //dateType=3时用
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SelectValue string `json:"-" gorm:"type:text;"`
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Value string `json:"value" gorm:"-"` //从AttributeValue取到的value
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}
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AttributeSearch struct {
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Attribute
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Order string
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PageNum int
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PageSize int
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Orm *gorm.DB
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Keyword string
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IDs []uint
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}
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)
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type DataType int
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const (
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DataTypeString = 1 //手填字符串
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DataTypeInt = 2 //手填整型
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DataTypeSelect = 3 //下拉框
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)
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type EntityType int
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const (
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EntityTypeProduct = 1
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)
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func (slf *Attribute) TableName() string {
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return "wms_attribute"
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}
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func (slf *Attribute) BeforeCreate(tx *gorm.DB) (err error) {
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if len(slf.SelectValues) != 0 {
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bts, err := json.Marshal(slf.SelectValues)
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if err != nil {
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return err
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}
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slf.SelectValue = string(bts)
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}
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return nil
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}
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func (slf *Attribute) BeforeUpdate(tx *gorm.DB) (err error) {
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if len(slf.SelectValues) != 0 {
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bts, err := json.Marshal(slf.SelectValues)
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if err != nil {
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return err
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}
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slf.SelectValue = string(bts)
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}
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return nil
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}
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func (slf *Attribute) AfterFind(tx *gorm.DB) (err error) {
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if slf.SelectValue != "" {
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var list []string
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err = json.Unmarshal([]byte(slf.SelectValue), &list)
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if err != nil {
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return err
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}
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slf.SelectValues = list
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}
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return nil
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}
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func NewAttributeSearch() *AttributeSearch {
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return &AttributeSearch{Orm: mysqlx.GetDB()}
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}
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func (slf *AttributeSearch) SetOrm(tx *gorm.DB) *AttributeSearch {
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slf.Orm = tx
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return slf
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}
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func (slf *AttributeSearch) SetPage(page, size int) *AttributeSearch {
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slf.PageNum, slf.PageSize = page, size
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return slf
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}
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func (slf *AttributeSearch) SetOrder(order string) *AttributeSearch {
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slf.Order = order
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return slf
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}
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func (slf *AttributeSearch) SetID(id uint) *AttributeSearch {
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slf.ID = id
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return slf
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}
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func (slf *AttributeSearch) SetIDs(ids []uint) *AttributeSearch {
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slf.IDs = ids
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return slf
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}
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func (slf *AttributeSearch) SetName(name string) *AttributeSearch {
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slf.Name = name
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return slf
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}
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func (slf *AttributeSearch) SetEntityType(entityType EntityType) *AttributeSearch {
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slf.EntityType = entityType
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return slf
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}
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func (slf *AttributeSearch) build() *gorm.DB {
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var db = slf.Orm.Table(slf.TableName())
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if slf.ID != 0 {
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db = db.Where("id = ?", slf.ID)
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}
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if len(slf.IDs) != 0 {
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db = db.Where("id in ?", slf.IDs)
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}
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if slf.Order != "" {
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db = db.Order(slf.Order)
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}
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if slf.EntityType != 0 {
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db = db.Where("entity_type = ?", slf.EntityType)
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}
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if slf.Name != "" {
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db = db.Where("name = ?", slf.Name)
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}
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if slf.Keyword != "" {
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db = db.Where("id like ? or data_type like ? ", fmt.Sprintf("%%%v%%", slf.Keyword), fmt.Sprintf("%%%v%%", slf.Keyword))
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}
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return db
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}
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// Create 单条插入
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func (slf *AttributeSearch) Create(record *Attribute) error {
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var db = slf.build()
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if err := db.Create(record).Error; err != nil {
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return fmt.Errorf("create err: %v, record: %+v", err, record)
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}
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return nil
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}
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// CreateBatch 批量插入
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func (slf *AttributeSearch) CreateBatch(records []*Attribute) error {
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var db = slf.build()
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if err := db.Create(&records).Error; err != nil {
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return fmt.Errorf("create batch err: %v, records: %+v", err, records)
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}
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return nil
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}
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func (slf *AttributeSearch) Save(record *Attribute) error {
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var db = slf.build()
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if err := db.Omit("CreatedAt").Save(record).Error; err != nil {
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return fmt.Errorf("save err: %v, record: %+v", err, record)
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}
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return nil
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}
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func (slf *AttributeSearch) UpdateByMap(upMap map[string]interface{}) error {
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var (
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db = slf.build()
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)
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if err := db.Updates(upMap).Error; err != nil {
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return fmt.Errorf("update by map err: %v, upMap: %+v", err, upMap)
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}
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return nil
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}
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func (slf *AttributeSearch) UpdateByQuery(query string, args []interface{}, upMap map[string]interface{}) error {
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var (
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db = slf.Orm.Table(slf.TableName()).Where(query, args...)
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)
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if err := db.Updates(upMap).Error; err != nil {
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return fmt.Errorf("update by query err: %v, query: %s, args: %+v, upMap: %+v", err, query, args, upMap)
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}
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return nil
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}
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func (slf *AttributeSearch) Delete() error {
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var db = slf.build()
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if err := db.Unscoped().Delete(&Attribute{}).Error; err != nil {
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return err
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}
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return nil
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}
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func (slf *AttributeSearch) First() (*Attribute, error) {
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var (
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record = new(Attribute)
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db = slf.build()
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)
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if err := db.First(record).Error; err != nil {
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return record, err
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}
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return record, nil
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}
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func (slf *AttributeSearch) Find() ([]*Attribute, int64, error) {
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var (
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records = make([]*Attribute, 0)
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total int64
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db = slf.build()
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)
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if err := db.Count(&total).Error; err != nil {
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return records, total, fmt.Errorf("find count err: %v", err)
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}
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if slf.PageNum*slf.PageSize > 0 {
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db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
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}
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if err := db.Find(&records).Error; err != nil {
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return records, total, fmt.Errorf("find records err: %v", err)
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}
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return records, total, nil
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}
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func (slf *AttributeSearch) FindNotTotal() ([]*Attribute, error) {
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var (
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records = make([]*Attribute, 0)
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db = slf.build()
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)
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if slf.PageNum*slf.PageSize > 0 {
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db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
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}
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if err := db.Find(&records).Error; err != nil {
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return records, fmt.Errorf("find records err: %v", err)
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}
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return records, nil
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}
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// FindByQuery 指定条件查询.
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func (slf *AttributeSearch) FindByQuery(query string, args []interface{}) ([]*Attribute, int64, error) {
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var (
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records = make([]*Attribute, 0)
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total int64
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db = slf.Orm.Table(slf.TableName()).Where(query, args...)
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)
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if err := db.Count(&total).Error; err != nil {
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return records, total, fmt.Errorf("find by query count err: %v", err)
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}
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if slf.PageNum*slf.PageSize > 0 {
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db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
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}
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if err := db.Find(&records).Error; err != nil {
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return records, total, fmt.Errorf("find by query records err: %v, query: %s, args: %+v", err, query, args)
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}
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return records, total, nil
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}
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// FindByQueryNotTotal 指定条件查询&不查询总条数.
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func (slf *AttributeSearch) FindByQueryNotTotal(query string, args []interface{}) ([]*Attribute, error) {
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var (
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records = make([]*Attribute, 0)
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db = slf.Orm.Table(slf.TableName()).Where(query, args...)
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)
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if slf.PageNum*slf.PageSize > 0 {
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db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
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}
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if err := db.Find(&records).Error; err != nil {
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return records, fmt.Errorf("find by query records err: %v, query: %s, args: %+v", err, query, args)
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}
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return records, nil
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}
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