81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
package models
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import (
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"fmt"
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"go-admin/app/admin/models/common"
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orm "go-admin/common/global"
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"gorm.io/gorm"
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)
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type Category struct {
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Model
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Name string `json:"name"` // 分类名称
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Number string `json:"number"` //编号
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Display int8 `json:"state"` // 1 展示 0 隐藏
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Pid uint32 `json:"pid" gorm:"index"` //父分类的编号
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CooperativeBusinessId uint32 `json:"cooperative_business_id"` //合作商id
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}
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func (c *Category) TableName() string {
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return "erp_category"
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}
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func (c *Category) BeforeCreate(tx *gorm.DB) error {
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if c.Number == "" {
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n, err := GenerateNumber(c.CooperativeBusinessId, c.Pid)
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if err != nil {
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return err
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}
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c.Number = n
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}
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return nil
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}
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// GenerateNumber 生成分类编码
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func GenerateNumber(cid uint32, pid uint32) (string, error) {
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m := orm.Eloquent.Model(Category{})
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var count int64
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var err error
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if pid == 0 {
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err = m.Scopes(common.ScopeBusiness(cid)).
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Where("pid", 0).
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Count(&count).
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Error
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("%03d", count), nil
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} else {
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var parent Category
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err = m.
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Scopes(common.ScopeBusiness(cid)).
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Where("id", pid).
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First(&parent).Error
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if err != nil {
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return "", err
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}
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err = m.
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Unscoped().
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Scopes(common.ScopeBusiness(cid)).
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Where("pid", pid).
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Count(&count).
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Error
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("%s%03d", parent.Number, count), nil
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}
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}
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// GetCategoryById 通过id获取分类
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func GetCategoryById(id uint32) (*Category, error) {
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var c *Category
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err := orm.Eloquent.Model(c).Where("id", id).First(c).Error
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if err != nil {
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return nil, err
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}
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return c, nil
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}
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