cas_tt_cloud_backend/app/api/enterprise/model/sys_patent.go

package model

import (
	"SciencesServer/app/common/model"
	"SciencesServer/serve/orm"
	"fmt"
)

// SysPatent 专利信息
type SysPatent struct {
	*model.SysPatent
}

type SysPatentInfo struct {
	model.Model
	Kind        model.SysParentKind `json:"kind"`
	Title       string              `json:"title"`
	Description string              `json:"description"`
	ApplyAt     string              `json:"apply_at"`
}

// Instance 专利信息
func (m *SysPatent) Instance(where ...*model.ModelWhere) ([]*SysPatentInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS p").
		Select("p.id", "p.title", "LEFT(p.description, 80) AS description", "p.apply_at").
		Joins(fmt.Sprintf("LEFT JOIN %s AS c ON p.ipc_code = c.ipc AND c.is_deleted = %d",
			model.NewSysPatentClassify().TableName(), model.DeleteStatusForNot)).
		Where("p.shelf_status = ?", model.ShelfStatusForUp).
		Where("p.is_deleted = ?", model.DeleteStatusForNot)

	if len(where) > 0 {
		for _, v := range where {
			db = db.Where(v.Condition, v.Value)
		}
	}
	out := make([]*SysPatentInfo, 0)

	if err := db.Scan(&out).Error; err != nil {
		return nil, err
	}
	return out, nil
}

func (m *SysPatent) IsExistParams(params map[string]interface{}) (bool, error) {
	var count int64
	db := orm.GetDB().Table(m.TableName())

	if len(params) > 0 {
		for k, v := range params {
			db = db.Or(fmt.Sprintf("%s = %v AND is_deleted = %d", k, v, model.DeleteStatusForNot))
		}
	}
	err := db.Count(&count).Error
	return count > 0, err
}

func NewSysPatent() *SysPatent {
	return &SysPatent{model.NewSysPatent()}
}