ArmedPolice/app/model/manage_material.go

package model

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

type ManageMaterial struct {
	*model.ManageMaterial
}

type ManageMaterialInfo struct {
	*model.ManageMaterial
	SupplierName string `json:"supplier_name"`
}

func (m *ManageMaterial) Materials(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*ManageMaterialInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS m").
		Select("m.*", "s.name AS supplier_name").
		Joins(fmt.Sprintf("LEFT JOIN %s AS s ON m.supplier_id = s.id", model.NewManageSupplier().TableName()))

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

	if err := db.Order("p.id " + model.OrderModeToDesc).Offset((page - 1) * pageSize).Limit(pageSize).Scan(&out).Error; err != nil {
		return nil, err
	}
	if err := db.Count(count).Error; err != nil {
		return nil, err
	}
	return out, nil

}

func NewManageMaterial() *ManageMaterial {
	return &ManageMaterial{model.NewManageMaterial()}
}