ArmedPolice/app/model/manage_material.go

package model

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

type ManageMaterial struct {
	*model.ManageMaterial
}

type (
	// ManageMaterialBasic 基本信息
	ManageMaterialBasic struct {
		ID               uint64  `json:"id"`
		Code             string  `json:"code"`
		Title            string  `json:"title"`
		Price            float64 `json:"price"`
		ManufacturerName string  `json:"manufacturer_name"`
	}
	ManageMaterialInfo struct {
		*model.ManageMaterial
		ManufacturerName string `json:"manufacturer_name"` // 制造商
		SupplierName     string `json:"supplier_name"`     // 合作商
	}
)

// Basic 器材信息
func (m *ManageMaterial) Basic(where ...*model.ModelWhere) ([]*ManageMaterialBasic, error) {
	mManageSupplier := model.NewManageSupplier()

	db := orm.GetDB().Table(m.TableName()+" AS m").
		Select("m.id", "m.code", "m.title", "m.price", "manufacturer.name AS manufacturer_name").
		Joins(fmt.Sprintf("LEFT JOIN %s AS manufacturer ON m.manufacturer_id = manufacturer.id", mManageSupplier.TableName()))

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

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

}

// Materials 器材信息
func (m *ManageMaterial) Materials(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*ManageMaterialInfo, error) {
	mManageSupplier := model.NewManageSupplier()

	db := orm.GetDB().Table(m.TableName()+" AS m").
		Select("m.*", "manufacturer.name AS manufacturer_name", "s.name AS supplier_name").
		Joins(fmt.Sprintf("LEFT JOIN %s AS manufacturer ON m.manufacturer_id = manufacturer.id", mManageSupplier.TableName())).
		Joins(fmt.Sprintf("LEFT JOIN %s AS m_s ON m.id = m_s.material_id AND m_s.is_deleted = %d",
			model.NewManageMaterialSupplier().TableName(), model.DeleteStatusForNot)).
		Joins(fmt.Sprintf("LEFT JOIN %s AS s ON m_s.supplier_id = s.id", mManageSupplier.TableName()))

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

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

}

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