package model

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

// TechnologyDemand 技术需求
type TechnologyDemand struct {
	*model.TechnologyDemand
}

type TechnologyDemandInfo struct {
	*model.ServiceDemand
	model.Area
}

// Demand 需求信息
func (m *TechnologyDemand) Demand(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*TechnologyDemandInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS d").
		Select("d.*", "t.province", "t.city").
		Joins(fmt.Sprintf("LEFT JOIN %s AS t ON ", model.NewSysTenant().TableName())).
		Where("d.is_deleted = ?", model.DeleteStatusForNot).
		Where("d.status IN (?)", []model.ServiceDemandStatus{
			model.ServiceDemandStatusForPublish, model.ServiceDemandStatusForAcceptance,
			model.ServiceDemandStatusForComplete,
		})

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

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

func NewTechnologyDemand() *TechnologyDemand {
	return &TechnologyDemand{model.NewTechnologyDemand()}
}