package model

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

type TechnologyPaper struct {
	*model.TechnologyPaper
}

type TechnologyPaperInfo struct {
	model.Model
	model.ModelTenant
	Title     string `json:"title"`
	Author    string `json:"author"`
	PublishAt string `json:"publish_at"`
	model.Area
}

func (m *TechnologyPaper) Paper(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*TechnologyPaperInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS p").
		Select("p.id", "p.title", "p.author", "a.publish_at", "p.tenant_id", "t.province", "t.city").
		Joins(fmt.Sprintf("LEFT JOIN %s AS t ON p.tanant_id = t.id", model.NewSysTenant().TableName())).
		Where("p.is_deleted = ?", model.DeleteStatusForNot)

	if len(where) > 0 {
		for _, v := range where {
			db = db.Where(v.Condition, v.Value)
		}
	}
	out := make([]*TechnologyPaperInfo, 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 NewTechnologyPaper() *TechnologyPaper {
	return &TechnologyPaper{model.NewTechnologyPaper()}
}