package model

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

type TechnologyAchievement struct {
	*model.TechnologyAchievement
}

type TechnologyAchievementInfo struct {
	model.Model
	Title      string `json:"title"`
	Industry   string `json:"-"`
	VisitCount int    `json:"visit_count"`
	model.Shelf
	CreatedAt time.Time `json:"created_at"`
}

// Achievement 成果信息
func (m *TechnologyAchievement) Achievement(page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*TechnologyAchievementInfo, error) {
	db := orm.GetDB().Table(m.TableName()+" AS a").
		Select("a.id", "a.title", "a.industry", "v.count AS visit_count", "a.shelf_status", "a.created_at").
		Joins(fmt.Sprintf("LEFT JOIN (SELECT achievement_id, COUNT(id) AS count FROM %s WHERE is_deleted = %d) AS v ON a.id = v.achievement_id",
			model.NewTechnologyAchievementVisit().TableName(), model.DeleteStatusForNot)).
		Where("a.is_deleted = ?", model.DeleteStatusForNot)

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

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

func NewTechnologyAchievement() *TechnologyAchievement {
	return &TechnologyAchievement{model.NewTechnologyAchievement()}
}