package model

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

type UserPatent struct {
	*model.UserPatent
}

type UserPatentInfo struct {
	model.Model
	Title       string `json:"title"`
	ApplyAt     string `json:"apply_at"`
	Description string `json:"description"`
}

// Patents 专利信息
func (m *UserPatent) Patents(uid []uint64, page, pageSize int, count *int64, where ...*model.ModelWhere) ([]*UserPatentInfo, error) {
	_uids := make([]string, 0)

	for _, u := range uid {
		_uids = append(_uids, fmt.Sprintf("%d", u))
	}
	db := orm.GetDB().Table(model.NewTechnologyPatent().TableName()+" AS p").
		Select("p.id", "p.title", "p.apply_at", "p.description").
		Joins(fmt.Sprintf("RIGHT JOIN (SELECT patent_id FROM %s WHERE uid IN (%v) is_deleted = %d patent_id) AS u ON p.id = u.patent_id",
			model.NewTechnologyPatent().TableName(), strings.Join(_uids, ","), model.DeleteStatusForNot)).
		Where("u.is_deleted = ?", model.DeleteStatusForNot)

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