db_status.go

package main

import (
	"context"
	"errors"
	"time"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
)

func AllStatusV2(client *mongo.Client) ([]Status, error) {
	collection := client.Database(*flagDBName).Collection("status")
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()
	findOptions := options.Find()
	findOptions.SetSort(bson.D{{Key: "order", Value: -1}})
	var status []Status
	cursor, err := collection.Find(ctx, bson.D{}, findOptions)
	if err != nil {
		return status, err
	}
	err = cursor.All(ctx, &status)
	if err != nil {
		return status, err
	}
	return status, nil
}

func GetInitStatusIDV2(client *mongo.Client) (string, error) {
	collection := client.Database(*flagDBName).Collection("status")
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()
	s := Status{}
	n, err := collection.CountDocuments(ctx, bson.M{"initstatus": true})
	if err != nil {
		return "", err
	}
	if n == 0 {
		return "", errors.New("아이템 생성시 초기 Status로 사용할 Status 설정이 필요합니다")
	}
	if n != 1 {
		return "", errors.New("초기 상태 설정값이 1개가 아닙니다")
	}
	err = collection.FindOne(ctx, bson.M{"initstatus": true}).Decode(&s)
	if err != nil {
		return "", err
	}
	return s.ID, nil
}