gun-manager-backend/sql/guns.go

package sql

import (
	"database/sql"
	"log"
)

func (dbClient *SqlDb) AllGuns() []Gun {

	var guns []Gun

	rows, _ := dbClient.db.Query("select guns.*, p.id, p.gun_id, p.filename from guns join photos p on guns.id = p.gun_id order by guns.id")
	defer func(rows *sql.Rows) {
		_ = rows.Close()
	}(rows)

	for rows.Next() {
		i := Gun{}
		p := Photo{}
		err := rows.Scan(
			&i.Id,
			&i.Make,
			&i.Model,
			&i.SerialNumber,
			&i.PurchaseAmount,
			&i.ValueAmount,
			&i.DatePurchased,
			&i.Notes,
			&p.Id,
			&p.GunId,
			&p.FileName,
		)

		if err != nil {
			log.Fatal(err)
		}

		index := -1
		for gunIndex, gun := range guns {
			if gun.Id == i.Id {
				index = gunIndex
				continue
			}

			index = -1
		}

		if index == -1 {
			guns = append(guns, i)
			index = len(guns) - 1
		}

		guns[index].Photos = append(guns[index].Photos, p)
	}

	return guns
}

func (dbClient *SqlDb) GunById(id uint) (*Gun, error) {
	var gun Gun

	row, _ := dbClient.db.Query("select guns.*, p.id, p.gun_id, p.filename from guns join photos p on guns.id = p.gun_id where guns.id = ?", id)

	err := row.Scan(gun)
	if err != nil {
		return nil, err
	}

	return &gun, nil
}