Refactoring: clean architecture project structure

internal/repo/sqlite/file_sqlite.go

@@ -0,0 +1,55 @@
+package sqlite
+
+import (
+	"database/sql"
+	"fmt"
+
+	"git.vakhrushev.me/av/transcriber/internal/entity"
+	"github.com/doug-martin/goqu/v9"
+)
+
+type FileRepository struct {
+	db *sql.DB
+	gq *goqu.Database
+}
+
+func NewFileRepository(conn *sql.DB, gq *goqu.Database) *FileRepository {
+	return &FileRepository{conn, gq}
+}
+
+func (repo *FileRepository) Create(file *entity.File) error {
+	record := goqu.Record{
+		"id":         file.Id,
+		"storage":    file.Storage,
+		"size":       file.Size,
+		"created_at": file.CreatedAt,
+	}
+	query := repo.gq.Insert("files").Rows(record)
+	sql, args, err := query.ToSQL()
+	if err != nil {
+		return fmt.Errorf("failed to build query: %w", err)
+	}
+
+	_, err = repo.db.Exec(sql, args...)
+	if err != nil {
+		return fmt.Errorf("failed to insert file: %w", err)
+	}
+
+	return nil
+}
+
+func (repo *FileRepository) GetByID(id string) (*entity.File, error) {
+	query := repo.gq.From("files").Select("id", "storage", "size", "created_at").Where(goqu.C("id").Eq(id))
+	sql, args, err := query.ToSQL()
+	if err != nil {
+		return nil, fmt.Errorf("failed to build query: %w", err)
+	}
+
+	var file entity.File
+	err = repo.db.QueryRow(sql, args...).Scan(&file.Id, &file.Storage, &file.Size, &file.CreatedAt)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get file: %w", err)
+	}
+
+	return &file, nil
+}