Exemple #1
0
// Adds a file to the database.
func InsertFile(tx *Tx, path string, fingerprint fingerprint.Fingerprint, modTime time.Time, size int64, isDir bool) (*entities.File, error) {
	directory := filepath.Dir(path)
	name := filepath.Base(path)

	sql := `
INSERT INTO file (directory, name, fingerprint, mod_time, size, is_dir)
VALUES (?, ?, ?, ?, ?, ?)`

	result, err := tx.Exec(sql, directory, name, string(fingerprint), modTime, size, isDir)
	if err != nil {
		return nil, err
	}

	id, err := result.LastInsertId()
	if err != nil {
		return nil, err
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return nil, err
	}
	if rowsAffected != 1 {
		panic("expected exactly one row to be affected.")
	}

	return &entities.File{entities.FileId(id), directory, name, fingerprint, modTime, size, isDir}, nil
}
Exemple #2
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func readFileTags(rows *sql.Rows, fileTags entities.FileTags) (entities.FileTags, error) {
	for rows.Next() {
		if rows.Err() != nil {
			return nil, rows.Err()
		}

		var fileId entities.FileId
		var tagId entities.TagId
		var valueId entities.ValueId
		err := rows.Scan(&fileId, &tagId, &valueId)
		if err != nil {
			return nil, err
		}

		fileTags = append(fileTags, &entities.FileTag{entities.FileId(fileId), tagId, valueId, true, false})
	}

	return fileTags, nil
}
Exemple #3
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func (vfs FuseVfs) parseFileId(name string) entities.FileId {
	parts := strings.Split(name, ".")

	var index int
	switch len(parts) {
	case 1:
		return 0
	case 2:
		index = 1
	default:
		index = len(parts) - 2
	}

	id, err := asciiToFileId(parts[index])
	if err != nil {
		return 0
	}

	return entities.FileId(id)
}
Exemple #4
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// Updates a file in the database.
func UpdateFile(tx *Tx, fileId entities.FileId, path string, fingerprint fingerprint.Fingerprint, modTime time.Time, size int64, isDir bool) (*entities.File, error) {
	directory := filepath.Dir(path)
	name := filepath.Base(path)

	sql := `
UPDATE file
SET directory = ?, name = ?, fingerprint = ?, mod_time = ?, size = ?, is_dir = ?
WHERE id = ?`

	result, err := tx.Exec(sql, directory, name, string(fingerprint), modTime, size, isDir, int(fileId))
	if err != nil {
		return nil, err
	}

	rowsAffected, err := result.RowsAffected()
	if err != nil {
		return nil, err
	}
	if rowsAffected != 1 {
		panic("expected exactly one row to be affected.")
	}

	return &entities.File{entities.FileId(fileId), directory, name, fingerprint, modTime, size, isDir}, nil
}
Exemple #5
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func asciiToFileId(str string) (entities.FileId, error) {
	ui64, err := strconv.ParseUint(str, 10, 0)
	return entities.FileId(ui64), err
}