68 lines
2 KiB
Go
68 lines
2 KiB
Go
/*
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* Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
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* Copyright (c) 2021-2024 Piotr Grabowski
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gomicsv
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import (
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"fmt"
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"log"
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"os"
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"path/filepath"
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"strings"
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"github.com/fauu/gomicsv/archive"
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)
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func (app *App) maybeSaveReadingPosition() {
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var http = app.S.Archive.Kind() == archive.HTTPKind
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if (!http && !app.Config.RememberPosition) ||
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(http && !app.Config.RememberPositionHTTP) {
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return
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}
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readLaterFilePath := app.readLaterFilePath(app.S.ArchivePath)
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f, err := os.Create(readLaterFilePath)
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if err != nil {
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log.Printf("Error creating read later file '%s': %v", readLaterFilePath, err)
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return
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}
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defer f.Close()
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fmt.Fprintf(f, "archive-pos=%d", app.S.ArchivePos)
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}
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func (app *App) loadReadingPosition(archivePath string) (int, error) {
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readLaterFilePath := app.readLaterFilePath(archivePath)
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f, err := os.Open(readLaterFilePath)
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if err != nil {
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return 0, fmt.Errorf("opening read later file '%s': %v", readLaterFilePath, err)
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}
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defer f.Close()
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var archivePos int
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_, err = fmt.Fscanf(f, "archive-pos=%d", &archivePos)
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if err != nil {
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return 0, fmt.Errorf("reading 'archive-pos' from read later file '%s': %v", readLaterFilePath, err)
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}
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return archivePos, nil
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}
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func (app *App) readLaterFilePath(archivePath string) string {
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filename := strings.ToUpper(md5String(archivePath))
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return filepath.Join(app.S.ReadLaterDirPath, filename)
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}
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