mirror of https://github.com/miniflux/v2.git
102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package storage // import "miniflux.app/storage"
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import (
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"database/sql"
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"fmt"
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"miniflux.app/model"
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)
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// GetEnclosures returns all attachments for the given entry.
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func (s *Storage) GetEnclosures(entryID int64) (model.EnclosureList, error) {
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query := `
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SELECT
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id,
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user_id,
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entry_id,
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url,
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size,
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mime_type
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FROM
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enclosures
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WHERE
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entry_id = $1
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ORDER BY id ASC
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`
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rows, err := s.db.Query(query, entryID)
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if err != nil {
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return nil, fmt.Errorf(`store: unable to fetch enclosures: %v`, err)
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}
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defer rows.Close()
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enclosures := make(model.EnclosureList, 0)
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for rows.Next() {
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var enclosure model.Enclosure
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err := rows.Scan(
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&enclosure.ID,
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&enclosure.UserID,
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&enclosure.EntryID,
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&enclosure.URL,
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&enclosure.Size,
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&enclosure.MimeType,
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)
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if err != nil {
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return nil, fmt.Errorf(`store: unable to fetch enclosure row: %v`, err)
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}
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enclosures = append(enclosures, &enclosure)
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}
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return enclosures, nil
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}
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func (s *Storage) createEnclosure(tx *sql.Tx, enclosure *model.Enclosure) error {
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if enclosure.URL == "" {
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return nil
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}
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query := `
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INSERT INTO enclosures
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(url, size, mime_type, entry_id, user_id)
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VALUES
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($1, $2, $3, $4, $5)
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RETURNING
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id
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`
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err := tx.QueryRow(
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query,
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enclosure.URL,
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enclosure.Size,
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enclosure.MimeType,
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enclosure.EntryID,
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enclosure.UserID,
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).Scan(&enclosure.ID)
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if err != nil {
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return fmt.Errorf(`store: unable to create enclosure %q: %v`, enclosure.URL, err)
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}
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return nil
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}
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func (s *Storage) updateEnclosures(tx *sql.Tx, userID, entryID int64, enclosures model.EnclosureList) error {
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// We delete all attachments in the transaction to keep only the ones visible in the feeds.
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if _, err := tx.Exec(`DELETE FROM enclosures WHERE user_id=$1 AND entry_id=$2`, userID, entryID); err != nil {
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return err
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}
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for _, enclosure := range enclosures {
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if err := s.createEnclosure(tx, enclosure); err != nil {
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return err
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}
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}
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return nil
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}
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