mirror of https://github.com/miniflux/v2.git
94 lines
2.2 KiB
Go
94 lines
2.2 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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"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 := `SELECT
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id, user_id, entry_id, url, size, mime_type
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FROM enclosures
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WHERE entry_id = $1 ORDER BY id ASC`
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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("unable to get 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("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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// CreateEnclosure creates a new attachment.
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func (s *Storage) CreateEnclosure(enclosure *model.Enclosure) error {
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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 id
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`
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err := s.db.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("unable to create enclosure: %v", err)
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}
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return nil
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}
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// IsEnclosureExists checks if an attachment exists.
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func (s *Storage) IsEnclosureExists(enclosure *model.Enclosure) bool {
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var result int
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query := `SELECT count(*) as c FROM enclosures WHERE user_id=$1 AND entry_id=$2 AND url=$3`
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s.db.QueryRow(query, enclosure.UserID, enclosure.EntryID, enclosure.URL).Scan(&result)
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return result >= 1
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}
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// UpdateEnclosures add missing attachments while updating a feed.
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func (s *Storage) UpdateEnclosures(enclosures model.EnclosureList) error {
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for _, enclosure := range enclosures {
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if !s.IsEnclosureExists(enclosure) {
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err := s.CreateEnclosure(enclosure)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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