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// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package storage // import "miniflux.app/v2/internal/storage"
import (
"database/sql"
"fmt"
"strings"
"miniflux.app/v2/internal/model"
)
// GetEnclosures returns all attachments for the given entry.
func (s *Storage) GetEnclosures(entryID int64) (model.EnclosureList, error) {
query := `
SELECT
id,
user_id,
entry_id,
url,
size,
mime_type,
media_progression
FROM
enclosures
WHERE
entry_id = $1
ORDER BY id ASC
`
rows, err := s.db.Query(query, entryID)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch enclosures: %v`, err)
}
defer rows.Close()
enclosures := make(model.EnclosureList, 0)
for rows.Next() {
var enclosure model.Enclosure
err := rows.Scan(
&enclosure.ID,
&enclosure.UserID,
&enclosure.EntryID,
&enclosure.URL,
&enclosure.Size,
&enclosure.MimeType,
&enclosure.MediaProgression,
)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch enclosure row: %v`, err)
}
enclosures = append(enclosures, &enclosure)
}
return enclosures, nil
}
func (s *Storage) GetEnclosure(enclosureID int64) (*model.Enclosure, error) {
query := `
SELECT
id,
user_id,
entry_id,
url,
size,
mime_type,
media_progression
FROM
enclosures
WHERE
id = $1
ORDER BY id ASC
`
row := s.db.QueryRow(query, enclosureID)
var enclosure model.Enclosure
err := row.Scan(
&enclosure.ID,
&enclosure.UserID,
&enclosure.EntryID,
&enclosure.URL,
&enclosure.Size,
&enclosure.MimeType,
&enclosure.MediaProgression,
)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch enclosure row: %v`, err)
}
return &enclosure, nil
}
func (s *Storage) createEnclosure(tx *sql.Tx, enclosure *model.Enclosure) error {
enclosureURL := strings.TrimSpace(enclosure.URL)
if enclosureURL == "" {
return nil
}
query := `
INSERT INTO enclosures
(url, size, mime_type, entry_id, user_id, media_progression)
VALUES
($1, $2, $3, $4, $5, $6)
ON CONFLICT (user_id, entry_id, md5(url)) DO NOTHING
RETURNING
id
`
if err := tx.QueryRow(
query,
enclosureURL,
enclosure.Size,
enclosure.MimeType,
enclosure.EntryID,
enclosure.UserID,
enclosure.MediaProgression,
).Scan(&enclosure.ID); err != nil && err != sql.ErrNoRows {
return fmt.Errorf(`store: unable to create enclosure: %w`, err)
}
return nil
}
func (s *Storage) updateEnclosures(tx *sql.Tx, entry *model.Entry) error {
if len(entry.Enclosures) == 0 {
return nil
}
sqlValues := []any{entry.UserID, entry.ID}
sqlPlaceholders := []string{}
for _, enclosure := range entry.Enclosures {
sqlPlaceholders = append(sqlPlaceholders, fmt.Sprintf(`$%d`, len(sqlValues)+1))
sqlValues = append(sqlValues, strings.TrimSpace(enclosure.URL))
if err := s.createEnclosure(tx, enclosure); err != nil {
return err
}
}
query := `
DELETE FROM
enclosures
WHERE
user_id=$1 AND entry_id=$2 AND url NOT IN (%s)
`
query = fmt.Sprintf(query, strings.Join(sqlPlaceholders, `,`))
_, err := tx.Exec(query, sqlValues...)
if err != nil {
return fmt.Errorf(`store: unable to delete old enclosures: %v`, err)
}
return nil
}
func (s *Storage) UpdateEnclosure(enclosure *model.Enclosure) error {
query := `
UPDATE
enclosures
SET
url=$1,
size=$2,
mime_type=$3,
entry_id=$4,
user_id=$5,
media_progression=$6
WHERE
id=$7
`
_, err := s.db.Exec(query,
enclosure.URL,
enclosure.Size,
enclosure.MimeType,
enclosure.EntryID,
enclosure.UserID,
enclosure.MediaProgression,
enclosure.ID,
)
if err != nil {
return fmt.Errorf(`store: unable to update enclosure #%d : %v`, enclosure.ID, err)
}
return nil
}
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