mirror of
https://github.com/miniflux/v2.git
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325 lines
9.9 KiB
Go
325 lines
9.9 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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"errors"
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"fmt"
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"time"
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"miniflux.app/logger"
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"miniflux.app/model"
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"miniflux.app/timer"
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"github.com/lib/pq"
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)
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// CountUnreadEntries returns the number of unread entries.
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func (s *Storage) CountUnreadEntries(userID int64) int {
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builder := s.NewEntryQueryBuilder(userID)
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builder.WithStatus(model.EntryStatusUnread)
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n, err := builder.CountEntries()
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if err != nil {
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logger.Error("unable to count unread entries for user #%d: %v", userID, err)
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return 0
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}
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return n
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}
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// NewEntryQueryBuilder returns a new EntryQueryBuilder
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func (s *Storage) NewEntryQueryBuilder(userID int64) *EntryQueryBuilder {
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return NewEntryQueryBuilder(s, userID)
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}
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// UpdateEntryContent updates entry content.
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func (s *Storage) UpdateEntryContent(entry *model.Entry) error {
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tx, err := s.db.Begin()
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if err != nil {
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return err
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}
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_, err = tx.Exec(`UPDATE entries SET content=$1 WHERE id=$2 AND user_id=$3`, entry.Content, entry.ID, entry.UserID)
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if err != nil {
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tx.Rollback()
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return fmt.Errorf(`unable to update content of entry #%d: %v`, entry.ID, err)
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}
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query := `
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UPDATE entries
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SET document_vectors = setweight(to_tsvector(substring(coalesce(title, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce(content, '') for 1000000)), 'B')
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WHERE id=$1 AND user_id=$2
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`
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_, err = tx.Exec(query, entry.ID, entry.UserID)
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if err != nil {
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tx.Rollback()
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return fmt.Errorf(`unable to update content of entry #%d: %v`, entry.ID, err)
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}
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return tx.Commit()
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}
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// createEntry add a new entry.
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func (s *Storage) createEntry(entry *model.Entry) error {
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query := `
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INSERT INTO entries
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(title, hash, url, comments_url, published_at, content, author, user_id, feed_id, document_vectors)
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VALUES
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($1, $2, $3, $4, $5, $6, $7, $8, $9, setweight(to_tsvector(substring(coalesce($1, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce($6, '') for 1000000)), 'B'))
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RETURNING id, status
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`
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err := s.db.QueryRow(
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query,
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entry.Title,
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entry.Hash,
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entry.URL,
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entry.CommentsURL,
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entry.Date,
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entry.Content,
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entry.Author,
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entry.UserID,
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entry.FeedID,
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).Scan(&entry.ID, &entry.Status)
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if err != nil {
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return fmt.Errorf("unable to create entry %q (feed #%d): %v", entry.URL, entry.FeedID, err)
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}
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for i := 0; i < len(entry.Enclosures); i++ {
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entry.Enclosures[i].EntryID = entry.ID
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entry.Enclosures[i].UserID = entry.UserID
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err := s.CreateEnclosure(entry.Enclosures[i])
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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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return nil
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}
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// updateEntry updates an entry when a feed is refreshed.
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// Note: we do not update the published date because some feeds do not contains any date,
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// it default to time.Now() which could change the order of items on the history page.
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func (s *Storage) updateEntry(entry *model.Entry) error {
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query := `
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UPDATE entries SET
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title=$1, url=$2, comments_url=$3, content=$4, author=$5,
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document_vectors = setweight(to_tsvector(substring(coalesce($1, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce($4, '') for 1000000)), 'B')
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WHERE user_id=$6 AND feed_id=$7 AND hash=$8
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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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entry.Title,
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entry.URL,
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entry.CommentsURL,
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entry.Content,
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entry.Author,
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entry.UserID,
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entry.FeedID,
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entry.Hash,
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).Scan(&entry.ID)
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if err != nil {
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return fmt.Errorf(`unable to update entry %q: %v`, entry.URL, err)
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}
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for _, enclosure := range entry.Enclosures {
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enclosure.UserID = entry.UserID
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enclosure.EntryID = entry.ID
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}
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return s.UpdateEnclosures(entry.Enclosures)
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}
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// entryExists checks if an entry already exists based on its hash when refreshing a feed.
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func (s *Storage) entryExists(entry *model.Entry) bool {
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var result int
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query := `SELECT count(*) as c FROM entries WHERE user_id=$1 AND feed_id=$2 AND hash=$3`
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s.db.QueryRow(query, entry.UserID, entry.FeedID, entry.Hash).Scan(&result)
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return result >= 1
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}
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// cleanupEntries deletes from the database entries marked as "removed" and not visible anymore in the feed.
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func (s *Storage) cleanupEntries(feedID int64, entryHashes []string) error {
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query := `
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DELETE FROM entries
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WHERE feed_id=$1 AND
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id IN (SELECT id FROM entries WHERE feed_id=$2 AND status=$3 AND NOT (hash=ANY($4)))
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`
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if _, err := s.db.Exec(query, feedID, feedID, model.EntryStatusRemoved, pq.Array(entryHashes)); err != nil {
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return fmt.Errorf("unable to cleanup entries: %v", err)
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}
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return nil
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}
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// UpdateEntries updates a list of entries while refreshing a feed.
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func (s *Storage) UpdateEntries(userID, feedID int64, entries model.Entries, updateExistingEntries bool) (err error) {
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var entryHashes []string
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for _, entry := range entries {
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entry.UserID = userID
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entry.FeedID = feedID
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if s.entryExists(entry) {
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if updateExistingEntries {
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err = s.updateEntry(entry)
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}
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} else {
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err = s.createEntry(entry)
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}
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if err != nil {
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return err
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}
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entryHashes = append(entryHashes, entry.Hash)
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}
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if err := s.cleanupEntries(feedID, entryHashes); err != nil {
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logger.Error("[Storage:CleanupEntries] feed #%d: %v", feedID, err)
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}
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return nil
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}
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// ArchiveEntries changes the status of read items to "removed" after specified days.
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func (s *Storage) ArchiveEntries(days int) error {
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query := fmt.Sprintf(`
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UPDATE entries SET status='removed'
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WHERE id=ANY(SELECT id FROM entries WHERE status='read' AND starred is false AND published_at < now () - '%d days'::interval LIMIT 5000)
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`, days)
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if _, err := s.db.Exec(query); err != nil {
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return fmt.Errorf("unable to archive read entries: %v", err)
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}
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return nil
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}
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// SetEntriesStatus update the status of the given list of entries.
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func (s *Storage) SetEntriesStatus(userID int64, entryIDs []int64, status string) error {
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defer timer.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:SetEntriesStatus] userID=%d, entryIDs=%v, status=%s", userID, entryIDs, status))
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query := `UPDATE entries SET status=$1 WHERE user_id=$2 AND id=ANY($3)`
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result, err := s.db.Exec(query, status, userID, pq.Array(entryIDs))
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if err != nil {
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return fmt.Errorf("unable to update entries statuses %v: %v", entryIDs, err)
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}
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count, err := result.RowsAffected()
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if err != nil {
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return fmt.Errorf("unable to update these entries %v: %v", entryIDs, err)
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}
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if count == 0 {
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return errors.New("nothing has been updated")
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}
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return nil
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}
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// ToggleBookmark toggles entry bookmark value.
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func (s *Storage) ToggleBookmark(userID int64, entryID int64) error {
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defer timer.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:ToggleBookmark] userID=%d, entryID=%d", userID, entryID))
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query := `UPDATE entries SET starred = NOT starred WHERE user_id=$1 AND id=$2`
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result, err := s.db.Exec(query, userID, entryID)
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if err != nil {
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return fmt.Errorf("unable to toggle bookmark flag for entry #%d: %v", entryID, err)
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}
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count, err := result.RowsAffected()
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if err != nil {
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return fmt.Errorf("unable to toogle bookmark flag for entry #%d: %v", entryID, err)
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}
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if count == 0 {
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return errors.New("nothing has been updated")
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}
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return nil
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}
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// FlushHistory set all entries with the status "read" to "removed".
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func (s *Storage) FlushHistory(userID int64) error {
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defer timer.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:FlushHistory] userID=%d", userID))
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query := `UPDATE entries SET status=$1 WHERE user_id=$2 AND status=$3 AND starred='f'`
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_, err := s.db.Exec(query, model.EntryStatusRemoved, userID, model.EntryStatusRead)
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if err != nil {
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return fmt.Errorf("unable to flush history: %v", err)
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}
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return nil
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}
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// MarkAllAsRead updates all user entries to the read status.
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func (s *Storage) MarkAllAsRead(userID int64) error {
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defer timer.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:MarkAllAsRead] userID=%d", userID))
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query := `UPDATE entries SET status=$1 WHERE user_id=$2 AND status=$3`
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result, err := s.db.Exec(query, model.EntryStatusRead, userID, model.EntryStatusUnread)
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if err != nil {
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return fmt.Errorf("unable to mark all entries as read: %v", err)
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}
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count, _ := result.RowsAffected()
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logger.Debug("[Storage:MarkAllAsRead] %d items marked as read", count)
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return nil
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}
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// MarkFeedAsRead updates all feed entries to the read status.
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func (s *Storage) MarkFeedAsRead(userID, feedID int64, before time.Time) error {
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defer timer.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:MarkFeedAsRead] userID=%d, feedID=%d, before=%v", userID, feedID, before))
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query := `
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UPDATE entries
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SET status=$1
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WHERE user_id=$2 AND feed_id=$3 AND status=$4 AND published_at < $5
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`
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result, err := s.db.Exec(query, model.EntryStatusRead, userID, feedID, model.EntryStatusUnread, before)
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if err != nil {
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return fmt.Errorf("unable to mark feed entries as read: %v", err)
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}
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count, _ := result.RowsAffected()
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logger.Debug("[Storage:MarkFeedAsRead] %d items marked as read", count)
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return nil
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}
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// MarkCategoryAsRead updates all category entries to the read status.
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func (s *Storage) MarkCategoryAsRead(userID, categoryID int64, before time.Time) error {
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defer timer.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:MarkCategoryAsRead] userID=%d, categoryID=%d, before=%v", userID, categoryID, before))
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query := `
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UPDATE entries
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SET status=$1
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WHERE
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user_id=$2 AND status=$3 AND published_at < $4 AND feed_id IN (SELECT id FROM feeds WHERE user_id=$2 AND category_id=$5)
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`
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result, err := s.db.Exec(query, model.EntryStatusRead, userID, model.EntryStatusUnread, before, categoryID)
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if err != nil {
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return fmt.Errorf("unable to mark category entries as read: %v", err)
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}
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count, _ := result.RowsAffected()
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logger.Debug("[Storage:MarkCategoryAsRead] %d items marked as read", count)
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return nil
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}
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// EntryURLExists returns true if an entry with this URL already exists.
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func (s *Storage) EntryURLExists(userID int64, entryURL string) bool {
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var result int
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query := `SELECT count(*) as c FROM entries WHERE user_id=$1 AND url=$2`
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s.db.QueryRow(query, userID, entryURL).Scan(&result)
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return result >= 1
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}
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