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Calculate reading time during feed processing

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The goal is to speed up the user interface.

Detecting the language based on the content is pretty slow.
This commit is contained in:
Frédéric Guillot 2020-11-18 17:29:40 -08:00 • committed by fguillot
parent b1c9977711
commit de7a613098
12 changed files with 84 additions and 50 deletions
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41
storage/entry.go
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@ -75,11 +75,11 @@ func (s *Storage) UpdateEntryContent(entry *model.Entry) error {
UPDATE
entries
SET
content=$1
content=$1, reading_time=$2
WHERE
id=$2 AND user_id=$3
id=$3 AND user_id=$4
`
_, err = tx.Exec(query, entry.Content, entry.ID, entry.UserID)
_, err = tx.Exec(query, entry.Content, entry.ReadingTime, entry.ID, entry.UserID)
if err != nil {
tx.Rollback()
return fmt.Errorf(`store: unable to update content of entry #%d: %v`, entry.ID, err)
@ -106,9 +106,35 @@ func (s *Storage) UpdateEntryContent(entry *model.Entry) error {
func (s *Storage) createEntry(tx *sql.Tx, entry *model.Entry) error {
query := `
INSERT INTO entries
(title, hash, url, comments_url, published_at, content, author, user_id, feed_id, changed_at, document_vectors)
(
title,
hash,
url,
comments_url,
published_at,
content,
author,
user_id,
feed_id,
reading_time,
changed_at,
document_vectors
)
VALUES
($1, $2, $3, $4, $5, $6, $7, $8, $9, now(), setweight(to_tsvector(substring(coalesce($1, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce($6, '') for 1000000)), 'B'))
(
$1,
$2,
$3,
$4,
$5,
$6,
$7,
$8,
$9,
$10,
now(),
setweight(to_tsvector(substring(coalesce($1, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce($6, '') for 1000000)), 'B')
)
RETURNING
id, status
`
@ -123,6 +149,7 @@ func (s *Storage) createEntry(tx *sql.Tx, entry *model.Entry) error {
entry.Author,
entry.UserID,
entry.FeedID,
entry.ReadingTime,
).Scan(&entry.ID, &entry.Status)
if err != nil {
@ -154,9 +181,10 @@ func (s *Storage) updateEntry(tx *sql.Tx, entry *model.Entry) error {
comments_url=$3,
content=$4,
author=$5,
reading_time=$6,
document_vectors = setweight(to_tsvector(substring(coalesce($1, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce($4, '') for 1000000)), 'B')
WHERE
user_id=$6 AND feed_id=$7 AND hash=$8
user_id=$7 AND feed_id=$8 AND hash=$9
RETURNING
id
`
@ -167,6 +195,7 @@ func (s *Storage) updateEntry(tx *sql.Tx, entry *model.Entry) error {
entry.CommentsURL,
entry.Content,
entry.Author,
entry.ReadingTime,
entry.UserID,
entry.FeedID,
entry.Hash,