From fad9ad2be4fc800f8710e2a498cc8f536af8827c Mon Sep 17 00:00:00 2001
From: Frédéric Guillot <fred@miniflux.net>
Date: Sun, 17 Nov 2019 19:44:12 -0800
Subject: Display list of feeds per category

---
 storage/feed.go | 42 +++++++++++++++++++++++++++++++++++++++---
 1 file changed, 39 insertions(+), 3 deletions(-)

(limited to 'storage')

diff --git a/storage/feed.go b/storage/feed.go
index f6ad021..6db3488 100644
--- a/storage/feed.go
+++ b/storage/feed.go
@@ -139,7 +139,6 @@ func (s *Storage) Feeds(userID int64) (model.Feeds, error) {
 
 // FeedsWithCounters returns all feeds of the given user with counters of read and unread entries.
 func (s *Storage) FeedsWithCounters(userID int64) (model.Feeds, error) {
-	feeds := make(model.Feeds, 0)
 	query := `
 		SELECT
 			f.id,
@@ -166,7 +165,43 @@ func (s *Storage) FeedsWithCounters(userID int64) (model.Feeds, error) {
 			f.user_id=$1
 		ORDER BY f.parsing_error_count DESC, unread_count DESC, lower(f.title) ASC
 	`
-	rows, err := s.db.Query(query, userID)
+	return s.fetchFeedsWithCounters(query, userID)
+}
+
+// FeedsByCategoryWithCounters returns all feeds of the given user/category with counters of read and unread entries.
+func (s *Storage) FeedsByCategoryWithCounters(userID, categoryID int64) (model.Feeds, error) {
+	query := `
+		SELECT
+			f.id,
+			f.feed_url,
+			f.site_url,
+			f.title,
+			f.etag_header,
+			f.last_modified_header,
+			f.user_id,
+			f.checked_at at time zone u.timezone,
+			f.parsing_error_count, f.parsing_error_msg,
+			f.scraper_rules, f.rewrite_rules, f.crawler, f.user_agent,
+			f.username, f.password, f.disabled,
+			f.category_id, c.title as category_title,
+			fi.icon_id,
+			u.timezone,
+			(SELECT count(*) FROM entries WHERE entries.feed_id=f.id AND status='unread') as unread_count,
+			(SELECT count(*) FROM entries WHERE entries.feed_id=f.id AND status='read') as read_count
+		FROM feeds f
+		LEFT JOIN categories c ON c.id=f.category_id
+		LEFT JOIN feed_icons fi ON fi.feed_id=f.id
+		LEFT JOIN users u ON u.id=f.user_id
+		WHERE
+			f.user_id=$1 AND f.category_id=$2
+		ORDER BY f.parsing_error_count DESC, unread_count DESC, lower(f.title) ASC
+	`
+	return s.fetchFeedsWithCounters(query, userID, categoryID)
+}
+
+func (s *Storage) fetchFeedsWithCounters(query string, args ...interface{}) (model.Feeds, error) {
+	feeds := make(model.Feeds, 0)
+	rows, err := s.db.Query(query, args...)
 	if err != nil {
 		return nil, fmt.Errorf(`store: unable to fetch feeds: %v`, err)
 	}
@@ -176,7 +211,7 @@ func (s *Storage) FeedsWithCounters(userID int64) (model.Feeds, error) {
 		var feed model.Feed
 		var iconID interface{}
 		var tz string
-		feed.Category = &model.Category{UserID: userID}
+		feed.Category = &model.Category{}
 
 		err := rows.Scan(
 			&feed.ID,
@@ -213,6 +248,7 @@ func (s *Storage) FeedsWithCounters(userID int64) (model.Feeds, error) {
 		}
 
 		feed.CheckedAt = timezone.Convert(tz, feed.CheckedAt)
+		feed.Category.UserID = feed.UserID
 		feeds = append(feeds, &feed)
 	}
 
-- 
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