Add paddock briefing RSS backend spike

2026-08-07 19:56:18 -04:00 · 2026-05-25 12:02:18 -04:00
parent 79b0b9f469
commit 84a8827244
12 changed files with 804 additions and 2 deletions
--- a/internal/store/news.go
+++ b/internal/store/news.go
@@ -0,0 +1,134 @@
+package store
+
+import (
+	"database/sql"
+	"fmt"
+	"time"
+)
+
+// UpsertNewsSource inserts or updates RSS/Atom feed metadata.
+func (s *Store) UpsertNewsSource(src NewsSource) error {
+	updatedAt := src.UpdatedAt
+	if updatedAt.IsZero() {
+		updatedAt = time.Now().UTC()
+	}
+	_, err := s.db.Exec(`
+		INSERT INTO news_sources (
+			source, name, feed_url, category, enabled, fetched_at, expires_at, updated_at
+		) VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+		ON CONFLICT(source) DO UPDATE SET
+			name = excluded.name,
+			feed_url = excluded.feed_url,
+			category = excluded.category,
+			enabled = excluded.enabled,
+			fetched_at = excluded.fetched_at,
+			expires_at = excluded.expires_at,
+			updated_at = excluded.updated_at
+	`,
+		src.Source,
+		src.Name,
+		src.FeedURL,
+		nullString(src.Category),
+		boolInt(src.Enabled),
+		nullableTime(src.FetchedAt),
+		nullableTime(src.ExpiresAt),
+		updatedAt.Unix(),
+	)
+	if err != nil {
+		return fmt.Errorf("upsert news source: %w", err)
+	}
+	return nil
+}
+
+// UpsertNewsItem inserts or updates a normalized feed item.
+func (s *Store) UpsertNewsItem(item NewsItem) error {
+	_, err := s.db.Exec(`
+		INSERT INTO news_items (
+			url, source, title, published_at, summary, category, fetched_at
+		) VALUES (?, ?, ?, ?, ?, ?, ?)
+		ON CONFLICT(url) DO UPDATE SET
+			source = excluded.source,
+			title = excluded.title,
+			published_at = excluded.published_at,
+			summary = excluded.summary,
+			category = excluded.category,
+			fetched_at = excluded.fetched_at
+	`,
+		item.URL,
+		item.Source,
+		item.Title,
+		nullableTime(item.PublishedAt),
+		nullString(item.Summary),
+		nullString(item.Category),
+		item.FetchedAt.Unix(),
+	)
+	if err != nil {
+		return fmt.Errorf("upsert news item: %w", err)
+	}
+	return nil
+}
+
+// ListNewsItems returns newest cached news items, optionally filtered by source.
+func (s *Store) ListNewsItems(limit int, source string) ([]NewsItem, error) {
+	if limit <= 0 || limit > 100 {
+		limit = 25
+	}
+
+	query := `
+		SELECT url, source, title, published_at, summary, category, fetched_at
+		FROM news_items
+	`
+	var args []any
+	if source != "" {
+		query += ` WHERE source = ?`
+		args = append(args, source)
+	}
+	query += ` ORDER BY COALESCE(published_at, fetched_at) DESC, fetched_at DESC LIMIT ?`
+	args = append(args, limit)
+
+	rows, err := s.db.Query(query, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var out []NewsItem
+	for rows.Next() {
+		var item NewsItem
+		var published sql.NullInt64
+		var summary, category sql.NullString
+		var fetched int64
+		if err := rows.Scan(
+			&item.URL,
+			&item.Source,
+			&item.Title,
+			&published,
+			&summary,
+			&category,
+			&fetched,
+		); err != nil {
+			return nil, err
+		}
+		item.PublishedAt = nullTimePtr(published)
+		item.Summary = summary.String
+		item.Category = category.String
+		item.FetchedAt = time.Unix(fetched, 0).UTC()
+		out = append(out, item)
+	}
+	return out, rows.Err()
+}
+
+func nullableTime(v *time.Time) any {
+	if v == nil || v.IsZero() {
+		return nil
+	}
+	return v.Unix()
+}
+
+func nullTimePtr(v sql.NullInt64) *time.Time {
+	if !v.Valid {
+		return nil
+	}
+	t := time.Unix(v.Int64, 0).UTC()
+	return &t
+}