feat: add sources to retrieve news and divide the IA reflexions in 2 steps to limit the number of news

backend/internal/models/repository.go

@@ -520,6 +520,51 @@ func (r *Repository) SetSetting(key, value string) error {
 	return err
 }
 
+// ── Schedule ───────────────────────────────────────────────────────────────
+
+func (r *Repository) ListScheduleSlots() ([]ScheduleSlot, error) {
+	rows, err := r.db.Query(`
+		SELECT id, day_of_week, hour, minute FROM scrape_schedules
+		ORDER BY day_of_week, hour, minute`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var slots []ScheduleSlot
+	for rows.Next() {
+		var s ScheduleSlot
+		if err := rows.Scan(&s.ID, &s.DayOfWeek, &s.Hour, &s.Minute); err != nil {
+			return nil, err
+		}
+		slots = append(slots, s)
+	}
+	return slots, nil
+}
+
+func (r *Repository) ReplaceSchedule(slots []ScheduleSlot) error {
+	tx, err := r.db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	if _, err := tx.Exec(`DELETE FROM scrape_schedules`); err != nil {
+		return err
+	}
+	for _, s := range slots {
+		if _, err := tx.Exec(
+			`INSERT INTO scrape_schedules (day_of_week, hour, minute) VALUES ($1, $2, $3)
+			 ON CONFLICT (day_of_week, hour, minute) DO NOTHING`,
+			s.DayOfWeek, s.Hour, s.Minute,
+		); err != nil {
+			return err
+		}
+	}
+	return tx.Commit()
+}
+
+// ── Settings ───────────────────────────────────────────────────────────────
+
 func (r *Repository) ListSettings() ([]Setting, error) {
 	rows, err := r.db.Query(`SELECT key, value FROM settings ORDER BY key`)
 	if err != nil {