add model package with db queries

model/torrents.go

@@ -0,0 +1,32 @@
+package model
+
+import "fmt"
+
+func (m *Model) GetItemTorrents(itemId int64) ([]*Torrent, error) {
+	rows, err := m.db.Queryx("SELECT * FROM torrents WHERE item_id = ?", itemId)
+	if err != nil {
+		return nil, fmt.Errorf("couldn't query db: %v", err)
+	}
+
+	torrents := []*Torrent{}
+	for rows.Next() {
+		torrent := &Torrent{}
+		if err := rows.StructScan(&torrent); err != nil {
+			continue
+		}
+		torrents = append(torrents, torrent)
+	}
+
+	return torrents, nil
+}
+
+func (m *Model) GetTorrentById(torrentId int64) (*Torrent, error) {
+	torrent := new(Torrent)
+
+	row := m.db.QueryRowx("SELECT * FROM torrents WHERE id = ?", torrentId)
+	if err := row.StructScan(&torrent); err != nil {
+		return torrent, fmt.Errorf("couldn't query torrent: %v", err)
+	}
+
+	return torrent, nil
+}