start

id.go

@@ -0,0 +1,49 @@
+package igdb
+
+import (
+	"errors"
+	"fmt"
+	"github/bestnite/go-igdb/constant"
+	pb "github/bestnite/go-igdb/proto"
+	"strconv"
+
+	"google.golang.org/protobuf/proto"
+)
+
+func (g *igdb) GetGameIDBySteamAppID(id uint64) (uint64, error) {
+	query := fmt.Sprintf(`where game_type.id = 0 & uid = "%d"; fields game;`, id)
+	resp, err := g.Request(constant.IGDBExternalGameURL, query)
+	if err != nil {
+		return 0, fmt.Errorf("failed to fetch IGDB ID by Steam App ID %d: %w", id, err)
+	}
+
+	res := pb.ExternalGameResult{}
+	if err = proto.Unmarshal(resp.Body(), &res); err != nil {
+		return 0, fmt.Errorf("failed to unmarshal IGDB response for Steam App ID %d: %w", id, err)
+	}
+
+	if len(res.Externalgames) == 0 || res.Externalgames[0].Game.Id == 0 {
+		return 0, errors.New("no matching IGDB game found")
+	}
+
+	return res.Externalgames[0].Game.Id, nil
+}
+
+func (g *igdb) GetSteamIDByGameID(id uint64) (uint64, error) {
+	query := fmt.Sprintf(`where game = %v & game_type.id = 0; fields *;`, id)
+	resp, err := g.Request(constant.IGDBExternalGameURL, query)
+	if err != nil {
+		return 0, fmt.Errorf("failed to fetch IGDB websites for IGDB ID %d: %w", id, err)
+	}
+
+	res := pb.ExternalGameResult{}
+	if err := proto.Unmarshal(resp.Body(), &res); err != nil {
+		return 0, fmt.Errorf("failed to unmarshal IGDB websites response for IGDB ID %d: %w", id, err)
+	}
+
+	if len(res.Externalgames) == 0 {
+		return 0, errors.New("steam ID not found")
+	}
+
+	return strconv.ParseUint(res.Externalgames[0].Uid, 10, 64)
+}