better sharecode api handling, renamed endpoint to /player/id/track

utils/utils.go

@@ -8,6 +8,7 @@ import (
 	"csgowtfd/ent/stats"
 	"encoding/json"
 	"entgo.io/ent/dialect/sql"
+	"errors"
 	"fmt"
 	"github.com/an0nfunc/go-steamapi"
 	log "github.com/sirupsen/logrus"
@@ -187,6 +188,18 @@ type MatchResponse struct {
 	Stats       interface{} `json:"stats,omitempty"`
 }
 
+type (
+	AuthcodeUnauthorizedError struct {
+		error
+	}
+	AuthcodeRateLimitError struct {
+		error
+	}
+	SharecodeNoMatchError struct {
+		error
+	}
+)
+
 const (
 	shareCodeURLEntry = "https://api.steampowered.com/ICSGOPlayers_730/GetNextMatchSharingCode/v1?key=%s&steamid=%d&steamidkey=%s&knowncode=%s"
 )
@@ -328,10 +341,19 @@ func getNextShareCode(lastCode string, apiKey string, authCode string, steamId u
 		return "", err
 	}
 
-	if r.StatusCode == 202 {
+	switch r.StatusCode {
+	case http.StatusAccepted:
 		return "n/a", nil
-	} else if r.StatusCode != 200 {
-		return "", fmt.Errorf("bad response from steam api (HTTP %d)", r.StatusCode)
+	case http.StatusTooManyRequests, http.StatusServiceUnavailable:
+		return "", AuthcodeRateLimitError{errors.New("api temp. ratelimited")}
+	case http.StatusPreconditionFailed:
+		return "", SharecodeNoMatchError{errors.New("sharecode not from player history")}
+	case http.StatusForbidden:
+		return "", AuthcodeUnauthorizedError{errors.New("authcode unauthorized")}
+	case http.StatusOK:
+		break
+	default:
+		return "", errors.New("temporary steamapi error")
 	}
 
 	defer func(Body io.ReadCloser) {