fix: join group directly when invitation needs no approval

server/im_http.go

@@ -5456,13 +5456,6 @@ func serveIMGroupInvitations(wrt http.ResponseWriter, req *http.Request, topic s
 			results = append(results, item)
 			continue
 		}
-		invitationID := "ginv_" + store.Store.GetUidString()
-		idempotencyKey := strings.TrimSpace(req.Header.Get("Idempotency-Key"))
-		if idempotencyKey != "" {
-			idempotencyKey += ":" + uid.UserId()
-		} else {
-			idempotencyKey = invitationID
-		}
 		targetRequiresApproval := settings != nil && settings.JoinApproval
 		if !targetRequiresApproval && store.Profiles != nil {
 			privacy, privacyErr := store.Profiles.GetPrivacy(principal.TenantID, uid)
@@ -5480,9 +5473,35 @@ func serveIMGroupInvitations(wrt http.ResponseWriter, req *http.Request, topic s
 			targetRequiresApproval = privacy != nil && privacy.GroupInviteVerification
 		}
 		joinRequestID := ""
+		invitationID := ""
 		if targetRequiresApproval {
+			invitationID = "ginv_" + store.Store.GetUidString()
 			joinRequestID = "gjr_" + store.Store.GetUidString()
 		}
+		if !targetRequiresApproval {
+			joined, err := store.GroupBusiness.InviteMember(principal.TenantID, topic, principal.Uid, uid,
+				strings.TrimSpace(body.Message), strings.TrimSpace(req.Header.Get("Idempotency-Key")),
+				groupMemberPrivate("", false, false, 1, now), now)
+			if err != nil {
+				item["status"] = "failed"
+				item["reason"] = relationErrorReason(err)
+				results = append(results, item)
+				continue
+			}
+			if joined {
+				item["status"] = types.GroupInvitationStatusJoined
+			} else {
+				item["status"] = "already_member"
+			}
+			results = append(results, item)
+			continue
+		}
+		idempotencyKey := strings.TrimSpace(req.Header.Get("Idempotency-Key"))
+		if idempotencyKey != "" {
+			idempotencyKey += ":" + uid.UserId()
+		} else {
+			idempotencyKey = invitationID
+		}
 		inv, err := store.GroupBusiness.CreateInvitation(principal.TenantID, &types.GroupInvitation{
 			InvitationID:   invitationID,
 			Topic:          topic,