add url

internal/services/services.go

@@ -9,6 +9,8 @@ import (
 	"evening_detective/internal/services/story_service"
 	"evening_detective/proto"
 	"fmt"
+	"net"
+	"net/url"
 
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
@@ -119,6 +121,10 @@ func (s *Services) GetTeams(ctx context.Context, _ *proto.GetTeamsReq) (*proto.G
 		if err != nil {
 			return nil, err
 		}
+		newTeam.Url, err = getTeamUrl(team)
+		if err != nil {
+			return nil, err
+		}
 		newTeam.SpendTime = int64(20 * len(actions))
 		applications, err := s.repository.GetApplications(ctx, team.ID, "NEW")
 		if err != nil {
@@ -182,3 +188,39 @@ func log(team *models.Team, action string, v any) {
 		fmt.Printf("Team %s: %s %s\n", team.Name, action, string(vJson))
 	}
 }
+
+func getTeamUrl(team *models.Team) (string, error) {
+	ips, err := getLocalIPs()
+	if err != nil {
+		return "", err
+	}
+	ip := ips[0]
+	u := fmt.Sprintf("http://%s:8100?name=%s&password=%s", ip, url.PathEscape(team.Name), team.Password)
+	return u, nil
+}
+
+func getLocalIPs() ([]string, error) {
+	var ips []string
+	addrs, err := net.InterfaceAddrs()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, addr := range addrs {
+		ipNet, ok := addr.(*net.IPNet)
+		if !ok {
+			continue
+		}
+
+		ip := ipNet.IP
+		if ip.IsLoopback() || ip.IsLinkLocalMulticast() || ip.IsLinkLocalUnicast() {
+			continue
+		}
+
+		if ipv4 := ip.To4(); ipv4 != nil {
+			ips = append(ips, ipv4.String())
+		}
+	}
+
+	return ips, nil
+}