add pdf

internal/models/team.go

@@ -1,7 +1,49 @@
 package models
 
+import (
+	"fmt"
+	"net"
+	"net/url"
+)
+
 type Team struct {
 	ID       int64
 	Name     string
 	Password string
 }
+
+func (t *Team) GetTeamUrl() (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(t.Name), t.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
+}