Add possibility to join a group with a link

src/cmd/root.go

@@ -99,12 +99,14 @@ func runRest(_ *cobra.Command, _ []string) {
 	sendService := services.NewSendService(cli)
 	userService := services.NewUserService(cli)
 	messageService := services.NewMessageService(cli)
+	groupService := services.NewGroupService(cli)
 
 	// Rest
 	rest.InitRestApp(app, appService)
 	rest.InitRestSend(app, sendService)
 	rest.InitRestUser(app, userService)
 	rest.InitRestMessage(app, messageService)
+	rest.InitRestGroup(app, groupService)
 
 	app.Get("/", func(c *fiber.Ctx) error {
 		return c.Render("index", fiber.Map{

src/domains/group/group.go

@@ -0,0 +1,15 @@
+package group
+
+import "context"
+
+type IGroupService interface {
+	JoinGroupWithLink(ctx context.Context, request JoinGroupWithLinkRequest) (response JoinGroupWithLinkResponse, err error)
+}
+
+type JoinGroupWithLinkRequest struct {
+	Link string `json:"link" query:"link"`
+}
+
+type JoinGroupWithLinkResponse struct {
+	JID string `json:"jid"`
+}

src/internal/rest/group.go

@@ -0,0 +1,33 @@
+package rest
+
+import (
+	domainGroup "github.com/aldinokemal/go-whatsapp-web-multidevice/domains/group"
+	"github.com/aldinokemal/go-whatsapp-web-multidevice/pkg/utils"
+	"github.com/gofiber/fiber/v2"
+)
+
+type Group struct {
+	Service domainGroup.IGroupService
+}
+
+func InitRestGroup(app *fiber.App, service domainGroup.IGroupService) Group {
+	rest := Group{Service: service}
+	app.Post("/group/join_with_link", rest.JoinGroupWithLink)
+	return rest
+}
+
+func (controller *Group) JoinGroupWithLink(c *fiber.Ctx) error {
+	var request domainGroup.JoinGroupWithLinkRequest
+	err := c.BodyParser(&request)
+	utils.PanicIfNeeded(err)
+
+	response, err := controller.Service.JoinGroupWithLink(c.UserContext(), request)
+	utils.PanicIfNeeded(err)
+
+	return c.JSON(utils.ResponseData{
+		Status:  200,
+		Code:    "SUCCESS",
+		Message: "Success joined group",
+		Results: response,
+	})
+}

src/services/group.go

@@ -0,0 +1,32 @@
+package services
+
+import (
+	"context"
+	"fmt"
+	domainGroup "github.com/aldinokemal/go-whatsapp-web-multidevice/domains/group"
+	"github.com/aldinokemal/go-whatsapp-web-multidevice/pkg/whatsapp"
+	"go.mau.fi/whatsmeow"
+)
+
+type groupService struct {
+	WaCli *whatsmeow.Client
+}
+
+func NewGroupService(waCli *whatsmeow.Client) domainGroup.IGroupService {
+	return &groupService{
+		WaCli: waCli,
+	}
+}
+
+
+func (service groupService) JoinGroupWithLink(_ context.Context, request domainGroup.JoinGroupWithLinkRequest) (response domainGroup.JoinGroupWithLinkResponse, err error) {
+	whatsapp.MustLogin(service.WaCli)
+
+	jid, err := service.WaCli.JoinGroupWithLink(request.Link)
+	if err != nil {
+		return
+	}
+	fmt.Printf("%+v\n", jid)
+	response.JID = jid.String()
+	return response, nil
+}