From 01c4dca5c1de68f06f66bb2f45773f64d30b8ebc Mon Sep 17 00:00:00 2001
From: Dimas Restu H <dimas.restu@student.upi.edu>
Date: Thu, 21 Apr 2022 16:01:50 +0700
Subject: [PATCH] add capabilities to send location

---
 internal/route.go             |  2 +-
 internal/whatsapp/whatsapp.go | 42 +++++++++++++++++++++++++++++------
 pkg/whatsapp/whatsapp.go      | 29 ++++++++++++++++++++++++
 3 files changed, 65 insertions(+), 8 deletions(-)

diff --git a/internal/route.go b/internal/route.go
index 92b5083..5b2865c 100644
--- a/internal/route.go
+++ b/internal/route.go
@@ -32,7 +32,7 @@ func Routes(e *echo.Echo) {
 
 	e.POST(router.BaseURL+"/login", ctlWhatsApp.Login, middleware.JWTWithConfig(authJWTConfig))
 	e.POST(router.BaseURL+"/send/text", ctlWhatsApp.SendText, middleware.JWTWithConfig(authJWTConfig))
-	// e.POST(router.BaseURL+"/send/location", ctlWhatsApp.SendLocation, middleware.JWTWithConfig(authJWTConfig))
+	e.POST(router.BaseURL+"/send/location", ctlWhatsApp.SendLocation, middleware.JWTWithConfig(authJWTConfig))
 	// e.POST(router.BaseURL+"/send/document", ctlWhatsApp.SendDocument, middleware.JWTWithConfig(authJWTConfig))
 	// e.POST(router.BaseURL+"/send/audio", ctlWhatsApp.SendAudio, middleware.JWTWithConfig(authJWTConfig))
 	// e.POST(router.BaseURL+"/send/image", ctlWhatsApp.SendImage, middleware.JWTWithConfig(authJWTConfig))
diff --git a/internal/whatsapp/whatsapp.go b/internal/whatsapp/whatsapp.go
index 97b968b..bf95dc9 100644
--- a/internal/whatsapp/whatsapp.go
+++ b/internal/whatsapp/whatsapp.go
@@ -22,6 +22,7 @@ func jwtPayload(c echo.Context) typAuth.AuthJWTClaimsPayload {
 }
 
 func Login(c echo.Context) error {
+	var err error
 	jid := jwtPayload(c).JID
 
 	var reqLogin typWhatsApp.RequestLogin
@@ -31,7 +32,7 @@ func Login(c echo.Context) error {
 		reqLogin.Output = "html"
 	}
 
-	err := pkgWhatsApp.WhatAppConnect(jid)
+	err = pkgWhatsApp.WhatAppConnect(jid)
 	if err != nil {
 		return router.ResponseInternalError(c, err.Error())
 	}
@@ -72,9 +73,10 @@ func Login(c echo.Context) error {
 }
 
 func Logout(c echo.Context) error {
+	var err error
 	jid := jwtPayload(c).JID
 
-	err := pkgWhatsApp.WhatsAppLogout(jid)
+	err = pkgWhatsApp.WhatsAppLogout(jid)
 	if err != nil {
 		return router.ResponseInternalError(c, err.Error())
 	}
@@ -83,6 +85,7 @@ func Logout(c echo.Context) error {
 }
 
 func SendText(c echo.Context) error {
+	var err error
 	jid := jwtPayload(c).JID
 
 	var reqSendMessage typWhatsApp.RequestSendMessage
@@ -93,7 +96,7 @@ func SendText(c echo.Context) error {
 		return router.ResponseBadRequest(c, "Missing Form Value MSISDN")
 	}
 
-	err := pkgWhatsApp.WhatsAppSendText(jid, reqSendMessage.RJID, reqSendMessage.Message)
+	err = pkgWhatsApp.WhatsAppSendText(jid, reqSendMessage.RJID, reqSendMessage.Message)
 	if err != nil {
 		return router.ResponseInternalError(c, err.Error())
 	}
@@ -101,15 +104,40 @@ func SendText(c echo.Context) error {
 	return router.ResponseSuccess(c, "Successfully Send Text Message")
 }
 
+func SendLocation(c echo.Context) error {
+	var err error
+	jid := jwtPayload(c).JID
+
+	var reqSendLocation typWhatsApp.RequestSendLocation
+	reqSendLocation.RJID = strings.TrimSpace(c.FormValue("msisdn"))
+
+	reqSendLocation.Latitude, err = strconv.ParseFloat(strings.TrimSpace(c.FormValue("latitude")), 64)
+	if err != nil {
+		return router.ResponseInternalError(c, "Error While Decoding Latitude to Float64")
+	}
+
+	reqSendLocation.Longitude, err = strconv.ParseFloat(strings.TrimSpace(c.FormValue("longitude")), 64)
+	if err != nil {
+		return router.ResponseInternalError(c, "Error While Decoding Longitude to Float64")
+	}
+
+	if len(reqSendLocation.RJID) == 0 {
+		return router.ResponseBadRequest(c, "Missing Form Value MSISDN")
+	}
+
+	err = pkgWhatsApp.WhatsAppSendLocation(jid, reqSendLocation.RJID, reqSendLocation.Latitude, reqSendLocation.Longitude)
+	if err != nil {
+		return router.ResponseInternalError(c, err.Error())
+	}
+
+	return router.ResponseSuccess(c, "Successfully Send Location Message")
+}
+
 /*
   TODO: Send Media
 */
 
 /*
-func SendLocation(c echo.Context) error {
-	return router.ResponseSuccess(c, "Successfully Send Location Message")
-}
-
 func SendDocument(c echo.Context) error {
 	return router.ResponseSuccess(c, "Successfully Send Document Message")
 }
diff --git a/pkg/whatsapp/whatsapp.go b/pkg/whatsapp/whatsapp.go
index cf04ce8..3de1fac 100644
--- a/pkg/whatsapp/whatsapp.go
+++ b/pkg/whatsapp/whatsapp.go
@@ -240,3 +240,32 @@ func WhatsAppSendText(jid string, rjid string, message string) error {
 	// Return Error WhatsApp Client is not Valid
 	return errors.New("WhatsApp Client is not Valid")
 }
+
+func WhatsAppSendLocation(jid string, rjid string, latitude float64, longitude float64) error {
+	if WhatsAppClient[jid] != nil {
+		// Make Sure WhatsApp Client is OK
+		err := WhatsAppClientIsOK(jid)
+		if err != nil {
+			return err
+		}
+
+		// Compose WhatsApp Proto
+		content := &waproto.Message{
+			LocationMessage: &waproto.LocationMessage{
+				DegreesLatitude:  proto.Float64(latitude),
+				DegreesLongitude: proto.Float64(longitude),
+			},
+		}
+
+		// Send WhatsApp Message Proto
+		_, err = WhatsAppClient[jid].SendMessage(WhatsAppComposeJID(rjid), "", content)
+		if err != nil {
+			return err
+		}
+
+		return nil
+	}
+
+	// Return Error WhatsApp Client is not Valid
+	return errors.New("WhatsApp Client is not Valid")
+}