feat: add PIX payment and fix interactive messages (buttons, list, carousel)

.dockerignore

@@ -35,6 +35,10 @@ Makefile
 *_test.go
 *.test
 
+# Reference code (analysis only)
+evo que funciona*/
+ANALISE-CORRECOES-CAROUSEL-PIX.md
+
 # Manager/dist é necessário - serve arquivos estáticos do frontend React
 # Não excluir - precisa estar na imagem final para ser acessado via /manager
 

.gitignore

@@ -7,3 +7,4 @@ coverage.*
 .idea/
 .vscode/
 .DS_Store
+evo que funciona botõtes carossel pix etc para analise/

pkg/routes/routes.go

@@ -122,6 +122,7 @@ func (r *Routes) AssignRoutes(eng *gin.Engine) {
 			routes.POST("/button", r.jidValidationMiddleware.ValidateNumberFieldWithFormatJid(), r.sendHandler.SendButton)
 			routes.POST("/list", r.jidValidationMiddleware.ValidateNumberFieldWithFormatJid(), r.sendHandler.SendList)
 			routes.POST("/carousel", r.jidValidationMiddleware.ValidateNumberFieldWithFormatJid(), r.sendHandler.SendCarousel)
+			routes.POST("/pix", r.jidValidationMiddleware.ValidateNumberFieldWithFormatJid(), r.sendHandler.SendPix)
 			routes.POST("/status/text", r.sendHandler.SendStatusText)
 			routes.POST("/status/media", r.sendHandler.SendStatusMedia)
 		}

pkg/sendMessage/handler/send_handler.go

@@ -23,6 +23,7 @@ type SendHandler interface {
 	SendButton(ctx *gin.Context)
 	SendList(ctx *gin.Context)
 	SendCarousel(ctx *gin.Context)
+	SendPix(ctx *gin.Context)
 	SendStatusText(ctx *gin.Context)
 	SendStatusMedia(ctx *gin.Context)
 }
@@ -655,6 +656,72 @@ func (s *sendHandler) SendCarousel(ctx *gin.Context) {
 	ctx.JSON(http.StatusOK, gin.H{"message": "success", "data": message})
 }
 
+// Send a PIX payment message
+// @Summary Send a PIX payment message
+// @Description Send a PIX payment interactive message via WhatsApp
+// @Tags Send Message
+// @Accept json
+// @Produce json
+// @Param message body send_service.PixStruct true "PIX payment data"
+// @Success 200 {object} gin.H "success"
+// @Failure 400 {object} gin.H "Error on validation"
+// @Failure 500 {object} gin.H "Internal server error"
+// @Router /send/pix [post]
+func (s *sendHandler) SendPix(ctx *gin.Context) {
+	getInstance := ctx.MustGet("instance")
+
+	instance, ok := getInstance.(*instance_model.Instance)
+	if !ok {
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": "instance not found"})
+		return
+	}
+
+	var data *send_service.PixStruct
+	err := ctx.ShouldBindBodyWithJSON(&data)
+	if err != nil {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if data.Number == "" {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "phone number is required"})
+		return
+	}
+
+	if data.HeaderTitle == "" {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "headerTitle is required"})
+		return
+	}
+
+	if data.BodyText == "" {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "bodyText is required"})
+		return
+	}
+
+	if data.MerchantName == "" {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "merchantName is required"})
+		return
+	}
+
+	if data.PixKey == "" {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "pixKey is required"})
+		return
+	}
+
+	if data.KeyType == "" {
+		ctx.JSON(http.StatusBadRequest, gin.H{"error": "keyType is required (CPF, CNPJ, EMAIL, PHONE, EVP)"})
+		return
+	}
+
+	message, err := s.sendMessageService.SendPix(data, instance)
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	ctx.JSON(http.StatusOK, gin.H{"message": "success", "data": message})
+}
+
 // Send a text status message
 // @Summary Send a WhatsApp text status
 // @Description Send a WhatsApp text status to status@broadcast