add whatsapp contact button and prepayment/full payment badge

backend/internal/delivery/handler.go

@@ -37,6 +37,7 @@ type DeliveryRequest struct {
 	Phone                   string  `json:"phone" binding:"required"`
 	AdditionalPhone         *string `json:"additional_phone"`
 	HasElevator             bool    `json:"has_elevator"`
+	PaymentStatus           string  `json:"payment_status" binding:"omitempty,oneof=prepaid paid"`
 	ServiceInfo             *string `json:"service_info"`
 	Comment                 string  `json:"comment"`
 }
@@ -107,6 +108,7 @@ func (h *Handler) CreateDelivery(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
+	normalizePaymentStatus(&req)
 
 	// Parse date from DD-MM-YYYY
 	t, err := parseDate(req.Date)
@@ -133,6 +135,7 @@ func (h *Handler) CreateDelivery(c *gin.Context) {
 		Phone:                   req.Phone,
 		AdditionalPhone:         pgtype.Text{String: derefString(req.AdditionalPhone), Valid: req.AdditionalPhone != nil},
 		HasElevator:             req.HasElevator,
+		PaymentStatus:           req.PaymentStatus,
 		ServiceInfo:             pgtype.Text{String: derefString(req.ServiceInfo), Valid: req.ServiceInfo != nil},
 		Comment:                 pgtype.Text{String: req.Comment, Valid: true},
 	}
@@ -158,6 +161,7 @@ func (h *Handler) UpdateDelivery(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
+	normalizePaymentStatus(&req)
 
 	id := c.Param("id")
 
@@ -196,6 +200,7 @@ func (h *Handler) UpdateDelivery(c *gin.Context) {
 		Phone:                   req.Phone,
 		AdditionalPhone:         pgtype.Text{String: derefString(req.AdditionalPhone), Valid: req.AdditionalPhone != nil},
 		HasElevator:             req.HasElevator,
+		PaymentStatus:           req.PaymentStatus,
 		ServiceInfo:             pgtype.Text{String: derefString(req.ServiceInfo), Valid: req.ServiceInfo != nil},
 		Comment:                 pgtype.Text{String: req.Comment, Valid: true},
 	}); err != nil {
@@ -308,3 +313,9 @@ func normalizeWarehouseRequestSources(req *DeliveryRequest) error {
 	}
 	return nil
 }
+
+func normalizePaymentStatus(req *DeliveryRequest) {
+	if req.PaymentStatus == "" {
+		req.PaymentStatus = "prepaid"
+	}
+}