apskel-pos-backend/internal/handler/self_order_handler.go

450 lines
16 KiB
Go

package handler
import (
"apskel-pos-be/internal/constants"
"apskel-pos-be/internal/contract"
"apskel-pos-be/internal/entities"
"apskel-pos-be/internal/logger"
"apskel-pos-be/internal/models"
"apskel-pos-be/internal/processor"
"apskel-pos-be/internal/repository"
"apskel-pos-be/internal/service"
"apskel-pos-be/internal/transformer"
"apskel-pos-be/internal/util"
"context"
"fmt"
"github.com/gin-gonic/gin"
"github.com/google/uuid"
)
type SelfOrderHandler struct {
orderService service.OrderService
categoryService service.CategoryService
productService service.ProductService
tableRepo repository.TableRepositoryInterface
outletRepo processor.OutletRepository
userRepo processor.UserRepository
selfOrderJWTSecret string
selfOrderJWTTTL int
}
func NewSelfOrderHandler(
orderService service.OrderService,
categoryService service.CategoryService,
productService service.ProductService,
tableRepo repository.TableRepositoryInterface,
outletRepo processor.OutletRepository,
userRepo processor.UserRepository,
selfOrderJWTSecret string,
selfOrderJWTTTL int,
) *SelfOrderHandler {
return &SelfOrderHandler{
orderService: orderService,
categoryService: categoryService,
productService: productService,
tableRepo: tableRepo,
outletRepo: outletRepo,
userRepo: userRepo,
selfOrderJWTSecret: selfOrderJWTSecret,
selfOrderJWTTTL: selfOrderJWTTTL,
}
}
func (h *SelfOrderHandler) getSelfOrderContext(c *gin.Context) (uuid.UUID, string, string, error) {
tableIDStr, _ := c.Get("self_order_table_id")
customerName, _ := c.Get("self_order_customer_name")
phoneStr, _ := c.Get("self_order_phone")
tableIDStrTyped, ok := tableIDStr.(string)
if !ok || tableIDStrTyped == "" {
return uuid.Nil, "", "", fmt.Errorf("table_id not found in context")
}
tableID, err := uuid.Parse(tableIDStrTyped)
if err != nil {
return uuid.Nil, "", "", fmt.Errorf("invalid table_id in token")
}
nameTyped, ok := customerName.(string)
if !ok || nameTyped == "" {
return uuid.Nil, "", "", fmt.Errorf("customer_name not found in context")
}
phone, _ := phoneStr.(string)
return tableID, nameTyped, phone, nil
}
func (h *SelfOrderHandler) CreateSession(c *gin.Context) {
ctx := c.Request.Context()
var req contract.SelfOrderSessionRequest
if err := c.ShouldBindJSON(&req); err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::CreateSession -> request binding failed")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.MissingFieldErrorCode, constants.RequestEntity, err.Error()),
}), "SelfOrderHandler::CreateSession")
return
}
if req.TableID == uuid.Nil {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.MissingFieldErrorCode, constants.RequestEntity, "table_id is required"),
}), "SelfOrderHandler::CreateSession")
return
}
if req.CustomerName == "" {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.MissingFieldErrorCode, constants.RequestEntity, "customer_name is required"),
}), "SelfOrderHandler::CreateSession")
return
}
table, err := h.tableRepo.GetByID(ctx, req.TableID)
if err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::CreateSession -> table not found")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.NotFoundErrorCode, constants.TableEntity, "table not found"),
}), "SelfOrderHandler::CreateSession")
return
}
if !table.IsActive {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.ValidationErrorCode, constants.TableEntity, "table is not active"),
}), "SelfOrderHandler::CreateSession")
return
}
phone := ""
if req.Phone != nil {
phone = *req.Phone
}
token, expiresAt, err := util.GenerateSelfOrderSessionToken(req.TableID, req.CustomerName, phone, h.selfOrderJWTSecret, h.selfOrderJWTTTL)
if err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::CreateSession -> failed to generate token")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.InternalServerErrorCode, constants.OrderServiceEntity, "failed to create session"),
}), "SelfOrderHandler::CreateSession")
return
}
util.HandleResponse(c.Writer, c.Request, contract.BuildSuccessResponse(&contract.SelfOrderSessionResponse{
Token: token,
ExpiresAt: expiresAt,
TableID: req.TableID,
}), "SelfOrderHandler::CreateSession")
}
func (h *SelfOrderHandler) GetMenu(c *gin.Context) {
ctx := c.Request.Context()
tableID, customerName, _, err := h.getSelfOrderContext(c)
if err != nil {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.ValidationErrorCode, constants.RequestEntity, err.Error()),
}), "SelfOrderHandler::GetMenu")
return
}
table, err := h.tableRepo.GetByID(ctx, tableID)
if err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::GetMenu -> table not found")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.NotFoundErrorCode, constants.TableEntity, "table not found"),
}), "SelfOrderHandler::GetMenu")
return
}
if !table.IsActive {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.ValidationErrorCode, constants.TableEntity, "table is not active"),
}), "SelfOrderHandler::GetMenu")
return
}
outlet, err := h.outletRepo.GetByID(ctx, table.OutletID)
if err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::GetMenu -> outlet not found")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.NotFoundErrorCode, constants.OrderServiceEntity, "outlet not found"),
}), "SelfOrderHandler::GetMenu")
return
}
_ = customerName
isActive := true
catResp := h.categoryService.ListCategories(ctx, &contract.ListCategoriesRequest{
OrganizationID: &table.OrganizationID,
Page: 1,
Limit: 100,
})
if catResp.HasErrors() {
logger.FromContext(ctx).WithError(catResp.GetErrors()[0]).Error("SelfOrderHandler::GetMenu -> failed to list categories")
util.HandleResponse(c.Writer, c.Request, catResp, "SelfOrderHandler::GetMenu")
return
}
prodResp := h.productService.ListProducts(ctx, &contract.ListProductsRequest{
OrganizationID: &table.OrganizationID,
IsActive: &isActive,
Page: 1,
Limit: 1000,
})
if prodResp.HasErrors() {
logger.FromContext(ctx).WithError(prodResp.GetErrors()[0]).Error("SelfOrderHandler::GetMenu -> failed to list products")
util.HandleResponse(c.Writer, c.Request, prodResp, "SelfOrderHandler::GetMenu")
return
}
catList, ok := catResp.Data.(*contract.ListCategoriesResponse)
if !ok {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.InternalServerErrorCode, constants.CategoryServiceEntity, "unexpected categories response type"),
}), "SelfOrderHandler::GetMenu")
return
}
prodList, ok := prodResp.Data.(*contract.ListProductsResponse)
if !ok {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.InternalServerErrorCode, constants.ProductServiceEntity, "unexpected products response type"),
}), "SelfOrderHandler::GetMenu")
return
}
menu := h.buildMenuResponse(outlet, table, catList.Categories, prodList.Products)
util.HandleResponse(c.Writer, c.Request, contract.BuildSuccessResponse(menu), "SelfOrderHandler::GetMenu")
}
func (h *SelfOrderHandler) buildMenuResponse(
outlet *entities.Outlet,
table *entities.Table,
categories []contract.CategoryResponse,
products []contract.ProductResponse,
) *contract.SelfOrderMenuResponse {
productMap := make(map[uuid.UUID][]contract.ProductResponse)
for _, p := range products {
productMap[p.CategoryID] = append(productMap[p.CategoryID], p)
}
menuCategories := make([]contract.SelfOrderMenuCategory, 0, len(categories))
for _, cat := range categories {
menuItems := make([]contract.SelfOrderMenuItem, 0)
if prods, ok := productMap[cat.ID]; ok {
for _, p := range prods {
item := contract.SelfOrderMenuItem{
ID: p.ID,
Name: p.Name,
Description: p.Description,
Price: p.Price,
ImageURL: p.ImageURL,
}
for _, v := range p.Variants {
item.Variants = append(item.Variants, contract.SelfOrderMenuVariant{
ID: v.ID,
Name: v.Name,
PriceModifier: v.PriceModifier,
})
}
menuItems = append(menuItems, item)
}
}
menuCategories = append(menuCategories, contract.SelfOrderMenuCategory{
ID: cat.ID,
Name: cat.Name,
Description: cat.Description,
Order: cat.Order,
Products: menuItems,
})
}
return &contract.SelfOrderMenuResponse{
OutletName: outlet.Name,
TableName: table.TableName,
Categories: menuCategories,
}
}
func (h *SelfOrderHandler) CreateOrder(c *gin.Context) {
ctx := c.Request.Context()
tableID, customerName, phone, err := h.getSelfOrderContext(c)
if err != nil {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.ValidationErrorCode, constants.RequestEntity, err.Error()),
}), "SelfOrderHandler::CreateOrder")
return
}
var req contract.SelfOrderCreateOrderRequest
if err := c.ShouldBindJSON(&req); err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::CreateOrder -> request binding failed")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.MissingFieldErrorCode, constants.RequestEntity, err.Error()),
}), "SelfOrderHandler::CreateOrder")
return
}
if err := h.validateCreateOrderRequest(&req); err != nil {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.ValidationErrorCode, constants.RequestEntity, err.Error()),
}), "SelfOrderHandler::CreateOrder")
return
}
table, err := h.tableRepo.GetByID(ctx, tableID)
if err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::CreateOrder -> table not found")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.NotFoundErrorCode, constants.TableEntity, "table not found"),
}), "SelfOrderHandler::CreateOrder")
return
}
if !table.IsActive || !table.IsAvailable() {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.ValidationErrorCode, constants.TableEntity, "table is not available for ordering"),
}), "SelfOrderHandler::CreateOrder")
return
}
userID, err := h.resolveOrgUser(ctx, table.OrganizationID)
if err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::CreateOrder -> failed to resolve org user")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.InternalServerErrorCode, constants.OrderServiceEntity, "failed to create self-order"),
}), "SelfOrderHandler::CreateOrder")
return
}
orderItems := make([]models.CreateOrderItemRequest, 0, len(req.OrderItems))
for _, item := range req.OrderItems {
orderItems = append(orderItems, models.CreateOrderItemRequest{
ProductID: item.ProductID,
ProductVariantID: item.ProductVariantID,
Quantity: item.Quantity,
Notes: item.Notes,
})
}
customerPhone := phone
if req.Phone != nil {
customerPhone = *req.Phone
}
metadata := make(map[string]interface{})
metadata["self_order"] = true
metadata["customer_name"] = customerName
if customerPhone != "" {
metadata["customer_phone"] = customerPhone
}
tableIDPtr := tableID
modelReq := &models.CreateOrderRequest{
OutletID: table.OutletID,
UserID: userID,
TableID: &tableIDPtr,
TableNumber: &table.TableName,
OrderType: constants.OrderTypeDineIn,
OrderItems: orderItems,
CustomerName: &customerName,
Metadata: metadata,
}
response, err := h.orderService.CreateOrder(ctx, modelReq, table.OrganizationID)
if err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::CreateOrder -> failed to create order")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.InternalServerErrorCode, constants.OrderServiceEntity, err.Error()),
}), "SelfOrderHandler::CreateOrder")
return
}
contractResp := transformer.OrderModelToContract(response)
util.HandleResponse(c.Writer, c.Request, contract.BuildSuccessResponse(contractResp), "SelfOrderHandler::CreateOrder")
}
func (h *SelfOrderHandler) validateCreateOrderRequest(req *contract.SelfOrderCreateOrderRequest) error {
if len(req.OrderItems) == 0 {
return fmt.Errorf("at least one order item is required")
}
for i, item := range req.OrderItems {
if item.ProductID == uuid.Nil {
return fmt.Errorf("product_id is required for item %d", i+1)
}
if item.Quantity <= 0 {
return fmt.Errorf("quantity must be greater than zero for item %d", i+1)
}
}
return nil
}
func (h *SelfOrderHandler) ListCategories(c *gin.Context) {
ctx := c.Request.Context()
tableID, _, _, err := h.getSelfOrderContext(c)
if err != nil {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.ValidationErrorCode, constants.RequestEntity, err.Error()),
}), "SelfOrderHandler::ListCategories")
return
}
table, err := h.tableRepo.GetByID(ctx, tableID)
if err != nil {
logger.FromContext(ctx).WithError(err).Error("SelfOrderHandler::ListCategories -> table not found")
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.NotFoundErrorCode, constants.TableEntity, "table not found"),
}), "SelfOrderHandler::ListCategories")
return
}
catResp := h.categoryService.ListCategories(ctx, &contract.ListCategoriesRequest{
OrganizationID: &table.OrganizationID,
Page: 1,
Limit: 100,
})
if catResp.HasErrors() {
logger.FromContext(ctx).WithError(catResp.GetErrors()[0]).Error("SelfOrderHandler::ListCategories -> failed to list categories")
util.HandleResponse(c.Writer, c.Request, catResp, "SelfOrderHandler::ListCategories")
return
}
catList, ok := catResp.Data.(*contract.ListCategoriesResponse)
if !ok {
util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{
contract.NewResponseError(constants.InternalServerErrorCode, constants.CategoryServiceEntity, "unexpected categories response type"),
}), "SelfOrderHandler::ListCategories")
return
}
items := make([]contract.SelfOrderCategoryItem, 0, len(catList.Categories))
for _, cat := range catList.Categories {
items = append(items, contract.SelfOrderCategoryItem{
ID: cat.ID,
Name: cat.Name,
Description: cat.Description,
Order: cat.Order,
})
}
util.HandleResponse(c.Writer, c.Request, contract.BuildSuccessResponse(&contract.SelfOrderListCategoriesResponse{
Categories: items,
}), "SelfOrderHandler::ListCategories")
}
func (h *SelfOrderHandler) resolveOrgUser(ctx context.Context, organizationID uuid.UUID) (uuid.UUID, error) {
users, err := h.userRepo.GetByOrganizationID(ctx, organizationID)
if err != nil {
return uuid.Nil, fmt.Errorf("failed to get users for organization: %w", err)
}
if len(users) == 0 {
return uuid.Nil, fmt.Errorf("no users found for organization")
}
return users[0].ID, nil
}