add catalog

internal/app/server.go

@@ -0,0 +1,26 @@
+package app
+
+import (
+	"cake_crm/internal/models/storage"
+	crm "cake_crm/proto"
+	"context"
+)
+
+type Server struct {
+	crm.UnimplementedCRMServer
+	storage storage.IStorage
+}
+
+func NewServer(storage storage.IStorage) *Server {
+	return &Server{
+		storage: storage,
+	}
+}
+
+func (s *Server) GetCatalog(ctx context.Context, _ *crm.GetCatalogReq) (*crm.CatalogRsp, error) {
+	categories, err := s.storage.GetCatalog(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &crm.CatalogRsp{Categories: categories}, nil
+}

internal/models/storage/interface.go

@@ -1,6 +1,9 @@
 package storage
 
-import "context"
+import (
+	crm "cake_crm/proto"
+	"context"
+)
 
 type Product struct {
 	ID   int    `json:"id"`
@@ -17,4 +20,5 @@ type IStorage interface {
 	GetAllProducts(ctx context.Context) ([]Product, error)
 	GetProductByID(ctx context.Context, id int) (Product, error)
 	GetBreadcrumbs(ctx context.Context, id int) ([]Breadcrumb, error)
+	GetCatalog(ctx context.Context) ([]*crm.CatalogRsp_Category, error)
 }

internal/models/storage/storage_file/storage.go

@@ -2,17 +2,28 @@ package storage_file
 
 import (
 	"cake_crm/internal/models/storage"
+	crm "cake_crm/proto"
 	"context"
+	"encoding/json"
+	"os"
 )
 
-type storageFile struct {
-	filepath string
+type storageFile struct{}
+
+func NewStorageFile() storage.IStorage {
+	return &storageFile{}
 }
 
-func NewStorageFile(filepath string) storage.IStorage {
-	return &storageFile{
-		filepath: filepath,
+func (s *storageFile) GetCatalog(_ context.Context) ([]*crm.CatalogRsp_Category, error) {
+	data, err := os.ReadFile("resources/catalog.json")
+	if err != nil {
+		return nil, err
 	}
+	var res []*crm.CatalogRsp_Category
+	if err := json.Unmarshal(data, &res); err != nil {
+		return nil, err
+	}
+	return res, nil
 }
 
 func (s *storageFile) GetAllProducts(ctx context.Context) ([]storage.Product, error) {