add positions

internal/app/server.go

@@ -24,3 +24,11 @@ func (s *Server) GetCatalog(ctx context.Context, _ *crm.GetCatalogReq) (*crm.Cat
 	}
 	return &crm.CatalogRsp{Categories: categories}, nil
 }
+
+func (s *Server) GetPositions(ctx context.Context, req *crm.GetPositionsReq) (*crm.PositionsRsp, error) {
+	products, err := s.storage.GetPositions(ctx, req.Id)
+	if err != nil {
+		return nil, err
+	}
+	return &crm.PositionsRsp{Products: products}, nil
+}

internal/models/storage/interface.go

@@ -17,8 +17,6 @@ type Breadcrumb struct {
 }
 
 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)
+	GetCatalog(ctx context.Context) ([]*crm.Category, error)
+	GetPositions(ctx context.Context, id int64) ([]*crm.Product, error)
 }

internal/models/storage/storage_file/storage.go

@@ -14,29 +14,32 @@ func NewStorageFile() storage.IStorage {
 	return &storageFile{}
 }
 
-func (s *storageFile) GetCatalog(_ context.Context) ([]*crm.CatalogRsp_Category, error) {
+func (s *storageFile) GetCatalog(_ context.Context) ([]*crm.Category, error) {
 	data, err := os.ReadFile("resources/catalog.json")
 	if err != nil {
 		return nil, err
 	}
-	var res []*crm.CatalogRsp_Category
+	var res []*crm.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) {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (s *storageFile) GetProductByID(ctx context.Context, id int) (storage.Product, error) {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (s *storageFile) GetBreadcrumbs(ctx context.Context, id int) ([]storage.Breadcrumb, error) {
-	//TODO implement me
-	panic("implement me")
+func (s *storageFile) GetPositions(_ context.Context, id int64) ([]*crm.Product, error) {
+	data, err := os.ReadFile("resources/products.json")
+	if err != nil {
+		return nil, err
+	}
+	var products []*crm.Product
+	if err := json.Unmarshal(data, &products); err != nil {
+		return nil, err
+	}
+	res := make([]*crm.Product, 0, len(products))
+	for _, product := range products {
+		if id == 0 || product.Category == id {
+			res = append(res, product)
+		}
+	}
+	return res, nil
 }