add search

internal/app/server.go

@@ -96,3 +96,11 @@ func (s *Server) GetImage(_ context.Context, req *proto.GetImageReq) (*httpbody.
 		Data:        data,
 	}, nil
 }
+
+func (s *Server) Search(ctx context.Context, req *proto.SearchReq) (*proto.PositionsRsp, error) {
+	products, err := s.storage.GetPositionsByText(ctx, req.Text)
+	if err != nil {
+		return nil, err
+	}
+	return &proto.PositionsRsp{Products: products}, nil
+}

internal/modules/storage/interface.go

@@ -10,4 +10,5 @@ type IStorage interface {
 	GetPositions(ctx context.Context, id int64) ([]*crm.Product, error)
 	GetProduct(ctx context.Context, id int64) (*crm.Product, error)
 	GetBreadcrumbs(ctx context.Context, id int64) ([]*crm.Category, error)
+	GetPositionsByText(ctx context.Context, text string) ([]*crm.Product, error)
 }

internal/modules/storage/storage_file/storage.go

@@ -7,6 +7,7 @@ import (
 	"encoding/json"
 	"errors"
 	"os"
+	"strings"
 )
 
 type Product struct {
@@ -160,3 +161,24 @@ func getBreadcrumbs(categories []*crm.Category, id int64) []*crm.Category {
 	}
 	return nil
 }
+
+func (s *storageFile) GetPositionsByText(_ context.Context, text string) ([]*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))
+	searchText := strings.TrimSpace(strings.ToLower(text))
+	for _, product := range products {
+		name := strings.ToLower(product.Name)
+		if strings.Contains(name, searchText) {
+			s.enrichedProduct(product)
+			res = append(res, product)
+		}
+	}
+	return res, nil
+}