Project structure refactor:

- Change package name general_server to gateway
- Changing the structure of directories and packages
- Adding vendor to the project

internal/server/gateway/route.go

@@ -0,0 +1,80 @@
+package gateway
+
+import (
+	"encoding/json"
+	"io"
+	"log/slog"
+	"net/http"
+	"net/http/httptest"
+
+	"github.com/akyaiy/GoSally-mvp/internal/server/rpc"
+)
+
+func (gs *GatewayServer) Handle(w http.ResponseWriter, r *http.Request) {
+	var req rpc.RPCRequest
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		rpc.WriteRouterError(w, http.StatusBadRequest, &rpc.RPCError{
+			JSONRPC: rpc.JSONRPCVersion,
+			ID:      nil,
+			Error: map[string]any{
+				"code":    rpc.ErrInternalError,
+				"message": rpc.ErrInternalErrorS,
+			},
+		})
+		gs.log.Info("invalid request received", slog.String("issue", rpc.ErrInternalErrorS))
+		return
+	}
+
+	if err := json.Unmarshal(body, &req); err != nil {
+		rpc.WriteRouterError(w, http.StatusBadRequest, &rpc.RPCError{
+			JSONRPC: rpc.JSONRPCVersion,
+			ID:      nil,
+			Error: map[string]any{
+				"code":    rpc.ErrParseError,
+				"message": rpc.ErrParseErrorS,
+			},
+		})
+		gs.log.Info("invalid request received", slog.String("issue", rpc.ErrParseErrorS))
+		return
+	}
+
+	if req.JSONRPC != rpc.JSONRPCVersion {
+		rpc.WriteRouterError(w, http.StatusBadRequest, &rpc.RPCError{
+			JSONRPC: rpc.JSONRPCVersion,
+			ID:      req.ID,
+			Error: map[string]any{
+				"code":    rpc.ErrInvalidRequest,
+				"message": rpc.ErrInvalidRequestS,
+			},
+		})
+		gs.log.Info("invalid request received", slog.String("issue", rpc.ErrInvalidRequestS), slog.String("requested-version", req.JSONRPC))
+		return
+	}
+
+	gs.Route(w, r, req)
+}
+
+func (gs *GatewayServer) Route(w http.ResponseWriter, r *http.Request, req rpc.RPCRequest) {
+	server, ok := gs.servers[serversApiVer(req.Params.ContextVersion)]
+	if !ok {
+		rpc.WriteRouterError(w, http.StatusBadRequest, &rpc.RPCError{
+			JSONRPC: rpc.JSONRPCVersion,
+			ID:      req.ID,
+			Error: map[string]any{
+				"code":    rpc.ErrContextVersion,
+				"message": rpc.ErrContextVersionS,
+			},
+		})
+		gs.log.Info("invalid request received", slog.String("issue", rpc.ErrContextVersionS), slog.String("requested-version", req.Params.ContextVersion))
+		return
+	}
+
+	// checks if request is notification
+	if req.ID == nil {
+		rr := httptest.NewRecorder()
+		server.Handle(rr, r, req)
+		return
+	}
+	server.Handle(w, r, req)
+}