refactor: move gateway and vault packages to internal directory

internal/gateway/session/middleware.go

@@ -0,0 +1,53 @@
+package session
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+	"github.com/onsonr/sonr/internal/gateway/config"
+	"github.com/onsonr/sonr/internal/gateway/database"
+	"gorm.io/gorm"
+)
+
+// Middleware creates a new session middleware
+func Middleware(db *gorm.DB, env config.Env) echo.MiddlewareFunc {
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			cc := NewHTTPContext(c, db)
+			if err := cc.InitSession(); err != nil {
+				return err
+			}
+			return next(cc)
+		}
+	}
+}
+
+// HTTPContext is the context for HTTP endpoints.
+type HTTPContext struct {
+	echo.Context
+	db   *gorm.DB
+	sess *database.Session
+	env  config.Env
+}
+
+// Get returns the HTTPContext from the echo context
+func Get(c echo.Context) (*HTTPContext, error) {
+	ctx, ok := c.(*HTTPContext)
+	if !ok {
+		return nil, echo.NewHTTPError(http.StatusInternalServerError, "Session Context not found")
+	}
+	return ctx, nil
+}
+
+// NewHTTPContext creates a new session context
+func NewHTTPContext(c echo.Context, db *gorm.DB) *HTTPContext {
+	return &HTTPContext{
+		Context: c,
+		db:      db,
+	}
+}
+
+// Session returns the current session
+func (s *HTTPContext) Session() *database.Session {
+	return s.sess
+}