init repo

common/context.go

@@ -0,0 +1,21 @@
+package common
+
+import (
+	"context"
+
+	"github.com/nose7en/ToyBoomServer/defs"
+)
+
+func GetUser(c context.Context) defs.UserGettable {
+	val := c.Value(UserInfoKey)
+	if val == nil {
+		return nil
+	}
+
+	u, ok := val.(defs.UserGettable)
+	if !ok {
+		return nil
+	}
+
+	return u
+}