RIC-641 Add client/server model definitions

[ric-plt/xapp-frame-cpp.git] / src / rest / model / ModelBase.h

diff --git a/src/rest/model/ModelBase.h b/src/rest/model/ModelBase.h
new file mode 100644 (file)
index 0000000..159b772
--- /dev/null
+++ b/src/rest/model/ModelBase.h
@@ -0,0 +1,66 @@
+#ifndef XAPP_MODEL_ModelBase_H
+#define XAPP_MODEL_ModelBase_H
+#include <iostream>
+#include <string.h>
+#include <nlohmann/json.hpp>
+#include <nlohmann/json-schema.hpp>
+#include <type_traits>
+
+using nlohmann::json_schema::json_validator;
+using json = nlohmann::json;
+
+namespace xapp {
+namespace model {
+
+std::invalid_argument invalid_parameter("Invalid Json Input");
+
+template<typename ModelType>
+bool _validate(const ModelType model) {
+    json _json = model;
+    json_validator validator;
+    validator.set_root_schema(model.validator_schema);
+
+    try {
+        validator.validate(_json);
+    } catch (const std::exception& e) {
+        std::cerr << "Struct Validation failed, here is why: " << e.what() << "\n";
+        throw;
+    }
+    return true;
+}
+
+struct ModelBase {
+    json validator_schema = R"(
+    {
+        "$schema": "http://json-schema.org/draft-07/schema#",
+        "title": "ModelBase"
+    })"_json;
+
+    bool validate_() {
+        return _validate(std::move(*this));
+    }
+
+    void validate_json(const json& _json) {
+        json_validator validator;
+        validator.set_root_schema(get_validator_schema());
+        try {
+            validator.validate(_json);
+        } catch (const std::exception& e) {
+            throw;
+        }
+        return;
+    }
+
+    virtual json get_validator_schema() const { return validator_schema; }
+};
+
+void from_json(const json& j, ModelBase& ref) {
+    return;
+}
+void to_json(json& j, const ModelBase& ref) {
+    return;
+}
+
+} /*model*/
+} /*xapp*/
+#endif /*XAPP_MODEL_ModelBase_H*/