RIC-641 Fixing client/server model definitions and adding client and server API

Signed-off-by: sandeepindia <kumar.sandeep3@hcl.com>
Change-Id: Ic177b9b7c417f1ccc184ae0e945b7748582604fe
diff --git a/src/model/XAppConfig.cpp b/src/model/XAppConfig.cpp
new file mode 100644
index 0000000..a5402db
--- /dev/null
+++ b/src/model/XAppConfig.cpp
@@ -0,0 +1,62 @@
+/*
+# ==================================================================================
+# Copyright (c) 2020 HCL Technologies Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==================================================================================
+*/
+#include"XAppConfig.h"
+namespace xapp {
+	namespace model {
+		void from_json(const nlohmann::json& j, XAppConfig& ref) {
+			std::cout << __PRETTY_FUNCTION__ << std::endl;
+			ref.validate_json(j);
+			j.at("metadata").get_to(ref.m_ConfigMetadata);
+			j.at("config").get_to(ref.config);
+
+		}
+		void from_json(const nlohmann::json& j, std::vector<XAppConfig>& ref) {
+			for (auto& element : j) {
+				XAppConfig tmp;
+				tmp.validate_json(element);
+				for (auto& val : element.items())
+				{
+					if (val.key() == "metadata") {
+						tmp.m_ConfigMetadata.ConfigType = val.value()["configType"];
+						tmp.m_ConfigMetadata.XappName = val.value()["xappName"];
+					}
+					else if (val.key() == "config") {
+						tmp.config = val.value();
+					}
+				}
+				ref.push_back(tmp);
+			}
+		}
+
+		void to_json(nlohmann::json& j, const XAppConfig& ref) {
+			j = nlohmann::json{
+				{"metadata",{{"configType",ref.m_ConfigMetadata.ConfigType},{"xappName",ref.m_ConfigMetadata.XappName}}},
+				{"config",ref.config}
+			};
+		}
+
+		void to_json(nlohmann::json& j, const std::vector<XAppConfig>& ref) {
+			for (int i = 0; i < ref.size(); i++)
+			{
+				nlohmann::json tmp_j;
+				to_json(tmp_j, ref[i]);
+				j += tmp_j;
+			}
+		}
+	}
+}
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