1 files changed, 87 insertions, 0 deletions
diff --git a/src/onapsdk/dmaap/dmaap.py b/src/onapsdk/dmaap/dmaap.py
new file mode 100644
index 0000000..27c72c5
--- /dev/null
+++ b/src/onapsdk/dmaap/dmaap.py
@@ -0,0 +1,87 @@
+"""Base Dmaap event store."""
+#   Copyright 2022 Orange, Deutsche Telekom AG, Nokia
+#
+#   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.
+from typing import Dict
+
+from onapsdk.dmaap.dmaap_service import DmaapService
+
+ACTION = "Get events from Dmaap"
+GET_HTTP_METHOD = "GET"
+
+
+class Dmaap(DmaapService):
+    """Dmaap library provides functions for getting events from Dmaap."""
+
+    dmaap_url = DmaapService._url
+    get_all_events_url = f"{dmaap_url}/events"
+    get_all_topics_url = f"{dmaap_url}/topics"
+    get_events_from_topic_url = "{}/events/{}/CG1/C1"
+
+    @classmethod
+    def get_all_events(cls,
+                       basic_auth: Dict[str, str]) -> dict:
+        """
+        Get all events stored in Dmaap.
+
+        Args:
+           basic_auth: (Dict[str, str]) for example:{ 'username': 'bob', 'password': 'secret' }
+        Returns:
+            (dict) Events from Dmaap
+
+        """
+        return Dmaap.__get_events(cls.get_all_events_url, basic_auth)
+
+    @classmethod
+    def get_events_for_topic(cls,
+                             topic: str,
+                             basic_auth: Dict[str, str]) -> dict:
+        """
+        Get all events stored specific topic in Dmaap.
+
+        Args:
+            topic: (str) topic of events stored in Dmaap
+            basic_auth: (Dict[str, str]) for example:{ 'username': 'bob', 'password': 'secret' }
+
+        Returns:
+          (dict) Events from Dmaap
+
+        """
+        url = cls.get_events_from_topic_url.format(cls.dmaap_url, topic)
+        return Dmaap.__get_events(url, basic_auth)
+
+    @classmethod
+    def get_all_topics(cls,
+                       basic_auth: Dict[str, str]) -> dict:
+        """
+        Get all topics stored in Dmaap.
+
+        Args:
+           basic_auth: (Dict[str, str]) for example:{ 'username': 'bob', 'password': 'secret' }
+
+        Returns:
+            (dict) Topics from Dmaap
+
+        """
+        return Dmaap.__get_events(cls.get_all_topics_url, basic_auth)['topics']
+
+    @classmethod
+    def __get_events(cls,
+                     url: str,
+                     basic_auth: Dict[str, str]) -> dict:
+        return cls.send_message_json(
+            GET_HTTP_METHOD,
+            ACTION,
+            url,
+            basic_auth=basic_auth
+        )