[ISSSUE #1723]🚀Add AckMsg struct🍻 (#1724)

rocketmq-store/src/pop.rs

@@ -14,4 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
+pub mod ack_msg;
 pub mod pop_check_point;

rocketmq-store/src/pop/ack_msg.rs

@@ -0,0 +1,120 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+use std::fmt::Display;
+
+use cheetah_string::CheetahString;
+use serde::Deserialize;
+use serde::Serialize;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct AckMsg {
+    #[serde(rename = "ao", alias = "ackOffset")]
+    pub ack_offset: i64,
+
+    #[serde(rename = "so", alias = "startOffset")]
+    pub start_offset: i64,
+
+    #[serde(rename = "c", alias = "consumerGroup")]
+    pub consumer_group: CheetahString,
+
+    #[serde(rename = "t", alias = "topic")]
+    pub topic: CheetahString,
+
+    #[serde(rename = "q", alias = "queueId")]
+    pub queue_id: i32,
+
+    #[serde(rename = "pt", alias = "popTime")]
+    pub pop_time: i64,
+
+    #[serde(rename = "bn", alias = "brokerName")]
+    pub broker_name: CheetahString,
+}
+
+impl Display for AckMsg {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "AckMsg [ack_offset={}, start_offset={}, consumer_group={}, topic={}, queue_id={}, \
+             pop_time={}, broker_name={}]",
+            self.ack_offset,
+            self.start_offset,
+            self.consumer_group,
+            self.topic,
+            self.queue_id,
+            self.pop_time,
+            self.broker_name
+        )
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use cheetah_string::CheetahString;
+
+    use super::*;
+
+    #[test]
+    fn display_ack_msg_formats_correctly() {
+        let ack_msg = AckMsg {
+            ack_offset: 123,
+            start_offset: 456,
+            consumer_group: CheetahString::from_static_str("test_group"),
+            topic: CheetahString::from_static_str("test_topic"),
+            queue_id: 1,
+            pop_time: 789,
+            broker_name: CheetahString::from_static_str("test_broker"),
+        };
+        let expected = "AckMsg [ack_offset=123, start_offset=456, consumer_group=test_group, \
+                        topic=test_topic, queue_id=1, pop_time=789, broker_name=test_broker]";
+        assert_eq!(format!("{}", ack_msg), expected);
+    }
+
+    #[test]
+    fn ack_msg_serializes_correctly() {
+        let ack_msg = AckMsg {
+            ack_offset: 123,
+            start_offset: 456,
+            consumer_group: CheetahString::from_static_str("test_group"),
+            topic: CheetahString::from_static_str("test_topic"),
+            queue_id: 1,
+            pop_time: 789,
+            broker_name: CheetahString::from_static_str("test_broker"),
+        };
+        let json = serde_json::to_string(&ack_msg).unwrap();
+        let expected = r#"{"ao":123,"so":456,"c":"test_group","t":"test_topic","q":1,"pt":789,"bn":"test_broker"}"#;
+        assert_eq!(json, expected);
+    }
+
+    #[test]
+    fn ack_msg_deserializes_correctly() {
+        let json = r#"{"ao":123,"so":456,"c":"test_group","t":"test_topic","q":1,"pt":789,"bn":"test_broker"}"#;
+        let ack_msg: AckMsg = serde_json::from_str(json).unwrap();
+        assert_eq!(ack_msg.ack_offset, 123);
+        assert_eq!(ack_msg.start_offset, 456);
+        assert_eq!(
+            ack_msg.consumer_group,
+            CheetahString::from_static_str("test_group")
+        );
+        assert_eq!(ack_msg.topic, CheetahString::from_static_str("test_topic"));
+        assert_eq!(ack_msg.queue_id, 1);
+        assert_eq!(ack_msg.pop_time, 789);
+        assert_eq!(
+            ack_msg.broker_name,
+            CheetahString::from_static_str("test_broker")
+        );
+    }
+}