add some endpoints

pom.xml

@@ -74,6 +74,15 @@
 			<artifactId>modelmapper</artifactId>
 			<version>3.1.0</version>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.kafka</groupId>
+			<artifactId>spring-kafka</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.datatype</groupId>
+			<artifactId>jackson-datatype-jsr310</artifactId>
+			<version>2.13.4</version>
+		</dependency>
 	</dependencies>
 	<dependencyManagement>
 		<dependencies>

src/main/java/com/ali/notificationsvc/config/NotificationKafkaConsumer.java

+package com.ali.notificationsvc.config;
+
+import com.ali.notificationsvc.deserialization.NotificationDeserializer;
+import com.ali.notificationsvc.dtos.CreateNotificationDto;
+import org.apache.kafka.clients.CommonClientConfigs;
+import org.apache.kafka.clients.consumer.ConsumerConfig;
+import org.apache.kafka.common.config.SaslConfigs;
+import org.apache.kafka.common.serialization.LongDeserializer;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
+import org.springframework.kafka.config.KafkaListenerContainerFactory;
+import org.springframework.kafka.core.ConsumerFactory;
+import org.springframework.kafka.core.DefaultKafkaConsumerFactory;
+import org.springframework.kafka.listener.ConcurrentMessageListenerContainer;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Configuration
+public class NotificationKafkaConsumer {
+    @Value("${spring.kafka.bootstrap-servers}")
+    private String bootstrapServers;
+
+    @Value("${spring.kafka.properties.security.protocol}")
+    private String securityProtocol;
+
+    @Value("${spring.kafka.properties.sasl.mechanism}")
+    private String saslMechanism;
+
+    @Value("${spring.kafka.properties.sasl.jaas.config}")
+    private String saslJaasConfig;
+
+    @Bean
+    public Map<String, Object> notificationConsumerConfig(){
+        Map<String,Object> props = new HashMap<>();
+        props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG,bootstrapServers);
+        props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, LongDeserializer.class);
+        props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, NotificationDeserializer.class);
+        props.put(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG, securityProtocol);
+        props.put(SaslConfigs.SASL_MECHANISM, saslMechanism);
+        props.put(SaslConfigs.SASL_JAAS_CONFIG, saslJaasConfig);
+        return props;
+    }
+
+    @Bean
+    public ConsumerFactory<Long, CreateNotificationDto> notificationConsumerFactory(){
+        return new DefaultKafkaConsumerFactory<>(notificationConsumerConfig());
+    }
+
+    @Bean
+    public KafkaListenerContainerFactory<ConcurrentMessageListenerContainer<Long,CreateNotificationDto>> notificationFactory
+            (ConsumerFactory<Long,CreateNotificationDto> notificationConsumerFactory){
+        ConcurrentKafkaListenerContainerFactory<Long,CreateNotificationDto> notificationFactory
+                = new ConcurrentKafkaListenerContainerFactory<>();
+        notificationFactory.setConsumerFactory(notificationConsumerFactory);
+        return notificationFactory;
+    }
+}

src/main/java/com/ali/notificationsvc/deserialization/NotificationDeserializer.java

+package com.ali.notificationsvc.deserialization;
+
+import com.ali.notificationsvc.dtos.CreateNotificationDto;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.kafka.common.serialization.Deserializer;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import java.io.IOException;
+
+public class NotificationDeserializer implements Deserializer<CreateNotificationDto> {
+    private ObjectMapper objectMapper;
+    public NotificationDeserializer() {
+        this.objectMapper = new ObjectMapper();
+        objectMapper.registerModule(new JavaTimeModule());
+    }
+
+    @Override
+    public CreateNotificationDto deserialize(String s, byte[] bytes) {
+        try {
+            return objectMapper.readValue(bytes, CreateNotificationDto.class);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
+
+

src/main/java/com/ali/notificationsvc/kafkalisteners/NotificationKafkaListener.java

+package com.ali.notificationsvc.kafkalisteners;
+
+import com.ali.notificationsvc.dtos.CreateNotificationDto;
+import com.ali.notificationsvc.services.INotificationService;
+import com.ali.notificationsvc.status.RequestStatus;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.stereotype.Component;
+
+
+@Component
+public class NotificationKafkaListener {
+    @Autowired
+    private INotificationService notificationService;
+
+    public NotificationKafkaListener(INotificationService notificationService) {
+        this.notificationService = notificationService;
+    }
+    @KafkaListener(
+            topics ="${spring.kafka.topic.name}",
+            groupId ="${spring.kafka.consumer.group-id}",
+            containerFactory = "notificationFactory"
+    )
+    void listener(ConsumerRecord<Long, CreateNotificationDto> data){
+        CreateNotificationDto createNotificationDto = data.value();
+        System.out.println("Key: " + data.key());
+        System.out.println("Received: " + createNotificationDto.toString());
+        RequestStatus requestStatus = notificationService.create(createNotificationDto);
+        System.out.println(requestStatus.isStatus());
+        System.out.println(requestStatus.getDescribtion());
+    }
+}

src/main/resources/application.properties

@@ -4,4 +4,14 @@ server.port=8090
 spring.datasource.url=jdbc:mysql://localhost:3306/notificationSVCDB
 spring.datasource.username=root
 spring.datasource.password=ali123
-spring.jpa.hibernate.ddl-auto=update
+spring.jpa.hibernate.ddl-auto=update
\ No newline at end of file
+spring.kafka.bootstrap-servers=192.168.159.129:9092
+spring.kafka.properties.security.protocol=SASL_PLAINTEXT
+spring.kafka.properties.sasl.mechanism=PLAIN
+spring.kafka.properties.sasl.jaas.config=org.apache.kafka.common.security.plain.PlainLoginModule required username="user1" password="r48ZrwWBmu";
+spring.kafka.consumer.group-id=notification-group
+spring.kafka.topic.name=Notification_Topic
+spring.kafka.consumer.auto-offset-reset=earliest
+management.endpoints.web.exposure.include=prometheus
+management.endpoint.prometheus.enabled=true
+management.endpoint.health.show.details=always
\ No newline at end of file