Add Redis configuration and dependencies

Author: Trinh-Tan-Dat

pom.xml

@@ -102,6 +102,23 @@
 
 
 
+		<!-- https://mvnrepository.com/artifact/redis.clients/jedis -->
+		<dependency>
+			<groupId>redis.clients</groupId>
+			<artifactId>jedis</artifactId>
+			<version>5.1.0</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-data-redis -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-redis</artifactId>
+			<version>3.2.4</version>
+		</dependency>
+
+
+
+
+
 
 
 

src/main/java/com/programming/userService/config/RedisConfig.java

@@ -0,0 +1,45 @@
+package com.programming.userService.config;
+
+import org.springframework.data.redis.repository.configuration.EnableRedisRepositories;
+import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+import org.springframework.beans.factory.annotation.Value;
+@Configuration
+@EnableRedisRepositories
+public class RedisConfig {
+
+    @Value("${spring.redis.host}")
+    private String redisHost;
+
+    @Value("${spring.redis.port}")
+    private int redisPort;
+
+    @Value("${spring.redis.password}")
+    private String redisPassword;
+
+    @Bean
+    public RedisConnectionFactory redisConnectionFactory() {
+        RedisStandaloneConfiguration redisConfig = new RedisStandaloneConfiguration();
+        redisConfig.setHostName(redisHost);
+        redisConfig.setPort(redisPort);
+        redisConfig.setPassword(redisPassword);
+
+        return new LettuceConnectionFactory(redisConfig);
+    }
+
+
+    @Bean
+    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
+        RedisTemplate<String, Object> template = new RedisTemplate<>();
+        template.setConnectionFactory(connectionFactory);
+        template.setKeySerializer(new StringRedisSerializer());
+        template.setValueSerializer(new GenericJackson2JsonRedisSerializer());
+        return template;
+    }
+}

src/main/java/com/programming/userService/controller/UserController.java

@@ -23,6 +23,7 @@
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.mail.MailException;
 import org.springframework.mail.SimpleMailMessage;
 import org.springframework.mail.javamail.JavaMailSender;
@@ -33,14 +34,17 @@
 import com.programming.userService.util.JwtUtil;
 import com.programming.userService.entity.CustomUserDetails;
 import com.programming.userService.entity.AuthUser;
+import org.springframework.data.redis.core.RedisTemplate;
+
 @RestController
 @AllArgsConstructor
 @RequestMapping("/user")
 public class UserController {
 
     private final AuthUserRepository userRepository;
     private final PasswordEncoder passwordEncoder;
-
+    private final RedisTemplate<String, Object> redisTemplate;
+    private static final String USER_CACHE = "USER_CACHE";
     @Autowired
     private JwtUtil jwtUtil;
 
@@ -164,10 +168,14 @@ public ResponseEntity listUserbyUsername(@RequestBody AuthUser user) {
         }
     }
 
+    @Cacheable(value = USER_CACHE, key = "#id")
     @GetMapping("/listUserbyId/{id}")
     public ResponseEntity listUserbyId(@PathVariable("id") String id) {
         try {
-            return ResponseEntity.ok(userRepository.findById(id));
+            AuthUser user = userRepository.findById(id).orElseThrow(() -> new Exception("User not found"));
+            // Save user in Redis cache
+            redisTemplate.opsForHash().put(USER_CACHE, id, user);
+            return ResponseEntity.ok(user);
         } catch (Exception e) {
             return ResponseEntity.internalServerError().body(e.getMessage());
         }

src/main/java/com/programming/userService/entity/AuthUser.java

@@ -7,11 +7,12 @@
 import org.springframework.data.mongodb.core.mapping.Document;
 
 import java.util.Date;
+import java.io.Serializable;
 
 @Data
 @Builder
 @Document("user")
-public class AuthUser {
+public class AuthUser implements Serializable {
     @Id
     private String id;
     @Indexed
@@ -24,4 +25,7 @@ public class AuthUser {
     private byte[] avatar;
     private String email;
     private Date timestamp;
+
+
+    private static final long serialVersionUID = 1L;
 }

src/main/resources/application.properties

@@ -18,3 +18,9 @@ [email protected]
 spring.mail.password=vkux umrv rtkd svsy
 spring.mail.properties.mail.smtp.auth=true
 spring.mail.properties.mail.smtp.starttls.enable=true
+
+
+# Redis
+spring.redis.host=localhost
+spring.redis.port=6379
+spring.redis.password=