Feat/log (#33)

* feat: add logging

* feat: save log file

* chore: edit gitignore

* chore: edit gitignore

* fix: post api search

.gitignore

@@ -1,5 +1,6 @@
 HELP.md
 .gradle
+logs/
 build/
 !gradle/wrapper/gradle-wrapper.jar
 !**/src/main/**/build/

build.gradle

@@ -29,6 +29,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	implementation 'org.springframework.boot:spring-boot-starter-security'
 	implementation 'org.springframework.boot:spring-boot-starter-jdbc'
+	implementation 'org.springframework.boot:spring-boot-starter-aop'
 	implementation 'com.mysql:mysql-connector-j'
 	implementation 'io.github.cdimascio:java-dotenv:5.2.2'
 	implementation 'io.jsonwebtoken:jjwt-api:0.11.5'

src/main/java/com/kert/Application.java

@@ -2,12 +2,13 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.EnableAspectJAutoProxy;
 import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
 @SpringBootApplication
 @EnableJpaAuditing
+@EnableAspectJAutoProxy
 public class Application {
-
 	public static void main(String[] args) {
 		SpringApplication.run(Application.class, args);
 	}

src/main/java/com/kert/config/LoggingAspect.java

@@ -0,0 +1,53 @@
+package com.kert.config;
+
+import org.aspectj.lang.annotation.AfterThrowing;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.aspectj.lang.annotation.Pointcut;
+import org.springframework.stereotype.Component;
+import jakarta.servlet.http.HttpServletRequest;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+
+@Aspect
+@Component
+public class LoggingAspect {
+
+
+
+    private static final Logger logger = LoggerFactory.getLogger(LoggingAspect.class);
+
+    @Pointcut("within(@org.springframework.web.bind.annotation.RestController *) || within(@org.springframework.stereotype.Controller *)")
+    public void controllerMethods() {}
+
+
+    @Before("controllerMethods()")
+    public void logBeforeRequest() {
+        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest();
+        String clientIp = getClientIpAddress(request);
+        String uri = request.getRequestURI();
+        String method = request.getMethod();
+        logger.info("Request - Method: {}, URI: {}, Client IP: {}", method, uri, clientIp);
+    }
+
+    @AfterThrowing(pointcut = "controllerMethods()", throwing = "exception")
+    public void logAfterThrowing(Exception exception) {
+        logger.error("An error occurred: {}", exception.getMessage());
+    }
+
+    // 클라이언트 IP를 확인하는 메서드
+    private String getClientIpAddress(HttpServletRequest request) {
+        String clientIp = request.getHeader("X-Forwarded-For");
+        if (clientIp == null || clientIp.isEmpty() || "unknown".equalsIgnoreCase(clientIp)) {
+            clientIp = request.getHeader("X-Real-IP");
+        }
+        if (clientIp == null || clientIp.isEmpty() || "unknown".equalsIgnoreCase(clientIp)) {
+            clientIp = request.getRemoteAddr();
+        } else {
+            clientIp = clientIp.split(",")[0]; // 여러 IP 값이 있을 경우 첫 번째 값만 사용
+        }
+        return clientIp;
+    }
+}

src/main/java/com/kert/controller/PostController.java

@@ -27,7 +27,7 @@ public ResponseEntity<Page<Post>> getPosts(
             @RequestParam(defaultValue = "1") int page,
             @RequestParam(defaultValue = "10") int size) {
 
-        Page<Post> posts = postService.searchPosts(search, page, size);
+        Page<Post> posts = postService.searchPosts(search, page -1, size);
         return ResponseEntity.ok(posts);
     }
 

src/main/java/com/kert/service/PostService.java

@@ -41,7 +41,7 @@ private String extractTokenFromRequest(HttpServletRequest request) {
 
     public Page<Post> searchPosts(String search, int page, int size) {
         Pageable pageable = PageRequest.of(page, size);
-        if (search != null && !search.isEmpty()) {
+        if (search != null && !search.trim().isEmpty()) {
             return postRepository.findByTitleContainingOrTagContaining(search, search, pageable);
         } else {
             return postRepository.findAll(pageable);

src/main/resources/application.properties

@@ -10,4 +10,16 @@ spring.datasource.password=${MYSQL_ROOT_PASSWORD}
 
 spring.jpa.hibernate.ddl-auto=update
 spring.jpa.show-sql=true
-spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect
+
+# log level
+logging.level.root=INFO
+logging.level.com.kert.config.LoggingAspect=INFO
+
+# log path
+logging.file.name=logs/application.log
+logging.file.path=logs
+
+# log pattern
+logging.pattern.console=%d{yyyy-MM-dd HH:mm:ss} - %msg%n
+logging.pattern.file=%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n