Add feature X: explain briefly what you did

app(backend)/pom.xml

@@ -1,112 +1,58 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<parent>
+<dependencies>
+	<dependency>
 		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.3</version>
-		<relativePath/> <!-- lookup parent from repository -->
-	</parent>
-	<groupId>com.knockoutzone</groupId>
-	<artifactId>backend</artifactId>
-	<version>0.0.1-SNAPSHOT</version>
-	<name>KnockOutZone Backend</name>
-	<description>KnockOutZone Backend</description>
-	<url/>
-	<licenses>
-		<license/>
-	</licenses>
-	<developers>
-		<developer/>
-	</developers>
-	<scm>
-		<connection/>
-		<developerConnection/>
-		<tag/>
-		<url/>
-	</scm>
-	<properties>
-		<java.version>21</java.version>
-	</properties>
-	<dependencies>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-data-jpa</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-security</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.hibernate.orm</groupId>
-			<artifactId>hibernate-envers</artifactId>
-		</dependency>
+		<artifactId>spring-boot-starter-data-jpa</artifactId>
+	</dependency>
 
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-validation</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-web</artifactId>
-		</dependency>
+	<dependency>
+		<groupId>org.projectlombok</groupId>
+		<artifactId>lombok</artifactId>
+		<version>1.18.28</version> <!-- Updated for Java 21 -->
+		<scope>provided</scope>
+	</dependency>
 
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-devtools</artifactId>
-			<scope>runtime</scope>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
-			<groupId>org.postgresql</groupId>
-			<artifactId>postgresql</artifactId>
-			<scope>runtime</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.projectlombok</groupId>
-			<artifactId>lombok</artifactId>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.security</groupId>
-			<artifactId>spring-security-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
+	<dependency>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-security</artifactId>
+	</dependency>
+
+	<dependency>
+		<groupId>org.hibernate.orm</groupId>
+		<artifactId>hibernate-envers</artifactId>
+	</dependency>
+
+	<dependency>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-validation</artifactId>
+	</dependency>
+
+	<dependency>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-web</artifactId>
+	</dependency>
+
+	<dependency>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-devtools</artifactId>
+		<scope>runtime</scope>
+		<optional>true</optional>
+	</dependency>
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<configuration>
-					<annotationProcessorPaths>
-						<path>
-							<groupId>org.projectlombok</groupId>
-							<artifactId>lombok</artifactId>
-						</path>
-					</annotationProcessorPaths>
-				</configuration>
-			</plugin>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-				<configuration>
-					<excludes>
-						<exclude>
-							<groupId>org.projectlombok</groupId>
-							<artifactId>lombok</artifactId>
-						</exclude>
-					</excludes>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
+	<dependency>
+		<groupId>org.postgresql</groupId>
+		<artifactId>postgresql</artifactId>
+		<scope>runtime</scope>
+	</dependency>
+
+	<dependency>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-test</artifactId>
+		<scope>test</scope>
+	</dependency>
 
-</project>
+	<dependency>
+		<groupId>org.springframework.security</groupId>
+		<artifactId>spring-security-test</artifactId>
+		<scope>test</scope>
+	</dependency>
+</dependencies>

app(backend)/src/main/java/com/knockoutzone/backend/controller/FoulController.java

@@ -0,0 +1,31 @@
+package com.knockoutzone.backend.controller;
+
+import com.knockoutzone.backend.entity.Foul;
+import com.knockoutzone.backend.service.impl.FoulService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/fouls")
+public class FoulController {
+
+    @Autowired
+    private FoulService foulService;
+
+    @PostMapping
+    public Foul addFoul(@RequestBody Foul foul) {
+        return foulService.addFoul(foul);
+    }
+
+    @GetMapping("/match/{matchId}")
+    public List<Foul> getFoulsByMatch(@PathVariable Long matchId) {
+        return foulService.getFoulsByMatch(matchId);
+    }
+
+    @GetMapping("/player/{playerId}")
+    public List<Foul> getFoulsByPlayer(@PathVariable Long playerId) {
+        return foulService.getFoulsByPlayer(playerId);
+    }
+}

app(backend)/src/main/java/com/knockoutzone/backend/dto/ApiResponse.java

@@ -13,4 +13,3 @@ public class ApiResponse<T> {
     private String message = null;
     private T data = null;
 }
-

app(backend)/src/main/java/com/knockoutzone/backend/entity/ApiResponse.java

@@ -0,0 +1,15 @@
+//package com.knockoutzone.backend.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class ApiResponse<T> {
+    private boolean success = true;
+    private int statusCode = 200;
+    private String message = null;
+    private T data = null;
+}

app(backend)/src/main/java/com/knockoutzone/backend/entity/EventMode.java

@@ -0,0 +1,8 @@
+// EventMode.java
+package com.knockoutzone.backend.entity;
+
+public enum EventMode {
+    ONLINE,
+    OFFLINE,
+    HYBRID
+}

app(backend)/src/main/java/com/knockoutzone/backend/entity/Foul.java

@@ -0,0 +1,36 @@
+package com.knockoutzone.backend.entity;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.time.LocalDateTime;
+
+@Entity
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class Foul {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private Long matchId;
+    private Long playerId;
+    private Long teamId;
+
+    private String type; // e.g., Minor, Major
+    private String description;
+
+    private LocalDateTime timestamp;
+
+    // Manually add setter for timestamp to fix "cannot find symbol" error
+    public void setTimestamp(LocalDateTime timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    // Optional: you can also add getter explicitly if needed
+    public LocalDateTime getTimestamp() {
+        return timestamp;
+    }
+}

app(backend)/src/main/java/com/knockoutzone/backend/entity/Platform.java

@@ -0,0 +1,8 @@
+// Platform.java
+package com.knockoutzone.backend.entity;
+
+public enum Platform {
+    PC,
+    MOBILE,
+    CONSOLE
+}

app(backend)/src/main/java/com/knockoutzone/backend/entity/ScheduleType.java

@@ -0,0 +1,7 @@
+// ScheduleType.java
+package com.knockoutzone.backend.entity;
+
+public enum ScheduleType {
+    FIXED,
+    FLEXIBLE
+}

app(backend)/src/main/java/com/knockoutzone/backend/entity/Tournament.java

@@ -1,7 +1,8 @@
 package com.knockoutzone.backend.entity;
 
 
-import com.knockoutzone.backend.entity.enums.*;
+
+//import com.knockoutzone.backend.entity.enums.*;
 import jakarta.persistence.*;
 import lombok.*;
 import org.hibernate.envers.Audited;

app(backend)/src/main/java/com/knockoutzone/backend/entity/TournamentStatus.java

@@ -0,0 +1,8 @@
+package com.knockoutzone.backend.entity;
+
+public enum TournamentStatus {
+    UPCOMING,
+    ONGOING,
+    COMPLETED,
+    CANCELLED
+}

app(backend)/src/main/java/com/knockoutzone/backend/entity/TournamentType.java

@@ -0,0 +1,10 @@
+package com.knockoutzone.backend.entity;
+import com.knockoutzone.backend.entity.TournamentType;
+
+
+public enum TournamentType {
+    SINGLE_ELIMINATION,
+    DOUBLE_ELIMINATION,
+    ROUND_ROBIN,
+    LEAGUE
+}

app(backend)/src/main/java/com/knockoutzone/backend/repository/FoulRepository.java

@@ -0,0 +1,11 @@
+package com.knockoutzone.backend.repository;
+
+import com.knockoutzone.backend.entity.Foul;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+public interface FoulRepository extends JpaRepository<Foul, Long> {
+    List<Foul> findByMatchId(Long matchId);
+    List<Foul> findByPlayerId(Long playerId);
+}