ShanmugaKrishnanSM/RIT-nexus
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Merge branch 'main' of https://github.com/Amudieshwar-AG/Freshers-Hub

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This commit is contained in:
Devesh S
2026-07-22 13:40:32 +05:30
parent 1797c59e33 2bf7985f90
commit ec4d48acce
13 changed files with 400 additions and 149 deletions
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9
backend/.gitignore vendored Normal file
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/target/
/.settings/
/.classpath
/.project
/.metadata/
/bin/
*.class
.factorypath
.springBeans

3
backend/.vscode/settings.json vendored Normal file
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{
"java.compile.nullAnalysis.mode": "automatic"
}

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backend/pom.xml Normal file
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<?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>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.4.1</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.rit</groupId>
<artifactId>portal</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Freshers Hub Backend</name>
<description>Centralized Spring Boot backend for RIT Freshers Hub</description>
<url/>
<licenses>
<license/>
</licenses>
<developers>
<developer/>
</developers>
<scm>
<connection/>
<developerConnection/>
<tag/>
<url/>
</scm>
<properties>
<java.version>21</java.version>
</properties>
<dependencies>
<!-- Web MVC starter for building REST APIs -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- JPA starter for PostgreSQL database connection -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<!-- PostgreSQL database driver -->
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<!-- Project Lombok to avoid boilerplate code (Getters, Setters) -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<!-- Validation starter for DTO validators -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<!-- Spring Boot Starter Test -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<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>
</project>

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backend/src/main/java/com/rit/portal/PortalApplication.java Normal file
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package com.rit.portal;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class PortalApplication {
public static void main(String[] args) {
SpringApplication.run(PortalApplication.class, args);
}
}

113
backend/src/main/java/com/rit/portal/config/DataInitializer.java Normal file
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package com.rit.portal.config;
import com.rit.portal.entity.NotePyq;
import com.rit.portal.repository.NotePyqRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Component;
import java.time.LocalDateTime;
import java.util.Arrays;
@Component
public class DataInitializer implements CommandLineRunner {
@Autowired
private NotePyqRepository noteRepository;
@Override
public void run(String... args) throws Exception {
if (noteRepository.count() == 0) {
noteRepository.saveAll(Arrays.asList(
NotePyq.builder()
.title("Engineering Mathematics – Unit 1-5")
.subject("Mathematics")
.department("Computer Science & Engineering")
.semester(1)
.fileType("notes")
.downloadUrl("#")
.fileSize("4.2 MB")
.downloadsCount(348)
.uploadedAt(LocalDateTime.now())
.build(),
NotePyq.builder()
.title("Physics PYQ 2020-2024")
.subject("Physics")
.department("Computer Science & Engineering")
.semester(1)
.fileType("pyq")
.downloadUrl("#")
.fileSize("8.1 MB")
.downloadsCount(512)
.uploadedAt(LocalDateTime.now())
.build(),
NotePyq.builder()
.title("C Programming Complete Notes")
.subject("Programming")
.department("Computer Science & Engineering")
.semester(1)
.fileType("notes")
.downloadUrl("#")
.fileSize("6.3 MB")
.downloadsCount(734)
.uploadedAt(LocalDateTime.now())
.build(),
NotePyq.builder()
.title("Data Structures PYQ 2019-2024")
.subject("Data Structures")
.department("Computer Science & Engineering")
.semester(3)
.fileType("pyq")
.downloadUrl("#")
.fileSize("10.2 MB")
.downloadsCount(621)
.uploadedAt(LocalDateTime.now())
.build(),
NotePyq.builder()
.title("Circuit Theory Full Notes")
.subject("Circuit Theory")
.department("Electronics & Communication")
.semester(2)
.fileType("notes")
.downloadUrl("#")
.fileSize("5.7 MB")
.downloadsCount(289)
.uploadedAt(LocalDateTime.now())
.build(),
NotePyq.builder()
.title("Anna University Syllabus 2021")
.subject("Syllabus")
.department("All Departments")
.semester(1)
.fileType("syllabus")
.downloadUrl("#")
.fileSize("2.1 MB")
.downloadsCount(890)
.uploadedAt(LocalDateTime.now())
.build(),
NotePyq.builder()
.title("Thermodynamics Notes")
.subject("Thermodynamics")
.department("Mechanical Engineering")
.semester(3)
.fileType("notes")
.downloadUrl("#")
.fileSize("3.9 MB")
.downloadsCount(201)
.uploadedAt(LocalDateTime.now())
.build(),
NotePyq.builder()
.title("Digital Electronics PYQ")
.subject("Digital Electronics")
.department("Electronics & Communication")
.semester(4)
.fileType("pyq")
.downloadUrl("#")
.fileSize("7.3 MB")
.downloadsCount(445)
.uploadedAt(LocalDateTime.now())
.build()
));
System.out.println("🌱 Database successfully seeded with Notes & PYQs test data!");
}
}
}

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backend/src/main/java/com/rit/portal/config/WebConfig.java Normal file
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package com.rit.portal.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/api/**")
.allowedOrigins("http://localhost:5173", "http://localhost:3000")
.allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
.allowedHeaders("*")
.allowCredentials(true);
}
}

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backend/src/main/java/com/rit/portal/controller/NotePyqController.java Normal file
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package com.rit.portal.controller;
import com.rit.portal.entity.NotePyq;
import com.rit.portal.repository.NotePyqRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import java.util.List;
@RestController
@RequestMapping("/api/notes")
@CrossOrigin(origins = "*") // CrossOrigin configured globally, but added here for safety
public class NotePyqController {
@Autowired
private NotePyqRepository noteRepository;
// Get all notes
@GetMapping
public List<NotePyq> getAllNotes() {
return noteRepository.findAll();
}
// Get notes by semester
@GetMapping("/semester/{semester}")
public List<NotePyq> getNotesBySemester(@PathVariable Integer semester) {
return noteRepository.findBySemester(semester);
}
// Get notes by department
@GetMapping("/department")
public List<NotePyq> getNotesByDepartment(@RequestParam String dept) {
return noteRepository.findByDepartment(dept);
}
// Add a new note metadata
@PostMapping
public NotePyq createNote(@RequestBody NotePyq note) {
return noteRepository.save(note);
}
// Increment downloads count
@PostMapping("/{id}/download")
public ResponseEntity<Void> incrementDownloads(@PathVariable Long id) {
return noteRepository.findById(id).map(note -> {
note.setDownloadsCount(note.getDownloadsCount() + 1);
note.setFileType(note.getFileType()); // Keep dirty check
noteRepository.save(note);
return ResponseEntity.ok().<Void>build();
}).orElse(ResponseEntity.notFound().build());
}
}

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backend/src/main/java/com/rit/portal/entity/NotePyq.java Normal file
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package com.rit.portal.entity;
import jakarta.persistence.*;
import lombok.*;
import java.time.LocalDateTime;
@Entity
@Table(name = "notes_pyqs")
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class NotePyq {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(nullable = false)
private String title;
@Column(nullable = false)
private String subject;
@Column(nullable = false)
private String department;
@Column(nullable = false)
private Integer semester;
@Column(name = "file_type", nullable = false)
private String fileType; // 'notes', 'pyq', 'syllabus', 'assignment'
@Column(name = "download_url", nullable = false)
private String downloadUrl;
@Column(name = "file_size", nullable = false)
private String fileSize;
@Column(name = "downloads_count")
private Integer downloadsCount = 0;
@Column(name = "uploaded_at")
private LocalDateTime uploadedAt = LocalDateTime.now();
}

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backend/src/main/java/com/rit/portal/repository/NotePyqRepository.java Normal file
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package com.rit.portal.repository;
import com.rit.portal.entity.NotePyq;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository
public interface NotePyqRepository extends JpaRepository<NotePyq, Long> {
List<NotePyq> findBySemester(Integer semester);
List<NotePyq> findByDepartment(String department);
List<NotePyq> findByFileType(String fileType);
}

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backend/src/main/resources/application.properties Normal file
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# ─── DATABASE CONNECTION CONFIGURATION ───
spring.datasource.url=jdbc:postgresql://localhost:5432/rit_freshers_hub?sslmode=disable
spring.datasource.username=postgres
spring.datasource.password=Amudiesh22@.
# ─── JPA / HIBERNATE SETTINGS ───
spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
spring.jpa.hibernate.ddl-auto=validate
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true
# ─── SERVER PORT ───
server.port=8080