Merge pull request #32 from thughari/codex/implement-resource-caching-and-file-upload

Codex/implement resource caching and file upload

Author: thughari

backend/src/main/java/com/thughari/jobtrackerpro/config/SecurityConfig.java

@@ -8,6 +8,7 @@
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpMethod;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
@@ -56,6 +57,7 @@ public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Excepti
 		.csrf(AbstractHttpConfigurer::disable)
 		.sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
 		.authorizeHttpRequests(auth -> auth
+				.requestMatchers(HttpMethod.GET, "/api/resources", "/api/resources/**").permitAll()
 				.requestMatchers(publicEndpoints).permitAll()
 				.anyRequest().authenticated()
 				)

backend/src/main/java/com/thughari/jobtrackerpro/controller/CareerResourceController.java

@@ -0,0 +1,83 @@
+package com.thughari.jobtrackerpro.controller;
+
+import com.thughari.jobtrackerpro.dto.CareerResourceDTO;
+import com.thughari.jobtrackerpro.dto.CareerResourcePageResponse;
+import com.thughari.jobtrackerpro.dto.CreateCareerResourceRequest;
+import com.thughari.jobtrackerpro.service.CareerResourceService;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.authentication.AnonymousAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.UUID;
+
+@RestController
+@RequestMapping("/api/resources")
+public class CareerResourceController {
+
+    private final CareerResourceService careerResourceService;
+
+    public CareerResourceController(CareerResourceService careerResourceService) {
+        this.careerResourceService = careerResourceService;
+    }
+
+    @GetMapping
+    public ResponseEntity<CareerResourcePageResponse> getResources(
+            @RequestParam(defaultValue = "0") int page,
+            @RequestParam(defaultValue = "20") int size
+    ) {
+        return ResponseEntity.ok(careerResourceService.getResourcePage(page, size, getAuthenticatedEmailOrNull()));
+    }
+
+    @PostMapping
+    public ResponseEntity<CareerResourceDTO> addResource(@RequestBody CreateCareerResourceRequest request) {
+        String email = getAuthenticatedEmail();
+        return ResponseEntity.ok(careerResourceService.createResource(email, request));
+    }
+
+    @PostMapping(path = "/upload", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
+    public ResponseEntity<CareerResourceDTO> uploadResource(
+            @RequestParam String title,
+            @RequestParam String category,
+            @RequestParam(required = false) String description,
+            @RequestParam MultipartFile file
+    ) {
+        String email = getAuthenticatedEmail();
+        return ResponseEntity.ok(careerResourceService.createResourceFromFile(email, title, category, description, file));
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> deleteResource(@PathVariable UUID id) {
+        String email = getAuthenticatedEmail();
+        careerResourceService.deleteResource(email, id);
+        return ResponseEntity.noContent().build();
+    }
+
+    private String getAuthenticatedEmail() {
+        return ((String) SecurityContextHolder.getContext().getAuthentication().getPrincipal()).toLowerCase();
+    }
+
+    private String getAuthenticatedEmailOrNull() {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        if (authentication == null || !authentication.isAuthenticated() || authentication instanceof AnonymousAuthenticationToken) {
+            return null;
+        }
+
+        Object principal = authentication.getPrincipal();
+        if (principal instanceof String email && !"anonymousUser".equalsIgnoreCase(email)) {
+            return email.toLowerCase();
+        }
+
+        return null;
+    }
+}

backend/src/main/java/com/thughari/jobtrackerpro/dto/CareerResourceDTO.java

@@ -0,0 +1,21 @@
+package com.thughari.jobtrackerpro.dto;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+@Data
+public class CareerResourceDTO {
+    private UUID id;
+    private String title;
+    private String url;
+    private String category;
+    private String description;
+    private String resourceType;
+    private String originalFileName;
+    private Long fileSizeBytes;
+    private boolean ownedByCurrentUser;
+    private String submittedByName;
+    private LocalDateTime createdAt;
+}

backend/src/main/java/com/thughari/jobtrackerpro/dto/CareerResourcePageResponse.java

@@ -0,0 +1,17 @@
+package com.thughari.jobtrackerpro.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+@AllArgsConstructor
+public class CareerResourcePageResponse {
+    private List<CareerResourceDTO> content;
+    private int page;
+    private int size;
+    private long totalElements;
+    private int totalPages;
+    private boolean hasNext;
+}

backend/src/main/java/com/thughari/jobtrackerpro/dto/CreateCareerResourceRequest.java

@@ -0,0 +1,11 @@
+package com.thughari.jobtrackerpro.dto;
+
+import lombok.Data;
+
+@Data
+public class CreateCareerResourceRequest {
+    private String title;
+    private String url;
+    private String category;
+    private String description;
+}

backend/src/main/java/com/thughari/jobtrackerpro/entity/CareerResource.java

@@ -0,0 +1,60 @@
+package com.thughari.jobtrackerpro.entity;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.PrePersist;
+import jakarta.persistence.Table;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+@Data
+@Entity
+@Table(name = "career_resources")
+public class CareerResource {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    @Column(columnDefinition = "uuid")
+    private UUID id;
+
+    @Column(nullable = false, length = 180)
+    private String title;
+
+    @Column(nullable = false, length = 2048)
+    private String url;
+
+    @Column(nullable = false, length = 16)
+    private String resourceType = "LINK";
+
+    @Column(nullable = false, length = 80)
+    private String category;
+
+    @Column(length = 1200)
+    private String description;
+
+    @Column(length = 255)
+    private String originalFileName;
+
+    private Long fileSizeBytes;
+
+    @Column(nullable = false)
+    private String submittedByEmail;
+
+    @Column(nullable = false)
+    private String submittedByName;
+
+    @Column(nullable = false)
+    private LocalDateTime createdAt;
+
+    @PrePersist
+    public void prePersist() {
+        if (createdAt == null) {
+            createdAt = LocalDateTime.now();
+        }
+    }
+}

backend/src/main/java/com/thughari/jobtrackerpro/interfaces/StorageService.java

@@ -6,6 +6,7 @@ public interface StorageService {
 
 	String uploadFile(MultipartFile file, String userId);
     String uploadFromUrl(String externalUrl, String userId);
+    String uploadResourceFile(MultipartFile file, String userId);
     void deleteFile(String fileUrl);
 
 }

backend/src/main/java/com/thughari/jobtrackerpro/repo/CareerResourceRepository.java

@@ -0,0 +1,17 @@
+package com.thughari.jobtrackerpro.repo;
+
+import com.thughari.jobtrackerpro.entity.CareerResource;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+
+import java.util.List;
+import java.util.UUID;
+
+public interface CareerResourceRepository extends JpaRepository<CareerResource, UUID> {
+    List<CareerResource> findAllByOrderByCreatedAtDesc();
+
+    Page<CareerResource> findAllByOrderByCreatedAtDesc(Pageable pageable);
+
+    boolean existsByUrl(String url);
+}