Storage System (#92)

First idea of the storage system

Reviewed-on: PGL/Clyde#92
Co-authored-by: Bartha Maxime <231026@umons.ac.be>
Co-committed-by: Bartha Maxime <231026@umons.ac.be>

backend/src/main/java/ovh/herisson/Clyde/EndPoints/StorageController.java

@@ -0,0 +1,32 @@
+package ovh.herisson.Clyde.EndPoints;
+
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+import ovh.herisson.Clyde.Services.StorageService;
+import org.springframework.core.io.Resource;
+import ovh.herisson.Clyde.Tables.FileType;
+
+@RestController
+@CrossOrigin(origins = "http://localhost:5173")
+public class StorageController {
+
+    private final StorageService storageServ;
+
+    public StorageController(StorageService storageServ){
+        this.storageServ= storageServ;
+    }
+
+
+    @PostMapping("/upload/{fileType}")
+    public ResponseEntity<String> handleFileUpload(@RequestParam("file") MultipartFile file, @PathVariable FileType fileType) {
+
+        String path = storageServ.store(file,fileType);
+
+        if (path == null) return new ResponseEntity<>("issue with the file storage", HttpStatus.BAD_REQUEST);
+
+        return  new ResponseEntity<>(path, HttpStatus.OK);
+    }
+}

backend/src/main/java/ovh/herisson/Clyde/EndPoints/UserController.java

@@ -31,7 +31,7 @@ public class UserController {
         return new ResponseEntity<>(user, HttpStatus.OK);
     }
 
-    @PostMapping("/user")
+    @PostMapping("/user") //todo check role
     public ResponseEntity<String> postUser(@RequestBody User user){
         userService.save(user);
         return new ResponseEntity<>(String.format("Account created with ID:%s",user.getRegNo()),HttpStatus.CREATED);

backend/src/main/java/ovh/herisson/Clyde/Repositories/FileRepository.java

@@ -0,0 +1,9 @@
+package ovh.herisson.Clyde.Repositories;
+
+import org.springframework.data.repository.CrudRepository;
+
+import ovh.herisson.Clyde.Tables.StorageFile;
+
+
+public interface FileRepository extends CrudRepository<StorageFile,Long> {
+}

backend/src/main/java/ovh/herisson/Clyde/Services/StorageService.java

@@ -0,0 +1,56 @@
+package ovh.herisson.Clyde.Services;
+
+import org.springframework.core.io.UrlResource;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+import ovh.herisson.Clyde.Repositories.FileRepository;
+import ovh.herisson.Clyde.Tables.FileType;
+import ovh.herisson.Clyde.Tables.StorageFile;
+import java.io.IOException;
+import org.springframework.core.io.Resource;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.Objects;
+import java.util.UUID;
+
+@Service
+public class StorageService {
+
+
+    private final Path rootLocation = Paths.get("cdn/");
+    private final FileRepository fileRepo;
+
+    public StorageService(FileRepository filerepo){
+        this.fileRepo = filerepo;
+    }
+
+
+    public String store(MultipartFile file, FileType fileType) {
+
+        if (file.getOriginalFilename().isEmpty()){return null;}
+
+        UUID uuid = UUID.randomUUID();
+        String stringUuid = uuid + "." + file.getOriginalFilename().split("\\.",2)[1];
+        try {
+            if (file.isEmpty()) {
+                return null;
+            }
+
+            Path destinationFile = this.rootLocation.resolve(Paths.get(stringUuid));
+
+            Files.copy(file.getInputStream(), destinationFile,StandardCopyOption.REPLACE_EXISTING);
+        }
+        catch (IOException e) {
+            return null;
+        }
+
+        String url = this.rootLocation.resolve(Paths.get(Objects.requireNonNull(stringUuid)))
+                .normalize().toString();
+
+        fileRepo.save(new StorageFile(file.getName(),url, fileType));
+
+        return url;
+    }
+}

backend/src/main/java/ovh/herisson/Clyde/Tables/FileType.java

@@ -0,0 +1,8 @@
+package ovh.herisson.Clyde.Tables;
+
+public enum FileType {
+
+    ProfilePicture,
+
+    EducationCertificate
+}

backend/src/main/java/ovh/herisson/Clyde/Tables/StorageFile.java

@@ -0,0 +1,63 @@
+package ovh.herisson.Clyde.Tables;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+
+@Entity
+public class StorageFile {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    private String name;
+
+    private String url;
+
+    private FileType fileType;
+
+
+    public StorageFile(String name, String url, FileType fileType){
+        this.name = name;
+        this.url = url;
+        this.fileType = fileType;
+    }
+
+    public StorageFile(){}
+
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public FileType getFileType() {
+        return fileType;
+    }
+
+    public void setFileType(FileType fileType) {
+        this.fileType = fileType;
+    }
+}

backend/src/main/java/ovh/herisson/Clyde/Tables/User.java

@@ -23,7 +23,9 @@ public class User {
     private String profilePictureUrl;
     private ovh.herisson.Clyde.Tables.Role role;
     private String password;
-    public User(String lastName, String firstName, String email, String address, String country, Date birthDate, String profilePictureUrl, Role role, String password){
+    public User(String lastName, String firstName, String email, String address,
+                String country, Date birthDate, String profilePictureUrl, Role role, String password)
+    {
         this.lastName = lastName;
         this.firstName = firstName;
         this.email = email;