Draft: Resolve "Zenodo Sandbox integration for PID (e.g. DOI)"

Closes #89

fda-citation-service/rest-service/src/main/java/at/tuwien/endpoints/FileEndpoint.java

 package at.tuwien.endpoints;
 
 import at.tuwien.api.zenodo.files.FileResponseDto;
-import at.tuwien.exception.MetadataDatabaseNotFoundException;
-import at.tuwien.exception.ZenodoApiException;
-import at.tuwien.exception.ZenodoAuthenticationException;
-import at.tuwien.exception.ZenodoNotFoundException;
+import at.tuwien.api.zenodo.files.FileUploadDto;
+import at.tuwien.exception.*;
 import at.tuwien.service.FileService;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
 
 import javax.validation.Valid;
+import javax.validation.constraints.NotBlank;
 import java.util.List;
 
 @Log4j2
 @CrossOrigin(origins = "*")
 @RestController
-@RequestMapping("/api/database/{id}/table/{tableid}/file")
+@RequestMapping("/api/database/{id}/table/{tableid}/deposit/file")
 public class FileEndpoint {
 
     private final FileService fileService;
@@ -34,23 +34,36 @@ public class FileEndpoint {
         return fileService.listResources(databaseId, tableId);
     }
 
-//    public FileResponseDto find(@Valid @RequestParam("id") Long databaseId,
-//                                @Valid @RequestParam("tableId") Long tableId) {
-//
-//    }
-//
-//    public FileResponseDto create(@Valid @RequestParam("id") Long databaseId,
-//                                  @Valid @RequestParam("tableId") Long tableId) {
-//
-//    }
-//
-//    public FileResponseDto update(@Valid @RequestParam("id") Long databaseId,
-//                                  @Valid @RequestParam("tableId") Long tableId) {
-//
-//    }
-//
-//    public FileResponseDto delete(@Valid @RequestParam("id") Long databaseId,
-//                                  @Valid @RequestParam("tableId") Long tableId) {
-//
-//    }
+    @GetMapping("/{fileId}")
+    public FileResponseDto find(@Valid @RequestParam("id") Long databaseId,
+                                @Valid @RequestParam("tableId") Long tableId,
+                                @NotBlank @RequestParam("fileId") String fileId)
+            throws MetadataDatabaseNotFoundException, ZenodoApiException, ZenodoNotFoundException,
+            ZenodoAuthenticationException {
+        return fileService.findResource(databaseId, tableId, fileId);
+    }
+
+    @PostMapping
+    public FileResponseDto create(@Valid @RequestParam("id") Long databaseId,
+                                  @Valid @RequestParam("tableId") Long tableId,
+                                  @Valid @RequestParam("data") FileUploadDto data,
+                                  @Valid @RequestParam("file") MultipartFile file)
+            throws MetadataDatabaseNotFoundException, ZenodoApiException, ZenodoFileTooLargeException,
+            ZenodoNotFoundException, ZenodoAuthenticationException {
+        return fileService.createResource(databaseId, tableId, data, file);
+    }
+
+    @PutMapping("/{fileId}")
+    public FileResponseDto update(@Valid @RequestParam("id") Long databaseId,
+                                  @Valid @RequestParam("tableId") Long tableId,
+                                  @NotBlank @RequestParam("fileId") String fileId) {
+        return null;
+    }
+
+    @DeleteMapping("/{fileId}")
+    public FileResponseDto delete(@Valid @RequestParam("id") Long databaseId,
+                                  @Valid @RequestParam("tableId") Long tableId,
+                                  @NotBlank @RequestParam("fileId") String fileId) {
+        return null;
+    }
 }