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feat: implements MediaItemController API methods #632

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feat: implements MediaItemController API methods #632

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a753265
feat: adds getItemById & postItem methods
TatsuyaRyujin May 8, 2025
90a841d
feat: adds deleteItem method
TatsuyaRyujin May 8, 2025
cb70fce
Merge branch 'code-differently:main' into feat/lesson_26
TatsuyaRyujin May 8, 2025
cf93882
fix: changed RequestBody import from swagger to spring
TatsuyaRyujin May 9, 2025
5339835
fix: resolves 200!=404 error from getItemsById
TatsuyaRyujin May 9, 2025
39380da
fix: add @Valid annotation to fix NullPointerException on request
VicenteVigueras May 31, 2025
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50 changes: 50 additions & 0 deletions ...api/java/api_app/src/main/java/com/codedifferently/lesson26/web/MediaItemsController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,20 @@
import com.codedifferently.lesson26.library.Librarian;
import com.codedifferently.lesson26.library.Library;
import com.codedifferently.lesson26.library.MediaItem;
import com.codedifferently.lesson26.library.exceptions.MediaItemCheckedOutException;
import com.codedifferently.lesson26.library.search.SearchCriteria;
import jakarta.validation.Valid;
import java.io.IOException;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
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.RestController;

@RestController
Expand All @@ -31,4 +38,47 @@ public ResponseEntity<GetMediaItemsResponse> getItems() {
var response = GetMediaItemsResponse.builder().items(responseItems).build();
return ResponseEntity.ok(response);
}

@GetMapping("/items/{id}")
public ResponseEntity<MediaItemResponse> getItemsById(@Valid @PathVariable("id") UUID id) {
Set<MediaItem> items = library.search(SearchCriteria.builder().id(id.toString()).build());

if (items.isEmpty()) {
return ResponseEntity.notFound().build();
}

MediaItem item = items.iterator().next();
return ResponseEntity.ok(MediaItemResponse.from(item));
}

@PostMapping("/items")
public ResponseEntity<CreateMediaItemResponse> postItem(
@Valid @RequestBody CreateMediaItemRequest request) {
MediaItem newItem = MediaItemRequest.asMediaItem(request.getItem());

library.addMediaItem(newItem, librarian);

MediaItemResponse itemResponse = MediaItemResponse.from(newItem);
CreateMediaItemResponse response = CreateMediaItemResponse.builder().item(itemResponse).build();

return ResponseEntity.ok(response);
}

@DeleteMapping("/items/{id}")
public ResponseEntity<Void> deleteItem(@PathVariable("id") UUID id) {
Set<MediaItem> items = library.search(SearchCriteria.builder().id(id.toString()).build());

if (items.isEmpty()) {
return ResponseEntity.notFound().build();
}

MediaItem itemToDelete = items.iterator().next();

try {
library.removeMediaItem(itemToDelete, librarian);
return ResponseEntity.noContent().build();
} catch (MediaItemCheckedOutException e) {
return ResponseEntity.badRequest().build();
}
}
}