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feat: Implemented Web API using REST - LJ Lesson 26 #655

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feat: Implemented Web API using REST - LJ Lesson 26 #655

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61 changes: 57 additions & 4 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
@@ -1,16 +1,27 @@
package com.codedifferently.lesson26.web;

import com.codedifferently.lesson26.library.Librarian;
import com.codedifferently.lesson26.library.Library;
import com.codedifferently.lesson26.library.MediaItem;
import com.codedifferently.lesson26.library.search.SearchCriteria;
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.RestController;

import com.codedifferently.lesson26.library.Librarian;
import com.codedifferently.lesson26.library.Library;
import com.codedifferently.lesson26.library.MediaItem;
import com.codedifferently.lesson26.library.search.SearchCriteria;

import io.swagger.v3.oas.annotations.parameters.RequestBody;
import jakarta.validation.Valid;


@RestController
@CrossOrigin
public class MediaItemsController {
Expand All @@ -26,7 +37,49 @@ public MediaItemsController(Library library) throws IOException {
public GetMediaItemsResponse getItems() {
Set<MediaItem> items = library.search(SearchCriteria.builder().build());
List<MediaItemResponse> responseItems = items.stream().map(MediaItemResponse::from).toList();

var response = GetMediaItemsResponse.builder().items(responseItems).build();
return response;
}

@GetMapping("/items/{id}")
public ResponseEntity<MediaItemResponse> getItem(@PathVariable("id") UUID id) {
SearchCriteria searchCriteria = SearchCriteria.builder().id(id.toString()).build();

Set<MediaItem> foundItem = library.search(searchCriteria);

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

MediaItem item = foundItem.iterator().next();
MediaItemResponse response = MediaItemResponse.from(item);

return ResponseEntity.ok(response);
}

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

Set<MediaItem> foundItem = library.search(searchCriteria);

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

MediaItem item = foundItem.iterator().next();
library.removeMediaItem(item, librarian);
return ResponseEntity.noContent().build();
}

@PostMapping("/items")
public CreateMediaItemResponse addsItem(@Valid @RequestBody CreateMediaItemRequest request) {
MediaItemRequest itemRequest = request.getItem();
MediaItem item = MediaItemRequest.asMediaItem(itemRequest);
library.addMediaItem(item, librarian);

CreateMediaItemResponse res = CreateMediaItemResponse.builder().item(getItem(item.getId()).getBody()).build();
return res;
}
}
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