Feat:lesson_23/tb

lesson_23/api/java/api_app/src/main/java/com/codedifferently/lesson23/Lesson23.java

@@ -1,12 +1,13 @@
 package com.codedifferently.lesson23;
 
-import com.codedifferently.lesson23.cli.LibraryApp;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Configuration;
 
+import com.codedifferently.lesson23.cli.LibraryApp;
+
 @Configuration
 @SpringBootApplication(scanBasePackages = "com.codedifferently")
 public class Lesson23 implements CommandLineRunner {

lesson_23/api/java/api_app/src/main/java/com/codedifferently/lesson23/web/MediaItemsController.java

@@ -1,17 +1,28 @@
 package com.codedifferently.lesson23.web;
 
-import com.codedifferently.lesson23.library.Librarian;
-import com.codedifferently.lesson23.library.Library;
-import com.codedifferently.lesson23.library.MediaItem;
-import com.codedifferently.lesson23.library.search.SearchCriteria;
 import java.io.IOException;
 import java.util.List;
 import java.util.Set;
+import java.util.UUID;
+
+import org.springframework.http.HttpStatus;
 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;
 
+import com.codedifferently.lesson23.library.Librarian;
+import com.codedifferently.lesson23.library.Library;
+import com.codedifferently.lesson23.library.MediaItem;
+import com.codedifferently.lesson23.library.exceptions.MediaItemCheckedOutException;
+import com.codedifferently.lesson23.library.search.SearchCriteria;
+
+import jakarta.validation.Valid;
+
 @RestController
 @CrossOrigin
 public class MediaItemsController {
@@ -31,4 +42,56 @@ public ResponseEntity<GetMediaItemsResponse> getItems() {
     var response = GetMediaItemsResponse.builder().items(responseItems).build();
     return ResponseEntity.ok(response);
   }
+
+  @PostMapping("/items")
+  public ResponseEntity<CreateMediaItemResponse> createItem(
+      @Valid @RequestBody CreateMediaItemRequest request) {
+    try {
+      MediaItem newItem = MediaItemRequest.asMediaItem(request.getItem());
+      library.addMediaItem(newItem, librarian);
+
+      MediaItemResponse responseItem = MediaItemResponse.from(newItem);
+      var response = CreateMediaItemResponse.builder().item(responseItem).build();
+      return ResponseEntity.status(HttpStatus.CREATED).body(response);
+    } catch (IllegalArgumentException e) {
+      return ResponseEntity.badRequest().build();
+    } catch (Exception e) {
+      return ResponseEntity.internalServerError().build();
+    }
+  }
+
+  @GetMapping("/items/{id}")
+  public ResponseEntity<MediaItemResponse> getItem(@PathVariable UUID id) {
+    if (!library.hasMediaItem(id)) {
+      return ResponseEntity.notFound().build();
+    }
+
+    // Search for the specific item by ID
+    Set<MediaItem> items = library.search(SearchCriteria.builder().id(id.toString()).build());
+    MediaItem item = items.stream().findFirst().orElse(null);
+
+    if (item == null) {
+      return ResponseEntity.notFound().build();
+    }
+
+    MediaItemResponse response = MediaItemResponse.from(item);
+    return ResponseEntity.ok(response);
+  }
+
+  @DeleteMapping("/items/{id}")
+  public ResponseEntity<Void> deleteItem(@PathVariable UUID id) {
+    try {
+      if (!library.hasMediaItem(id)) {
+        return ResponseEntity.notFound().build();
+      }
+
+      library.removeMediaItem(id, librarian);
+      return ResponseEntity.noContent().build();
+    } catch (MediaItemCheckedOutException e) {
+      // Item is checked out and cannot be deleted
+      return ResponseEntity.status(HttpStatus.CONFLICT).build();
+    } catch (Exception e) {
+      return ResponseEntity.internalServerError().build();
+    }
+  }
 }