diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index 3f053f5..b225804 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -11,6 +11,8 @@ import java.net.http.HttpResponse; import java.lang.reflect.Type; import java.util.ArrayList; import java.util.List; +import java.util.Scanner; +import java.util.InputMismatchException; public class MovieService { @@ -87,105 +89,257 @@ public class MovieService { } } - /** - * TODO 1: Display movies for a specific genre and page - * - * Open this link in your browser (and check Pretty-print checkbox) to view json format: - * https://api.meshcomp.ir/api/v1/genres/1/movies - * - * Steps: - * - Call getMoviesByGenreList(genreId, page) to get JSON - * - Parse JSON to JsonObject - * - Get "movies" array (NOT "data") - * - Loop through array and print: "ID: {id} | {title} ({year})" - * - Also print total and total_pages - * - * PUT ALL PARSING CODE INSIDE try-catch - */ - public void displayMoviesByGenre(Long genreId, Long page) { - // TODO: Write your code here - // All parsing code must be inside try-catch - try { - // Your code here + public List parseMoviesFromJson(String json) + { + if (json == null || json.isEmpty()) + { + return new ArrayList<>(); + } + Gson gson = new Gson(); + Type listType = new TypeToken>() {}.getType(); + return gson.fromJson(json, listType); + } - } catch (Exception e) { - System.err.println("ERROR: " + e.getMessage()); + + public void displayListOfMovies() + { + Scanner scanner = new Scanner(System.in); + Long selectedGenreId = null; + System.out.println("---Select a genre---"); + displayGenres(); + System.out.println("Enter the genre ID to view movies or 0 to exit: "); + try + { + if (scanner.hasNextLong()) + { + selectedGenreId = scanner.nextLong(); + } + else + { + System.out.println("Invalid! Enter a number."); + return; + } + } + catch (InputMismatchException e) + { + System.out.println("Invalid input. Please enter a number."); + scanner.next(); + return; + } + + if (selectedGenreId == 0) + { + return; + } + + System.out.println("----Movies for genre ID: " + selectedGenreId + "----"); + Long page = 1L; + try + { + String json = getMoviesByGenreList(selectedGenreId, page); + if (json == null || json.isEmpty()) + { + System.out.println("No movies found."); + return; + } + JsonObject rootObject = JsonParser.parseString(json).getAsJsonObject(); + JsonArray moviesArray = rootObject.getAsJsonArray("movies"); + if (moviesArray == null || moviesArray.isEmpty()) + { + System.out.println("No movies found."); + return; + } + Gson gson = new Gson(); + Type listType = new TypeToken>() {}.getType(); + List movies = gson.fromJson(moviesArray, listType); + + if (movies != null && !movies.isEmpty()) + { + for (Movie movie : movies) + { + System.out.println("ID: " + movie.getId() + " | " + movie.getTitle() + " (" + movie.getYear() + ")"); + } + } + else + { + System.out.println("No movies found for this genre."); + } + } + catch (Exception e) + { + System.err.println("ERROR displaying movies: " + e.getMessage()); + e.printStackTrace(); + } + } + + public void displayMoviesByGenre(Long genreId, Long page) { + try + { + String json = getMoviesByGenreList(genreId, page); + JsonObject rootObject = JsonParser.parseString(json).getAsJsonObject(); + JsonArray moviesArray = rootObject.getAsJsonArray("movies"); + if (moviesArray == null || moviesArray.isEmpty()) + { + System.out.println("No movies found for this genre/page."); + return; + } + Gson gson = new Gson(); + Type listType = new TypeToken>() {}.getType(); + List movies = gson.fromJson(moviesArray, listType); + if (rootObject.has("total")) + { + int total = rootObject.get("total").getAsInt(); + System.out.println("Total movies: " + total); + } + if (rootObject.has("total_pages")) + { + int totalPages = rootObject.get("total_pages").getAsInt(); + System.out.println("Total pages: " + totalPages); + } + + System.out.println("\n===================="); + for (Movie movie: movies) + { + System.out.println("ID: " + movie.getId() + " | " + movie.getTitle() + " (" + movie.getYear() + ")"); + } + System.out.println("--------------------\n"); + } + catch (Exception e) + { + System.err.println("ERROR parsing movie list: " + e.getMessage()); + e.printStackTrace(); } } - /** - * BONUS: Fetch movie details from API using movie ID - * URL format: https://api.meshcomp.ir/api/v1/movies/{movieId} - */ private String getMovieById(Long movieId) { try { - // TODO: Complete this method - // String url = MOVIE_BY_ID_URL + movieId; - // HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build(); - // HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString()); - // if (response.statusCode() == 200) return response.body(); - - return null; + String url = MOVIE_BY_ID_URL + movieId; + HttpRequest request = HttpRequest.newBuilder() + .uri(URI.create(url)) + .build(); + HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString()); + if (response.statusCode() == 200) { + return response.body(); + } else + { + System.out.println("HTTP error code for movie ID " + movieId + ": " + response.statusCode()); + return null; + } } catch (Exception e) { System.out.println("!!Exception : " + e.getMessage()); } return null; } - /* - BONUS TODO: Display complete movie details for a given movie ID - - Open this link in your browser (and check Pretty-print checkbox) to view json format: - https://api.meshcomp.ir/api/v1/movies/1 - - INSTRUCTIONS: - 1. Call getMovieById(movieId) to get the JSON response string - 2. Check if response is null (if yes, print error and return) - 3. Parse the JSON string to JsonObject (inside try-catch) - 4. Use Gson to extract all fields from the JSON and map them to your Movie class: - - Add missing JSON fields to your Movie class first (actors, awards, director, - imdb_id, imdb_votes, metascore, plot, rated, released, runtime, type, writer) - - Then use Gson to parse your json string - 5. Print all movie details in a readable format - - (PUT ALL PARSING CODE INSIDE THE EXISTING try-catch) - */ - - /* EXAMPLE OUTPUT: - - ======================================================================= - THE SHAWSHANK REDEMPTION (1994) - ======================================================================= - Rating: 9.3/10 | Votes: 1,738,596 - Director: Frank Darabont - Cast: Tim Robbins, Morgan Freeman, Bob Gunton, William Sadler - Genre: Crime, Drama - Runtime: 142 min | Rated: R - Country: USA | Released: 14 Oct 1994 - Plot: Two imprisoned men bond over a number of years, finding - solace and eventual redemption through acts of common decency. - Awards: Nominated for 7 Oscars. Another 19 wins & 30 nominations. - ======================================================================= - - */ public void displayMovieDetails(Long movieId) { - // Step 1: Get JSON response from API String jsonResponse = getMovieById(movieId); - // Step 2: Check if we got valid data - // Step 3-5: Parse JSON and display details (PUT YOUR CODE INSIDE try-catch) if (jsonResponse == null) { System.out.println("Failed to get movie details for ID: " + movieId); return; } try { - // TODO: Parse jsonResponse to JsonObject - // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject() - // TODO: use Gson to parse the json - // Your code here: - } catch (Exception e) { + JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + + Movie movie; + if (rootObject.has("movie")) + { + String movieJson = rootObject.get("movie").toString(); + movie = new Gson().fromJson(movieJson, Movie.class); + } else + { + movie = new Gson().fromJson(jsonResponse, Movie.class); + } + + if (movie == null) + { + System.err.println("Error: Movie object could not be parsed."); + return; + } + + int width = 60; + String title = (movie.getTitle() != null ? movie.getTitle() : "Unknown Title"); + String year = (movie.getYear() != null ? movie.getYear() : ""); + String titleYear = title + (year.isEmpty() ? "" : " (" + year + ")"); + + if (titleYear.length() > width) { + width = titleYear.length() + 10; + } + + int totalPadding = width - titleYear.length(); + int leftPadding = totalPadding / 2; + int rightPadding = totalPadding - leftPadding; + + String centeredTitle = " ".repeat(leftPadding) + titleYear.toUpperCase() + " ".repeat(rightPadding); + + System.out.println("============================================================="); + System.out.println(centeredTitle); + System.out.println("============================================================="); + if (movie.getImdb_rating() != null && !movie.getImdb_rating().isEmpty()) + { + try + { + double rating = Double.parseDouble(movie.getImdb_rating()); + System.out.printf("Rating: %.1f/10", rating); + + if (movie.getImdb_votes() != null && !movie.getImdb_votes().isEmpty()) + { + String votesStr = movie.getImdb_votes().replace(",", ""); + long votes = Long.parseLong(votesStr); + System.out.printf(" | Votes: %,d%n", votes); + } else + { + System.out.println(); + } + } catch (NumberFormatException e) + { + System.out.println("Rating: " + movie.getImdb_rating() + " (Format Error)"); + } + } else + { + System.out.println("Rating: N/A"); + } + if (movie.getDirector() != null) + { + System.out.println("Director: " + movie.getDirector()); + } + if (movie.getActors() != null) + { + System.out.println("Cast: " + movie.getActors()); + } + if (movie.getGenres() != null && !movie.getGenres().isEmpty()) + { + String genresStr = String.join(" , ", movie.getGenres()); + System.out.println("Genre: " + genresStr); + } else + { + System.out.println("Genre: N/A"); + } + if (movie.getRuntime() != null) + { + System.out.println("Runtime: " + movie.getRuntime() + " | Rated: " + movie.getRated()); + } + if (movie.getCountry() != null) + { + System.out.println("Country: " + movie.getCountry() + " | Released: " + movie.getReleased()); + } + if (movie.getPlot() != null) + { + System.out.println("Plot: " + movie.getPlot()); + } + if (movie.getAwards() != null) + { + System.out.println("Awards: " + movie.getAwards()); + } + + + + System.out.println("======================================================================="); + + } catch (Exception e) + { System.err.println("ERROR parsing movie details: " + e.getMessage()); } }