diff --git a/.idea/misc.xml b/.idea/misc.xml index 5274667..f6a588b 100644 --- a/.idea/misc.xml +++ b/.idea/misc.xml @@ -8,7 +8,5 @@ - - - + \ No newline at end of file diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..50344d6 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -53,43 +53,52 @@ public class Rational { // TODO: Instance method - this - other // Formula: a/b - c/d = (a*d - c*b) / (b*d) - public Rational subtract(Rational other) { - // YOUR CODE HERE - return null; // Remove this line when implemented + public Rational subtract(Rational other) + { + int newNumerator = this.numerator * other.denominator - other.numerator * this.denominator; + int newDenominator = this.denominator * other.denominator; + return new Rational(newNumerator, newDenominator); } // TODO: Static method - r1 - r2 - public static Rational subtract(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + public static Rational subtract(Rational r1, Rational r2) + { + return r1.subtract(r2); } // TODO: Instance method - this * other // Formula: (a/b) * (c/d) = (a*c) / (b*d) - public Rational multiply(Rational other) { - // YOUR CODE HERE - return null; // Remove this line when implemented + public Rational multiply(Rational other) + { + int newNumerator = this.numerator * other.numerator; + int newDenominator = this.denominator * other.denominator; + return new Rational(newNumerator, newDenominator); } // TODO: Static method - r1 * r2 - public static Rational multiply(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + public static Rational multiply(Rational r1, Rational r2) + { + return r1.multiply(r2); } // TODO: Instance method - this / other // Formula: (a/b) รท (c/d) = (a*d) / (b*c) - public Rational divide(Rational other) { - // YOUR CODE HERE - // HINT: Division is multiplication by reciprocal - // Don't forget to check if other.numerator is zero! - return null; // Remove this line when implemented + public Rational divide(Rational other) + { + if (other.numerator == 0) + { + throw new ArithmeticException("Cannot divide by zero"); + } + + int newNumerator = this.numerator * other.denominator; + int newDenominator = this.denominator * other.numerator; + return new Rational(newNumerator, newDenominator); } // TODO: Static method - r1 / r2 - public static Rational divide(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + public static Rational divide(Rational r1, Rational r2) + { + return r1.divide(r2); } // PROVIDED - String representation diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java index f0e713d..cc62da1 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -7,28 +7,35 @@ public class Main { private static final MovieService movieService = new MovieService(); private static final Scanner scanner = new Scanner(System.in); - public static void main(String[] args) { + public static void main(String[] args) + { System.out.println("\n=== MOVIE API CLIENT ===\n"); boolean running = true; - while (running) { + while (running) + { displayMenu(); int choice = getIntInput("Enter your choice: "); - switch (choice) { + switch (choice) + { case 1: movieService.displayGenres(); break; case 2: // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre() + Long genreId = getLongInput("Enter genre ID: "); + Long page = getLongInput("Enter page number: "); + movieService.displayMoviesByGenre(genreId, page); break; case 3: // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails() - + Long movieId = getLongInput("Enter movie ID: "); + movieService.displayMovieDetails(movieId); break; @@ -42,7 +49,8 @@ public class Main { System.out.println("Invalid choice! Please enter 0-4"); } - if (running) { + if (running) + { System.out.println("\nPress Enter to continue..."); scanner.nextLine(); scanner.nextLine(); @@ -65,7 +73,8 @@ public class Main { private static int getIntInput(String prompt) { System.out.print(prompt); - while (!scanner.hasNextInt()) { + while (!scanner.hasNextInt()) + { System.out.print("Invalid input. " + prompt); scanner.next(); } @@ -74,9 +83,11 @@ public class Main { return input; } - private static Long getLongInput(String prompt) { + private static Long getLongInput(String prompt) + { System.out.print(prompt); - while (!scanner.hasNextLong()) { + while (!scanner.hasNextLong()) + { System.out.print("Invalid input. " + prompt); scanner.next(); } diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 969774a..dd59d13 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -16,9 +16,104 @@ public class Movie { private String imdb_rating; private String country; + public Movie(Long id, String title, List genres, List images, + String year, String imdb_rating, String country) + { + this.id = id; + this.title = title; + this.genres = genres; + this.images = images; + this.year = year; + this.imdb_rating = imdb_rating; + this.country = country; + } + + public Movie(Long id, String title) + { + this.id = id; + this.title = title; + } + + public Movie() {} + + public Long getId() + { + return id; + } + + public void setId(Long id) + { + this.id = id; + } + + public String getTitle() + { + return title; + } + + public void setTitle(String title) + { + this.title = title; + } + + public List getGenres() + { + return genres; + } + + public void setGenres(List genres) + { + this.genres = genres; + } + + public List getImages() + { + return images; + } + + public void setImages(List images) + { + this.images = images; + } + + public String getYear() + { + return year; + } + + public void setYear(String year) + { + this.year = year; + } + + public String getImdb_rating() + { + return imdb_rating; + } + + public void setImdb_rating(String imdb_rating) + { + this.imdb_rating = imdb_rating; + } + + public String getCountry() + { + return country; + } + + public void setCountry(String country) + { + this.country = country; + } + + @Override + public String toString() + { + return title + " (" + year + ") - IMDB: " + imdb_rating; + } +} // TODO: Create a constructor with all fields // TODO: Create a simple constructor with id and title only // TODO: Create getters and setters for all fields -} \ No newline at end of file diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index 3f053f5..437d659 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -102,11 +102,39 @@ public class MovieService { * * 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 void displayMoviesByGenre(Long genreId, Long page) + { + try + { + String json = getMoviesByGenreList(genreId, page); + if (json == null) + { + System.out.println("Failed to load movies"); + return; + } + + JsonObject root = JsonParser.parseString(json).getAsJsonObject(); + + long total = root.get("total").getAsLong(); + long totalPages = root.get("total_pages").getAsLong(); + + JsonArray moviesArray = root.getAsJsonArray("movies"); + + System.out.println("\nMovies for genre " + genreId + " | Page " + page); + System.out.println("----------------------------------------------"); + + for (JsonElement element : moviesArray) { + JsonObject movieObj = element.getAsJsonObject(); + Long id = movieObj.get("id").getAsLong(); + String title = movieObj.get("title").getAsString(); + String year = movieObj.get("year").getAsString(); + + System.out.println("ID: " + id + " | " + title + " (" + year + ")"); + } + + System.out.println("\nTotal Movies: " + total); + System.out.println("Total Pages: " + totalPages); + System.out.println(); } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); @@ -114,25 +142,35 @@ public class MovieService { } + /** * 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(); + 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: " + 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 @@ -170,23 +208,44 @@ public class MovieService { */ - public void displayMovieDetails(Long movieId) { - // Step 1: Get JSON response from API + public void displayMovieDetails(Long movieId) + { 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) { + 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) { + + try + { + JsonObject root = JsonParser.parseString(jsonResponse).getAsJsonObject(); + + Gson gson = new Gson(); + Movie movie = gson.fromJson(root, Movie.class); + + System.out.println("\n======================================================================="); + System.out.println(" " + movie.getTitle() + " (" + movie.getYear() + ")"); + System.out.println("======================================================================="); + + System.out.println("Rating: " + movie.getImdb_rating()); + System.out.println("Country: " + movie.getCountry()); + System.out.println("Year: " + movie.getYear()); + + if (movie.getGenres() != null) + System.out.println("Genres: " + String.join(", ", movie.getGenres())); + + System.out.println("\n======================================================================="); + System.out.println(); + + } + catch (Exception e) + { System.err.println("ERROR parsing movie details: " + e.getMessage()); } } + + + } \ No newline at end of file