diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..02416f9 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -39,57 +39,58 @@ public class Rational { } } - // COMPLETED - Instance method: this + other + public Rational add(Rational other) { int newNumerator = this.numerator * other.denominator + other.numerator * this.denominator; int newDenominator = this.denominator * other.denominator; return new Rational(newNumerator, newDenominator); } - // COMPLETED - Static method: r1 + r2 + public static Rational add(Rational r1, Rational r2) { return r1.add(r2); } - // 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 + 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 + 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 + 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 + 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 + if (other.denominator == 0) { + throw new IllegalArgumentException("Denominator cannot be 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 + 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..02a809e 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -21,15 +21,20 @@ public class Main { break; case 2: - // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre() - + System.out.print("Enter genre id: "); + long genreId = scanner.nextLong(); + System.out.print("Enter page: "); + long page = scanner.nextLong(); + scanner.nextLine(); + movieService.displayMoviesByGenre(genreId, page); break; case 3: - // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails() - - + System.out.print("Enter movie id: "); + long movieId = scanner.nextLong(); + scanner.nextLine(); + movieService.displayMovieDetails(movieId); break; case 0: @@ -39,13 +44,13 @@ public class Main { break; default: - System.out.println("Invalid choice! Please enter 0-4"); + System.out.println("Invalid choice! Please enter 0-3"); } if (running) { System.out.println("\nPress Enter to continue..."); scanner.nextLine(); - scanner.nextLine(); + //scanner.nextLine(); } } diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 969774a..14407b3 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -15,10 +15,195 @@ public class Movie { private String year; private String imdb_rating; private String country; + private String actors; + private String awards; + private String director; + private String imdb_id; + private String imdb_votes; + private String metascore; + private String plot; + private String rated; + private String released; + private String runtime; + private String type; + private String writer; - // TODO: Create a constructor with all fields + public Movie(Long id, String title, List genres, List images, String year, String imdb_rating, String country, String actors, String awards, String director, String imdb_id, String imdb_votes, String metascore, String plot, String rated, String released, String runtime, String type, String writer) { + this.id = id; + this.title = title; + this.genres = genres; + this.images = images; + this.year = year; + this.imdb_rating = imdb_rating; + this.country = country; + this.actors = actors; + this.awards = awards; + this.director = director; + this.imdb_id = imdb_id; + this.imdb_votes = imdb_votes; + this.metascore = metascore; + this.plot = plot; + this.rated = rated; + this.released = released; + this.runtime = runtime; + this.type = type; + this.writer = writer; + } - // TODO: Create a simple constructor with id and title only + public Movie(Long id, String title) { + this.id = id; + this.title = title; + } - // TODO: Create getters and setters for all fields + 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; + } + + public String getActors() { + return actors; + } + + public void setActors(String actors) { + this.actors = actors; + } + + public String getAwards() { + return awards; + } + + public void setAwards(String awards) { + this.awards = awards; + } + + public String getDirector() { + return director; + } + + public void setDirector(String director) { + this.director = director; + } + + public String getImdb_id() { + return imdb_id; + } + + public void setImdb_id(String imdb_id) { + this.imdb_id = imdb_id; + } + + public String getImdb_votes() { + return imdb_votes; + } + + public void setImdb_votes(String imdb_votes) { + this.imdb_votes = imdb_votes; + } + + public String getMetascore() { + return metascore; + } + + public void setMetascore(String metascore) { + this.metascore = metascore; + } + + public String getPlot() { + return plot; + } + + public void setPlot(String plot) { + this.plot = plot; + } + + public String getRated() { + return rated; + } + + public void setRated(String rated) { + this.rated = rated; + } + + public String getReleased() { + return released; + } + + public void setReleased(String released) { + this.released = released; + } + + public String getRuntime() { + return runtime; + } + + public void setRuntime(String runtime) { + this.runtime = runtime; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + + public String getWriter() { + return writer; + } + + public void setWriter(String writer) { + this.writer = writer; + } } \ 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..612d432 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -87,26 +87,28 @@ 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 + String jsonResponse = getMoviesByGenreList(genreId, page); + if (jsonResponse == null) {return;} + + JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + + JsonArray moviesArray = rootObject.getAsJsonArray("movies"); + + if (moviesArray == null || moviesArray.size() == 0) { + System.out.println("No movies found for this genre/page."); + return; + } + + for (int i = 0; i < moviesArray.size(); i++) { + JsonObject m = moviesArray.get(i).getAsJsonObject(); + System.out.println("ID: " + m.get("id").getAsLong() + " | " + m.get("title").getAsString() + " (" + m.get("year").getAsString() + ")"); + } + + System.out.println("Total Movies: " + rootObject.get("total").getAsString()); + System.out.println("Total Pages: " + rootObject.get("total_pages").getAsString()); } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); @@ -114,44 +116,21 @@ 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(); - - 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(); + } } 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: ======================================================================= @@ -171,20 +150,35 @@ public class MovieService { */ 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: + JsonObject movieJson = JsonParser.parseString(jsonResponse).getAsJsonObject(); + + Gson gson = new Gson(); + Movie movie = gson.fromJson(movieJson, Movie.class); + + String genreString = (movie.getGenres() != null) ? String.join(", ", movie.getGenres()) : "N/A"; + + System.out.println("\n======================================================================="); + System.out.println(" " + movie.getTitle().toUpperCase() + " (" + movie.getYear() + ")"); + System.out.println("======================================================================="); + System.out.println("Rating: " + movie.getImdb_rating() + "/10 | Votes: " + movie.getImdb_votes()); + System.out.println("Director: " + movie.getDirector()); + System.out.println("Cast: " + movie.getActors()); + System.out.println("Genre: " + genreString); + System.out.println("Runtime: " + movie.getRuntime() + " | Rated: " + movie.getRated()); + System.out.println("Country: " + movie.getCountry() + " | Released: " + movie.getReleased()); + System.out.println("Plot: " + movie.getPlot()); + System.out.println("Awards: " + movie.getAwards()); + System.out.println("======================================================================="); + } catch (Exception e) { System.err.println("ERROR parsing movie details: " + e.getMessage()); }