From 70e730d708a2fa1bb3180ca3c96e29f89f863afc Mon Sep 17 00:00:00 2001 From: SoroushZ Date: Fri, 1 May 2026 21:27:42 +0330 Subject: [PATCH] Completed --- src/main/java/Rational/Rational.java | 42 +++++---- src/main/java/movie/apis/Main.java | 11 ++- src/main/java/movie/apis/Movie.java | 99 +++++++++++++++++++++- src/main/java/movie/apis/MovieService.java | 76 +++++++++++++---- 4 files changed, 189 insertions(+), 39 deletions(-) diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..1341cc3 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -48,48 +48,60 @@ public class Rational { // COMPLETED - Static method: r1 + r2 public static Rational add(Rational r1, Rational r2) { - return r1.add(r2); + int newNumerator = r1.numerator * r2.denominator + r2.numerator * r1.denominator; + int newDenominator = r1.denominator * r2.denominator; + return new Rational(newNumerator, newDenominator); } // 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 + int newNumerator = r1.numerator * r2.denominator - r2.numerator * r1.denominator; + int newDenominator = r1.denominator * r2.denominator; + return new Rational(newNumerator, newDenominator); } // 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 + int newNumerator = r1.numerator * r2.numerator; + int newDenominator = r1.denominator * r2.denominator; + return new Rational(newNumerator, newDenominator); } // 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.numerator == 0) { + throw new IllegalArgumentException("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 + if (r2.numerator == 0) { + throw new IllegalArgumentException("Cannot divide by zero."); + } + int newNumerator = r1.numerator * r2.denominator; + int newDenominator = r1.denominator * r2.numerator; + return new Rational(newNumerator, newDenominator); } // PROVIDED - String representation diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java index f0e713d..241778f 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -21,21 +21,20 @@ public class Main { 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; case 0: running = false; System.out.println("Goodbye!"); - break; default: diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 969774a..01942ac 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -15,10 +15,107 @@ public class Movie { private String year; private String imdb_rating; private String country; +// Bonus + 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 - // TODO: Create a simple constructor with id and title only + 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; } + + //Bonus + + 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..8b54862 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -106,7 +106,24 @@ public class MovieService { // 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) { + Gson gson = new Gson(); + JsonObject jsonObject = gson.fromJson(jsonResponse, JsonObject.class); + + int total = jsonObject.get("total").getAsInt(); + int totalPages = jsonObject.get("total_pages").getAsInt(); + System.out.println("Total Movies: " + total + " | Total Pages: " + totalPages); + System.out.println("--------------------------------------------------"); + + JsonArray moviesArray = jsonObject.getAsJsonArray("movies"); + + for (JsonElement element : moviesArray) { + Movie movie = gson.fromJson(element, Movie.class); + System.out.println("ID: " + movie.getId() + " | " + movie.getTitle() + " (" + movie.getYear() + ")"); + } + } } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); @@ -118,18 +135,25 @@ 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(); + public String getMovieById(Long movieId) { + String url = MOVIE_BY_ID_URL + movieId; - return null; + HttpRequest request = HttpRequest.newBuilder() + .uri(URI.create(url)) + .GET() + .build(); + + try { + HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString()); + if (response.statusCode() == 200) { + return response.body(); + } else { + System.out.println("Failed to fetch movie details. HTTP Status: " + response.statusCode()); + } } catch (Exception e) { - System.out.println("!!Exception : " + e.getMessage()); + System.out.println("Error getting movie by ID: " + e.getMessage()); } + return null; } @@ -171,20 +195,38 @@ public class MovieService { */ public void displayMovieDetails(Long movieId) { - // Step 1: Get JSON response from API + System.out.println("Fetching details for movie ID " + 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) { 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 jsonObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + Gson gson = new Gson(); + Movie movie = gson.fromJson(jsonObject, Movie.class); + + System.out.println("\n===================================="); + System.out.println("Title: " + movie.getTitle()); + System.out.println("Year: " + movie.getYear()); + System.out.println("Rated: " + movie.getRated()); + System.out.println("Released: " + movie.getReleased()); + System.out.println("Runtime: " + movie.getRuntime()); + System.out.println("Genres: " + (movie.getGenres() != null ? String.join(", ", movie.getGenres()) : "N/A")); + System.out.println("Director: " + movie.getDirector()); + System.out.println("Writer: " + movie.getWriter()); + System.out.println("Actors: " + movie.getActors()); + System.out.println("Plot: " + movie.getPlot()); + System.out.println("Country: " + movie.getCountry()); + System.out.println("Awards: " + movie.getAwards()); + System.out.println("IMDB Rating: " + movie.getImdb_rating() + " (Votes: " + movie.getImdb_votes() + ")"); + System.out.println("Metascore: " + movie.getMetascore()); + System.out.println("Type: " + movie.getType()); + System.out.println("====================================\n"); + } catch (Exception e) { System.err.println("ERROR parsing movie details: " + e.getMessage()); }