From 83f631bc430b6e9a039dba0f756c846d9823df44 Mon Sep 17 00:00:00 2001 From: Faraz Ardeh Date: Tue, 16 Jun 2026 16:42:24 +0330 Subject: [PATCH] Complete Home Work 3 --- pom.xml | 4 +- src/main/java/Rational/Rational.java | 29 ++-- src/main/java/movie/apis/Main.java | 10 +- src/main/java/movie/apis/Movie.java | 190 ++++++++++++++++++++- src/main/java/movie/apis/MovieService.java | 57 +++++-- 5 files changed, 252 insertions(+), 38 deletions(-) diff --git a/pom.xml b/pom.xml index 111501f..8ed2bb9 100644 --- a/pom.xml +++ b/pom.xml @@ -9,8 +9,8 @@ 1.0-SNAPSHOT - 23 - 23 + 21 + 21 UTF-8 diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..b1f44d4 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -54,42 +54,43 @@ 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 + 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.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 + 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..af511c7 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -21,15 +21,15 @@ 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: diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 969774a..6b82baf 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -4,7 +4,8 @@ import java.util.List; /** * Model class representing a movie - * Fields: id, title, genres, images + * Fields: id, title, genres, images, year, imdb_rating, country + * Bonus fields: actors, awards, director, imdb_id, imdb_votes, metascore, plot, rated, released, runtime, type, writer */ public class Movie { @@ -16,9 +17,188 @@ public class Movie { private String imdb_rating; private String country; - // TODO: Create a constructor with all fields + // Bonus fields + 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 simple constructor with id and title only + // Constructor with all fields + 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; + } - // TODO: Create getters and setters for all fields -} \ No newline at end of file + // Simple constructor with id and title only + public Movie(Long id, String title) { + this.id = id; + this.title = title; + } + + // 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; + } +} diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index 3f053f5..0cc60d1 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -106,7 +106,29 @@ 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) { + System.out.println("Failed to get movies for genre ID: " + genreId); + return; + } + + JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + JsonArray moviesArray = rootObject.getAsJsonArray("movies"); + int total = rootObject.get("total").getAsInt(); + int totalPages = rootObject.get("total_pages").getAsInt(); + + System.out.println("\nMovies (Page " + page + " of " + totalPages + ", Total: " + total + "):"); + System.out.println("---------------------------------------"); + + for (JsonElement element : moviesArray) { + JsonObject movieObject = element.getAsJsonObject(); + Long id = movieObject.get("id").getAsLong(); + String title = movieObject.get("title").getAsString(); + String year = movieObject.has("year") ? movieObject.get("year").getAsString() : "N/A"; + System.out.println("ID: " + id + " | " + title + " (" + year + ")"); + } + System.out.println(); } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); @@ -120,13 +142,10 @@ public class MovieService { */ 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()); } @@ -181,10 +200,24 @@ public class MovieService { return; } try { - // TODO: Parse jsonResponse to JsonObject - // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject() - // TODO: use Gson to parse the json - // Your code here: + Gson gson = new Gson(); + Movie movie = gson.fromJson(jsonResponse, Movie.class); + + String header = movie.getTitle().toUpperCase() + " (" + movie.getYear() + ")"; + String genres = (movie.getGenres() != null) ? String.join(", ", movie.getGenres()) : "N/A"; + + System.out.println(" ======================================================================="); + System.out.println(" " + header); + 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: " + genres); + 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()); }