fix: added implementations

src/main/java/Rational/Rational.java

@@ -1,108 +1,127 @@
 package Rational;
 
-public class Rational {
+public class Rational
+{
     private int numerator;
     private int denominator;
 
     // Constructor
-    public Rational(int numerator, int denominator) {
-        if (denominator == 0) {
+    public Rational(int numerator, int denominator)
+    {
+        if (denominator == 0)
             throw new IllegalArgumentException("Denominator cannot be zero");
-        }
+
         this.numerator = numerator;
         this.denominator = denominator;
         simplify();
     }
 
     // GCD helper for simplification
-    private int gcd(int a, int b) {
+    private int gcd(int a, int b)
+    {
         a = Math.abs(a);
         b = Math.abs(b);
-        while (b != 0) {
+
+        while (b != 0)
+        {
             int temp = b;
             b = a % b;
             a = temp;
         }
+
         return a;
     }
 
     // Simplify the fraction
-    private void simplify() {
+    private void simplify()
+    {
         int gcd = gcd(numerator, denominator);
         numerator /= gcd;
         denominator /= gcd;
 
         // Keep denominator positive
-        if (denominator < 0) {
+        if (denominator < 0)
+        {
             numerator = -numerator;
             denominator = -denominator;
         }
     }
 
     //  COMPLETED - Instance method: this + other
-    public Rational add(Rational 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) {
+    public static Rational add(Rational r1, Rational r2)
+    {
         return r1.add(r2);
     }
 
-    // TODO: Instance method - this - other
+    // 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
+    // Static method - r1 - r2
+    public static Rational subtract(Rational r1, Rational r2)
+    {
+        return r1.subtract(r2);
     }
 
-    // TODO: Instance method - this * other
+    // 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
+    // Static method - r1 * r2
+    public static Rational multiply(Rational r1, Rational r2)
+    {
+        return r1.multiply(r2);
     }
 
-    // TODO: Instance method - this / other
+    // Instance method - this / other
     // Formula: (a/b) ÷ (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
+    // Static method - r1 / r2
+    public static Rational divide(Rational r1, Rational r2)
+    {
+        return r1.divide(r2);
     }
 
     //  PROVIDED - String representation
     @Override
-    public String toString() {
-        if (denominator == 1) {
+    public String toString()
+    {
+        if (denominator == 1)
             return numerator + "";
-        }
+
         return numerator + "/" + denominator;
     }
 
     //  PROVIDED - Decimal value
-    public double toDouble() {
+    public double toDouble()
+    {
         return (double) numerator / denominator;
     }
 }

src/main/java/movie/apis/Genre.java

@@ -1,35 +1,41 @@
 package movie.apis;
 
-public class Genre {
+public class Genre
+{
     private Long id;
     private String name;
 
-    public Genre(Long id, String name) {
+    public Genre(Long id, String name)
+    {
         this.id = id;
         this.name = name;
     }
 
-    public Genre() {
-    }
+    public Genre() {}
 
-    public Long getId() {
+    public Long getId()
+    {
         return id;
     }
 
-    public void setId(Long id) {
+    public void setId(Long id)
+    {
         this.id = id;
     }
 
-    public String getName() {
+    public String getName()
+    {
         return name;
     }
 
-    public void setName(String name) {
+    public void setName(String name)
+    {
         this.name = name;
     }
 
     @Override
-    public String toString() {
+    public String toString()
+    {
         return id + ". " + name;
     }
 }

src/main/java/movie/apis/Main.java

@@ -2,57 +2,70 @@ package movie.apis;
 
 import java.util.Scanner;
 
-public class Main {
-
+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 PageNumber = getLongInput("Enter page number: ");
 
+                    movieService.displayMoviesByGenre(GenreId, PageNumber);
                     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:
                     System.out.println("Invalid choice! Please enter 0-4");
             }
 
-            if (running) {
+            if (running)
+            {
                 System.out.println("\nPress Enter to continue...");
                 scanner.nextLine();
-                scanner.nextLine();
             }
         }
 
         scanner.close();
     }
 
-    private static void displayMenu() {
+    private static void displayMenu()
+    {
         System.out.println("\n================================");
         System.out.println("            MENU");
         System.out.println("================================");
@@ -63,7 +76,8 @@ public class Main {
         System.out.println("================================");
     }
 
-    private static int getIntInput(String prompt) {
+    private static int getIntInput(String prompt)
+    {
         System.out.print(prompt);
         while (!scanner.hasNextInt()) {
             System.out.print("Invalid input. " + prompt);
@@ -74,7 +88,8 @@ public class Main {
         return input;
     }
 
-    private static Long getLongInput(String prompt) {
+    private static Long getLongInput(String prompt)
+    {
         System.out.print(prompt);
         while (!scanner.hasNextLong()) {
             System.out.print("Invalid input. " + prompt);

src/main/java/movie/apis/Movie.java

@@ -6,19 +6,292 @@ import java.util.List;
  * Model class representing a movie
  * Fields: id, title, genres, images
  */
-public class Movie {
-
+public class Movie
+{
     private Long id;
     private String title;
-    private List<Genre> genres;
-    private String images;
     private String year;
-    private String imdbRating;
+    private String imdb_id;
+    private String imdb_rating;
+    private String metascore;
+    private String imdb_votes; // Moved closer to ratings
+    private String poster;
+    private List<String> images;
+    private String plot;
+    private List<String> genres;
+    private String director;
+    private String writer;
+    private String actors;
     private String country;
+    private String released;
+    private String runtime;
+    private String rated;
+    private String awards;
+    private String type;
 
-    // TODO: Create a constructor with all fields
+    // constructor with all fields
+    public  Movie(Long id,
+                  String title,
+                  List<String> genres,
+                  List<String> images,
+                  String year,
+                  String imdb_rating,
+                  String poster,
+                  String country)
+    {
+        this.id = id;
+        this.title = title;
+        this.genres = genres;
+        this.images = images;
+        this.year = year;
+        this.imdb_rating = imdb_rating;
+        this.poster = poster;
+        this.country = country;
+    }
 
-    // TODO: Create a simple constructor with id and title only
+    // 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
+    // getters and setters for all fields
+    public void setWriter(String writer)
+    {
+        this.writer = writer;
+    }
+
+    public void setType(String type)
+    {
+        this.type = type;
+    }
+
+    public void setRuntime(String runtime)
+    {
+        this.runtime = runtime;
+    }
+
+    public void setReleased(String released)
+    {
+        this.released = released;
+    }
+
+    public void setRated(String rated)
+    {
+        this.rated = rated;
+    }
+
+    public void setPlot(String plot)
+    {
+        this.plot = plot;
+    }
+
+    public void setMetascore(String metascore)
+    {
+        this.metascore = metascore;
+    }
+
+    public void setImdb_votes(String imdb_votes)
+    {
+        this.imdb_votes = imdb_votes;
+    }
+
+    public void setImdb_id(String imdb_id)
+    {
+        this.imdb_id = imdb_id;
+    }
+
+    public void setDirector(String director)
+    {
+        this.director = director;
+    }
+
+    public void setAwards(String awards)
+    {
+        this.awards = awards;
+    }
+
+    public void setActors(String actors)
+    {
+        this.actors = actors;
+    }
+
+    public void setId(Long id)
+    {
+        this.id = id;
+    }
+
+    public void setTitle(String title)
+    {
+        this.title = title;
+    }
+
+    public void setGenres(List<String> genres)
+    {
+        this.genres = genres;
+    }
+
+    public void setImages(List<String> images)
+    {
+        this.images = images;
+    }
+
+    public void setPoster(String poster)
+    {
+        this.poster = poster;
+    }
+
+    public void setYear(String year)
+    {
+        this.year = year;
+    }
+
+    public void setImdb_rating(String imdb_rating)
+    {
+        this.imdb_rating = imdb_rating;
+    }
+
+    public void setCountry(String country)
+    {
+        this.country = country;
+    }
+
+    public String getWriter()
+    {
+        return writer;
+    }
+
+    public String getType()
+    {
+        return type;
+    }
+
+    public String getRuntime()
+    {
+        return runtime;
+    }
+
+    public String getReleased()
+    {
+        return released;
+    }
+
+    public String getRated()
+    {
+        return rated;
+    }
+
+    public String getPlot()
+    {
+        return plot;
+    }
+
+    public String getImdb_votes()
+    {
+        return imdb_votes;
+    }
+
+    public String getMetascore()
+    {
+        return metascore;
+    }
+
+    public String getImdb_id()
+    {
+        return imdb_id;
+    }
+
+    public String getDirector()
+    {
+        return director;
+    }
+
+    public String getAwards()
+    {
+        return awards;
+    }
+
+    public String getActors()
+    {
+        return actors;
+    }
+
+    public Long getId()
+    {
+        return id;
+    }
+
+    public String getTitle()
+    {
+        return title;
+    }
+
+    public List<String> getGenres()
+    {
+        return genres;
+    }
+
+    public List<String> getImages()
+    {
+        return images;
+    }
+
+    public String getYear()
+    {
+        return year;
+    }
+
+    public String getImdb_rating()
+    {
+        return imdb_rating;
+    }
+
+    public String getPoster()
+    {
+        return poster;
+    }
+
+    public String getCountry()
+    {
+        return country;
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder MovieInfo = new StringBuilder();
+
+        MovieInfo.append("=-=-=-=-= Movie Information: =-=-=-=-=\n");
+        MovieInfo.append("- Title: ").append(title).append("\n");
+        MovieInfo.append("- Year: ").append(year).append("\n");
+        MovieInfo.append("- Runtime: ").append(runtime).append("\n");
+        MovieInfo.append("- Rated: ").append(rated).append("\n");
+        MovieInfo.append("- Released: ").append(released).append("\n");
+        MovieInfo.append("- IMDB Rating: ").append(imdb_rating).append("/10 (").append(imdb_votes).append(" votes)\n");
+        MovieInfo.append("- Metascore: ").append(metascore).append("/100\n");
+        MovieInfo.append("\n");
+
+        MovieInfo.append("- Director(s): ").append(director).append("\n");
+        MovieInfo.append("- Writer(s): ").append(writer).append("\n");
+        MovieInfo.append("- Actor(s): ").append(actors).append("\n");
+        MovieInfo.append("\n");
+
+        MovieInfo.append("- Genres: ").append(String.join(",", genres)).append("\n");
+        MovieInfo.append("- Plot: ").append(plot).append("\n");
+        MovieInfo.append("\n");
+
+        MovieInfo.append("- Country: ").append(country).append("\n");
+        MovieInfo.append("- Awards: ").append(awards).append("\n");
+        MovieInfo.append("\n");
+
+        if (!images.isEmpty())
+        {
+            MovieInfo.append("- Screenshot(s):\n");
+            for (String ss : images)
+                MovieInfo.append("  - ").append(ss).append("\n");
+        }
+
+        return MovieInfo.toString();
+    }
 }

src/main/java/movie/apis/MovieService.java

@@ -4,6 +4,7 @@ import com.google.gson.*;
 import com.google.gson.reflect.TypeToken;
 
 import java.io.IOException;
+import java.net.HttpURLConnection;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
@@ -12,65 +13,74 @@ import java.lang.reflect.Type;
 import java.util.ArrayList;
 import java.util.List;
 
-public class MovieService {
-
+public class MovieService
+{
     private final static String GENRES_URL = "https://api.meshcomp.ir/api/v1/genres";
     private final static String MOVIE_BY_ID_URL = "https://api.meshcomp.ir/api/v1/movies/";
     private final static HttpClient client = HttpClient.newHttpClient();
 
-    private String getGenresList() {
-        try {
-            HttpRequest request = HttpRequest.newBuilder()
-                    .uri(URI.create(GENRES_URL))
-                    .build();
+    private String getGenresList()
+    {
+        try
+        {
+            HttpRequest request = HttpRequest.newBuilder().uri(URI.create(GENRES_URL)).build();
 
             HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
 
-            if (response.statusCode() == 200) {
+            if (response.statusCode() == 200)
+            {
                 System.out.println("Genres List received successfully");
                 return response.body();
-            } else {
-                throw new IOException("HTTP error code: " + response.statusCode());
             }
-        } catch (Exception e) {
+            else
+                throw new IOException("HTTP error code: " + response.statusCode());
+        }
+        catch (Exception e)
+        {
             System.out.println("!!Exception : " + e.getMessage());
         }
+
         return null;
     }
 
-    private String getMoviesByGenreList(Long genreId, Long page) {
-        try {
+    private String getMoviesByGenreList(Long genreId, Long page)
+    {
+        try
+        {
             String url = "https://api.meshcomp.ir/api/v1/genres/" + genreId + "/movies?page=" + page;
 
-            HttpRequest request = HttpRequest.newBuilder()
-                    .uri(URI.create(url))
-                    .build();
+            HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build();
 
             HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
 
-            if (response.statusCode() == 200) {
+            if (response.statusCode() == 200)
                 return response.body();
-            } else {
+            else
+            {
                 System.out.println("HTTP error code: " + response.statusCode());
                 return null;
             }
-        } catch (Exception e) {
+        }
+        catch (Exception e)
+        {
             System.out.println("!!Exception : " + e.getMessage());
         }
+
         return null;
     }
 
-
-
-    public void displayGenres() {
+    public void displayGenres()
+    {
         String jsonResponse = getGenresList();
 
-        if (jsonResponse == null) {
+        if (jsonResponse == null)
+        {
             System.out.println("Failed to get genres");
             return;
         }
 
-        try {
+        try
+        {
             JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject();
             JsonArray genresArray = rootObject.getAsJsonArray("genres");
             Type genreListType = new TypeToken<ArrayList<Genre>>(){}.getType();
@@ -78,17 +88,19 @@ public class MovieService {
             List<Genre> genres = gson.fromJson(genresArray, genreListType);
 
             System.out.println("\nALL GENRES:");
-            for (Genre genre : genres) {
+            for (Genre genre : genres)
                 System.out.println(genre.getId() + ". " + genre.getName());
-            }
+
             System.out.println();
-        } catch (Exception e) {
+        }
+        catch (Exception e)
+        {
             System.err.println("ERROR parsing genres: " + e.getMessage());
         }
     }
 
     /**
-     * TODO 1: Display movies for a specific genre and page
+     * Display movies for a specific genre and page
      *
      * JSON format: { "movies": [ { "id": 1, "title": "Movie", "year": "1994" } ], "total": 177, "total_pages": 18 }
      *
@@ -101,13 +113,30 @@ 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 RawData = getMoviesByGenreList(genreId, page);
+            if (RawData == null)
+                throw new IllegalArgumentException("Invalid genreId or page number; no data found");
 
-        } catch (Exception e) {
+            JsonObject JsonData = JsonParser.parseString(RawData).getAsJsonObject();
+            JsonArray MoviesArray = JsonData.getAsJsonArray("movies");
+            Type MovieListType = new TypeToken<ArrayList<Movie>>(){}.getType();
+            Gson GsonHandle = new Gson();
+            List<Movie> Movies = GsonHandle.fromJson(MoviesArray, MovieListType);
+
+            System.out.printf("\nMovies with %s genre:\n", JsonData.getAsJsonObject("genre").get("name").getAsString());
+            for (Movie CurrentMovie : Movies)
+                System.out.printf("ID: %d | %s (%s)\n", CurrentMovie.getId(), CurrentMovie.getTitle(), CurrentMovie.getYear());
+
+            System.out.printf("\nTotal: %s - Total pages: %s", JsonData.get("total").getAsString(), JsonData.get("total_pages").getAsString());
+
+            System.out.println();
+        }
+        catch (Exception e)
+        {
             System.err.println("ERROR: " + e.getMessage());
         }
     }
@@ -117,18 +146,25 @@ 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<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
-            // if (response.statusCode() == 200) return response.body();
+    private String getMovieById(Long movieId)
+    {
+        try
+        {
+            final String URL = MOVIE_BY_ID_URL + movieId;
+
+            HttpRequest Request = HttpRequest.newBuilder().uri(URI.create(URL)).build();
+            HttpResponse<String> Respone = client.send(Request, HttpResponse.BodyHandlers.ofString());
+
+            if (Respone.statusCode() == HttpURLConnection.HTTP_OK)
+                return Respone.body();
 
             return null;
-        } catch (Exception e) {
+        }
+        catch (Exception e)
+        {
             System.out.println("!!Exception : " + e.getMessage());
         }
+
         return null;
     }
     
@@ -158,30 +194,29 @@ public class MovieService {
      *
      * @param movieId The ID of the movie to display
      */
-    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
-        if (jsonResponse == null) {
+        if (jsonResponse == null)
+        {
             System.out.println("Failed to get movie details for ID: " + movieId);
             return;
         }
 
-        // Step 3-6: Parse JSON and display details (PUT YOUR CODE INSIDE try-catch)
-        try {
-            // TODO: Parse jsonResponse to JsonObject
-            // TODO: Extract id, title, year, genres array, poster, country, imdb_rating
-            // TODO: Convert genres array to a readable string
-            // TODO: Print all movie details
-            // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject()
-            // HINT: Use getAsJsonArray("genres") to get genres
-            // HINT: For each genre, use getAsString()
+        try
+        {
+            JsonObject JsonData = JsonParser.parseString(jsonResponse).getAsJsonObject();
 
-            // Your code here:
+            Gson GsonHandle = new Gson();
+            Type MovieType = new TypeToken<Movie>(){}.getType();
+            Movie RequestedMovie = GsonHandle.fromJson(JsonData, MovieType);
 
-
-        } catch (Exception e) {
+            System.out.println();
+            System.out.println(RequestedMovie);
+        }
+        catch (Exception e)
+        {
             System.err.println("ERROR parsing movie details: " + e.getMessage());
         }
     }