Merge PR 'develop' (#1) from develop into main - Full Mark 100/100

Full Mark 100/100

src/main/java/Rational/Rational.java

@@ -51,46 +51,38 @@ public class Rational {
         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
-    }
+    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
+        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) ÷ (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) {
+            System.out.println("Error !");
+        }
+        else {
+            int newNumerator = this.numerator * other.denominator;
+            int newDenominator = this.denominator * other.numerator;
+            return new Rational(newNumerator, newDenominator);
+        }
+        return null;
     }
 
-    // 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
     @Override

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

@@ -21,14 +21,18 @@ public class Main {
                     break;
 
                 case 2:
-                    // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
-
+                    System.out.println("Enter genre id :");
+                    Long genreId = scanner.nextLong();
+                    System.out.println("Enter the page number :");
+                    Long page = scanner.nextLong();
+                    movieService.displayMoviesByGenre(genreId, page);
                     break;
 
 
                 case 3:
-                    // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
-
+                    System.out.println("Enter the movie id :");
+                    Long movieId = scanner.nextLong();
+                    movieService.displayMovieDetails(movieId);
 
                     break;
 

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

@@ -6,19 +6,118 @@ 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 List<String> genres;
+    private List<String> images;
     private String year;
-    private String imdbRating;
+    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<String> genres, List<String> 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 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<String> getGenres() { return genres; }
+
+    public void setGenres(List<String> genres) { this.genres = genres; }
+
+    public List<String> getImages() { return images; }
+
+    public void setImages(List<String> images) { this.images = images; }
+
+    public String getYear() { return year; }
+
+    public void setYear(String year) { this.year = year; }
+
+    public String getImdbRating() { return imdb_rating; }
+
+    public void setImdbRating(String imdbRating) { 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; }
 }

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

@@ -102,30 +102,52 @@ 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
+        String jsonResponse = getMoviesByGenreList(genreId, page);
+
+        if (jsonResponse == null) {
+            System.out.println("Failed !");
+            return;
+        }
+
         try {
-            // Your code here
+            JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject();
+            JsonArray moviesArray = rootObject.getAsJsonArray("movies");
+            Type movieListType = new TypeToken<ArrayList<Movie>>(){}.getType();
+            Gson gson = new Gson();
+            List<Movie> movies = gson.fromJson(moviesArray, movieListType);
+
+            System.out.println();
+            System.out.println("Total : " + rootObject.get("total").getAsLong());
+            System.out.println("Taotal pages : " + rootObject.get("total_pages").getAsLong());
+            System.out.println("\nALL MOVIES:");
+            for (Movie movie : movies) {
+                System.out.println("ID : " + movie.getId() + " | " + movie.getTitle() + " (" + movie.getYear() + ")");
+            }
 
         } catch (Exception e) {
             System.err.println("ERROR: " + e.getMessage());
         }
     }
 
-
     /**
      * 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();
+            HttpRequest request = HttpRequest.newBuilder()
+                    .uri(URI.create(MOVIE_BY_ID_URL + movieId))
+                    .build();
 
-            return null;
+            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+
+            if(response.statusCode() == 200) {
+                System.out.println("MOVIE_BY_ID_URL List recieved successfully");
+                return response.body();
+            }
+            else {
+                throw new IOException("Http error code : " + response.statusCode());
+            }
         } catch (Exception e) {
             System.out.println("!!Exception : " + e.getMessage());
         }
@@ -170,16 +192,38 @@ public class MovieService {
 
         // 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()
+            JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject();
+            JsonArray genresArray = rootObject.getAsJsonArray("genres");
+            Type genreListType = new TypeToken<ArrayList<Genre>>(){}.getType();
+            Gson gson = new Gson();
+            Movie movie = gson.fromJson(jsonResponse, Movie.class);
 
-            // Your code here:
+            String genresReadable = "";
+            for (int i = 0; i < movie.getGenres().size(); i++) {
+                genresReadable += movie.getGenres().get(i).toString();
+                if (i < movie.getGenres().size() - 1) {
+                    genresReadable += ", ";
+                }
+            }
 
+            System.out.println();
+            System.out.println("===============================================================================================");
+            System.out.println("                              " + movie.getTitle() + " (" + movie.getYear() + ")");
+            System.out.println("===============================================================================================");
+            System.out.println("Movie ID : " + movie.getId());
+            System.out.println("Genres : " + genresReadable);
+            System.out.println("IMDB Rating : " + movie.getImdbRating() + " | " +"Votes : " + movie.getImdb_votes() + " | " + "IMDB id : " + movie.getImdb_id());
+            System.out.println("Meta Score : " + movie.getMetascore());
+            System.out.println("Director : " + movie.getDirector());
+            System.out.println("Cast : " + movie.getActors());
+            System.out.println("Writer : " + movie.getWriter());
+            System.out.println("Type : " + movie.getType());
+            System.out.println("Run time : " + 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("Posters : " + movie.getImages());
+            System.out.println("===============================================================================================");
 
         } catch (Exception e) {
             System.err.println("ERROR parsing movie details: " + e.getMessage());