implement getMovieById

src/main/java/Rational/Rational.java

@@ -51,45 +51,56 @@ public class Rational {
         return r1.add(r2);
     }
 
-    // TODO: Instance method - this - other
+    // COMPLETED - Instance method - this - other
-    // Formula: a/b - c/d = (a*d - c*b) / (b*d)
     public Rational subtract(Rational other) {
-        // YOUR CODE HERE
+        int newNumerator = (this.numerator * other.denominator - other.numerator * this.denominator);
-        return null; // Remove this line when implemented
+        int newDenominator = this.denominator * other.denominator;
+
+        Rational result = new Rational(newNumerator, newDenominator);
+        result.simplify();
+
+        return result;
     }
 
-    // TODO: Static method - r1 - r2
+    // COMPLETED - Static method - r1 - r2
     public static Rational subtract(Rational r1, Rational r2) {
-        // YOUR CODE HERE
+        return r1.subtract(r2);
-        return null; // Remove this line when implemented
     }
 
-    // TODO: Instance method - this * other
+    // COMPLETED - Instance method - this * other
-    // Formula: (a/b) * (c/d) = (a*c) / (b*d)
     public Rational multiply(Rational other) {
-        // YOUR CODE HERE
+        int newNumerator = this.numerator * other.numerator;
-        return null; // Remove this line when implemented
+        int newDenominator = this.denominator * other.denominator;
+
+        Rational result = new Rational(newNumerator, newDenominator);
+        result.simplify();
+
+        return result;
     }
 
-    // TODO: Static method - r1 * r2
+    // COMPLETED - Static method - r1 * r2
     public static Rational multiply(Rational r1, Rational r2) {
-        // YOUR CODE HERE
+        return r1.multiply(r2);
-        return null; // Remove this line when implemented
     }
 
-    // TODO: Instance method - this / other
+    // COMPLETED - Instance method - this / other
-    // Formula: (a/b) ÷ (c/d) = (a*d) / (b*c)
     public Rational divide(Rational other) {
-        // YOUR CODE HERE
+        if (other.numerator == 0) {
-        // HINT: Division is multiplication by reciprocal
+            throw new ArithmeticException("Caught division by zero");
-        // Don't forget to check if other.numerator is zero!
+        }
-        return null; // Remove this line when implemented
+
+        int newNumerator = this.numerator * other.denominator;
+        int newDenominator = this.denominator * other.numerator;
+
+        Rational result = new Rational(newNumerator, newDenominator);
+        result.simplify();
+
+        return result;
     }
 
-    // TODO: Static method - r1 / r2
+    // COMPLETED - Static method - r1 / r2
     public static Rational divide(Rational r1, Rational r2) {
-        // YOUR CODE HERE
+        return r1.divide(r2);
-        return null; // Remove this line when implemented
     }
 
     //  PROVIDED - String representation

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

@@ -21,15 +21,17 @@ public class Main {
                     break;
 
                 case 2:
-                    // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
+                    Long genreId = getLongInput("Please set your desired genre id: ");
+                    Long page = getLongInput("Please set the number of the page: ");
 
+                    movieService.displayMoviesByGenre(genreId, page);
                     break;
 
 
                 case 3:
-                    // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
+                    Long movieId = getLongInput("Please set the movie id: ");
-
 
+                    movieService.displayMovieDetails(movieId);
                     break;
 
                 case 0:

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

@@ -1,11 +1,9 @@
 package movie.apis;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import java.util.List;
 
-/**
+@JsonIgnoreProperties(ignoreUnknown = true)
- * Model class representing a movie
- * Fields: id, title, genres, images
- */
 public class Movie {
 
     private Long id;
@@ -13,12 +11,92 @@ public class Movie {
     private List<String> genres;
     private List<String> images;
     private String year;
+    private String released;
+    private String imdb_id;
+    private String imdb_votes;
     private String imdb_rating;
+    private String meta_score;
     private String country;
+    private String actors;
+    private String director;
+    private String writer;
+    private String awards;
+    private String plot;
+    private String rated;
+    private String runtime;
+    private String type;
 
-    // TODO: Create a constructor with all fields
+    public Movie(Long id, String title, List<String> genres, List<String> images, String year, String released, String imdb_id,
+                 String imdb_votes, String imdb_rating, String country, String actors, String director, String writer, String awards,
+                 String plot, String rated, String runtime, String type) {
 
-    // TODO: Create a simple constructor with id and title only
+        this(id, title, genres, images, year, imdb_rating, country);
+        this.released = released;
+        this.imdb_id = imdb_id;
+        this.imdb_votes = imdb_votes;
+        this.actors = actors;
+        this.director = director;
+        this.writer = writer;
+        this.awards = awards;
+        this.plot = plot;
+        this.rated = rated;
+        this.runtime = runtime;
+        this.type = type;
+    }
 
-    // TODO: Create getters and setters for all fields
+    public Movie(Long id, String title, List<String> genres, List<String> images, String year, String imdb_rating, String country) {
+        this(id, title);
+        this.genres = genres;
+        this.images = images;
+        this.year = year;
+        this.imdb_rating = imdb_rating;
+        this.country = country;
+    }
+
+    public Movie(Long id, String title) {
+        this.id = id;
+        this.title = title;
+    }
+
+    public Movie() {}
+
+    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 setYear(String year) {this.year = year;}
+    public void setCountry(String country) {this.country = country;}
+    public void setImdb_rating(String imdb_rating) {this.imdb_rating = imdb_rating;}
+    public void setActors(String actors) {this.actors = actors;}
+    public void setAwards(String awards) {this.awards = awards;}
+    public void setDirector(String director) {this.director = director;}
+    public void setImdb_id(String imdb_id) {this.imdb_id = imdb_id;}
+    public void setImdb_votes(String imdb_votes) {this.imdb_votes = imdb_votes;}
+    public void setMeta_score(String meta_score) {this.meta_score = meta_score;}
+    public void setPlot(String plot) {this.plot = plot;}
+    public void setRated(String rated) {this.rated = rated;}
+    public void setReleased(String released) {this.released = released;}
+    public void setRuntime(String runtime) {this.runtime = runtime;}
+    public void setType(String type) {this.type = type;}
+    public void setWriter(String writer) {this.writer = writer;}
+
+    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 getCountry() {return country;}
+    public String getImdb_rating() {return imdb_rating;}
+    public String getActors() {return actors;}
+    public String getImdb_id() {return imdb_id;}
+    public String getDirector() {return director;}
+    public String getImdb_votes() {return imdb_votes;}
+    public String getAwards() {return awards;}
+    public String getMeta_score() {return meta_score;}
+    public String getPlot() {return plot;}
+    public String getRated() {return rated;}
+    public String getReleased() {return released;}
+    public String getRuntime() {return runtime;}
+    public String getType() {return type;}
+    public String getWriter() {return writer;}
 }

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

@@ -1,5 +1,7 @@
 package movie.apis;
 
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.gson.*;
 import com.google.gson.reflect.TypeToken;
 
@@ -87,44 +89,38 @@ 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
+        String jsonData = getMoviesByGenreList(genreId, page);
-        // All parsing code must be inside try-catch
-        try {
-            // Your code here
 
-        } catch (Exception e) {
+        try {
+            JsonObject jsonObject = JsonParser.parseString(jsonData).getAsJsonObject();
+
+            String moviesJson = jsonObject.get("movies").toString();
+
+            ObjectMapper mapper = new ObjectMapper();
+            List<Movie> movies = mapper.readValue(
+                    moviesJson,
+                    new TypeReference<List<Movie>>() {}
+            );
+
+            for (Movie movie : movies) {
+                System.out.println("ID: " + movie.getId() + " | " + movie.getTitle() + " ( " + movie.getYear() + ")");
+            }
+
+            System.out.println("total: " + movies.size() + " | page: " + page + " | total pages: " + movies.size()/10);
+        }
+        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;
-            // String url = MOVIE_BY_ID_URL + movieId;
+             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());
-            // HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+
-            // if (response.statusCode() == 200) return response.body();
+             if (response.statusCode() == 200) return response.body();
 
             return null;
         } catch (Exception e) {
@@ -133,58 +129,34 @@ public class MovieService {
         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:
-
-           =======================================================================
-                               THE SHAWSHANK REDEMPTION (1994)
-           =======================================================================
-           Rating: 9.3/10  |  Votes: 1,738,596
-           Director: Frank Darabont
-           Cast: Tim Robbins, Morgan Freeman, Bob Gunton, William Sadler
-           Genre: Crime, Drama
-           Runtime: 142 min  |  Rated: R
-           Country: USA  |  Released: 14 Oct 1994
-           Plot: Two imprisoned men bond over a number of years, finding
-           solace and eventual redemption through acts of common decency.
-           Awards: Nominated for 7 Oscars. Another 19 wins & 30 nominations.
-           =======================================================================
-
-     */
-
     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
+            JsonObject jsonObject = JsonParser.parseString(jsonResponse).getAsJsonObject();
-            // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject()
+
-            // TODO: use Gson to parse the json
+            Gson gson = new Gson();
-            // Your code here:
+            Movie movie = gson.fromJson(jsonObject, Movie.class);
+
+            System.out.println("=======================================================================");
+            System.out.println(movie.getTitle() + " ( " + 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: " + movie.getGenres());
+            System.out.println("Runtime: " + movie.getRuntime() + " min  |  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());
         }