develop

.idea/misc.xml

@@ -8,7 +8,5 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" project-jdk-name="25" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" project-jdk-name="21" project-jdk-type="JavaSDK" />
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
 </project>

src/main/java/Rational/Rational.java

@@ -53,43 +53,52 @@ public class Rational {
 
     // TODO: Instance method - this - other
     // Formula: a/b - c/d = (a*d - c*b) / (b*d)
-    public Rational subtract(Rational other) {
+    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) {
+    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) {
+    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) {
+    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) ÷ (c/d) = (a*d) / (b*c)
-    public Rational divide(Rational other) {
+    public Rational divide(Rational other)
-        // YOUR CODE HERE
+    {
-        // HINT: Division is multiplication by reciprocal
+        if (other.numerator == 0)
-        // Don't forget to check if other.numerator is zero!
+        {
-        return null; // Remove this line when implemented
+            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) {
+    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

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

@@ -7,28 +7,35 @@ 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 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;
 
@@ -42,7 +49,8 @@ public class Main {
                     System.out.println("Invalid choice! Please enter 0-4");
             }
 
-            if (running) {
+            if (running)
+            {
                 System.out.println("\nPress Enter to continue...");
                 scanner.nextLine();
                 scanner.nextLine();
@@ -65,7 +73,8 @@ public class Main {
 
     private static int getIntInput(String prompt) {
         System.out.print(prompt);
-        while (!scanner.hasNextInt()) {
+        while (!scanner.hasNextInt())
+        {
             System.out.print("Invalid input. " + prompt);
             scanner.next();
         }
@@ -74,9 +83,11 @@ public class Main {
         return input;
     }
 
-    private static Long getLongInput(String prompt) {
+    private static Long getLongInput(String prompt)
+    {
         System.out.print(prompt);
-        while (!scanner.hasNextLong()) {
+        while (!scanner.hasNextLong())
+        {
             System.out.print("Invalid input. " + prompt);
             scanner.next();
         }

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

@@ -16,9 +16,104 @@ public class Movie {
     private String imdb_rating;
     private String country;
 
+    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;
+    }
+
+    public Movie(Long id, String title)
+    {
+        this.id = id;
+        this.title = title;
+    }
+
+    public Movie() {}
+
+    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 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;
+    }
+
+    @Override
+    public String toString()
+    {
+        return title + " (" + year + ") - IMDB: " + imdb_rating;
+    }
+}
     // TODO: Create a constructor with all fields
 
     // TODO: Create a simple constructor with id and title only
 
     // TODO: Create getters and setters for all fields
-}

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

@@ -102,11 +102,39 @@ public class MovieService {
      *
      * PUT ALL PARSING CODE INSIDE try-catch
      */
-    public void displayMoviesByGenre(Long genreId, Long page) {
+    public void displayMoviesByGenre(Long genreId, Long page)
-        // TODO: Write your code here
+    {
-        // All parsing code must be inside try-catch
+        try
-        try {
+        {
-            // Your code here
+            String json = getMoviesByGenreList(genreId, page);
+            if (json == null)
+            {
+                System.out.println("Failed to load movies");
+                return;
+            }
+
+            JsonObject root = JsonParser.parseString(json).getAsJsonObject();
+
+            long total = root.get("total").getAsLong();
+            long totalPages = root.get("total_pages").getAsLong();
+
+            JsonArray moviesArray = root.getAsJsonArray("movies");
+
+            System.out.println("\nMovies for genre " + genreId + " | Page " + page);
+            System.out.println("----------------------------------------------");
+
+            for (JsonElement element : moviesArray) {
+                JsonObject movieObj = element.getAsJsonObject();
+                Long id = movieObj.get("id").getAsLong();
+                String title = movieObj.get("title").getAsString();
+                String year = movieObj.get("year").getAsString();
+
+                System.out.println("ID: " + id + " | " + title + " (" + year + ")");
+            }
+
+            System.out.println("\nTotal Movies: " + total);
+            System.out.println("Total Pages: " + totalPages);
+            System.out.println();
 
         } catch (Exception e) {
             System.err.println("ERROR: " + e.getMessage());
@@ -114,25 +142,35 @@ 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;
-            // String url = MOVIE_BY_ID_URL + movieId;
+
-            // HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build();
+            HttpRequest request = HttpRequest.newBuilder()
-            // HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+                    .uri(URI.create(url))
-            // if (response.statusCode() == 200) return response.body();
+                    .build();
+
+            HttpResponse<String> response =
+                    client.send(request, HttpResponse.BodyHandlers.ofString());
+
+            if (response.statusCode() == 200) {
+                return response.body();
+            } else {
+                System.out.println("HTTP error code: " + response.statusCode());
+            }
 
-            return null;
         } catch (Exception e) {
             System.out.println("!!Exception : " + e.getMessage());
         }
         return null;
     }
 
+
      /*
      BONUS TODO: Display complete movie details for a given movie ID
 
@@ -170,23 +208,44 @@ public class MovieService {
 
      */
 
-    public void displayMovieDetails(Long movieId) {
+    public void displayMovieDetails(Long movieId)
-        // Step 1: Get JSON response from API
+    {
         String jsonResponse = getMovieById(movieId);
 
-        // Step 2: Check if we got valid data
+        if (jsonResponse == null)
-        // 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
+        try
-            // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject()
+        {
-            // TODO: use Gson to parse the json
+            JsonObject root = JsonParser.parseString(jsonResponse).getAsJsonObject();
-            // Your code here:
+
-        } catch (Exception e) {
+            Gson gson = new Gson();
+            Movie movie = gson.fromJson(root, Movie.class);
+
+            System.out.println("\n=======================================================================");
+            System.out.println("                     " + movie.getTitle() + " (" + movie.getYear() + ")");
+            System.out.println("=======================================================================");
+
+            System.out.println("Rating: " + movie.getImdb_rating());
+            System.out.println("Country: " + movie.getCountry());
+            System.out.println("Year: " + movie.getYear());
+
+            if (movie.getGenres() != null)
+                System.out.println("Genres: " + String.join(", ", movie.getGenres()));
+
+            System.out.println("\n=======================================================================");
+            System.out.println();
+
+        }
+        catch (Exception e)
+        {
             System.err.println("ERROR parsing movie details: " + e.getMessage());
         }
     }
+
+
+
 }