Merge pull request 'Complete code' (#1) from develop into main

Reviewed-on: Parmis_jamami/HW-03-oop-and-api#1

src/main/java/Rational/Rational.java

@@ -54,42 +54,46 @@ 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) ÷ (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 IllegalArgumentException("Denominator cannot be 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

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

@@ -21,17 +21,19 @@ 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:
                     running = false;
                     System.out.println("Goodbye!");

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

@@ -15,10 +15,202 @@ public class Movie {
     private String year;
     private String imdb_rating;
     private String country;
+    private List<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
 
-    // TODO: Create a simple constructor with id and title only
+    public Movie(Long id , String title , List<String> genres , List<String> images , String year , String imdb_rating , String country
+                , List<String> actors , String awards , String director , String imdb_id , String imdb_votes
+                , String metascore , String plot , String rated , String released , String runtime , String type , String writer){
+        this.id = id;
+        this.title = title;
+        this.genres = genres;
+        this.images = images;
+        this.year = year;
+        this.imdb_rating = imdb_rating;
+        this.country = country;
+
+        this.actors = actors;
+        this.awards = awards;
+        this.director = director;
+        this.imdb_id = imdb_id;
+        this.imdb_votes = imdb_votes;
+        this.metascore = metascore;
+        this.plot = plot;
+        this.rated = rated;
+        this.released = released;
+        this.runtime = runtime;
+        this.type = type;
+        this.writer = writer;
+
+    }
+    public Movie(Long id , String title){
+        this.id = id;
+        this.title = title;
+    }
+
+    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;
+    }
+
+    public List<String> getActors() {
+        return actors;
+    }
+
+    public void setActors(List<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;
+    }
+
 
-    // TODO: Create getters and setters for all fields
 }

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

@@ -103,10 +103,32 @@ public class MovieService {
      * PUT ALL PARSING CODE INSIDE try-catch
      */
     public void displayMoviesByGenre(Long genreId, Long page) {
-        // TODO: Write your code here
+        String jsonResponse = getMoviesByGenreList(genreId , page);
+        if(jsonResponse == null){
+            System.out.println("Failed to get movies. ");
+            return;
+        }
         // All parsing code must be inside try-catch
         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("\nAll Movies:");
+            for(Movie movie : movies){
+                System.out.println(
+                        "ID: " + movie.getId() +
+                                " | " + movie.getTitle() +
+                                " (" + movie.getYear() + ")"
+                );
+            }
+            System.out.println("\nTotal: " + rootObject.get("total"));
+            System.out.println("Total Pages: " + rootObject.get("total_pages"));
+            System.out.println();
+
 
         } catch (Exception e) {
             System.err.println("ERROR: " + e.getMessage());
@@ -120,13 +142,19 @@ 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<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
-            // if (response.statusCode() == 200) return response.body();
+            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();
+            }
+            else{
+                System.out.println("HTTP error code: " + response.statusCode());
+                return null;
+            }
+
 
-            return null;
         } catch (Exception e) {
             System.out.println("!!Exception : " + e.getMessage());
         }
@@ -134,7 +162,7 @@ public class MovieService {
     }
 
      /*
-     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
@@ -181,10 +209,48 @@ 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:
+
+            JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject();
+
+            Gson gson = new Gson();
+            Movie movie = gson.fromJson(rootObject, Movie.class);
+
+            System.out.println("=======================================================================");
+            System.out.println("                 " + movie.getTitle() + " (" + movie.getYear() + ")");
+            System.out.println("=======================================================================");
+
+            System.out.println("Rating: " + movie.getImdb_rating() +
+                    "  |  Votes: " + movie.getImdb_votes());
+
+            System.out.println("Director: " + movie.getDirector());
+
+            System.out.print("Cast: ");
+            if (movie.getActors() != null) {
+                for (String actor : movie.getActors()) {
+                    System.out.print(actor + ", ");
+                }
+            }
+            System.out.println();
+
+            System.out.print("Genre: ");
+            if (movie.getGenres() != null) {
+                for (String g : movie.getGenres()) {
+                    System.out.print(g + " ");
+                }
+            }
+            System.out.println();
+
+            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());
         }