develop #1

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Z.Gharagozloo.M wants to merge 4 commits from develop into main
4 changed files with 302 additions and 46 deletions
+28 -30
View File
@@ -47,49 +47,47 @@ public class Rational {
} }
// COMPLETED - Static method: r1 + r2 // 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);}
return r1.add(r2);
}
// TODO: Instance method - this - other //TODO
// Formula: a/b - c/d = (a*d - c*b) / (b*d)
public Rational subtract(Rational other) { 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;
return new Rational(newNumerator, newDenominator);
} }
// TODO: Static method - r1 - r2 //TODO
public static Rational subtract(Rational r1, Rational r2) { public static Rational subtract(Rational r1, Rational r2) {return r1.subtract(r2);}
// YOUR CODE HERE
return null; // Remove this line when implemented
}
// TODO: Instance method - this * other //TODO
// Formula: (a/b) * (c/d) = (a*c) / (b*d)
public Rational multiply(Rational other) { 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;
return new Rational(newNumerator, newDenominator);
} }
// TODO: Static method - r1 * r2 //TODO
public static Rational multiply(Rational r1, Rational r2) { public static Rational multiply(Rational r1, Rational r2) {return r1.multiply(r2);}
// YOUR CODE HERE
return null; // Remove this line when implemented
}
// TODO: Instance method - this / other //TODO
// Formula: (a/b) ÷ (c/d) = (a*d) / (b*c)
public Rational divide(Rational other) { public Rational divide(Rational other) {
// YOUR CODE HERE if (other.numerator == 0) {
// HINT: Division is multiplication by reciprocal System.out.println("You can't divide a number by zero!");
// Don't forget to check if other.numerator is zero! return null;
return null; // Remove this line when implemented }
int newNumerator = this.numerator * other.denominator;
int newDenominator = this.denominator * other.numerator;
return new Rational(newNumerator, newDenominator);
} }
// TODO: Static method - r1 / r2 //TODO
public static Rational divide(Rational r1, Rational r2) { public static Rational divide(Rational r1, Rational r2) {
// YOUR CODE HERE if (r2.numerator == 0) {
return null; // Remove this line when implemented System.out.println("You can't divide a number by zero!");
return null;
}
return r1.divide(r2);
} }
// PROVIDED - String representation // PROVIDED - String representation
+19
View File
@@ -23,12 +23,31 @@ public class Main {
case 2: case 2:
// TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre() // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
System.out.println("\n===== Display Movies by Genre =====");
//Getting genre ID
System.out.print("Enter genre ID: ");
Long genreId = scanner.nextLong();
//Getting page
System.out.print("Enter page number: ");
Long page = scanner.nextLong();
movieService.displayMoviesByGenre(genreId, page);
break; break;
case 3: case 3:
// TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails() // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
System.out.println("\n===== Display Movie Details =====");
//Getting movie ID
System.out.print("Enter movie ID: ");
Long movieId = scanner.nextLong();
movieService.displayMovieDetails(movieId);
break; break;
+192 -3
View File
@@ -15,10 +15,199 @@ public class Movie {
private String year; private String year;
private String imdb_rating; private String imdb_rating;
private String country; private String country;
private String actors, awards, director, imdb_id, imdb_votes, metascore,
plot, rated, released, runtime, type, writer;
// TODO: Create a constructor with all fields //TODO
public Movie (Long id, String title, List<String> genres,
List<String> images, String year, String imdb_rating,
String country, 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;
}
// TODO: Create a simple constructor with id and title only //TODO
public Movie (Long id, String title) {
this.id = id;
this.title = title;
}
// TODO: Create getters and setters for all fields // TODO
//Getters:
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 getCountry() {
return country;
}
public String getActors() {
return actors;
}
public String getAwards() {
return awards;
}
public String getDirector() {
return director;
}
public String getImdb_id() {
return imdb_id;
}
public String getImdb_votes() {
return imdb_votes;
}
public String getMetascore() {
return metascore;
}
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;
}
//Setters:
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 setImdb_rating(String imdb_rating) {
this.imdb_rating = imdb_rating;
}
public void setCountry(String country) {
this.country = country;
}
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 setMetascore(String metascore) {
this.metascore = metascore;
}
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;
}
} }
+63 -13
View File
@@ -103,10 +103,36 @@ public class MovieService {
* PUT ALL PARSING CODE INSIDE try-catch * 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 String jsonResponse = null;
// All parsing code must be inside try-catch
try { try {
// Your code here //Getting the JSON
jsonResponse = getMoviesByGenreList(genreId, page);
//Parsing the JSON
JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject();
JsonArray moviesArray = rootObject.getAsJsonArray("movies");
//Getting the number of movies
int total = rootObject.get("total").getAsInt();
//Getting the number of pages
int totalPages = rootObject.get("total_pages").getAsInt();
System.out.println("Total movies: " + total);
System.out.println("Total pages: " + totalPages);
for (JsonElement element : moviesArray) {
//Getting each element as a movie to read features
JsonObject movie = element.getAsJsonObject();
//Setting features
long id = movie.get("id").getAsLong();
String title = movie.get("title").getAsString();
int year = movie.get("year").getAsInt();
System.out.printf("ID: %d | %s (%d)%n", id, title, year);
}
} catch (Exception e) { } catch (Exception e) {
System.err.println("ERROR: " + e.getMessage()); System.err.println("ERROR: " + e.getMessage());
@@ -120,13 +146,19 @@ public class MovieService {
*/ */
private String getMovieById(Long movieId) { private String getMovieById(Long movieId) {
try { try {
// TODO: Complete this method //Building the URL
// String url = MOVIE_BY_ID_URL + movieId; 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()); //Building the request
// if (response.statusCode() == 200) return response.body(); HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build();
//Sending request and getting response
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
//Checking the response
if (response.statusCode() == 200) {return response.body();}
return null; //else
return null;
} catch (Exception e) { } catch (Exception e) {
System.out.println("!!Exception : " + e.getMessage()); System.out.println("!!Exception : " + e.getMessage());
} }
@@ -180,11 +212,29 @@ public class MovieService {
System.out.println("Failed to get movie details for ID: " + movieId); System.out.println("Failed to get movie details for ID: " + movieId);
return; return;
} }
try { try {
// TODO: Parse jsonResponse to JsonObject //TODO: Parse jsonResponse to JsonObject
// HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject() JsonObject jsonObject = JsonParser.parseString(jsonResponse).getAsJsonObject();
// TODO: use Gson to parse the json
// Your code here: //TODO: use Gson to parse the json
Gson gson = new Gson();
Movie movie = gson.fromJson(jsonResponse, Movie.class);
//Printing data:
System.out.println("\n===== Movie Details =====");
System.out.println("Title: " + movie.getTitle() + "(" + movie.getYear() + ")");
System.out.println("=========================");
System.out.println("Rating: " + movie.getImdb_rating() + " | Votes: " + movie.getImdb_votes());
System.out.println("Director: " + movie.getDirector() + " | Writer: " + movie.getWriter());
System.out.println("Cast: " + movie.getActors());
System.out.println("Genre: " + movie.getGenres());
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) { } catch (Exception e) {
System.err.println("ERROR parsing movie details: " + e.getMessage()); System.err.println("ERROR parsing movie details: " + e.getMessage());
} }