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Merge PR 'the movie project' (#1) from develop into main: Full Mark 100/100

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Full Mark 100/100
This commit was merged in pull request #1.
This commit is contained in:
MehrdadShirvani
2026-05-15 13:34:59 +00:00
parent 5473658dc8 b56fcd2171
commit a74ec73d25
4 changed files with 159 additions and 35 deletions
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src/main/java/Rational/Rational.java
+17 -14
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@@ -54,42 +54,45 @@ 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 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) {
// YOUR CODE HERE
return null; // Remove this line when implemented
return r1.divide(r2);
}
// PROVIDED - String representation
src/main/java/movie/apis/Main.java
+5 -5
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@@ -21,15 +21,15 @@ public class Main {
break;
case 2:
// TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
long generid = getLongInput("Enter gener ID : ");
long page = getLongInput("Enter page : ");
movieService.displayMoviesByGenre(generid , 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:
src/main/java/movie/apis/Movie.java
+72 -6
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@@ -10,15 +10,81 @@ 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;
// TODO: Create a constructor with all fields
public Movie(Long id, String title, String year, List<String> genres, List<String> images, String country, String imdb_rating){
this.id = id;
this.country = country;
this.title = title;
this.year = year;
this.images = images;
this.imdb_rating = this.imdb_rating;
}
// 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 getYear(){
return year;
}
public void setYear(String year){
this.year = year;
}
public String getCountry(){
return country;
}
public void setCountry(String country){
this.country = country;
}
public String getImdb_rating(){
return imdb_rating;
}
public void setImdb_rating(String imdb_rating){
this.imdb_rating = imdb_rating;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public List<String> getImages() {
return images;
}
public void setImages(List<String> images) {
this.images = images;
}
public List<String> getGenres(){
return genres;
}
public void setGenres(List<String> genres){
this.genres = genres;
}
}
src/main/java/movie/apis/MovieService.java
+64 -9
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@@ -102,10 +102,38 @@ 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
try {
// Your code here
String jsonResponse = getMoviesByGenreList(genreId , page);
if(jsonResponse == null){
System.out.println("Failed to get movies for this gener");
return;
}
JsonObject root = JsonParser.parseString(jsonResponse).getAsJsonObject();
JsonArray moviesArray = root.getAsJsonArray("movies");
if(moviesArray == null || moviesArray.isEmpty()){
System.out.println("No Movie found");
return;
}
System.out.println("\nMOVIES LIST (Gener ID :" + genreId + ", Page :" + page + "):");
for(JsonElement movieElement : moviesArray){
JsonObject movieObj = movieElement.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 + ")");
}
int total = root.get("total").getAsInt();
int totalPage = root.get("total_pages").getAsInt();
System.out.println("Total Movies : " + total);
System.out.println("Total Pages : " + totalPage);
} catch (Exception e) {
System.err.println("ERROR: " + e.getMessage());
@@ -120,12 +148,14 @@ 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();
return null;
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;
}
} catch (Exception e) {
System.out.println("!!Exception : " + e.getMessage());
}
@@ -179,8 +209,33 @@ public class MovieService {
// HINT: For each genre, use getAsString()
// Your code here:
JsonObject movieObj = JsonParser.parseString(jsonResponse).getAsJsonObject();
if(movieObj == null){
System.out.println("Movie not foud!");
return;
}
long id = movieObj.get("id").getAsLong();
String title = movieObj.get("title").getAsString();
String year = movieObj.get("year").getAsString();
String poster = movieObj.get("poster").getAsString();
String country = movieObj.get("country").getAsString();
String imdb_rating = movieObj.get("imdb_rating").getAsString();
JsonArray genresArray = movieObj.get("genres").getAsJsonArray();
List<String> genreList = new ArrayList<>();
for(JsonElement g : genresArray){
genreList.add(g.getAsString());
}
System.out.println("\nMOVIE DETAILS: ");
System.out.println("ID: "+ id);
System.out.println("Title: "+ title);
System.out.println("Year: " + year);
System.out.println("Country: " + country);
System.out.println("imdb_rating: " + imdb_rating);
System.out.println("Genres: " + genreList);
System.out.println("Poster: " + poster);
} catch (Exception e) {
System.err.println("ERROR parsing movie details: " + e.getMessage());
}