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Merge pull request 'Complete project implementation: Movie updates, Rational completes, main improvement' (#1) from develop into main

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Reviewed-on: #1
This commit was merged in pull request #1.
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Sadra3st
2026-05-03 10:43:06 +00:00
parent 6a01e43eb2 0c73eb7f6a
commit c0bae64b94
4 changed files with 313 additions and 32 deletions
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src/main/java/Rational/Rational.java
+22 -14
View File
@@ -54,42 +54,50 @@ 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
int newNumerator = r1.numerator * r2.denominator - r2.numerator * r1.denominator;
int newDenominator = r1.denominator * r2.denominator;
return new Rational(newNumerator, newDenominator);
}
// 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
int newNumerator = r1.numerator * r2.numerator;
int newDenominator = r1.denominator * r2.denominator;
return new Rational(newNumerator, newDenominator);
}
// 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("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
int newNumerator = r1.numerator * r2.denominator;
int newDenominator = r1.denominator * r2.numerator;
return new Rational(newNumerator, newDenominator);
}
// PROVIDED - String representation
src/main/java/movie/apis/Main.java
+5 -4
View File
@@ -22,14 +22,16 @@ public class Main {
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:
@@ -45,7 +47,6 @@ public class Main {
if (running) {
System.out.println("\nPress Enter to continue...");
scanner.nextLine();
scanner.nextLine();
}
}
src/main/java/movie/apis/Movie.java
+206
View File
@@ -13,12 +13,218 @@ public class Movie {
private List<String> genres;
private List<String> images;
private String year;
private String imdb_id;
private String imdb_votes;
private String imdb_rating;
private String country;
private String director;
private String actors;
private String awards;
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
public Movie() {
// for Gson
}
public Movie(Long id, String title, List<String> genres, List<String> images, String year,
String imdb_id, String imdb_votes, String imdb_rating,
String country, String director, String actors,
String awards, 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_id = imdb_id;
this.imdb_votes = imdb_votes;
this.imdb_rating = imdb_rating;
this.country = country;
this.director = director;
this.actors = actors;
this.awards = awards;
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
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 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_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 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 String getDirector() {
return director;
}
public void setDirector(String director) {
this.director = director;
}
public String getActors() {
return actors;
}
public void setActors(String actors) {
this.actors = actors;
}
public String getAwards() {
return awards;
}
public void setAwards(String awards) {
this.awards = awards;
}
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;
}
}
src/main/java/movie/apis/MovieService.java
+80 -14
View File
@@ -103,10 +103,33 @@ 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
String moviesString = getMoviesByGenreList(genreId, page);
if (moviesString == null) {
System.out.println("fail to get movies");
return;
}
try {
// Your code here
JsonObject moviesObject = JsonParser.parseString(moviesString).getAsJsonObject();
JsonArray moviesArray = moviesObject.getAsJsonArray("movies");
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 + ")");
}
// Print total and total_pages
long total = moviesObject.get("total").getAsLong();
long totalPages = moviesObject.get("total_pages").getAsLong();
System.out.println("Total: " + total);
System.out.println("Total Pages: " + totalPages);
} catch (Exception e) {
System.err.println("ERROR: " + e.getMessage());
@@ -121,12 +144,13 @@ 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("Error: " + response.statusCode());
}
} catch (Exception e) {
System.out.println("!!Exception : " + e.getMessage());
}
@@ -175,16 +199,58 @@ public class MovieService {
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;
}
// Step 3-5: Parse JSON and display details
try {
// TODO: Parse jsonResponse to JsonObject
// HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject()
// TODO: use Gson to parse the json
// Your code here:
Gson gson = new Gson();
Movie movie = gson.fromJson(jsonResponse, Movie.class);
String title = movie.getTitle();
String year = movie.getYear();
String director = movie.getDirector();
String actors = movie.getActors();
String genres = "";
if (movie.getGenres() != null && !movie.getGenres().isEmpty()) {
genres = String.join(", ", movie.getGenres());
}
String imdbRating = movie.getImdb_rating();
String imdbVotes = movie.getImdb_votes();
System.out.println("=======================================================================");
System.out.println(" " + title + " (" + year + ")");
System.out.println("=======================================================================");
System.out.println("Rating: " + imdbRating + "/10 | Votes: " + imdbVotes);
System.out.println("Director: " + director);
System.out.println("Cast: " + actors);
if (!genres.isEmpty()) System.out.println("Genre: " + genres);
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());
if (movie.getMetascore() != null) {
System.out.println("Metascore: " + movie.getMetascore());
}
if (movie.getType() != null) {
System.out.println("Type: " + movie.getType());
}
if (movie.getWriter() != null) {
System.out.println("Writer: " + movie.getWriter());
}
if (movie.getImdb_id() != null) {
System.out.println("IMDB ID: " + movie.getImdb_id());
}
System.out.println("=======================================================================");
} catch (Exception e) {
System.err.println("ERROR parsing movie details: " + e.getMessage());
}