Edit Bouns

This commit is contained in:
2026-04-24 17:31:09 +03:30
parent 3f60321091
commit c011ac665d
2 changed files with 58 additions and 78 deletions
+2 -6
View File
@@ -25,11 +25,8 @@ public class Main {
break; break;
case 3:
// TODO: Get page number from user, then call movieService.displayAllMovies()
break;
case 4: case 3:
// TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails() // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
@@ -61,8 +58,7 @@ public class Main {
System.out.println("================================"); System.out.println("================================");
System.out.println("1. Get all genres"); System.out.println("1. Get all genres");
System.out.println("2. Get movies by genre ID"); System.out.println("2. Get movies by genre ID");
System.out.println("3. Get all movies"); System.out.println("3. Get movie details by ID");
System.out.println("4. Get movie details by ID");
System.out.println("0. Exit"); System.out.println("0. Exit");
System.out.println("================================"); System.out.println("================================");
} }
+55 -71
View File
@@ -11,19 +11,13 @@ import java.net.http.HttpResponse;
import java.lang.reflect.Type; import java.lang.reflect.Type;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
import java.util.HashMap;
import java.util.Map;
public class MovieService { public class MovieService {
private final static String GENRES_URL = "https://api.meshcomp.ir/api/v1/genres"; private final static String GENRES_URL = "https://api.meshcomp.ir/api/v1/genres";
private final static String MOVIE_BY_ID_URL = "https://api.meshcomp.ir/api/v1/movies/";
private final static HttpClient client = HttpClient.newHttpClient(); private final static HttpClient client = HttpClient.newHttpClient();
private Map<Long, Movie> moviesCache = new HashMap<>();
private boolean isMoviesLoaded = false;
private int totalMovies = 0;
private int totalPages = 0;
private String getGenresList() { private String getGenresList() {
try { try {
HttpRequest request = HttpRequest.newBuilder() HttpRequest request = HttpRequest.newBuilder()
@@ -67,6 +61,7 @@ public class MovieService {
} }
public void displayGenres() { public void displayGenres() {
String jsonResponse = getGenresList(); String jsonResponse = getGenresList();
@@ -92,7 +87,6 @@ public class MovieService {
} }
} }
/** /**
* TODO 1: Display movies for a specific genre and page * TODO 1: Display movies for a specific genre and page
* *
@@ -120,85 +114,75 @@ public class MovieService {
/** /**
* TODO 2: Load all movies into cache (called automatically when needed) * BONUS: Fetch movie details from API using movie ID
* * URL format: https://api.meshcomp.ir/api/v1/movies/{movieId}
* Steps:
* - if (isMoviesLoaded) return; (already loaded)
* - Clear moviesCache
* - Get first page of genre 2 (Drama) to find total_pages
* - Loop through all pages (1 to total_pages)
* - For each page, get "movies" array
* - Extract: id, title, year, poster, genres array
* - For genres, loop and convert each string to Genre object
* - Store in moviesCache using id as key
* - Set isMoviesLoaded = true
*
* PUT ALL PARSING CODE INSIDE try-catch
*/ */
private void loadAllMovies() { private String getMovieById(Long movieId) {
// TODO: Write your code here
// All parsing code must be inside try-catch
try { try {
// Your code here // 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;
} catch (Exception e) { } catch (Exception e) {
System.err.println("ERROR loading movies: " + e.getMessage()); System.out.println("!!Exception : " + e.getMessage());
} }
return null;
} }
/** /**
* TODO 3: Display all movies with pagination * BONUS TODO: Display complete movie details for a given movie ID
* *
* Steps: * Expected JSON format from getMovieById():
* - Call loadAllMovies() first * {
* - Calculate total pages: (totalMovies + 9) / 10 * "id": 1,
* - Validate page number (1 to totalPages) * "title": "The Shawshank Redemption",
* - Calculate start and end index * "year": "1994",
* - Convert moviesCache.values() to List * "genres": ["Crime", "Drama"],
* - Loop from start to end and display: "ID: {id} | {title} ({year})" * "poster": "https://moviesapi.ir/images/tt0111161_poster.jpg",
* "country": "USA",
* "imdb_rating": "9.3"
* }
* *
* loadAllMovies() already has try-catch inside * INSTRUCTIONS:
*/ * 1. Call getMovieById(movieId) to get the JSON response
public void displayAllMovies(int page) { * 2. Check if response is null (if yes, print error and return)
// TODO: Write your code here * 3. Parse the JSON string to JsonObject (inside try-catch)
// loadAllMovies() already has try-catch * 4. Extract all fields: id, title, year, genres array, poster, country, imdb_rating
// Your display logic here * 5. Convert genres array to comma-separated string
} * 6. Print all movie details in a readable format
/**
* TODO 4 (BONUS): Display movie details by ID
* *
* Steps: * PUT ALL PARSING CODE INSIDE THE EXISTING try-catch
* - Call loadAllMovies() first
* - Get movie from moviesCache using movieId
* - If movie is null, print "Movie not found"
* - Otherwise print: ID, Title, Year, Genres, Poster
* *
* loadAllMovies() already has try-catch inside * @param movieId The ID of the movie to display
*/ */
public void displayMovieDetails(Long movieId) { public void displayMovieDetails(Long movieId) {
// TODO: Write your code here (BONUS) // Step 1: Get JSON response from API
// loadAllMovies() already has try-catch String jsonResponse = getMovieById(movieId);
// Your display logic here
}
private String getGenresString(List<Genre> genres) { // Step 2: Check if we got valid data
if (genres == null || genres.isEmpty()) { if (jsonResponse == null) {
return "No genres"; System.out.println("Failed to get movie details for ID: " + movieId);
return;
} }
StringBuilder sb = new StringBuilder();
for (int i = 0; i < genres.size(); i++) {
sb.append(genres.get(i).getName());
if (i < genres.size() - 1) {
sb.append(", ");
}
}
return sb.toString();
}
public int getTotalMovies() { // Step 3-6: Parse JSON and display details (PUT YOUR CODE INSIDE try-catch)
return totalMovies; try {
// TODO: Parse jsonResponse to JsonObject
// TODO: Extract id, title, year, genres array, poster, country, imdb_rating
// TODO: Convert genres array to a readable string
// TODO: Print all movie details
// HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject()
// HINT: Use getAsJsonArray("genres") to get genres
// HINT: For each genre, use getAsString()
// Your code here:
} catch (Exception e) {
System.err.println("ERROR parsing movie details: " + e.getMessage());
}
} }
} }