add exercise 8

Author: vuksa

.idea/runConfigurations/Run_All_tests_in_Execise_8.xml

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+package exercise8
+
+/**
+ * Task: Write a MovieDB class that implements the MovieDBApi interface.
+ *
+ * Define a constructor of MovieDB class which accepts the list of movies as parameter.
+ *
+ * Implement methods defined by MovieDBApi.
+ *
+ */

src/main/kotlin/exercise8/MovieDB.kt

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+package exercise8
+
+import java.time.LocalDate
+
+/**
+ * Represents a movie director.
+ *
+ * @property name The name of the movie director.
+ */
+data class MovieDirector(val name: String)
+
+/**
+ * Represents a movie actor.
+ *
+ * @property name The name of the actor.
+ */
+data class MovieActor(val name: String)
+
+/**
+ * Represents a Movie.
+ *
+ * @property title The title of the movie.
+ * @property budget The budget of the movie in dollars.
+ * @property revenue The revenue of the movie in dollars.
+ * @property releaseDate The release date of the movie.
+ * @property runtimeInMinutes The runtime of the movie in minutes.
+ * @property director The director of the movie.
+ * @property genres The genres of the movie.
+ * @property actors The actors in the movie.
+ * @property rating The rating of the movie.
+ */
+data class Movie(
+    val title: String,
+    val budget: Long,
+    val revenue: Long,
+    val releaseDate: LocalDate,
+    val runtimeInMinutes: Int,
+    val director: MovieDirector,
+    val genres: List<String>,
+    val actors: List<MovieActor>,
+    val rating: Double
+)
+
+interface MovieDBApi {
+    /**
+     *
+     * Retrieves a list of all movies that feature the given actor.
+     *
+     * @param actor The actor to search for.
+     * @return A list of movies that feature the given actor.
+     */
+    fun getAllMoviesByActor(actor: MovieActor): List<Movie>
+
+    /**
+     * Retrieves a list of movies with the best profits.
+     *
+     * Movie profits are calculated by deducting revenue from its budget.
+     *
+     * @param numOfMovies The number of movies to retrieve.
+     * @return A list of movies with the best earnings.
+     */
+    fun getMoviesWithBiggestProfit(numOfMovies: Int): List<Movie>
+
+    /**
+     * Retrieves the best-rated movie featuring the given actor.
+     *
+     * @param actor The actor to search for.
+     * @return The best-rated movie featuring the given actor, or null if no movie is found.
+     */
+    fun getBestRatedMovieByActor(actor: MovieActor): Movie?
+
+    /**
+     * Retrieves a list of all movies released in the specified year.
+     *
+     * @param year The year of release.
+     * @return A list of movies released in the specified year.
+     */
+    fun getAllMoviesByYear(year: Int): List<Movie>
+
+    /**
+     * Retrieves a list of all movies that belong to the given genre.
+     *
+     * @param genre The genre to search for.
+     * @return A list of movies that belong to the given genre.
+     */
+    fun getAllMoviesByGenre(genre: String): List<Movie>
+
+    /**
+     * Retrieves a list of the best-rated movies.
+     *
+     * The best-rated movies are determined by their rating, with the highest-rated movies appearing first.
+     *
+     * @param numOfMovies The number of movies to retrieve.
+     * @return A list of the best-rated movies.
+     */
+    fun getBestRatedMovies(numOfMovies: Int): List<Movie>
+
+    /**
+     * Retrieves the movie director who has directed the most movies.
+     *
+     * @return The movie director with the most movies directed.
+     */
+    fun getDirectorWithMostMoviesDirected(): MovieDirector
+
+    /**
+     * Retrieves a list of actor pairs who have the most movies they acted in together.
+     *
+     * @return A list of MovieActor objects representing the actors with the most costarred movies.
+     */
+    fun getActorsWithMostCostarredMovies(): List<Pair<MovieActor, MovieActor>>
+}
+

src/main/kotlin/exercise8/MovieDBApi.kt

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+package exercise8
+
+import common.FileReader
+
+
+private fun parseMovies(moviesLines: List<String>): List<Movie> {
+    TODO("Implement parsing of the file content")
+}
+
+fun main() {
+    val moviesCSVFile = FileReader.readFileInResources("exercise8/movies.csv")
+    val movies = parseMovies(moviesCSVFile)
+
+    val movieDBApi : MovieDBApi = TODO("Instantiate MovieDB")
+}