From 33d294a35bcffded3fa65db875c9e55191f22075 Mon Sep 17 00:00:00 2001
From: patricio <patoare@hotmail.com>
Date: Thu, 2 Jan 2025 15:09:33 +0100
Subject: [PATCH] Lab Done

---
 src/movies.js | 70 ++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 64 insertions(+), 6 deletions(-)

diff --git a/src/movies.js b/src/movies.js
index 1ad02ff68..67fb664bf 100644
--- a/src/movies.js
+++ b/src/movies.js
@@ -1,22 +1,80 @@
 // Iteration 1: All directors? - Get the array of all directors.
 // _Bonus_: It seems some of the directors had directed multiple movies so they will pop up multiple times in the array of directors.
 // How could you "clean" a bit this array and make it unified (without duplicates)?
-function getAllDirectors(moviesArray) {}
+/*{
+    "title": "The Shawshank Redemption",
+    "year": 1994,
+    "director": "Frank Darabont",
+    "duration": "2h 22min",
+    "genre": ["Crime","Drama"],
+    "score": 9.3
+  }
+*/
+function getAllDirectors(moviesArray) {
+   return moviesArray.map(currentMovie => {
+    currentMovie.director
+   })
+
+}
 
 // Iteration 2: Steven Spielberg. The best? - How many drama movies did STEVEN SPIELBERG direct?
-function howManyMovies(moviesArray) {}
+function howManyMovies(moviesArray) {
+    return moviesArray.filter(currentMovie => 
+        currentMovie.director === 'Steven Spielberg' && currentMovie.genre.includes('Drama')
+    ).length
+}
 
 // Iteration 3: All scores average - Get the average of all scores with 2 decimals
-function scoresAverage(moviesArray) {}
+function scoresAverage(moviesArray) {
+    if(moviesArray.length === 0) {
+return 0
+    }
+const scoreSum = (
+    moviesArray.reduce((accumulator, element)=> {
+        if(typeof element.score === 'number') {
+            return (accumulator + element.score)
+        } else {
+            return accumulator
+        }
+}, 0) / moviesArray.length)
+return parseFloat(scoreSum.toFixed(2))
+}
 
 // Iteration 4: Drama movies - Get the average of Drama Movies
-function dramaMoviesScore(moviesArray) {}
+function dramaMoviesScore(moviesArray) {
+ const dramaMovies = moviesArray.filter(currentMovie => currentMovie.genre.includes('Drama'))
+ if (dramaMovies.length === 0) {
+    return 0
+ }
+ const dramaAvg = (
+    dramaMovies.reduce((accumulator, element) =>{
+        if(typeof element.score === 'number') {
+            return (accumulator + element.score)
+        } else{
+            return accumulator
+        }
+    }, 0) / dramaMovies.length)
+    return parseFloat(dramaAvg.toFixed(2))
+}
 
 // Iteration 5: Ordering by year - Order by year, ascending (in growing order)
-function orderByYear(moviesArray) {}
+function orderByYear(moviesArray) {
+    return moviesArray.toSorted((a, b) => { 
+       const compare = a.year - b.year
+       if(compare === 0) {
+            return a.title.toLowerCase().localeCompare(b.title.toLowerCase())
+    } 
+        return compare
+})  
+}
+
 
 // Iteration 6: Alphabetic Order - Order by title and print the first 20 titles
-function orderAlphabetically(moviesArray) {}
+function orderAlphabetically(moviesArray) {
+   return moviesArray.map(currentMovie => currentMovie.title)
+   .toSorted((a, b) => 
+a.toLowerCase().localeCompare(b.toLowerCase())).splice(0, 20)
+}
 
 // BONUS - Iteration 7: Time Format - Turn duration of the movies from hours to minutes
 function turnHoursToMinutes(moviesArray) {}