mid module 2

index.js

@@ -30,8 +30,21 @@ const exampleMovies = require("./movies");
       "James and the Giant Peach",
     ];
  */
-function getAllMovieTitles() {}
+function getAllMovieTitles(movies) {
+  if(movies.length === 0){
+    throw Error
+  }
+  let allTitles = movies.map((movie) => {
+    return movie.title
+  })
+  return allTitles
+}
 
+
+
+//use .map
+// throw an error
+// return aray of all titles
 /**
  * checkIfAnyMovieHasRating()
  * -----------------------------
@@ -50,7 +63,19 @@ function getAllMovieTitles() {}
  *  checkIfAnyMovieHasRating(movies, "R");
  *  //> false
  */
-function checkIfAnyMovieHasRating() {}
+function checkIfAnyMovieHasRating(movies, rating = 'G') {
+  if(movies.length === 0) throw Error
+  let ratingCheck = movies.some((movie) => {
+    return movie.rated === rating
+  })
+  return ratingCheck
+}
+
+
+
+// use .some() & default param
+// throws error
+// returns boolean
 
 /**
  * findById()
@@ -68,8 +93,19 @@ function checkIfAnyMovieHasRating() {}
       // Toy Story 4
     };
  */
-function findById() {}
+function findById(movies, id) {
+  if(movies.length === 0) throw Error
 
+  let foundBy = movies.find((movie) => {
+    //if(movie.imdbID !== id) return null
+    return movie.imdbID === id
+  })
+  return foundBy
+}
+
+
+//use.find()
+// throws error & null
 /**
  * filterByGenre()
  * -----------------------------
@@ -92,7 +128,16 @@ function findById() {}
  *  filterByGenre(movies, "Horror")
  *  //> []
  */
-function filterByGenre() {}
+function filterByGenre(movies, genre) {
+  if(movies.length === 0) throw Error
+
+  let genreMatching = movies.filter((movie) => {
+    return movie.genre.includes(genre)
+  })
+  return genreMatching
+}
+
+
 
 /**
  * getAllMoviesReleasedAtOrBeforeYear()
@@ -118,7 +163,13 @@ function filterByGenre() {}
       }
     ];
  */
-function getAllMoviesReleasedAtOrBeforeYear() {}
+function getAllMoviesReleasedAtOrBeforeYear(movies, year) {
+  if(movies.length === 0) throw Error
+
+  let moviesBefore = movies.filter((movie) => movie.released.slice(7) <= year)
+
+  return moviesBefore
+}
 
 /**
  * checkMinMetascores()
@@ -134,7 +185,14 @@ function getAllMoviesReleasedAtOrBeforeYear() {}
  *  checkMinMetascores(movies, 90));
  *  //>  false
  */
-function checkMinMetascores() {}
+function checkMinMetascores(movies, metascore) {
+  if(movies.length === 0) return Error
+
+  let minMeta = movies.every((movie) => {
+    return movie.metascore >= metascore
+  })
+  return minMeta
+}
 
 /**
  * getRottenTomatoesScoreByMovie()
@@ -160,8 +218,26 @@ function checkMinMetascores() {}
       { "James and the Giant Peach": "91%" },
     ];
  */
-function getRottenTomatoesScoreByMovie() {}
+function getRottenTomatoesScoreByMovie(movies) {
+  if(movies.length === 0) throw Error
+
+  let finalObject = movies.map((movie) => {
+
+
+  })
+  return finalObject
+
+}
+
+
+
+
+
 
+// use map() and find()
+// throws error
+// return an object {[movie.title] : }
+// use to find() on rotten tomatoes
 // Do not change anything below this line.
 module.exports = {
   getAllMovieTitles,