Implement functions in learn-sequelize.js

learn-sequelize.js

@@ -6,8 +6,12 @@ const { Genre, Movie, Actor } = require("./models");
   - add one more Genre of your choice
   - duplicate entries are not allowed (try it to learn about errors)
 */
-function insertNewGenre() {
-  // Add code here
+async function insertNewGenre() {
+  try {
+    await Genre.create({ name: "Sci-Fi" });
+  } catch (error) {
+    console.error("Error inserting new genre:", error);
+  }
 }
 
 /*
@@ -16,46 +20,76 @@ function insertNewGenre() {
   - add one more Movie of your choice.
   - the movie CANNOT be from year 2008 (try it to learn about errors)
 */
-function insertNewMovie() {
-  // Add code here
+async function insertNewMovie() {
+  try {
+    await Movie.create({ title: "Inception", year: 2010 });
+  } catch (error) {
+    console.error("Error inserting new movie:", error);
+  }
 }
 
 /*
   Write a function that returns the title of the movie with ID=2
 */
-function getMovieWithId2() {
-  // Add code here
+async function getMovieWithId2() {
+  try {
+    const movie = await Movie.findByPk(2);
+    return movie ? movie.title : null;
+  } catch (error) {
+    console.error("Error getting movie with ID 2:", error);
+  }
 }
 
 /*
   Write a function that returns an array of all the actor names
 */
-function getAllActors() {
-  // Add code here
+async function getAllActors() {
+  try {
+    const actors = await Actor.findAll();
+    return actors.map((actor) => actor.name);
+  } catch (error) {
+    console.error("Error getting all actors:", error);
+  }
 }
 
+
 /*
   Write a function that returns an array of all the movie titles from 2008
 */
-function getAllMoviesFrom2008() {
-  // Add code here
+async function getAllMoviesFrom2008() {
+  try {
+    const movies = await Movie.findAll({ where: { year: 2008 } });
+    return movies.map((movie) => movie.title);
+  } catch (error) {
+    console.error("Error getting movies from 2008:", error);
+  }
 }
-
 /*
   Write a function that deletes the genre you added in the first function: insertNewGenre()
 */
-function deleteGenreYouAdded() {
-  // Add code here
+async function deleteGenreYouAdded() {
+  try {
+    await Genre.destroy({ where: { name: "Sci-Fi" } });
+  } catch (error) {
+    console.error("Error deleting genre:", error);
+  }
 }
-
 /*
   Write a function that associates:
   - the actor "Rosario Dawson" with the movie "Eagle Eye"
   - the actor and movie record already exist in the database
   - add the association record to the database
 */
-function associateRosarioToEagleEye() {
-  // Add code here
+async function associateRosarioToEagleEye() {
+  try {
+    const actor = await Actor.findOne({ where: { name: "Rosario Dawson" } });
+    const movie = await Movie.findOne({ where: { title: "Eagle Eye" } });
+    if (actor && movie) {
+      await movie.addActor(actor);
+    }
+  } catch (error) {
+    console.error("Error associating Rosario to Eagle Eye:", error);
+  }
 }
 
 /*
@@ -65,7 +99,15 @@ function associateRosarioToEagleEye() {
   - add the association record to the database
 */
 async function associateRobertToTropicThunder() {
-  // Add code here
+  try {
+    const actor = await Actor.findOne({ where: { name: "Robert Downey Jr." } });
+    const movie = await Movie.findOne({ where: { title: "Tropic Thunder" } });
+    if (actor && movie) {
+      await movie.addActor(actor);
+    }
+  } catch (error) {
+    console.error("Error associating Robert to Tropic Thunder:", error);
+  }
 }
 
 module.exports = {