Can delete the posts that uses a given movie

src/helpers/PostsHelper.ts

@@ -9,6 +9,7 @@ import { LikesHelper, LikesType } from "./LikesHelper";
 import { CommentsHelper } from "./CommentsHelper";
 import { existsSync, unlinkSync } from "fs";
 import { SurveyHelper } from "./SurveyHelper";
+import { Movie } from "../entities/Movie";
 
 /**
  * Posts helper
@@ -374,6 +375,30 @@ export class PostsHelper {
 		return list.map((l) => this.DBToPost(l));
 	}
 
+	/**
+	 * Get the list of posts that uses a certain movie
+	 * 
+	 * @param movie Information about the target movie
+	 */
+	private static async GetPostsForMovie(movie: Movie) : Promise<Post[]> {
+		return (await DatabaseHelper.Query({
+			table: TABLE_NAME,
+			where: {
+				idvideo: movie.id
+			}
+		})).map(this.DBToPost)
+	}
+
+	/**
+	 * Delete all the posts that includes a given movie
+	 * 
+	 * @param movie Information about the target movie
+	 */
+	public static async DeleteAllWithMovie(movie: Movie) {
+		for(const post of await this.GetPostsForMovie(movie))
+			await this.Delete(post.id);
+	}
+
 	/**
 	 * Delete all the posts of a given user
 	 *