Neo4j Cypher - Generate Blog Article and Category with Relationships From any Blog Feed

CreateArticleCategoryGraphFromBlog.cypher

CALL apoc.load.xml("https://www.starwars.com/news/feed", "rss/channel/item")
YIELD value
WITH [child in value._children WHERE child._type = "title" | child._text][0] AS title,
     [child in value._children WHERE child._type = "link" | child._text][0] AS guid,
     apoc.text.regreplace(
       [child in value._children WHERE child._type = "description" | child._text][0],
       '<[^>]*>',
       ' '
     ) AS body,
     [child in value._children WHERE child._type = "category" | child._text] AS categories
MERGE (a:Article {id: guid})
SET a.body = body, a.title = title, a.blog = "StarWars.com"
WITH a, categories
CALL {
  WITH a, categories
  UNWIND categories AS category
  MERGE (c:Category {name: category})
  MERGE (a)-[:IN_CATEGORY]->(c)
  RETURN count(*) AS categoryCount
}
RETURN a.id AS articleId, a.title AS title, categoryCount;