CREATE OR REPLACE VIEW optimized_books AS
SELECT
    b.date_finished,
    EXTRACT(YEAR FROM b.date_finished) AS year,
    b.author,
    b.description,
    b.title,
    b.progress,
    b.read_status AS status,
    b.star_rating AS rating,
    b.review,
    b.slug AS url,
    CONCAT('/', df.filename_disk) AS image,
    b.favorite,
    b.tattoo,

    (
      SELECT array_agg(t.name)
      FROM books_tags bt
      LEFT JOIN tags t ON bt.tags_id = t.id
      WHERE bt.books_id = b.id
    ) AS tags,

    (
      SELECT json_agg(json_build_object(
          'name', a.name_string,
          'url', a.slug,
          'country', a.country,
          'total_plays', a.total_plays
      ))
      FROM books_artists ba
      LEFT JOIN artists a ON ba.artists_id = a.id
      WHERE ba.books_id = b.id
    ) AS artists,

    (
      SELECT json_agg(json_build_object(
          'title', m.title,
          'year', m.year,
          'url', m.slug
      ))
      FROM movies_books mb
      LEFT JOIN movies m ON mb.movies_id = m.id
      WHERE mb.books_id = b.id
    ) AS movies,

    (
      SELECT json_agg(json_build_object(
          'name', g.name,
          'url', g.slug
      ))
      FROM genres_books gb
      LEFT JOIN genres g ON gb.genres_id = g.id
      WHERE gb.books_id = b.id
    ) AS genres,

    (
      SELECT json_agg(json_build_object(
          'title', s.title,
          'year', s.year,
          'url', s.slug
      ))
      FROM shows_books sb
      LEFT JOIN shows s ON sb.shows_id = s.id
      WHERE sb.books_id = b.id
    ) AS shows,

    (
      SELECT json_agg(json_build_object(
          'title', p.title,
          'date', p.date,
          'url', p.slug
      ) ORDER BY p.date DESC)
      FROM posts_books pb
      LEFT JOIN posts p ON pb.posts_id = p.id
      WHERE pb.books_id = b.id
    ) AS posts,

    (
      SELECT json_agg(json_build_object(
          'title', rb.title,
          'author', rb.author,
          'url', rb.slug
      ) ORDER BY rb.title)
      FROM related_books rbk
      LEFT JOIN books rb ON rbk.related_books_id = rb.id
      WHERE rbk.books_id = b.id
    ) AS related_books,

    json_build_object(
        'title', CONCAT(b.title, ' by ', b.author),
        'image', CONCAT('/', df.filename_disk),
        'url', b.slug,
        'alt', CONCAT(b.title, ' by ', b.author),
        'subtext',
            CASE
                WHEN b.star_rating IS NOT NULL
                THEN b.star_rating
                ELSE NULL
            END
    ) AS grid,

    CASE
        WHEN LOWER(b.read_status) = 'finished' AND b.star_rating IS NOT NULL THEN json_build_object(
            'title', b.title,
            'url', CONCAT('https://coryd.dev', b.slug),
            'date', b.date_finished,
            'description', b.description,
            'image', CONCAT('/', df.filename_disk),
            'rating', b.star_rating
        )
        ELSE NULL
    END AS feed

FROM
    books b
LEFT JOIN
    directus_files df ON b.art = df.id
GROUP BY
    b.id, df.filename_disk;