You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: fantia.rb
    path of file: ./repos/danbooru/app/logical/source/url
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

# Unhandled:
#
# https://fantia.jp/commissions/64988
# https://fantia.jp/profiles/tus_2n9n0fm05fizg

class Source::URL::Fantia < Source::URL
  attr_reader :full_image_url, :fanclub_id, :username, :post_id, :product_id

  def self.match?(url)
    url.domain == "fantia.jp"
  end

  def parse
    case [host, *path_segments]

    # posts:
    # https://c.fantia.jp/uploads/post/file/1070093/main_16faf0b1-58d8-4aac-9e86-b243063eaaf1.jpeg (sample)
    # https://c.fantia.jp/uploads/post/file/1070093/16faf0b1-58d8-4aac-9e86-b243063eaaf1.jpeg
    # https://cc.fantia.jp/uploads/post_content_photo/file/4563389/main_a9763427-3ccd-4e51-bcde-ff5e1ce0aa56.jpg?Key-Pair-Id=APKAIOCKYZS7WKBB6G7A&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9jYy5mYW50aWEuanAvdXBsb2Fkcy9wb3N0X2NvbnRlbnRfcGhvdG8vZmlsZS80NTYzMzg5L21haW5fYTk3NjM0MjctM2NjZC00ZTUxLWJjZGUtZmY1ZTFjZTBhYTU2LmpwZyIsIkNvbmRpdGlvbiI6eyJEYXRlTGVzc1RoYW4iOnsiQVdTOkVwb2NoVGltZSI6MTY0NjkxMzk3OH19fV19&Signature=jyW5ankfO9uCHlKkozYU9RPpO3jzKTW2HuyXgS81i~cRgrXcI9orYU0IXuiit~0TznIyXbB7F~6Z790t7lX948PYAb9luYIREJC2u7pRMP3OBbsANbbFE0o4VR-6O3ZKbYQ4aG~ofVEZfiFVGoKoVtdJxj0bBNQV29eeFylGQATkFmywne1YMtJMqDirRBFMIatqNuunGsiWCQHqLYNHCeS4dZXlOnV8JQq0u1rPkeAQBmDCStFMA5ywjnWTfSZK7RN6RXKCAsMTXTl5X~I6EZASUPoGQy2vHUj5I-veffACg46jpvqTv6mLjQEw8JG~JLIOrZazKZR9O2kIoLNVGQ__
    # from file download: https://cc.fantia.jp/uploads/post_content/file/1830956/cbcdfcbe_20220224_120_040_100.png?Key-Pair-Id=APKAIOCKYZS7WKBB6G7A&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9jYy5mYW50aWEuanAvdXBsb2Fkcy9wb3N0X2NvbnRlbnQvZmlsZS8xODMwOTU2L2NiY2RmY2JlXzIwMjIwMjI0XzEyMF8wNDBfMTAwLnBuZyIsIkNvbmRpdGlvbiI6eyJEYXRlTGVzc1RoYW4iOnsiQVdTOkVwb2NoVGltZSI6MTY0NjkxNDU4Nn19fV19&Signature=d1nw8gs9vcshIAeEH4oESm9-7z6y4A7MfoIRRvtUtV9iqTNA8KM0ORuCI7NwEoYc1VHsxy9ByeuSBpNaJoknnc3TOmHFhVRcLn~OWpnWqiHEPpMcSEG7uGlorysjEPmYYRGHjE7LJYcWiiJxjZ~fSBbYzxxwsjroPm-fyGUtNhdJWEMNp52vHe5P9KErb7M8tP01toekGdOqO-pkWm1t9xm2Tp5P7RWcbtQPOixgG4UgOhE0f3LVwHGHYJV~-lB5RjrDbTTO3ezVi7I7ybZjjHotVUK5MbHHmXzC1NqI-VN3vHddTwTbTK9xEnPMR27NHSlho3-O18WcNs1YgKD48w__
    #
    # products:
    # https://c.fantia.jp/uploads/product/image/249638/main_fd5aef8f-c217-49d0-83e8-289efb33dfc4.jpg
    # https://c.fantia.jp/uploads/product_image/file/219407/main_bd7419c2-2450-4c53-a28a-90101fa466ab.jpg (sample)
    # https://c.fantia.jp/uploads/product_image/file/219407/bd7419c2-2450-4c53-a28a-90101fa466ab.jpg
    in _, "uploads", image_type, ("file" | "image"), image_id, /(?:\w+_)?([\w-]+\.\w+)/ => file
      #  post_id/product_id == image_id only for the first image in a post/product
      case image_type
      when "post"
        @post_id = image_id
        @full_image_url = "https://c.fantia.jp/uploads/post/file/#{@post_id}/#{$1}"
      when "product"
        @product_id = image_id
        @full_image_url = "https://c.fantia.jp/uploads/product/ima
    
  def parse
    case [host, *path_segments]

    # posts:
    # https://c.fantia.jp/uploads/post/file/1070093/main_16faf0b1-58d8-4aac-9e86-b243063eaaf1.jpeg (sample)
    # https://c.fantia.jp/uploads/post/file/1070093/16faf0b1-58d8-4aac-9e86-b243063eaaf1.jpeg
    # https://cc.fantia.jp/uploads/post_content_photo/file/4563389/main_a9763427-3ccd-4e51-bcde-ff5e1ce0aa56.jpg?Key-Pair-Id=APKAIOCKYZS7WKBB6G7A&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9jYy5mYW50aWEuanAvdXBsb2Fkcy9wb3N0X2NvbnRlbnRfcGhvdG8vZmlsZS80NTYzMzg5L21haW5fYTk3NjM0MjctM2NjZC00ZTUxLWJjZGUtZmY1ZTFjZTBhYTU2LmpwZyIsIkNvbmRpdGlvbiI6eyJEYXRlTGVzc1RoYW4iOnsiQVdTOkVwb2NoVGltZSI6MTY0NjkxMzk3OH19fV19&Signature=jyW5ankfO9uCHlKkozYU9RPpO3jzKTW2HuyXgS81i~cRgrXcI9orYU0IXuiit~0TznIyXbB7F~6Z790t7lX948PYAb9luYIREJC2u7pRMP3OBbsANbbFE0o4VR-6O3ZKbYQ4aG~ofVEZfiFVGoKoVtdJxj0bBNQV29eeFylGQATkFmywne1YMtJMqDirRBFMIatqNuunGsiWCQHqLYNHCeS4dZXlOnV8JQq0u1rPkeAQBmDCStFMA5ywjnWTfSZK7RN6RXKCAsMTXTl5X~I6EZASUPoGQy2vHUj5I-veffACg46jpvqTv6mLjQEw8JG~JLIOrZazKZR9O2kIoLNVGQ__
    # from file download: https://cc.fantia.jp/uploads/post_content/file/1830956/cbcdfcbe_20220224_120_040_100.png?Key-Pair-Id=APKAIOCKYZS7WKBB6G7A&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9jYy5mYW50aWEuanAvdXBsb2Fkcy9wb3N0X2NvbnRlbnQvZmlsZS8xODMwOTU2L2NiY2RmY2JlXzIwMjIwMjI0XzEyMF8wNDBfMTAwLnBuZyIsIkNvbmRpdGlvbiI6eyJEYXRlTGVzc1RoYW4iOnsiQVdTOkVwb2NoVGltZSI6MTY0NjkxNDU4Nn19fV19&Signature=d1nw8gs9vcshIAeEH4oESm9-7z6y4A7MfoIRRvtUtV9iqTNA8KM0ORuCI7NwEoYc1VHsxy9ByeuSBpNaJoknnc3TOmHFhVRcLn~OWpnWqiHEPpMcSEG7uGlorysjEPmYYRGHjE7LJYcWiiJxjZ~fSBbYzxxwsjroPm-fyGUtNhdJWEMNp52vHe5P9KErb7M8tP01toekGdOqO-pkWm1t9xm2Tp5P7RWcbtQPOixgG4UgOhE0f3LVwHGHYJV~-lB5RjrDbTTO3ezVi7I7ybZjjHotVUK5MbHHmXzC1NqI-VN3vHddTwTbTK9xEnPMR27NHSlho3-O18WcNs1YgKD48w__
    #
    # products:
    # https://c.fantia.jp/uploads/product/image/249638/main_fd5aef8f-c217-49d0-83e8-289efb33dfc4.jpg
    # https://c.fantia.jp/uploads/product_image/file/219407/main_bd7419c2-2450-4c53-a28a-90101fa466ab.jpg (sample)
    # https://c.fantia.jp/uploads/product_image/file/219407/bd7419c2-2450-4c53-a28a-90101fa466ab.jpg
    in _, "uploads", image_type, ("file" | "image"), image_id, /(?:\w+_)?([\w-]+\.\w+)/ => file
      #  post_id/product_id == image_id only for the first image in a post/product
      case image_type
      when "post"
        @post_id = image_id
        @full_image_url = "https://c.fantia.jp/uploads/post/file/#{@post_id}/#{$1}"
      when "product"
        @product_id = image_id
        @full_image_url = "https://c.fantia.jp/uploads/product/image/#{@product_id}/#{$1}"
      when "product_image"
        @full_image_url = "https://c.fantia.jp/uploads/product_image/file/#{image_id}/#{$1}"
      else
        @full_image_url = original_url
      end

    # https://fantia.jp/posts/1143951/download/1830956
    in _, "posts", post_id, "download", image_id
      @post_id = post_id
      @download_id = image_id

    # https://fantia.jp/posts/1148334
    # https://fantia.jp/posts/2245222/post_content_photo/14978435
    in _, "posts", /\d+/ => post_id, *rest
      @post_id = post_id

    # https://fantia.jp/products/249638
    in _, "products", /\d+/ => product_id
      @product_id = product_id

    # https://fantia.jp/fanclubs/64496
    # https://fantia.jp/fanclubs/1654/posts
    # https://job.fantia.jp/fanclubs/5734
    in _, "fanclubs", /\d+/ => fanclub_id, *rest
      @fanclub_id = fanclub_id

    # https://fantia.jp/asanagi
    # https://fantia.jp/koruri
    in _, username
      @username = username

    else
      nil
    end