みてるぞ
e03cc01109
#171 #171 #171 #171 #171 #171 #171 Co-authored-by: miteruzo <miteruzo@naver.com> Reviewed-on: #345
130 lines
3.6 KiB
Ruby
130 lines
3.6 KiB
Ruby
class Post < ApplicationRecord
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require 'mini_magick'
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belongs_to :uploaded_user, class_name: 'User', optional: true
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has_many :post_tags, dependent: :destroy, inverse_of: :post
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has_many :active_post_tags, -> { kept }, class_name: 'PostTag', inverse_of: :post
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has_many :post_tags_with_discarded, -> { with_discarded }, class_name: 'PostTag'
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has_many :tags, through: :active_post_tags
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has_many :user_post_views, dependent: :delete_all
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has_many :post_similarities, dependent: :delete_all
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has_many :post_versions
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has_many :parent_post_implications,
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class_name: 'PostImplication',
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foreign_key: :post_id,
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dependent: :destroy,
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inverse_of: :post
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has_many :parents, through: :parent_post_implications, source: :parent_post
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has_many :child_post_implications,
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class_name: 'PostImplication',
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foreign_key: :parent_post_id,
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dependent: :destroy,
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inverse_of: :parent_post
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has_many :children, through: :child_post_implications, source: :post
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has_one_attached :thumbnail
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attribute :version_no, :integer, default: 1
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before_validation :normalise_url
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validates :url, presence: true, uniqueness: true
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validate :validate_original_created_range
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validate :url_must_be_http_url
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def parent_posts = parents
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def child_posts = children
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def sibling_posts
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parent_post_ids = parent_posts.order(:id).pluck(:id)
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parent_post_ids.to_h { [_1, PostImplication.where(parent_post: _1).map(&:post)] }
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end
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def as_json options = { }
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super(options).merge(thumbnail: thumbnail.attached? ?
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Rails.application.routes.url_helpers.rails_blob_url(
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thumbnail, only_path: false) :
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nil)
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rescue
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super(options).merge(thumbnail: nil)
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end
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def snapshot_tag_names = tags.joins(:tag_name).order('tag_names.name').pluck('tag_names.name')
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def snapshot_parent_post_ids = parents.order(:id).pluck(:id)
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def related limit: nil
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ids = post_similarities.order(cos: :desc)
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ids = ids.limit(limit) if limit
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ids = ids.pluck(:target_post_id)
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return Post.none if ids.empty?
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Post.where(id: ids)
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.with_attached_thumbnail
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.order(Arel.sql("FIELD(posts.id, #{ ids.join(',') })"))
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end
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def resized_thumbnail!
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return unless thumbnail.attached?
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image = MiniMagick::Image.read(thumbnail.download)
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image.resize '180x180'
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thumbnail.purge
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thumbnail.attach(io: File.open(image.path),
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filename: 'resized_thumbnail.jpg',
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content_type: 'image/jpeg')
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end
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private
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def validate_original_created_range
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f = original_created_from
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b = original_created_before
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return if f.blank? || b.blank?
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f = Time.zone.parse(f) if String === f
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b = Time.zone.parse(b) if String === b
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return if !(f) || !(b)
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if f >= b
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errors.add :original_created_before, 'オリジナルの作成日時の順番がをかしぃです．'
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end
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end
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def url_must_be_http_url
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begin
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u = URI.parse(url)
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rescue URI::InvalidURIError
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errors.add(:url, 'URL が不正です．')
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return
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end
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if !(u in URI::HTTP) || u.host.blank?
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errors.add(:url, 'URL が不正です．')
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return
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end
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end
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def normalise_url
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return if url.blank?
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self.url = url.strip
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u = URI.parse(url)
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return unless u in URI::HTTP
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u.host = u.host.downcase if u.host
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u.path = u.path.sub(/\/\Z/, '') if u.path.present?
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self.url = u.to_s
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rescue URI::InvalidURIError
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;
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end
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end
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