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|
class Blog < ApplicationRecord
include Recordable
include Votable
acts_as_taggable
has_many :comments
belongs_to :user
has_many_attached :images do |attachable|
attachable.variant :thumb, resize_to_limit: [300, 300]
end
validates :title, presence: true
validates :body, presence: true, if: :published
validates :slug, presence: true, format: /\A[-a-z0-9]+\z/, if: :published
validates :user, presence: true
validates :images, content_type: ['image/png', 'image/jpeg']
before_validation :set_draft_title
before_save :set_published_at
def path
"/says/#{slug}"
end
def taggable
self
end
def has_read_more
body.include?("<!--MORE-->")
end
def short_body
body[0..(body.index("<!--MORE-->")-1)]
end
def to_param
slug
end
def visible_date
if published
published_at
else
updated_at
end
end
def prev
Blog.where(published: true).where("published_at < ?", published_at).order(published_at: :desc).first
end
def next
Blog.where(published: true).where("published_at > ?", published_at).order(published_at: :asc).first
end
private
def set_draft_title
if self.title.blank? and not self.published
self.title = "Untitled draft"
end
end
def set_published_at
if self.published
if self.published_at.blank?
self.published_at = DateTime.now
end
else
self.published_at = nil
end
end
end
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