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postter/app/models/post.rb
João Victor Geonizeli 7ea2d65fef improve relations and scopes
2022-02-28 10:33:44 -03:00

38 lines
804 B
Ruby

class Post < ApplicationRecord
belongs_to :user
belongs_to :quoted_post, optional: true, class_name: 'Post'
validates :content, length: { maximum: 777 }
validates :content, presence: true, unless: :repost?
validate :user, :limit_of_post_per_day
scope :by_user_follows, ->(user) {
where(user_id: user.following_ids)
}
def repost?
kind == :quoted_post
end
def kind
if quoted_post_id.blank?
:post
elsif content.blank? && quoted_post_id.present?
:repost
else
:quoted_post
end
end
private
def limit_of_post_per_day
posts_from_day = user&.posts&.where('created_at >= ?', Time.zone.now.beginning_of_day)
return if posts_from_day && posts_from_day.count < 5
errors.add(:base, 'You can post only 5 posts per day')
end
end