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class Follow < ApplicationRecord
extend ActsAsFollower::FollowerLib
extend ActsAsFollower::FollowScopes
# NOTE: Follows belong to the "followable" interface, and also to followers
belongs_to :followable, polymorphic: true
belongs_to :follower, polymorphic: true
counter_culture :follower, column_name: proc { |follow|
case follow.followable_type
when "User"
"following_users_count"
when "Organization"
"following_orgs_count"
when "ActsAsTaggableOn::Tag"
"following_tags_count"
# add more whens if we add more follow types
end
}, column_names: {
["follows.followable_type = ?", "User"] => "following_users_count",
["follows.followable_type = ?", "Organization"] => "following_orgs_count",
["follows.followable_type = ?", "ActsAsTaggableOn::Tag"] => "following_tags_count"
}
after_save :touch_follower
after_create :send_email_notification, :create_chat_channel
before_destroy :modify_chat_channel_status
validates :followable_id, uniqueness: { scope: %i[followable_type follower_id] }
validates :subscription_status, inclusion: { in: %w[all_articles none] }
def self.need_new_follower_notification_for?(followable_type)
%w[User Organization].include?(followable_type)
end
private
def touch_follower
Follows::TouchFollowerJob.perform_later(id)
end
def create_chat_channel
return unless followable_type == "User"
Follows::CreateChatChannelJob.perform_later(id)
end
def send_email_notification
return unless followable.class.name == "User" && followable.email?
Follows::SendEmailNotificationJob.perform_later(id)
end
def modify_chat_channel_status
return unless followable_type == "User" && followable.following?(follower)
channel = follower.chat_channels.
find_by("slug LIKE ? OR slug like ?", "%/#{followable.username}%", "%#{followable.username}/%")
channel&.update(status: "inactive")
end
end
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