docbrown/app/models/follow.rb
2018-10-03 13:00:09 -04:00

90 lines
2.6 KiB
Ruby

class Follow < ApplicationRecord
extend ActsAsFollower::FollowerLib
extend ActsAsFollower::FollowScopes
include StreamRails::Activity
as_activity
# 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_user
after_save :touch_user_followed_at
after_create :send_email_notification
after_create :create_chat_channel
before_destroy :modify_chat_channel_status
validates :followable_id, uniqueness: { scope: %i[followable_type follower_id] }
def activity_actor
follower
end
def activity_notify
return if followable.class.name != "User"
[StreamNotifier.new(followable.id).notify]
end
def activity_object
followable
end
def remove_from_feed
super
if followable_type == "User"
User.find_by(id: followable.id)&.touch(:last_notification_activity)
end
end
private
def touch_user
follower.touch
end
handle_asynchronously :touch_user
def touch_user_followed_at
follower.touch(:last_followed_at)
end
handle_asynchronously :touch_user_followed_at
def create_chat_channel
if followable_type == "User" && followable.following?(follower)
ChatChannel.create_with_users([followable, follower])
end
end
handle_asynchronously :create_chat_channel
def send_email_notification
if followable.class.name == "User" && followable.email.present? && followable.email_follower_notifications
return if EmailMessage.where(user_id: followable.id).
where("sent_at > ?", rand(15..35).hours.ago).
where("subject LIKE ?", "%followed you on dev.to%").any?
NotifyMailer.new_follower_email(self).deliver
end
end
handle_asynchronously :send_email_notification
def modify_chat_channel_status
if followable_type == "User" && followable.following?(follower)
follower.chat_channels.
where("slug LIKE ? OR slug like ?", "%/#{followable.username}%", "%#{followable.username}/%").
first.update(status: "inactive")
end
end
end