docbrown/app/models/follow.rb
Andy Zhao f1571184bc [Updated] Add aggregated follow notifications (#327)
* Fix sidebar issue for XL displays

* Remove grouping param for follows

* Add aggregated follow notification MVP

* Lint reaction model a bit

* Fix a few small css issues

* Remove puts statement and indent HTML

* Use activity id instead of time for cache key
2018-05-19 11:03:06 -04:00

74 lines
2.1 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"
# Andy: 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
validates :followable_id, uniqueness: { scope: [: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(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 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
end