metamaps--metamaps/app/services/follow_service.rb
2017-09-13 10:18:00 -04:00

59 lines
1.8 KiB
Ruby

# frozen_string_literal: true
class FollowService
class << self
def follow(entity, user, reason)
return unless user
return if (reason == 'created' || reason == 'contributed') && !should_auto_follow(entity, user, reason)
follow = Follow.where(followed: entity, user: user).first_or_create
unless follow.update(muted: false)
raise follow.errors.full_messages.join("\n")
end
if FollowReason::REASONS.include?(reason) && !follow.follow_reason.read_attribute(reason)
follow.follow_reason.update_attribute(reason, true)
end
end
def unfollow(entity, user)
follow = Follow.where(followed: entity, user: user).first
if follow
unless follow.update(muted: true)
raise follow.errors.full_messages.join("\n")
end
end
end
def remove_reason(entity, user, reason)
return unless FollowReason::REASONS.include?(reason)
follow = Follow.where(followed: entity, user: user).first
if follow
follow.follow_reason.update_attribute(reason, false)
if !follow.follow_reason.has_reason
follow.destroy
end
end
end
protected
def should_auto_follow(entity, user, reason)
follow = Follow.where(followed: entity, user: user).first
return false if follow && follow.muted
if entity.class == Topic
if reason == 'created'
return user.settings.follow_topic_on_created == '1'
elsif reason == 'contributed'
return user.settings.follow_topic_on_contributed == '1'
end
elsif entity.class == Map
if reason == 'created'
return user.settings.follow_map_on_created == '1'
elsif reason == 'contributed'
return user.settings.follow_map_on_contributed == '1'
end
end
end
end
end