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# frozen_string_literal: true
module Decidim
class Follow < ApplicationRecord
include Decidim::DataPortability
belongs_to :followable, foreign_key: "decidim_followable_id", foreign_type: "decidim_followable_type", polymorphic: true, counter_cache: true
belongs_to :user, foreign_key: "decidim_user_id", class_name: "Decidim::User"
validates :user, uniqueness: { scope: [:followable] }
after_create :increase_following_counters
after_create :increase_followers_counter
after_destroy :decrease_following_counters
after_destroy :decrease_followers_counter
def self.user_collection(user)
where(decidim_user_id: user.id)
end
def self.export_serializer
Decidim::DataPortabilitySerializers::DataPortabilityFollowSerializer
end
def self.user_follower_ids_for_participatory_spaces(spaces)
# IF the space has questions it's a Consultations
followables = spaces.flat_map { |space| space.try(:questions) || space }
joins(:user).where(followable: followables).pluck(:decidim_user_id).uniq
end
private
# rubocop:disable Rails/SkipsModelValidations
def increase_following_counters
user.increment!(:following_count)
end
def increase_followers_counter
return unless followable.is_a?(Decidim::UserBaseEntity)
followable.increment!(:followers_count)
end
def decrease_following_counters
return unless user
user.decrement!(:following_count)
end
def decrease_followers_counter
return unless followable.is_a?(Decidim::UserBaseEntity)
return unless user
followable.decrement!(:followers_count)
end
# rubocop:enable Rails/SkipsModelValidations
end
end
Version data entries
23 entries across 23 versions & 1 rubygems