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Contents
# frozen_string_literal: true
module Decidim
# A command with all the business logic for when a user starts following a resource.
class CreateFollow < Decidim::Command
# Public: Initializes the command.
#
# form - A form object with the params.
# current_user - The current user.
def initialize(form, current_user)
@form = form
@current_user = current_user
end
# Executes the command. Broadcasts these events:
#
# - :ok when everything is valid, together with the follow.
# - :invalid if the form wasn't valid and we couldn't proceed.
#
# Returns nothing.
def call
return broadcast(:invalid) if form.invalid?
create_follow!
increment_score
broadcast(:ok, follow)
end
private
attr_reader :follow, :form, :current_user
def create_follow!
@follow = Follow.find_by(
followable: form.followable,
user: current_user
) || Follow.create!(
followable: form.followable,
user: current_user
)
end
def increment_score
return unless form.followable.is_a? Decidim::User
Decidim::Gamification.increment_score(form.followable, :followers)
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems