docbrown/app/controllers/reactions_controller.rb
Andy Zhao e7466fc436 [Done] Add Reaction Policy Spec (#547)
* Delete old files and combine into one spec

* Write new reaction request spec

* Use a single route for logged in/out reaction count

* Refactor a bit

* Remove unused file

* Add reaction policy and spec

* Fix eslint issue

* Remove dead route
2018-07-10 14:12:04 -04:00

72 lines
2.5 KiB
Ruby

class ReactionsController < ApplicationController
before_action :set_cache_control_headers, only: [:index], unless: -> { current_user }
after_action :verify_authorized
def index
skip_authorization
if params[:article_id]
article = Article.cached_find(params[:article_id])
reactions = if efficient_current_user_id.present?
Reaction.where(reactable_id: article.id,
reactable_type: "Article",
user_id: efficient_current_user_id).
where("points > ?", 0)
else
[]
end
render json:
{
current_user: { id: efficient_current_user_id },
article_reaction_counts: Reaction.count_for_reactable(article),
reactions: reactions
}.to_json
else
comments = Comment.where(
commentable_id: params[:commentable_id],
commentable_type: params[:commentable_type],
).select([:id, :positive_reactions_count])
comment_ids = comments.map(&:id)
reaction_counts = comments.map { |c| { id: c.id, count: c.positive_reactions_count } }
reactions = current_user ? cached_user_positive_reactions(current_user).where(reactable_id: comment_ids) : []
render json:
{
current_user: { id: current_user&.id },
positive_reaction_counts: reaction_counts,
reactions: reactions
}.to_json
end
set_surrogate_key_header params.to_s unless current_user
end
def create
authorize Reaction
Rails.cache.delete "count_for_reactable-#{params[:reactable_type]}-#{params[:reactable_id]}"
reaction = Reaction.where(
user_id: current_user.id,
reactable_id: params[:reactable_id],
reactable_type: params[:reactable_type],
category: params[:category] || "like",
).first
if reaction
reaction.user.touch
reaction.destroy
@result = "destroy"
else
Reaction.create!(
user_id: current_user.id,
reactable_id: params[:reactable_id],
reactable_type: params[:reactable_type],
category: params[:category] || "like",
)
@result = "create"
end
render json: { result: @result }
end
def cached_user_positive_reactions(user)
Rails.cache.fetch("cached_user_reactions-#{user.id}-#{user.updated_at}", expires_in: 24.hours) do
Reaction.where(user_id: user.id).
where("points > ?", 0)
end
end
end