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Unify collection caching code

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This commit is contained in:
Eugen Rochko 2016-11-29 15:49:39 +01:00
parent 93a90cd9c3
commit 7e90772c92
6 changed files with 30 additions and 87 deletions
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21
app/controllers/api/v1/accounts_controller.rb
View file

@ -48,7 +48,7 @@ class Api::V1::AccountsController < ApiController
def statuses
@statuses = @account.statuses.paginate_by_max_id(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id]).to_a
@statuses = cache(@statuses)
@statuses = cache_collection(@statuses, Status)
set_maps(@statuses)
set_counters_maps(@statuses)
@ -111,23 +111,4 @@ class Api::V1::AccountsController < ApiController
@followed_by = Account.followed_by_map([@account.id], current_user.account_id)
@blocking = Account.blocking_map([@account.id], current_user.account_id)
end
def cache(raw)
uncached_ids = []
cached_keys_with_value = Rails.cache.read_multi(*raw.map(&:cache_key))
raw.each do |status|
uncached_ids << status.id unless cached_keys_with_value.key?(status.cache_key)
end
unless uncached_ids.empty?
uncached = Status.where(id: uncached_ids).with_includes.map { |s| [s.id, s] }.to_h
uncached.values.each do |status|
Rails.cache.write(status.cache_key, status)
end
end
raw.map { |status| cached_keys_with_value[status.cache_key] || uncached[status.id] }.compact
end
end

23
app/controllers/api/v1/notifications_controller.rb
View file

@ -8,7 +8,7 @@ class Api::V1::NotificationsController < ApiController
def index
@notifications = Notification.where(account: current_account).paginate_by_max_id(20, params[:max_id], params[:since_id])
@notifications = cache(@notifications)
@notifications = cache_collection(@notifications, Notification)
statuses = @notifications.select { |n| !n.target_status.nil? }.map(&:target_status)
set_maps(statuses)
@ -20,25 +20,4 @@ class Api::V1::NotificationsController < ApiController
set_pagination_headers(next_path, prev_path)
end
private
def cache(raw)
uncached_ids = []
cached_keys_with_value = Rails.cache.read_multi(*raw.map(&:cache_key))
raw.each do |notification|
uncached_ids << notification.id unless cached_keys_with_value.key?(notification.cache_key)
end
unless uncached_ids.empty?
uncached = Notification.where(id: uncached_ids).with_includes.map { |n| [n.id, n] }.to_h
uncached.values.each do |notification|
Rails.cache.write(notification.cache_key, notification)
end
end
raw.map { |notification| cached_keys_with_value[notification.cache_key] || uncached[notification.id] }.compact
end
end

25
app/controllers/api/v1/timelines_controller.rb
View file

@ -8,6 +8,7 @@ class Api::V1::TimelinesController < ApiController
def home
@statuses = Feed.new(:home, current_account).get(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id]).to_a
@statuses = cache_collection(@statuses)
set_maps(@statuses)
set_counters_maps(@statuses)
@ -23,6 +24,7 @@ class Api::V1::TimelinesController < ApiController
def mentions
@statuses = Feed.new(:mentions, current_account).get(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id]).to_a
@statuses = cache_collection(@statuses)
set_maps(@statuses)
set_counters_maps(@statuses)
@ -38,7 +40,7 @@ class Api::V1::TimelinesController < ApiController
def public
@statuses = Status.as_public_timeline(current_account).paginate_by_max_id(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id]).to_a
@statuses = cache(@statuses)
@statuses = cache_collection(@statuses)
set_maps(@statuses)
set_counters_maps(@statuses)
@ -55,7 +57,7 @@ class Api::V1::TimelinesController < ApiController
def tag
@tag = Tag.find_by(name: params[:id].downcase)
@statuses = @tag.nil? ? [] : Status.as_tag_timeline(@tag, current_account).paginate_by_max_id(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id]).to_a
@statuses = cache(@statuses)
@statuses = cache_collection(@statuses)
set_maps(@statuses)
set_counters_maps(@statuses)
@ -71,22 +73,7 @@ class Api::V1::TimelinesController < ApiController
private
def cache(raw)
uncached_ids = []
cached_keys_with_value = Rails.cache.read_multi(*raw.map(&:cache_key))
raw.each do |status|
uncached_ids << status.id unless cached_keys_with_value.key?(status.cache_key)
end
unless uncached_ids.empty?
uncached = Status.where(id: uncached_ids).with_includes.map { |s| [s.id, s] }.to_h
uncached.values.each do |status|
Rails.cache.write(status.cache_key, status)
end
end
raw.map { |status| cached_keys_with_value[status.cache_key] || uncached[status.id] }.compact
def cache_collection(raw)
super(raw, Status)
end
end

19
app/controllers/application_controller.rb
View file

@ -52,4 +52,23 @@ class ApplicationController < ActionController::Base
def current_account
@current_account ||= current_user.try(:account)
end
def cache_collection(raw, klass)
uncached_ids = []
cached_keys_with_value = Rails.cache.read_multi(*raw.map(&:cache_key))
raw.each do |item|
uncached_ids << item.id unless cached_keys_with_value.key?(item.cache_key)
end
unless uncached_ids.empty?
uncached = klass.where(id: uncached_ids).with_includes.map { |item| [item.id, item] }.to_h
uncached.values.each do |item|
Rails.cache.write(item.cache_key, item)
end
end
raw.map { |item| cached_keys_with_value[item.cache_key] || uncached[item.id] }.compact
end
end

25
app/models/feed.rb
View file

@ -16,7 +16,7 @@ class Feed
RegenerationWorker.perform_async(@account.id, @type)
@statuses = Status.send("as_#{@type}_timeline", @account).paginate_by_max_id(limit, nil, nil)
else
status_map = cache(unhydrated)
status_map = Status.where(id: unhydrated).map { |s| [s.id, s] }.to_h
@statuses = unhydrated.map { |id| status_map[id] }.compact
end
@ -25,29 +25,6 @@ class Feed
private
def cache(ids)
raw = Status.where(id: ids).to_a
uncached_ids = []
cached_keys_with_value = Rails.cache.read_multi(*raw.map(&:cache_key))
raw.each do |status|
uncached_ids << status.id unless cached_keys_with_value.key?(status.cache_key)
end
unless uncached_ids.empty?
uncached = Status.where(id: uncached_ids).with_includes.map { |s| [s.id, s] }.to_h
uncached.values.each do |status|
Rails.cache.write(status.cache_key, status)
end
end
cached = cached_keys_with_value.values.map { |s| [s.id, s] }.to_h
cached.merge!(uncached) unless uncached_ids.empty?
cached
end
def key
FeedManager.instance.key(@type, @account.id)
end

2
spec/controllers/admin/pubsubhubbub_controller_spec.rb
View file

@ -4,7 +4,7 @@ require 'rails_helper'
RSpec.describe Admin::PubsubhubbubController, type: :controller do
describe 'GET #index' do
before do
sign_in :user, Fabricate(:user, admin: true)
sign_in Fabricate(:user, admin: true), scope: :user
end
it 'returns http success' do