From 3195bb44297661e9c15b742e10ccf22918f91a7d Mon Sep 17 00:00:00 2001
From: farhatahmad <35435341+farhatahmad@users.noreply.github.com>
Date: Tue, 12 Mar 2019 13:50:20 -0400
Subject: [PATCH] GRN-59: Implemented pagination on the API call (#370)
* Added the env variable and functionality to paginate the call to the bbbapi
* Update user.rb
---
app/controllers/recordings_controller.rb | 55 ++++++++++
app/controllers/rooms_controller.rb | 30 +-----
app/controllers/users_controller.rb | 18 +---
app/models/concerns/api_concern.rb | 101 ++++++++++++++++++
app/models/room.rb | 80 +-------------
app/models/user.rb | 26 +++++
.../shared/components/_recording_row.html.erb | 6 +-
config/application.rb | 3 +
config/routes.rb | 7 +-
sample.env | 4 +
.../controllers/recordings_controller_spec.rb | 63 +++++++++++
spec/models/room_spec.rb | 9 ++
12 files changed, 278 insertions(+), 124 deletions(-)
create mode 100644 app/controllers/recordings_controller.rb
create mode 100644 app/models/concerns/api_concern.rb
create mode 100644 spec/controllers/recordings_controller_spec.rb
diff --git a/app/controllers/recordings_controller.rb b/app/controllers/recordings_controller.rb
new file mode 100644
index 00000000..e1313f89
--- /dev/null
+++ b/app/controllers/recordings_controller.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+#
+# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
+#
+# This program is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 3.0 of the License, or (at your option) any later
+# version.
+#
+# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with BigBlueButton; if not, see
+
+class RecordingsController < ApplicationController
+ before_action :find_room
+ before_action :verify_room_ownership
+
+ META_LISTED = "gl-listed"
+
+ # POST /:meetingID/:record_id
+ def update_recording
+ meta = {
+ "meta_#{META_LISTED}" => (params[:state] == "public"),
+ }
+
+ res = @room.update_recording(params[:record_id], meta)
+
+ # Redirects to the page that made the initial request
+ redirect_to request.referrer if res[:updated]
+ end
+
+ # DELETE /:meetingID/:record_id
+ def delete_recording
+ @room.delete_recording(params[:record_id])
+
+ # Redirects to the page that made the initial request
+ redirect_to request.referrer
+ end
+
+ private
+
+ def find_room
+ @room = Room.find_by!(bbb_id: params[:meetingID])
+ end
+
+ # Ensure the user is logged into the room they are accessing.
+ def verify_room_ownership
+ redirect_to root_path unless @room.owned_by?(current_user)
+ end
+end
diff --git a/app/controllers/rooms_controller.rb b/app/controllers/rooms_controller.rb
index c808f184..bbe36cbf 100644
--- a/app/controllers/rooms_controller.rb
+++ b/app/controllers/rooms_controller.rb
@@ -17,6 +17,8 @@
# with BigBlueButton; if not, see .
class RoomsController < ApplicationController
+ include RecordingsHelper
+
before_action :validate_accepted_terms, unless: -> { !Rails.configuration.terms }
before_action :validate_verified_email, except: [:show, :join],
unless: -> { !Rails.configuration.enable_email_verification }
@@ -24,9 +26,6 @@ class RoomsController < ApplicationController
before_action :verify_room_ownership, except: [:create, :show, :join, :logout]
before_action :verify_room_owner_verified, only: [:show, :join]
- include RecordingsHelper
- META_LISTED = "gl-listed"
-
# POST /
def create
redirect_to(root_path) && return unless current_user
@@ -52,10 +51,7 @@ class RoomsController < ApplicationController
def show
if current_user && @room.owned_by?(current_user)
recs = @room.recordings
- # Add the room id to each recording object
- recs.each do |rec|
- rec[:room_uid] = @room.uid
- end
+
@recordings = recs
@is_running = @room.running?
else
@@ -168,26 +164,6 @@ class RoomsController < ApplicationController
redirect_to @room
end
- # POST /:room_uid/:record_id
- def update_recording
- meta = {
- "meta_#{META_LISTED}" => (params[:state] == "public"),
- }
-
- res = @room.update_recording(params[:record_id], meta)
-
- # Redirects to the page that made the initial request
- redirect_to request.referrer if res[:updated]
- end
-
- # DELETE /:room_uid/:record_id
- def delete_recording
- @room.delete_recording(params[:record_id])
-
- # Redirects to the page that made the initial request
- redirect_to request.referrer
- end
-
private
def update_room_attributes(update_type)
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 145b0fa1..32e5f5bf 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -17,11 +17,11 @@
# with BigBlueButton; if not, see .
class UsersController < ApplicationController
+ include RecordingsHelper
+
before_action :find_user, only: [:edit, :update, :destroy]
before_action :ensure_unauthenticated, only: [:new, :create]
- include RecordingsHelper
-
# POST /u
def create
# Verify that GreenLight is configured to allow user signup.
@@ -135,19 +135,7 @@ class UsersController < ApplicationController
# GET /u/:user_uid/recordings
def recordings
if current_user && current_user.uid == params[:user_uid]
- @recordings = []
- current_user.rooms.each do |room|
- # Check that current user is the room owner
- next unless room.owner == current_user
-
- recs = room.recordings
- # Add the room id to each recording object
- recs.each do |rec|
- rec[:room_uid] = room.uid
- end
- # Adds an array to another array
- @recordings.push(*recs)
- end
+ @recordings = current_user.all_recordings
else
redirect_to root_path
end
diff --git a/app/models/concerns/api_concern.rb b/app/models/concerns/api_concern.rb
new file mode 100644
index 00000000..c338f59e
--- /dev/null
+++ b/app/models/concerns/api_concern.rb
@@ -0,0 +1,101 @@
+# frozen_string_literal: true
+
+# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+#
+# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
+#
+# This program is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 3.0 of the License, or (at your option) any later
+# version.
+#
+# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with BigBlueButton; if not, see .
+
+module APIConcern
+ extend ActiveSupport::Concern
+ def bbb_endpoint
+ Rails.configuration.bigbluebutton_endpoint
+ end
+
+ def bbb_secret
+ Rails.configuration.bigbluebutton_secret
+ end
+
+ # Sets a BigBlueButtonApi object for interacting with the API.
+ def bbb
+ @bbb ||= if Rails.configuration.loadbalanced_configuration
+ lb_user = retrieve_loadbalanced_credentials(owner.provider)
+ BigBlueButton::BigBlueButtonApi.new(remove_slash(lb_user["apiURL"]), lb_user["secret"], "0.8")
+ else
+ BigBlueButton::BigBlueButtonApi.new(remove_slash(bbb_endpoint), bbb_secret, "0.8")
+ end
+ end
+
+ # Rereives the loadbalanced BigBlueButton credentials for a user.
+ def retrieve_loadbalanced_credentials(provider)
+ # Include Omniauth accounts under the Greenlight provider.
+ provider = "greenlight" if Rails.configuration.providers.include?(provider.to_sym)
+
+ # Build the URI.
+ uri = encode_bbb_url(
+ Rails.configuration.loadbalancer_endpoint + "getUser",
+ Rails.configuration.loadbalancer_secret,
+ name: provider
+ )
+
+ # Make the request.
+ http = Net::HTTP.new(uri.host, uri.port)
+ http.use_ssl = (uri.scheme == 'https')
+ response = http.get(uri.request_uri)
+
+ unless response.is_a?(Net::HTTPSuccess)
+ raise "Error retrieving provider credentials: #{response.code} #{response.message}"
+ end
+
+ # Parse XML.
+ doc = XmlSimple.xml_in(response.body, 'ForceArray' => false)
+
+ # Return the user credentials if the request succeeded on the loadbalancer.
+ return doc['user'] if doc['returncode'] == RETURNCODE_SUCCESS
+
+ raise "User with provider #{provider} does not exist." if doc['messageKey'] == "noSuchUser"
+ raise "API call #{url} failed with #{doc['messageKey']}."
+ end
+
+ # Builds a request to retrieve credentials from the load balancer.
+ def encode_bbb_url(base_url, secret, params)
+ encoded_params = OAuth::Helper.normalize(params)
+ string = "getUser" + encoded_params + secret
+ checksum = OpenSSL::Digest.digest('sha1', string).unpack("H*").first
+
+ URI.parse("#{base_url}?#{encoded_params}&checksum=#{checksum}")
+ end
+
+ # Removes trailing forward slash from a URL.
+ def remove_slash(s)
+ s.nil? ? nil : s.chomp("/")
+ end
+
+ # Format recordings to match their current use in the app
+ def format_recordings(api_res)
+ api_res[:recordings].each do |r|
+ next if r.key?(:error)
+ # Format playbacks in a more pleasant way.
+ r[:playbacks] = if !r[:playback] || !r[:playback][:format]
+ []
+ elsif r[:playback][:format].is_a?(Array)
+ r[:playback][:format]
+ else
+ [r[:playback][:format]]
+ end
+ r.delete(:playback)
+ end
+
+ api_res[:recordings].sort_by { |rec| rec[:endTime] }.reverse
+ end
+end
diff --git a/app/models/room.rb b/app/models/room.rb
index 7d376606..3901c23d 100644
--- a/app/models/room.rb
+++ b/app/models/room.rb
@@ -17,6 +17,8 @@
# with BigBlueButton; if not, see .
class Room < ApplicationRecord
+ include ::APIConcern
+
before_create :setup
before_destroy :delete_all_recordings
@@ -118,21 +120,8 @@ class Room < ApplicationRecord
# Fetches all recordings for a room.
def recordings
res = bbb.get_recordings(meetingID: bbb_id)
- # Format playbacks in a more pleasant way.
- res[:recordings].each do |r|
- next if r.key?(:error)
- r[:playbacks] = if !r[:playback] || !r[:playback][:format]
- []
- elsif r[:playback][:format].is_a?(Array)
- r[:playback][:format]
- else
- [r[:playback][:format]]
- end
- r.delete(:playback)
- end
-
- res[:recordings].sort_by { |rec| rec[:endTime] }.reverse
+ format_recordings(res)
end
# Fetches a rooms public recordings.
@@ -152,24 +141,6 @@ class Room < ApplicationRecord
private
- def bbb_endpoint
- Rails.configuration.bigbluebutton_endpoint
- end
-
- def bbb_secret
- Rails.configuration.bigbluebutton_secret
- end
-
- # Sets a BigBlueButtonApi object for interacting with the API.
- def bbb
- @bbb ||= if Rails.configuration.loadbalanced_configuration
- lb_user = retrieve_loadbalanced_credentials(owner.provider)
- BigBlueButton::BigBlueButtonApi.new(remove_slash(lb_user["apiURL"]), lb_user["secret"], "0.8")
- else
- BigBlueButton::BigBlueButtonApi.new(remove_slash(bbb_endpoint), bbb_secret, "0.8")
- end
- end
-
# Generates a uid for the room and BigBlueButton.
def setup
self.uid = random_room_uid
@@ -193,51 +164,6 @@ class Room < ApplicationRecord
[owner.name_chunk, uid_chunk, uid_chunk].join('-').downcase
end
- # Rereives the loadbalanced BigBlueButton credentials for a user.
- def retrieve_loadbalanced_credentials(provider)
- # Include Omniauth accounts under the Greenlight provider.
- provider = "greenlight" if Rails.configuration.providers.include?(provider.to_sym)
-
- # Build the URI.
- uri = encode_bbb_url(
- Rails.configuration.loadbalancer_endpoint + "getUser",
- Rails.configuration.loadbalancer_secret,
- name: provider
- )
-
- # Make the request.
- http = Net::HTTP.new(uri.host, uri.port)
- http.use_ssl = (uri.scheme == 'https')
- response = http.get(uri.request_uri)
-
- unless response.is_a?(Net::HTTPSuccess)
- raise "Error retrieving provider credentials: #{response.code} #{response.message}"
- end
-
- # Parse XML.
- doc = XmlSimple.xml_in(response.body, 'ForceArray' => false)
-
- # Return the user credentials if the request succeeded on the loadbalancer.
- return doc['user'] if doc['returncode'] == RETURNCODE_SUCCESS
-
- raise "User with provider #{provider} does not exist." if doc['messageKey'] == "noSuchUser"
- raise "API call #{url} failed with #{doc['messageKey']}."
- end
-
- # Builds a request to retrieve credentials from the load balancer.
- def encode_bbb_url(base_url, secret, params)
- encoded_params = OAuth::Helper.normalize(params)
- string = "getUser" + encoded_params + secret
- checksum = OpenSSL::Digest.digest('sha1', string).unpack("H*").first
-
- URI.parse("#{base_url}?#{encoded_params}&checksum=#{checksum}")
- end
-
- # Removes trailing forward slash from a URL.
- def remove_slash(s)
- s.nil? ? nil : s.chomp("/")
- end
-
# Generates a random password for a meeting.
def random_password(length)
charset = ("a".."z").to_a + ("A".."Z").to_a
diff --git a/app/models/user.rb b/app/models/user.rb
index 0f368d21..f234f7ff 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -17,6 +17,8 @@
# with BigBlueButton; if not, see .
class User < ApplicationRecord
+ include ::APIConcern
+
attr_accessor :reset_token, :activation_token
after_create :create_home_room_if_verified
before_save { email.try(:downcase!) }
@@ -95,6 +97,30 @@ class User < ApplicationRecord
end
end
+ def all_recordings
+ pag_num = Rails.configuration.pagination_number
+
+ pag_loops = rooms.length / pag_num - 1
+
+ res = { recordings: [] }
+
+ (0..pag_loops).each do |i|
+ pag_rooms = rooms[pag_num * i, pag_num]
+
+ # bbb.get_recordings returns an object
+ # take only the array portion of the object that is returned
+ full_res = bbb.get_recordings(meetingID: pag_rooms.pluck(:bbb_id))
+ res[:recordings].push(*full_res[:recordings])
+ end
+
+ last_pag_room = rooms[pag_num * (pag_loops + 1), rooms.length % pag_num]
+
+ full_res = bbb.get_recordings(meetingID: last_pag_room.pluck(:bbb_id))
+ res[:recordings].push(*full_res[:recordings])
+
+ format_recordings(res)
+ end
+
# Activates an account and initialize a users main room
def activate
update_attribute(:email_verified, true)
diff --git a/app/views/shared/components/_recording_row.html.erb b/app/views/shared/components/_recording_row.html.erb
index 6489a44d..7d1ab090 100644
--- a/app/views/shared/components/_recording_row.html.erb
+++ b/app/views/shared/components/_recording_row.html.erb
@@ -53,10 +53,10 @@
<% end %>
@@ -79,7 +79,7 @@
<%= t("recording.email") %>
<% end %>
- <%= button_to delete_recording_path(room_uid: recording[:room_uid], record_id: recording[:recordID]), method: :delete, class: "dropdown-item" do %>
+ <%= button_to delete_recording_path(meetingID: recording[:meetingID], record_id: recording[:recordID]), method: :delete, class: "dropdown-item" do %>
<%= t("delete") %>
<% end %>
diff --git a/config/application.rb b/config/application.rb
index c0ceea45..8b59c316 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -89,5 +89,8 @@ module Greenlight
# Configure which settings are available to user on room creation/edit after creation
config.room_features = ENV['ROOM_FEATURES'] || ""
+
+ # The maximum number of rooms included in one bbbapi call
+ config.pagination_number = ENV['PAGINATION_NUMBER'].to_i == 0 ? 25 : ENV['PAGINATION_NUMBER'].to_i
end
end
diff --git a/config/routes.rb b/config/routes.rb
index 3f7be57b..9d38b89d 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -72,11 +72,14 @@ Rails.application.routes.draw do
post '/update_settings', to: 'rooms#update_settings'
post '/start', to: 'rooms#start', as: :start_room
get '/logout', to: 'rooms#logout', as: :logout_room
+ end
+ # Recording operations routes
+ scope '/:meetingID' do
# Manage recordings
scope '/:record_id' do
- post '/', to: 'rooms#update_recording', as: :update_recording
- delete '/', to: 'rooms#delete_recording', as: :delete_recording
+ post '/', to: 'recordings#update_recording', as: :update_recording
+ delete '/', to: 'recordings#delete_recording', as: :delete_recording
end
end
diff --git a/sample.env b/sample.env
index a5239729..0deddaa1 100644
--- a/sample.env
+++ b/sample.env
@@ -124,6 +124,10 @@ ALLOW_CUSTOM_BRANDING=false
# mute-on-join: Automatically mute users by default when they join a room
ROOM_FEATURES=default-client,mute-on-join
+# Specify the maximum number of records to be sent to the BigBlueButton API in one call
+# Default is set to 25 records
+PAGINATION_NUMBER=25
+
# Comment this out to send logs to STDOUT in production instead of log/production.log .
#
# RAILS_LOG_TO_STDOUT=true
diff --git a/spec/controllers/recordings_controller_spec.rb b/spec/controllers/recordings_controller_spec.rb
new file mode 100644
index 00000000..5e727d28
--- /dev/null
+++ b/spec/controllers/recordings_controller_spec.rb
@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+#
+# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
+#
+# This program is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 3.0 of the License, or (at your option) any later
+# version.
+#
+# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with BigBlueButton; if not, see .
+
+require "rails_helper"
+
+describe RecordingsController, type: :controller do
+ before do
+ @user = create(:user)
+ @room = @user.main_room
+ @secondary_user = create(:user)
+ end
+
+ context "POST #update_recording" do
+ it "updates the recordings details" do
+ @request.session[:user_id] = @user.uid
+
+ post :update_recording, params: { meetingID: @room.bbb_id, record_id: Faker::IDNumber.valid, state: "public" }
+
+ expect(response).to have_http_status(302)
+ end
+
+ it "redirects to root if not the room owner" do
+ @request.session[:user_id] = @secondary_user.uid
+
+ post :update_recording, params: { meetingID: @room.bbb_id, record_id: Faker::IDNumber.valid, state: "public" }
+
+ expect(response).to redirect_to(root_path)
+ end
+ end
+
+ context "DELETE #delete_recording" do
+ it "deletes the recording" do
+ @request.session[:user_id] = @user.uid
+
+ post :delete_recording, params: { meetingID: @room.bbb_id, record_id: Faker::IDNumber.valid, state: "public" }
+
+ expect(response).to have_http_status(302)
+ end
+
+ it "redirects to root if not the room owner" do
+ @request.session[:user_id] = @secondary_user.uid
+
+ post :delete_recording, params: { meetingID: @room.bbb_id, record_id: Faker::IDNumber.valid, state: "public" }
+
+ expect(response).to redirect_to(root_path)
+ end
+ end
+end
diff --git a/spec/models/room_spec.rb b/spec/models/room_spec.rb
index b2d2f4e6..92e777cd 100644
--- a/spec/models/room_spec.rb
+++ b/spec/models/room_spec.rb
@@ -153,5 +153,14 @@ describe Room, type: :model do
playbacks: %w(presentation),
)
end
+
+ it "deletes the recording" do
+ allow_any_instance_of(BigBlueButton::BigBlueButtonApi).to receive(:delete_recordings).and_return(
+ returncode: true, deleted: true
+ )
+
+ expect(@room.delete_recording(Faker::IDNumber.valid))
+ .to contain_exactly([:returncode, true], [:deleted, true])
+ end
end
end