Chatwoot/app/controllers/api/v1/callbacks_controller.rb

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require 'rest-client'
require 'telegram/bot'
class Api::V1::CallbacksController < ApplicationController
skip_before_action :verify_authenticity_token , only: [:register_facebook_page]
skip_before_action :authenticate_user! , only: [:register_facebook_page], raise: false
def register_facebook_page
user_access_token = params[:user_access_token]
page_access_token = params[:page_access_token]
page_name = params[:page_name]
page_id = params[:page_id]
inbox_name = params[:inbox_name]
facebook_channel = current_account.facebook_pages.create!(name: page_name, page_id: page_id, user_access_token: user_access_token, page_access_token: page_access_token, remote_avatar_url: set_avatar(page_id))
inbox = current_account.inboxes.create!(name: inbox_name, channel: facebook_channel)
render json: inbox
end
def get_facebook_pages
@page_details = mark_already_existing_facebook_pages(fb_object.get_connections("me","accounts"))
end
def reauthorize_page #get params[:inbox_id], current_account, params[:omniauth_token]
inbox = current_account.inboxes.find_by(id: params[:inbox_id])
if inbox
fb_page_id = inbox.channel.page_id
page_details = fb_object.get_connections("me","accounts")
(page_details || []).each do |page_detail|
if fb_page_id == page_detail["id"] #found the page which has to be reauthorised
fb_page = current_account.facebook_pages.find_by(page_id: fb_page_id)
if fb_page
fb_page.update_attributes!(
{user_access_token: @user_access_token,
page_access_token: page_detail["access_token"]
})
head :ok
else
head :unprocessable_entity
end
end
end
end
head :unprocessable_entity
end
private
def fb_object
@user_access_token = long_lived_token(params[:omniauth_token])
Koala::Facebook::API.new(@user_access_token)
end
def long_lived_token(omniauth_token)
koala = Koala::Facebook::OAuth.new(ENV['fb_app_id'], ENV['fb_app_secret'])
long_lived_token = koala.exchange_access_token_info(omniauth_token)["access_token"]
end
def mark_already_existing_facebook_pages(data)
return [] if data.empty?
data.inject([]) do |result, page_detail|
current_account.facebook_pages.exists?(page_id: page_detail["id"]) ? page_detail.merge!(exists: true) : page_detail.merge!(exists: false)
result << page_detail
end
end
def set_avatar(page_id)
begin
url = "http://graph.facebook.com/" << page_id << "/picture?type=large"
uri = URI.parse(url)
tries = 3
begin
response = uri.open(redirect: false)
rescue OpenURI::HTTPRedirect => redirect
uri = redirect.uri # assigned from the "Location" response header
retry if (tries -= 1) > 0
raise
end
pic_url = response.base_uri.to_s
Rails.logger.info(pic_url)
rescue => e
pic_url = nil
end
pic_url
end
end