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