Initial version of facebook channel connector.

app/models/channel/facebook.rb

@@ -1,35 +1,56 @@
-# Copyright (C) 2012-2014 Zammad Foundation, http://zammad-foundation.org/
+# Copyright (C) 2012-2015 Zammad Foundation, http://zammad-foundation.org/
 
-#require 'rubygems'
-#require 'twitter'
+require 'facebook'
 
 class Channel::Facebook
-  #  def fetch(:oauth_token, :oauth_token_secret)
-  def fetch
 
+  def fetch (channel)
+
+    @channel  = channel
+    @facebook = Facebook.new( @channel[:options][:auth] )
+    @sync     = @channel[:options][:sync]
+
+    Rails.logger.debug 'facebook fetch started'
+
+    fetch_feed
+
+    disconnect
+
+    Rails.logger.debug 'facebook fetch completed'
+  end
+
+  def send(article, _notification = false)
+
+    @channel  = Channel.find_by( area: 'Facebook::Inbound', active: true )
+    @facebook = Facebook.new( @channel[:options][:auth] )
+
+    tweet = @facebook.from_article(article)
+    disconnect
+
+    tweet
   end
 
   def disconnect
-
+    @facebook.disconnect
   end
 
-  def send
+  private
 
-    Rails.logger.debug('face!!!!!!!!!!!!!!')
-    graph_api = Koala::Facebook::API.new(
-      'AAACqTciZAPsQBAHO9DbM333y2DcL5kccHyIObZB7WhaZBVUXUIeBNChkshvShCgiN6uwZC3r3l4cDvAZAPTArNIkemEraojzN1veNPZBADQAZDZD'
-    )
-    graph_api.put_object(
-      'id',
-      'comments',
-      {
-        message: body
+  def fetch_feed
+
+    return if !@sync[:group_id]
+
+    counter = 0
+    feed    = @facebook.client.get_connections('me', 'feed')
+    feed.each { |f|
+
+      break if @sync[:limit] && @sync[:limit] <= counter
+
+      post = @facebook.client.get_object( f['id'] )
+
+      @facebook.to_group( post, @sync[:group_id] )
+
+      counter += 1
     }
-    )
-    #            client.direct_message_create(
-    #              'medenhofer',
-    #              self.body,
-    #              options = {}
-    #            )
   end
 end

app/models/observer/ticket/article/communicate_facebook.rb

@@ -1,5 +1,7 @@
 # Copyright (C) 2012-2014 Zammad Foundation, http://zammad-foundation.org/
 
+require 'channel/facebook'
+
 class Observer::Ticket::Article::CommunicateFacebook < ActiveRecord::Observer
   observe 'ticket::_article'
 
@@ -13,17 +15,18 @@ class Observer::Ticket::Article::CommunicateFacebook < ActiveRecord::Observer
     return 1 if sender.nil?
     return 1 if sender['name'] == 'Customer'
 
-    # only apply on emails
+    # only apply for facebook
     type = Ticket::Article::Type.lookup( id: record.type_id )
-    return if type['name'] != 'facebook'
+    return if type['name'] !~ /\Afacebook/
 
-    a = Channel::Facebook.new
-    a.send(
-      {
-        from: 'me@znuny.com',
-        to: 'medenhofer',
-        body: record.body
-      }
-    )
+    facebook = Channel::Facebook.new
+    post     = facebook.send({
+                               type:        type['name'],
+                               to:          record.to,
+                               body:        record.body,
+                               in_reply_to: record.in_reply_to
+                             })
+    record.message_id = post['id']
+    record.save
   end
 end

lib/facebook.rb

@@ -0,0 +1,239 @@
+# Copyright (C) 2012-2015 Zammad Foundation, http://zammad-foundation.org/
+
+require 'koala'
+
+class Facebook
+
+  attr_accessor :client, :account
+
+  def initialize(options)
+
+    connect( options[:auth][:access_token] )
+
+    page_access_token = access_token_for_page( options[:sync] )
+
+    if page_access_token
+      connect( page_access_token )
+    end
+
+    @account = client.get_object('me')
+  end
+
+  def connect(access_token)
+    @client = Koala::Facebook::API.new( access_token )
+  end
+
+  def disconnect
+
+    return if !@client
+
+    @client = nil
+  end
+
+  def pages
+    pages = []
+    @client.get_connections('me', 'accounts').each { |page|
+      pages.push({
+                   id:           page['id'],
+                   name:         page['name'],
+                   access_token: page['access_token'],
+                 })
+    }
+    pages
+  end
+
+  def user(post)
+
+    return if !post['from']
+    return if !post['from']['id']
+    return if !post['from']['name']
+
+    return if !post['from']['id'] == @account['id']
+
+    @client.get_object( post['from']['id'] )
+  end
+
+  def to_user(post)
+
+    Rails.logger.debug 'Create user from post...'
+    Rails.logger.debug post.inspect
+
+    # do post_user lookup
+    post_user = user(post)
+
+    return if !post_user
+
+    auth = Authorization.find_by( uid: post_user['id'], provider: 'facebook' )
+
+    # create or update user
+    user_data = {
+      login:        post_user['id'], # TODO
+      firstname:    post_user['first_name'] || post_user['name'],
+      lastname:     post_user['last_name'] || '',
+      email:        '',
+      password:     '',
+      # TODO: image_source: '',
+      # TODO: note:         '',
+      active:       true,
+      roles:        Role.where( name: 'Customer' ),
+    }
+    if auth
+      user_data[:id] = auth.user_id
+    end
+    user = User.create_or_update( user_data )
+
+    # create or update authorization
+    auth_data = {
+      uid:      post_user['id'],
+      username: post_user['id'], # TODO
+      user_id:  user.id,
+      provider: 'facebook'
+    }
+    if auth
+      auth.update_attributes( auth_data )
+    else
+      Authorization.new( auth_data )
+    end
+
+    UserInfo.current_user_id = user.id
+
+    user
+  end
+
+  def to_ticket(post, group_id)
+
+    Rails.logger.debug 'Create ticket from post...'
+    Rails.logger.debug post.inspect
+    Rails.logger.debug group_id.inspect
+
+    user = to_user(post)
+    return if !user
+
+    Ticket.create(
+      customer_id: user.id,
+      title:       "#{post['message'][0, 37]}...",
+      group_id:    group_id,
+      state:       Ticket::State.find_by( name: 'new' ),
+      priority:    Ticket::Priority.find_by( name: '2 normal' ),
+    )
+  end
+
+  def to_article(post, ticket)
+
+    Rails.logger.debug 'Create article from post...'
+    Rails.logger.debug post.inspect
+    Rails.logger.debug ticket.inspect
+
+    # set ticket state to open if not new
+    if ticket.state.name != 'new'
+      ticket.state = Ticket::State.find_by( name: 'open' )
+      ticket.save
+    end
+
+    user = to_user(comment)
+    return if !user
+
+    feed_post = {
+      from:       user.name,
+      body:       post['message'],
+      message_id: post['id'],
+      type:       Ticket::Article::Type.find_by( name: 'facebook feed post' ),
+    }
+    articles = []
+    articles.push( feed_post )
+
+    post['comments']['data'].each { |comment|
+
+      user = to_user(comment)
+
+      next if !user
+
+      post_comment = {
+        from:       user.name,
+        body:       comment['message'],
+        message_id: comment['id'],
+        type:       Ticket::Article::Type.find_by( name: 'facebook feed comment' ),
+      }
+      articles.push( post_comment )
+
+      # TODO: sub-comments
+      # comment_data = @client.get_object( comment['id'] )
+    }
+
+    articles.invert.each { |article|
+
+      break if Ticket::Article.find_by( message_id: article[:message_id] )
+
+      article = {
+        to:        @account['name'],
+        ticket_id: ticket.id,
+        internal:  false,
+      }.merge( article )
+
+      Ticket::Article.create( article )
+    }
+  end
+
+  def to_group(post, group_id)
+
+    Rails.logger.debug 'import post'
+
+    ticket = nil
+    # use transaction
+    ActiveRecord::Base.transaction do
+
+      UserInfo.current_user_id = 1
+
+      existing_article = Ticket::Article.find_by( message_id: post['id'] )
+      if existing_article
+        ticket = existing_article.ticket
+      else
+        ticket = to_ticket(post, group_id)
+        return if !ticket
+      end
+
+      to_article(post, ticket)
+
+      # execute ticket events
+      Observer::Ticket::Notification.transaction
+    end
+
+    ticket
+  end
+
+  def from_article(article)
+
+    post = nil
+    # TODO: article[:type] == 'facebook feed post'
+    if article[:type] == 'facebook feed comment'
+
+      Rails.logger.debug 'Create feed comment from article...'
+
+      post = @client.put_wall_post(article[:body], {}, article[:in_reply_to])
+    else
+      fail "Can't handle unknown facebook article type '#{article[:type]}'."
+    end
+
+    Rails.logger.debug post.inspect
+    @client.get_object( post['id'] )
+  end
+
+  private
+
+  def access_token_for_page(lookup)
+
+    access_token = nil
+    pages.each { |page|
+
+      next if !lookup[:page_id] && !lookup[:page]
+      next if lookup[:page_id] && lookup[:page_id].to_s != page[:id]
+      next if lookup[:page] && lookup[:page] != page[:name]
+
+      access_token = page[:access_token]
+
+      break
+    }
+
+    access_token
+  end
+end