Class: Facebooker::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/facebooker/parser.rb,
lib/facebooker/parser.rb

Direct Known Subclasses

AddTags, AreFriends, BatchRun, CommentsAdd, CommentsGet, CommentsRemove, CreateAlbum, CreateToken, DashboardAddGlobalNews, DashboardAddNews, DashboardClearGlobalNews, DashboardClearNews, DashboardDecrementCount, DashboardGetActivity, DashboardGetCount, DashboardGetGlobalNews, DashboardGetNews, DashboardIncrementCount, DashboardMultiAddNews, DashboardMultiClearNews, DashboardMultiDecrementCount, DashboardMultiGetCount, DashboardMultiGetNews, DashboardMultiIncrementCount, DashboardMultiSetCount, DashboardPublishActivity, DashboardRemoveActivity, DashboardSetCount, DeactivateTemplateBundleByID, Errors, EventMembersGet, EventsCancel, EventsCreate, EventsGet, EventsRsvp, FqlMultiquery, FqlQuery, FriendListsGet, GetAlbums, GetAllocation, GetAppProperties, GetAppUsers, GetCookies, GetFriends, GetLoggedInUser, GetPhotos, GetPreference, GetPublicInfo, GetRegisteredTemplateBundles, GetRestrictionInfo, GetSession, GetStatus, GetStream, GetTags, GetUnconnectedFriendsCount, GroupGetMembers, GroupsGet, IsAppUser, MessageGetThreadsInFolder, NotificationsGet, NotificationsSend, NotificationsSendEmail, PagesGetInfo, PagesIsAdmin, PagesIsFan, ProfileFBML, ProfileFBMLSet, ProfileInfo, ProfileInfoSet, PublishActionOfUser, PublishStoryToUser, PublishTemplatizedAction, PublishUserAction, RefreshImgSrc, RefreshRefURL, RegisterTemplateBundle, RegisterUsers, RevokeAuthorization, SendRequest, SetAppProperties, SetCookie, SetPreference, SetRefHandle, SetRestrictionInfo, SetStatus, SmsCanSend, SmsSend, StreamAddComment, StreamAddLike, StreamPublish, UnregisterUsers, UploadPhoto, UploadVideo, UserHasPermission, UserInfo, UserStandardInfo

Defined Under Namespace

Modules: REXMLElementExtensions, REXMLTextExtensions

Constant Summary collapse

PARSERS = 
{
  'facebook.auth.revokeAuthorization' => RevokeAuthorization,
  'facebook.auth.createToken' => CreateToken,
  'facebook.auth.getSession' => GetSession,
  'facebook.connect.registerUsers' => RegisterUsers,
  'facebook.connect.unregisterUsers' => UnregisterUsers,
  'facebook.connect.getUnconnectedFriendsCount' => GetUnconnectedFriendsCount,
  'facebook.users.getInfo' => UserInfo,
  'facebook.users.getStandardInfo' => UserStandardInfo,
  'facebook.users.setStatus' => SetStatus,
  'facebook.status.get' => GetStatus,
  'facebook.users.getLoggedInUser' => GetLoggedInUser,
  'facebook.users.hasAppPermission' => UserHasPermission,
  'facebook.users.isAppUser' => IsAppUser,
  'facebook.pages.isAdmin' => PagesIsAdmin,
  'facebook.pages.getInfo' => PagesGetInfo,
  'facebook.pages.isFan' => PagesIsFan,
  'facebook.friends.get' => GetFriends,
  'facebook.friends.getLists' => FriendListsGet,
  'facebook.friends.areFriends' => AreFriends,
  'facebook.friends.getAppUsers' => GetAppUsers,
  'facebook.feed.publishStoryToUser' => PublishStoryToUser,
  'facebook.feed.publishActionOfUser' => PublishActionOfUser,
  'facebook.feed.publishTemplatizedAction' => PublishTemplatizedAction,
  'facebook.feed.registerTemplateBundle' => RegisterTemplateBundle,
  'facebook.feed.deactivateTemplateBundleByID' => DeactivateTemplateBundleByID,
  'facebook.feed.getRegisteredTemplateBundles' => GetRegisteredTemplateBundles,
  'facebook.feed.publishUserAction' => PublishUserAction,
  'facebook.message.getThreadsInFolder' => MessageGetThreadsInFolder,
  'facebook.notifications.get' => NotificationsGet,
  'facebook.notifications.send' => NotificationsSend,
  'facebook.notifications.sendRequest' => SendRequest,
  'facebook.profile.getFBML' => ProfileFBML,
  'facebook.profile.setFBML' => ProfileFBMLSet,
  'facebook.profile.getInfo' => ProfileInfo,
  'facebook.profile.setInfo' => ProfileInfoSet,
  'facebook.fbml.setRefHandle' => SetRefHandle,
  'facebook.fbml.refreshRefUrl' => RefreshRefURL,
  'facebook.fbml.refreshImgSrc' => RefreshImgSrc,
  'facebook.data.setCookie' => SetCookie,
  'facebook.data.getCookies' => GetCookies,
  'facebook.admin.setAppProperties' => SetAppProperties,
  'facebook.admin.getAppProperties' => GetAppProperties,
  'facebook.admin.setRestrictionInfo' => SetRestrictionInfo,
  'facebook.admin.getRestrictionInfo' => GetRestrictionInfo,
  'facebook.admin.getAllocation' => GetAllocation,
  'facebook.application.getPublicInfo' => GetPublicInfo,
  'facebook.batch.run' => BatchRun,
  'facebook.fql.query' => FqlQuery,
  'facebook.fql.multiquery' => FqlMultiquery,
  'facebook.photos.get' => GetPhotos,
  'facebook.photos.getAlbums' => GetAlbums,
  'facebook.photos.createAlbum' => CreateAlbum,
  'facebook.photos.getTags' => GetTags,
  'facebook.photos.addTag' => AddTags,
  'facebook.photos.upload' => UploadPhoto,
  'facebook.stream.get' => GetStream,
  'facebook.stream.publish' => StreamPublish,
  'facebook.stream.addComment' => StreamAddComment,
  'facebook.stream.addLike' => StreamAddLike,
  'facebook.events.create' => EventsCreate,
  'facebook.events.cancel' => EventsCancel,
  'facebook.events.get' => EventsGet,
  'facebook.events.rsvp' => EventsRsvp,
  'facebook.groups.get' => GroupsGet,
  'facebook.events.getMembers' => EventMembersGet,
  'facebook.groups.getMembers' => GroupGetMembers,
  'facebook.notifications.sendEmail' => NotificationsSendEmail,
  'facebook.data.getUserPreference' => GetPreference,
  'facebook.data.setUserPreference' => SetPreference,
  'facebook.video.upload' => UploadVideo,
  'facebook.sms.send' => SmsSend,
  'facebook.sms.canSend' => SmsCanSend,
  'facebook.comments.add' => CommentsAdd,
  'facebook.comments.remove' => CommentsRemove,
  'facebook.comments.get' => CommentsGet,
  'facebook.dashboard.setCount' => DashboardSetCount,
  'facebook.dashboard.getCount' => DashboardGetCount,
  'facebook.dashboard.incrementCount' => DashboardIncrementCount,
  'facebook.dashboard.decrementCount' => DashboardDecrementCount,
  'facebook.dashboard.multiGetCount' => DashboardMultiGetCount,
  'facebook.dashboard.multiSetCount' => DashboardMultiSetCount,
  'facebook.dashboard.multiIncrementCount' => DashboardMultiIncrementCount,
  'facebook.dashboard.multiDecrementCount' => DashboardMultiDecrementCount,
  'facebook.dashboard.addGlobalNews' => DashboardAddGlobalNews,
  'facebook.dashboard.getGlobalNews' => DashboardGetGlobalNews,
  'facebook.dashboard.clearGlobalNews' => DashboardClearGlobalNews,
  'facebook.dashboard.addNews' => DashboardAddNews,
  'facebook.dashboard.getNews' => DashboardGetNews,
  'facebook.dashboard.clearNews' => DashboardClearNews,
  'facebook.dashboard.multiAddNews' => DashboardMultiAddNews,
  'facebook.dashboard.multiGetNews' => DashboardMultiGetNews,
  'facebook.dashboard.multiClearNews' => DashboardMultiClearNews,
  'facebook.dashboard.publishActivity' => DashboardPublishActivity,
  'facebook.dashboard.removeActivity' => DashboardRemoveActivity,
  'facebook.dashboard.getActivity' => DashboardGetActivity
}

Class Method Summary collapse

Class Method Details

.anonymous_field_from(child, hash) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 154

def self.anonymous_field_from(child, hash)
  if child.name == 'anon'
    (hash[child.name] || []) << child.content.strip
  end
end

.array_of(response_element, element_name) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 42

def self.array_of(response_element, element_name)
  values_to_return = []
  response_element.children.each do |element|
    next if element.text?
    next unless element.name == element_name
    values_to_return << yield(element)
  end
  values_to_return
end

.array_of_hashes(response_element, element_name) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 58

def self.array_of_hashes(response_element, element_name)
  array_of(response_element, element_name) do |element|
    hashinate(element)
  end
end

.array_of_text_values(response_element, element_name) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 52

def self.array_of_text_values(response_element, element_name)
  array_of(response_element, element_name) do |element|
    element.content.strip
  end
end

.booleanize(response) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 150

def self.booleanize(response)
  response == "1" ? true : false
end

.element(name, data) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 64

def self.element(name, data)
  data = data.body rescue data # either data or an HTTP response
  if Object.const_defined?(:Nokogiri)
    xml = Nokogiri::XML(data.strip)
    if node = xml.at(name)
      return node
    end
    if xml.root.name == name
      return xml.root
    end
  else
    doc = REXML::Document.new(data)
    doc.elements.each(name) do |element|
      return element
    end
  end
  raise "Element #{name} not found in #{data}"
end

.hash_by_key_or_value_for(element, convert_1_to_true = false) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 112

def self.hash_by_key_or_value_for(element, convert_1_to_true=false)
  if element.children.size == 0
    { element['key'] => nil }
  elsif element.children.size == 1 && element.children.first.text?
    { element['key'] => (convert_1_to_true ? element.content.strip == '1' : element.content.strip) }
  else
    hashinate_by_key(element, convert_1_to_true)
  end
end

.hash_or_value_for(element) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 83

def self.hash_or_value_for(element)
  if element.children.size == 1 && element.children.first.text?
    element.content.strip
  else
    hashinate(element)
  end
end

.hashinate(response_element) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 91

def self.hashinate(response_element)
  response_element.children.reject{|c| c.text? }.inject({}) do |hash, child|
    # If the node hasn't any child, and is not a list, we want empty strings, not empty hashes,
    #   except if attributes['nil'] == true
    hash[child.name] =
    if (child['nil'] == 'true')
      nil
    elsif (child.children.size == 1 && child.children.first.text?) || (child.children.size == 0 && child['list'] != 'true')
      anonymous_field_from(child, hash) || child.content.strip
    elsif child['list'] == 'true'
      child.children.reject{|c| c.text? }.map { |subchild| hash_or_value_for(subchild)}
    else
      child.children.reject{|c| c.text? }.inject({}) do |subhash, subchild|
        subhash[subchild.name] = hash_or_value_for(subchild)
        subhash
      end
    end #if (child.attributes)
    hash
  end #do |hash, child|
end

.hashinate_by_key(response_element, convert_1_to_true = false) ⇒ Object

A modification to hashinate. The new dashboard API returns XML in a different format than the other calls. What used to be the element name has become an attribute called “key”.



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# File 'lib/facebooker/parser.rb', line 124

def self.hashinate_by_key(response_element, convert_1_to_true=false)
  response_element.children.reject{|c| c.text? }.inject({}) do |hash, child|
    
    # If the node hasn't any child, and is not a list, we want empty strings, not empty hashes,
    #   except if attributes['nil'] == true
    hash[child['key']] =
    if (child['nil'] == 'true')
      nil
    elsif (child.children.size == 1 && child.children.first.text?) || (child.children.size == 0 && child['list'] != 'true')
      anonymous_field_from(child, hash) || (convert_1_to_true ? child.content.strip == '1' : child.content.strip)
    elsif child['list'] == 'true' && child.children.reject {|subchild| subchild.text?}.all? { |subchild| !subchild.text? && subchild['key'].nil? }
      child.children.reject{|c| c.text? }.map { |subchild| hash_by_key_or_value_for(subchild, convert_1_to_true)}
    elsif child['list'] == 'true'
      hash_by_key_or_value_for(child, convert_1_to_true)
    else
      child.children.reject{|c| c.text? }.inject({}) do |subhash, subchild|
        subhash[subchild['key']] = hash_by_key_or_value_for(subchild, convert_1_to_true)
        subhash
      end
    end
    hash
  end
end

.parse(method, data) ⇒ Object 



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# File 'lib/facebooker/parser.rb', line 35

def self.parse(method, data)
  Errors.process(data)
  parser = Parser::PARSERS[method]
  raise "Can't find a parser for '#{method}'" unless parser
  parser.process(data)
end