Class: TwitterObject

Inherits:
Object
  • Object
show all
Defined in:
lib/userstream/twitter_object.rb

Constant Summary collapse

SINGLE_USER_URL = 
"http://api.twitter.com/1/users/show/%s.json"
SINGLE_TWEET_URL = 
"http://api.twitter.com/1/statuses/show/%s.json"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base, data = nil) {|_self| ... } ⇒ TwitterObject

Returns a new instance of TwitterObject.

Yields:

  • (_self)

Yield Parameters:

  • _self (TwitterObject) —

    the object that the method was called on



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# File 'lib/userstream/twitter_object.rb', line 8

def initialize(base, data = nil)
  @base, @data = base, data
  from_json(data) if data
  yield self if block_given?
end

Instance Attribute Details

#base ⇒ Object (readonly)

Returns the value of attribute base.



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# File 'lib/userstream/twitter_object.rb', line 6

def base
  @base
end

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/userstream/twitter_object.rb', line 6

def data
  @data
end

Class Method Details

.attrs ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 46

def self.attrs
  const_get(:ATTRS)
end

.tweet_writer(*attrs) ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 28

def self.tweet_writer(*attrs)
  attrs.each do |attr|
    module_eval "
    def #{attr}=(#{attr})
      @#{attr} = if #{attr}.is_a?(Hash)
        Userstream::Tweet.new(base, #{attr})
      else
        Userstream::Tweet.new(base) {|t| t.id = #{attr}}
      end
    end
    "
  end
end

.user_writer(*attrs) ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 14

def self.user_writer(*attrs)
  attrs.each do |attr|
    module_eval "
    def #{attr}=(#{attr})
      @#{attr} = if #{attr}.is_a?(Hash)
        Userstream::User.new(base, #{attr})
      else
        Userstream::User.new(base) {|u| u.id = #{attr}}
      end
    end
    "
  end
end

Instance Method Details

#from_json(data) ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 42

def from_json(data)
  self.class.attrs.each { |a| self.send(:"#{a}=", data[a.to_s]) }
end

#get_tweet_data(loading_user, ids) ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 84

def get_tweet_data(loading_user, ids)
  ids = Array(ids).uniq
  data = {}
  if ids.empty?
    yield data
  else
    load_tweet_data(loading_user, ids, data) { yield data }
  end
end

#get_user_data(loading_user, ids) ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 111

def get_user_data(loading_user, ids)
  ids = Array(ids).uniq
  data = {}
  if ids.empty?
    yield data
  else
    load_user_data(loading_user, ids, data) { yield data }
  end
end

#load_all(loading_user, &block) ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 50

def load_all(loading_user, &block)
  attrs = self.class.attrs
  if respond_to?(:loaded?) && !loaded?
    if respond_to?(:user_loadable_id)
      from_json(get_user_data(loading_user, user_loadable_id)[user_loadable_id])
      load_all(&block)
    elsif respond_to?(:tweet_loadable_id)
      from_json(get_tweet_data(loading_user, tweet_loadable_id)[tweet_loadable_id])
      load_all(&block)
    end
  else
    tweet_ids = {}
    user_ids = {}
    attrs.each do |a|
      obj = send(a)
      if obj.respond_to?(:loaded?) && !obj.loaded?
        if obj.respond_to?(:user_loadable_id)
          user_ids[a] = obj.user_loadable_id
        elsif obj.respond_to?(:tweet_loadable_id)
          tweet_ids[a] = obj.tweet_loadable_id
        end
      end
    end
    get_tweet_data(loading_user, tweet_ids.values) { |tweet_data|
      tweet_ids.each{|k,v| self.send(:"#{k}=", tweet_data[v])}
      user_data = get_user_data(loading_user, user_ids.values) { |user_data|
        user_ids.each{|k,v| self.send(:"#{k}=", user_data[v])}
        yield self
      }
    }
  end
  
end

#load_tweet_data(loading_user, ids, data, &block) ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 94

def load_tweet_data(loading_user, ids, data, &block)
  id = ids.shift
  if (id)
    parser = Yajl::Parser.new
    parser.on_parse_complete = proc { |parsed|
      data[id] = parsed
      load_tweet_data(ids, data, &block)
    }
    http = base.get_connection(loading_user, "http://api.twitter.com/1/statuses/show/%s.json" % id, :get)
    http.stream { |chunk|
      parser << chunk
    }
  else
    yield
  end
end

#load_user_data(loading_user, ids, data) ⇒ Object 



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# File 'lib/userstream/twitter_object.rb', line 121

def load_user_data(loading_user, ids, data)
  parser = Yajl::Parser.new
  parser.on_parse_complete = proc { |parsed|
    parsed.each do |user|
      data[user["id"]] = user
    end
    yield
  }
  http = base.get_connection(loading_user, "http://api.twitter.com/1/users/lookup.json", :post, :body => {'user_id' => ids.join(',')})
  http.stream { |chunk|
    parser << chunk
  }
end