Class: FbGraph::Collection

Inherits:
Array
  • Object
show all
Defined in:
lib/fb_graph/collection.rb

Direct Known Subclasses

Connection, Searchable::Result

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(collection = nil) ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/fb_graph/collection.rb', line 5

def initialize(collection = nil)
  collection = case collection
  when Array
    {:data => collection, :count => collection.size}
  when Hash
    collection[:data] ||= []
    collection
  when nil
    collection = {:data => [], :count => 0}
  else
    raise ArgumentError.new("Invalid collection")
  end

  # NOTE: Graph API returns {"data":{"to":[null]}} sometimes... :(
  collection[:data].delete_if(&:nil?)

  replace collection[:data]

  if (summary = collection[:summary]).present?
    @total_count = summary[:total_count]
    @unread_count = summary[:unread_count]
    @updated_time = Time.parse(summary[:updated_time]) if summary[:updated_time]
  else
    @total_count = collection[:count]
  end
  @previous, @next, @cursors = {}, {}, {}
  if (paging = collection[:paging])
    if paging[:previous]
      @previous = fetch_params(paging[:previous])
    end
    if paging[:next]
      @next = fetch_params(paging[:next])
    end
    if paging[:cursors]
      @cursors[:after] = paging[:cursors].try(:[], :after)
      @cursors[:before] = paging[:cursors].try(:[], :before)
    end
  end
end

Instance Attribute Details

#cursors ⇒ Object (readonly)

Returns the value of attribute cursors.



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# File 'lib/fb_graph/collection.rb', line 3

def cursors
  @cursors
end

#next ⇒ Object (readonly)

Returns the value of attribute next.



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# File 'lib/fb_graph/collection.rb', line 3

def next
  @next
end

#previous ⇒ Object (readonly)

Returns the value of attribute previous.



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# File 'lib/fb_graph/collection.rb', line 3

def previous
  @previous
end

#total_count ⇒ Object (readonly)

Returns the value of attribute total_count.



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# File 'lib/fb_graph/collection.rb', line 3

def total_count
  @total_count
end

#unread_count ⇒ Object (readonly)

Returns the value of attribute unread_count.



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# File 'lib/fb_graph/collection.rb', line 3

def unread_count
  @unread_count
end

#updated_time ⇒ Object (readonly)

Returns the value of attribute updated_time.



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# File 'lib/fb_graph/collection.rb', line 3

def updated_time
  @updated_time
end