Class: Lurch::Paginator

Inherits:
Object
  • Object
show all
Defined in:
lib/lurch/paginator.rb

Instance Method Summary collapse

Constructor Details

#initialize(store, document, inflector, config) ⇒ Paginator

Returns a new instance of Paginator.



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# File 'lib/lurch/paginator.rb', line 3

def initialize(store, document, inflector, config)
  @store = store
  @links = document["links"]
  @meta = document["meta"]
  @config = config
  @inflector = inflector
end

Instance Method Details

#first? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lurch/paginator.rb', line 45

def first?
  !!first_link
end

#first_collection ⇒ Object 



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# File 'lib/lurch/paginator.rb', line 29

def first_collection
  first_link && @store.load_from_url(first_link)
end

#last? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lurch/paginator.rb', line 49

def last?
  !!last_link
end

#last_collection ⇒ Object 



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# File 'lib/lurch/paginator.rb', line 33

def last_collection
  last_link && @store.load_from_url(last_link)
end

#next? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lurch/paginator.rb', line 37

def next?
  !!next_link
end

#next_collection ⇒ Object 



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# File 'lib/lurch/paginator.rb', line 21

def next_collection
  next_link && @store.load_from_url(next_link)
end

#page_count ⇒ Object 



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# File 'lib/lurch/paginator.rb', line 16

def page_count
  key = @inflector.encode_key(@config.pagination_page_count_key)
  @meta[key]
end

#prev? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lurch/paginator.rb', line 41

def prev?
  !!prev_link
end

#prev_collection ⇒ Object 



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# File 'lib/lurch/paginator.rb', line 25

def prev_collection
  prev_link && @store.load_from_url(prev_link)
end

#record_count ⇒ Object 



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# File 'lib/lurch/paginator.rb', line 11

def record_count
  key = @inflector.encode_key(@config.pagination_record_count_key)
  @meta[key]
end