Class: WeThePeople::Collection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/we_the_people/collection.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, conditions, hash, parent = nil) ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/we_the_people/collection.rb', line 6

def initialize(klass, conditions, hash, parent = nil)
  @criteria = conditions
  @parent = parent
  
  if hash['metadata']['resultset']
    @count = hash['metadata']['resultset']['count'].to_i
    @offset = hash['metadata']['resultset']['offset'].to_i
    @limit = hash['metadata']['resultset']['limit'].to_i
  else
    @count = WeThePeople::Config.default_page_size
    @offset = 0
    @limit = WeThePeople::Config.default_page_size
  end

  @klass = klass

  @all = []
  process_results(hash['results'])
end

Instance Attribute Details

#all ⇒ Object (readonly)

Returns the value of attribute all.



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# File 'lib/we_the_people/collection.rb', line 4

def all
  @all
end

#count ⇒ Object (readonly)

Returns the value of attribute count.



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# File 'lib/we_the_people/collection.rb', line 4

def count
  @count
end

#current_page ⇒ Object (readonly)

Returns the value of attribute current_page.



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# File 'lib/we_the_people/collection.rb', line 4

def current_page
  @current_page
end

#limit ⇒ Object (readonly)

Returns the value of attribute limit.



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# File 'lib/we_the_people/collection.rb', line 4

def limit
  @limit
end

#offset ⇒ Object (readonly)

Returns the value of attribute offset.



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# File 'lib/we_the_people/collection.rb', line 4

def offset
  @offset
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/we_the_people/collection.rb', line 67

def each
  @all.each do |record|
    yield record
  end
end

#fetch_current_page ⇒ Object 



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# File 'lib/we_the_people/collection.rb', line 33

def fetch_current_page
  fetch_page(@offset, @limit)
end

#get_all(refresh = false) ⇒ Object 



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# File 'lib/we_the_people/collection.rb', line 44

def get_all(refresh = false)
  if refresh 
    @all = []
    @offset = 0
  end

  (@offset..@count).step(@limit) do |current_offset|
    @all += fetch_page(current_offset, @limit)
  end

  @all
end

#length ⇒ Object Also known as: size 



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# File 'lib/we_the_people/collection.rb', line 57

def length
  @count
end

#next_page ⇒ Object 



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# File 'lib/we_the_people/collection.rb', line 26

def next_page
  @offset += @limit unless @all.empty?

  fetch_current_page
  @current_page
end

#page_length ⇒ Object Also known as: page_size 



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# File 'lib/we_the_people/collection.rb', line 62

def page_length
  @limit
end

#previous_page ⇒ Object 



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# File 'lib/we_the_people/collection.rb', line 37

def previous_page
  @offset -= @limit
  @offset = 0 if @offset < 0

  @all.slice(@offset, @limit)
end