Class: ActsAsFerret::SearchResults

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

Overview

decorator that adds a total_hits accessor and will_paginate compatible paging support to search result arrays

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(results, total_hits, current_page = 1, per_page = nil) ⇒ SearchResults

Returns a new instance of SearchResults.



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# File 'lib/search_results.rb', line 8

def initialize(results, total_hits, current_page = 1, per_page = nil)
  @results = results
  @total_hits = total_hits
  @current_page = current_page
  @per_page = (per_page || total_hits)
  @total_pages   = @per_page > 0 ? (@total_hits / @per_page.to_f).ceil : 0
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(symbol, *args, &block) ⇒ Object 



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# File 'lib/search_results.rb', line 16

def method_missing(symbol, *args, &block)
  @results.send(symbol, *args, &block)
end

Instance Attribute Details

#current_page ⇒ Object (readonly)

Returns the value of attribute current_page.



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# File 'lib/search_results.rb', line 6

def current_page
  @current_page
end

#per_page ⇒ Object (readonly)

Returns the value of attribute per_page.



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# File 'lib/search_results.rb', line 6

def per_page
  @per_page
end

#total_hits ⇒ Object (readonly)

Returns the value of attribute total_hits.



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# File 'lib/search_results.rb', line 6

def total_hits
  @total_hits
end

Instance Method Details

#next_page ⇒ Object

current_page + 1 or nil if there is no next page



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# File 'lib/search_results.rb', line 48

def next_page
  current_page < page_count ? (current_page + 1) : nil
end

#offset ⇒ Object

Current offset of the paginated collection. If we’re on the first page, it is always 0. If we’re on the 2nd page and there are 30 entries per page, the offset is 30. This property is useful if you want to render ordinals besides your records: simply start with offset + 1.



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# File 'lib/search_results.rb', line 38

def offset
  (current_page - 1) * per_page
end

#page_count ⇒ Object

The total number of pages.



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# File 'lib/search_results.rb', line 29

def page_count
  @total_pages
end

#previous_page ⇒ Object

current_page - 1 or nil if there is no previous page



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# File 'lib/search_results.rb', line 43

def previous_page
  current_page > 1 ? (current_page - 1) : nil
end

#respond_to?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/search_results.rb', line 20

def respond_to?(name)
  self.methods.include?(name) || @results.respond_to?(name)
end