Module: RSolr::Pagination::Paginator

Defined in:
lib/rsolr/pagination.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#per_page ⇒ Object

Returns the value of attribute per_page.



21
22
23
 
# File 'lib/rsolr/pagination.rb', line 21

def per_page
  @per_page
end

#start ⇒ Object

Returns the value of attribute start.



21
22
23
 
# File 'lib/rsolr/pagination.rb', line 21

def start
  @start
end

#total ⇒ Object

Returns the value of attribute total.



21
22
23
 
# File 'lib/rsolr/pagination.rb', line 21

def total
  @total
end

Instance Method Details

#current_page ⇒ Object

Returns the current page calculated from ‘rows’ and ‘start’ WillPaginate hook



25
26
27
28
29
 
# File 'lib/rsolr/pagination.rb', line 25

def current_page
  return 1 if start < 1
  per_page_normalized = per_page < 1 ? 1 : per_page
  @current_page ||= (start / per_page_normalized).ceil + 1
end

#has_next? ⇒ Boolean

Returns:

  • (Boolean) 


49
50
51
 
# File 'lib/rsolr/pagination.rb', line 49

def has_next?
  current_page < total_pages
end

#has_previous? ⇒ Boolean

Returns:

  • (Boolean) 


53
54
55
 
# File 'lib/rsolr/pagination.rb', line 53

def has_previous?
  current_page > 1
end

#next_page ⇒ Object

returns the next page number or the last WillPaginate hook



45
46
47
 
# File 'lib/rsolr/pagination.rb', line 45

def next_page
  @next_page ||= (current_page == total_pages) ? total_pages : current_page+1
end

#previous_page ⇒ Object

returns the previous page number or 1 WillPaginate hook



39
40
41
 
# File 'lib/rsolr/pagination.rb', line 39

def previous_page
  @previous_page ||= (current_page > 1) ? current_page - 1 : 1
end

#total_pages ⇒ Object

Calcuates the total pages from ‘numFound’ and ‘rows’ WillPaginate hook



33
34
35
 
# File 'lib/rsolr/pagination.rb', line 33

def total_pages
  @total_pages ||= per_page > 0 ? (total / per_page.to_f).ceil : 1
end