Class: Jekyll::PaginateV2::Generator::Paginator

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll-paginate-v2-redux/generator/paginator.rb

Overview

Handles the preparation of all the posts based on the current page index

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config_per_page, first_index_page_url, paginated_page_url, posts, cur_page_nr, num_pages) ⇒ Paginator

Initialize a new Paginator.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 21

def initialize(config_per_page, first_index_page_url, paginated_page_url, posts, cur_page_nr, num_pages)
  @page = cur_page_nr
  @per_page = config_per_page.to_i
  @total_pages = num_pages

  if @page > @total_pages
    raise RuntimeError, "page number can't be greater than total pages: #{@page} > #{@total_pages}"
  end

  init = (@page - 1) * @per_page
  offset = (init + @per_page - 1) >= posts.size ? posts.size : (init + @per_page - 1)

  @total_posts = posts.size
  @posts = posts[init..offset]
  @page_path = @page == 1 ? first_index_page_url : Utils.format_page_number(paginated_page_url, cur_page_nr, @total_pages)
  @previous_page = @page != 1 ? @page - 1 : nil
  @previous_page_path = @page != 1 ? @page == 2 ? first_index_page_url : Utils.format_page_number(paginated_page_url, @previous_page, @total_pages) : nil
  @next_page = @page != @total_pages ? @page + 1 : nil
  @next_page_path = @page != @total_pages ? Utils.format_page_number(paginated_page_url, @next_page, @total_pages) : nil
end

Instance Attribute Details

#next_page ⇒ Object (readonly)

Returns the value of attribute next_page.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def next_page
  @next_page
end

#next_page_path ⇒ Object (readonly)

Returns the value of attribute next_page_path.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def next_page_path
  @next_page_path
end

#page ⇒ Object (readonly)

Returns the value of attribute page.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def page
  @page
end

#page_path ⇒ Object (readonly)

Returns the value of attribute page_path.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def page_path
  @page_path
end

#page_trail ⇒ Object

Returns the value of attribute page_trail.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def page_trail
  @page_trail
end

#per_page ⇒ Object (readonly)

Returns the value of attribute per_page.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def per_page
  @per_page
end

#posts ⇒ Object (readonly)

Returns the value of attribute posts.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def posts
  @posts
end

#previous_page ⇒ Object (readonly)

Returns the value of attribute previous_page.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def previous_page
  @previous_page
end

#previous_page_path ⇒ Object (readonly)

Returns the value of attribute previous_page_path.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def previous_page_path
  @previous_page_path
end

#total_pages ⇒ Object (readonly)

Returns the value of attribute total_pages.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def total_pages
  @total_pages
end

#total_posts ⇒ Object (readonly)

Returns the value of attribute total_posts.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 8

def total_posts
  @total_posts
end

Instance Method Details

#to_liquid ⇒ Object

Convert this Paginator’s data to a Hash suitable for use by Liquid.

Returns the Hash representation of this Paginator.



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# File 'lib/jekyll-paginate-v2-redux/generator/paginator.rb', line 45

def to_liquid
  {
    'per_page' => per_page,
    'posts' => posts,
    'total_posts' => total_posts,
    'total_pages' => total_pages,
    'page' => page,
    'page_path' => page_path,
    'previous_page' => previous_page,
    'previous_page_path' => previous_page_path,
    'next_page' => next_page,
    'next_page_path' => next_page_path,
    'page_trail' => page_trail
  }
end