Class: Pagy::Offset

Inherits:
Pagy
  • Object
show all
Includes:
Deprecated::Offset, NumericHelpers, Rangeable, Shiftable
Defined in:
lib/pagy/classes/offset/offset.rb,
lib/pagy/classes/offset/countish.rb,
lib/pagy/classes/offset/countless.rb

Overview

Implements Offset Pagination

Direct Known Subclasses

Countish, Countless, SearchBase

Defined Under Namespace

Classes: Countish, Countless

Constant Summary collapse

DEFAULT = 
{ page: 1 }.freeze

Constants inherited from Pagy

A_TAG, DEFAULT_DATA_KEYS, DEFAULT_HEADERS_MAP, LABEL_TOKEN, LIMIT_TOKEN, Method, OPTIONS, PAGE_TOKEN, ROOT, SERIES_SLOTS, VERSION

Instance Attribute Summary collapse

Attributes inherited from Pagy

#limit, #options, #page

Instance Method Summary collapse

Methods included from NumericHelpers

#info_tag, #input_nav_js, #limit_tag_js, #previous_tag, #series_nav, #series_nav_js

Methods included from Rangeable

#in_range?

Methods inherited from Pagy

#data_hash, #headers_hash, #next_tag, #page_url, #urls_hash

Methods included from Configurable

#dev_tools, #options, #sync, #sync_javascript, #translate_with_the_slower_i18n_gem!

Methods included from Discontinued

#assign_options

Methods included from Deprecated::Pagy

#assign_options

Constructor Details

#initialize ⇒ Offset

Returns a new instance of Offset.



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# File 'lib/pagy/classes/offset/offset.rb', line 18

def initialize(**)
  assign_options(**)
  assign_and_check(limit: 1, count: 0, page: 1)
  assign_last
  assign_offset

  unless in_range? { @page <= @last }
    assign_empty_page_variables
    return
  end

  @from = [@offset + 1, @count].min
  @to   = [@offset + @limit, @count].min
  @in   = [@to - @from + 1, @count].min

  assign_previous_and_next
end

Instance Attribute Details

#count ⇒ Object (readonly)

Returns the value of attribute count.



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# File 'lib/pagy/classes/offset/offset.rb', line 36

def count
  @count
end

#from ⇒ Object (readonly)

Returns the value of attribute from.



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# File 'lib/pagy/classes/offset/offset.rb', line 36

def from
  @from
end

#in ⇒ Object (readonly)

Returns the value of attribute in.



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# File 'lib/pagy/classes/offset/offset.rb', line 36

def in
  @in
end

#last ⇒ Object (readonly) Also known as: pages

Returns the value of attribute last.



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# File 'lib/pagy/classes/offset/offset.rb', line 36

def last
  @last
end

#next ⇒ Object (readonly)

Returns the value of attribute next.



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# File 'lib/pagy/classes/offset/offset.rb', line 36

def next
  @next
end

#offset ⇒ Object (readonly)

Returns the value of attribute offset.



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# File 'lib/pagy/classes/offset/offset.rb', line 36

def offset
  @offset
end

#previous ⇒ Object (readonly)

Returns the value of attribute previous.



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# File 'lib/pagy/classes/offset/offset.rb', line 36

def previous
  @previous
end

#to ⇒ Object (readonly)

Returns the value of attribute to.



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# File 'lib/pagy/classes/offset/offset.rb', line 36

def to
  @to
end

Instance Method Details

#records(collection) ⇒ Object 



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# File 'lib/pagy/classes/offset/offset.rb', line 39

def records(collection)
  collection.offset(@offset).limit(@limit)
end