Class: Cadenya::Internal::CursorPagination

Inherits:
Object
  • Object
show all
Includes:
Type::BasePage
Defined in:
lib/cadenya/internal/cursor_pagination.rb

Overview

Examples:

if cursor_pagination.has_next?
  cursor_pagination = cursor_pagination.next_page
end
cursor_pagination.auto_paging_each do |agent|
  puts(agent)
end

Defined Under Namespace

Classes: Pagination

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Type::BasePage

#to_enum

Constructor Details

#initialize(client:, req:, headers:, page_data:) ⇒ CursorPagination

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of CursorPagination.

Parameters:



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# File 'lib/cadenya/internal/cursor_pagination.rb', line 65

def initialize(client:, req:, headers:, page_data:)
  super

  case page_data
  in {items: Array => items}
    @items = items.map { Cadenya::Internal::Type::Converter.coerce(@model, _1) }
  else
  end
  case page_data
  in {pagination: Hash | nil => pagination}
    @pagination =
      Cadenya::Internal::Type::Converter.coerce(
        Cadenya::Internal::CursorPagination::Pagination,
        pagination
      )
  else
  end
end

Instance Attribute Details

#items ⇒ Array<generic<Elem>>?

Returns:

  • (Array<generic<Elem>>, nil) 


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# File 'lib/cadenya/internal/cursor_pagination.rb', line 20

def items
  @items
end

#pagination ⇒ Pagination

Returns:



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# File 'lib/cadenya/internal/cursor_pagination.rb', line 23

def pagination
  @pagination
end

Instance Method Details

#auto_paging_each(&blk) {|| ... } ⇒ Object

Parameters:

  • blk (Proc)

Yield Parameters:

  • (generic<Elem>) 


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# File 'lib/cadenya/internal/cursor_pagination.rb', line 45

def auto_paging_each(&blk)
  unless block_given?
    raise ArgumentError.new("A block must be given to ##{__method__}")
  end

  page = self
  loop do
    page.items&.each(&blk)

    break unless page.next_page?
    page = page.next_page
  end
end

#inspect ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (String) 


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# File 'lib/cadenya/internal/cursor_pagination.rb', line 87

def inspect
  model = Cadenya::Internal::Type::Converter.inspect(@model, depth: 1)

  "#<#{self.class}[#{model}]:0x#{object_id.to_s(16)}>"
end

#next_page ⇒ self

Returns:

  • (self)

Raises:

  • (Cadenya::HTTP::Error) 


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# File 'lib/cadenya/internal/cursor_pagination.rb', line 32

def next_page
  unless next_page?
    message = "No more pages available. Please check #next_page? before calling ##{__method__}"
    raise RuntimeError.new(message)
  end

  req = Cadenya::Internal::Util.deep_merge(@req, {query: {cursor: pagination&.next_cursor}})
  @client.request(req)
end

#next_page? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cadenya/internal/cursor_pagination.rb', line 26

def next_page?
  !items.to_a.empty? && !pagination&.next_cursor.to_s.empty?
end