Class: SlackBot::Pager

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

Constant Summary collapse

DEFAULT_PAGE = 
1
DEFAULT_LIMIT = 
10

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source_cursor, args:, limit: nil, page: nil) ⇒ Pager

Returns a new instance of Pager.



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# File 'lib/slack_bot/pager.rb', line 7

def initialize(source_cursor, args:, limit: nil, page: nil)
  @source_cursor = source_cursor
  @args = args
  @limit = limit || @args[:per_page]&.to_i || DEFAULT_LIMIT
  @page = page || @args[:page]&.to_i || DEFAULT_PAGE
end

Instance Attribute Details

#args ⇒ Object (readonly)

Returns the value of attribute args.



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# File 'lib/slack_bot/pager.rb', line 6

def args
  @args
end

#limit ⇒ Object (readonly)

Returns the value of attribute limit.



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# File 'lib/slack_bot/pager.rb', line 6

def limit
  @limit
end

#page ⇒ Object (readonly)

Returns the value of attribute page.



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# File 'lib/slack_bot/pager.rb', line 6

def page
  @page
end

#source_cursor ⇒ Object (readonly)

Returns the value of attribute source_cursor.



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# File 'lib/slack_bot/pager.rb', line 6

def source_cursor
  @source_cursor
end

Instance Method Details

#cursor ⇒ Object 



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# File 'lib/slack_bot/pager.rb', line 26

def cursor
  source_cursor.limit(limit).offset(offset)
end

#offset ⇒ Object 



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# File 'lib/slack_bot/pager.rb', line 22

def offset
  (page - 1) * limit
end

#pages_count ⇒ Object 



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# File 'lib/slack_bot/pager.rb', line 18

def pages_count
  (source_cursor.count.to_f / limit).ceil
end

#total_count ⇒ Object 



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# File 'lib/slack_bot/pager.rb', line 14

def total_count
  source_cursor.count
end