Class: LlmCostTracker::Pagination

Inherits:
Object
  • Object
show all
Defined in:
app/services/llm_cost_tracker/pagination.rb

Constant Summary collapse

DEFAULT_PER = 
50
MAX_PER = 
200
MIN_PAGE = 
1

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(page:, per:) ⇒ Pagination

Returns a new instance of Pagination.



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# File 'app/services/llm_cost_tracker/pagination.rb', line 37

def initialize(page:, per:)
  @page = page
  @per = per
  freeze
end

Instance Attribute Details

#page ⇒ Object (readonly)

Returns the value of attribute page.



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# File 'app/services/llm_cost_tracker/pagination.rb', line 9

def page
  @page
end

#per ⇒ Object (readonly)

Returns the value of attribute per.



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# File 'app/services/llm_cost_tracker/pagination.rb', line 9

def per
  @per
end

Class Method Details

.call(params) ⇒ Object 



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# File 'app/services/llm_cost_tracker/pagination.rb', line 11

def self.call(params)
  params = normalize_params(params)
  new(
    page: integer_param(params, :page, default: MIN_PAGE, min: MIN_PAGE),
    per: integer_param(params, :per, default: DEFAULT_PER, min: 1, max: MAX_PER)
  )
end

Instance Method Details

#limit ⇒ Object 



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# File 'app/services/llm_cost_tracker/pagination.rb', line 43

def limit
  per
end

#next_page?(total_count) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/services/llm_cost_tracker/pagination.rb', line 55

def next_page?(total_count)
  offset + per < total_count.to_i
end

#offset ⇒ Object 



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# File 'app/services/llm_cost_tracker/pagination.rb', line 47

def offset
  (page - 1) * per
end

#prev_page? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/services/llm_cost_tracker/pagination.rb', line 51

def prev_page?
  page > MIN_PAGE
end

#total_pages(total_count) ⇒ Object 



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# File 'app/services/llm_cost_tracker/pagination.rb', line 59

def total_pages(total_count)
  return MIN_PAGE if total_count.to_i <= 0

  [(total_count.to_f / per).ceil, MIN_PAGE].max
end