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60 lines
1.4 KiB
Ruby
60 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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module Bitbucket
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class Paginator
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PAGE_LENGTH = 50 # The minimum length is 10 and the maximum is 100.
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def initialize(connection, url, type, page_number: nil, limit: nil)
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@connection = connection
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@type = type
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@url = url
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@page_number = page_number
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@limit = limit
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@total = 0
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end
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def items
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raise StopIteration if over_limit?
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raise StopIteration unless has_next_page?
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@page = fetch_next_page
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@total += @page.items.count
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@page.items
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end
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private
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attr_reader :connection, :page, :url, :type, :page_number, :limit
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def has_next_page?
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page.nil? || page.next?
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end
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def next_url
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page.nil? ? url : page.next
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end
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def max_per_page
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limit || PAGE_LENGTH
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end
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def over_limit?
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return false unless limit
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limit > 0 && @total >= limit
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end
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# Note to self for specs:
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# - Allowed pagelen to be set by limit instead of just using PAGE_LENGTH
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# - Allow specifying a starting page to grab one page at a time, so PageCounter can be used for logging
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# - Added over_limit? to make sure only one page is called.
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def fetch_next_page
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extra_query = { pagelen: max_per_page }
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extra_query[:page] = page_number if page_number && limit
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parsed_response = connection.get(next_url, extra_query)
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Page.new(parsed_response, type)
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end
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end
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end
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