1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
# frozen_string_literal: true
module Bitbucket
class Paginator
PAGE_LENGTH = 50 # The minimum length is 10 and the maximum is 100.
def initialize(connection, url, type, page_number: nil, limit: nil)
@connection = connection
@type = type
@url = url
@page_number = page_number
@limit = limit
@total = 0
end
def items
raise StopIteration if over_limit?
raise StopIteration unless has_next_page?
@page = fetch_next_page
@total += @page.items.count
@page.items
end
private
attr_reader :connection, :page, :url, :type, :page_number, :limit
def has_next_page?
page.nil? || page.next?
end
def next_url
page.nil? ? url : page.next
end
def max_per_page
limit || PAGE_LENGTH
end
def over_limit?
return false unless limit
limit > 0 && @total >= limit
end
# Note to self for specs:
# - Allowed pagelen to be set by limit instead of just using PAGE_LENGTH
# - Allow specifying a starting page to grab one page at a time, so PageCounter can be used for logging
# - Added over_limit? to make sure only one page is called.
def fetch_next_page
extra_query = { pagelen: max_per_page }
extra_query[:page] = page_number if page_number && limit
parsed_response = connection.get(next_url, extra_query)
Page.new(parsed_response, type)
end
end
end
|
