bootstraponline
63 lines
1.9 KiB
Ruby
63 lines
1.9 KiB
Ruby
# ~*~ encoding: utf-8 ~*~
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module Gollum
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module Pagination
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def self.included(klass)
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klass.extend ClassMethods
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class << klass
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# Default Integer max count of items to return in git commands.
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attr_accessor :per_page
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end
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klass.per_page = 30
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end
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module ClassMethods
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# Turns a page number into an offset number for the git skip option.
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#
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# page - Integer page number.
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#
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# Returns an Integer.
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def page_to_skip(page)
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([1, page.to_i].max - 1) * per_page
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end
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# Fills in git-specific options for the log command using simple
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# pagination options.
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#
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# options - Hash of options:
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# page - Optional Integer page number (default: 1)
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# per_page - Optional Integer max count of items to return.
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# Defaults to #per_class class method.
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#
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# Returns Hash with :max_count and :skip keys.
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def log_pagination_options(options = {})
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skip = page_to_skip(options.delete(:page))
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options[:max_count] = [options.delete(:per_page).to_i, per_page].max
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options[:skip] = skip if skip > 0
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options
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end
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end
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# Turns a page number into an offset number for the git skip option.
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#
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# page - Integer page number.
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#
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# Returns an Integer.
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def page_to_skip(page)
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self.class.page_to_skip(page)
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end
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# Fills in git-specific options for the log command using simple
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# pagination options.
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#
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# options - Hash of options:
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# page - Optional Integer page number (default: 1)
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# per_page - Optional Integer max count of items to return.
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# Defaults to #per_class class method.
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#
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# Returns Hash with :max_count and :skip keys.
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def log_pagination_options(options = {})
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self.class.log_pagination_options(options)
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end
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end
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end
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