63 lines
1.7 KiB
Ruby
63 lines
1.7 KiB
Ruby
require 'gitlab/markdown'
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module Gitlab
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# Extract possible GFM references from an arbitrary String for further processing.
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class ReferenceExtractor
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attr_accessor :project, :current_user, :load_lazy_references
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def initialize(project, current_user = nil, load_lazy_references: true)
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@project = project
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@current_user = current_user
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@load_lazy_references = load_lazy_references
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@texts = []
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@references = {}
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end
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def analyze(text, options = {})
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@texts << Gitlab::Markdown.render(text, options.merge(project: project))
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end
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%i(user label issue merge_request snippet commit commit_range).each do |type|
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define_method("#{type}s") do
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@references[type] ||= pipeline_result(type)
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end
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end
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private
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# Instantiate and call HTML::Pipeline with a single reference filter type,
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# returning the result
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#
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# filter_type - Symbol reference type (e.g., :commit, :issue, etc.)
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#
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# Returns the results Array for the requested filter type
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def pipeline_result(filter_type)
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filter = Gitlab::Markdown::ReferenceFilter[filter_type]
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context = {
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pipeline: :reference_extraction,
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project: project,
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current_user: current_user,
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# ReferenceGathererFilter
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load_lazy_references: false,
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reference_filter: filter
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}
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values = @texts.flat_map do |html|
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text_context = context.dup
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result = Gitlab::Markdown.render_result(html, text_context)
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result[:references][filter_type]
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end.uniq
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if @load_lazy_references
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values = Gitlab::Markdown::ReferenceFilter::LazyReference.load(values).uniq
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end
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values
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end
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end
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end
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