88 lines
2.7 KiB
Ruby
88 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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# This class includes overriding Kernel#format method
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# what makes impossible to use it here
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# rubocop:disable Style/FormatString
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module Gitlab
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module GithubImport
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class MarkdownText
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include Gitlab::EncodingHelper
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# On github.com we have base url for docs and CDN url for media.
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# On github EE as far as we can know there is no CDN urls and media is placed on base url.
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GITHUB_MEDIA_CDN = 'https://user-images.githubusercontent.com'
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ISSUE_REF_MATCHER = '%{github_url}/%{import_source}/issues'
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PULL_REF_MATCHER = '%{github_url}/%{import_source}/pull'
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class << self
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def format(...)
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new(...).to_s
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end
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# Links like `https://domain.github.com/<namespace>/<project>/pull/<iid>` needs to be converted
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def convert_ref_links(text, project)
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matcher_options = { github_url: github_url, import_source: project.import_source }
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issue_ref_matcher = ISSUE_REF_MATCHER % matcher_options
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pull_ref_matcher = PULL_REF_MATCHER % matcher_options
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url_helpers = Rails.application.routes.url_helpers
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text.gsub(issue_ref_matcher, url_helpers.project_issues_url(project))
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.gsub(pull_ref_matcher, url_helpers.project_merge_requests_url(project))
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end
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# Returns github domain without slash in the end
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def github_url
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oauth_config = Gitlab::Auth::OAuth::Provider.config_for('github') || {}
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url = oauth_config['url'].presence || 'https://github.com'
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url = url.chop if url.end_with?('/')
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url
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end
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def fetch_attachments(text)
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attachments = []
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doc = CommonMarker.render_doc(text)
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doc.walk do |node|
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attachment = extract_attachment(node)
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attachments << attachment if attachment
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end
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attachments
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end
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private
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def extract_attachment(node)
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::Gitlab::GithubImport::Markdown::Attachment.from_markdown(node)
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end
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end
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# text - The Markdown text as a String.
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# author - An instance of `Gitlab::GithubImport::Representation::User`
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# exists - Boolean that indicates the user exists in the GitLab database.
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def initialize(text, author, exists = false)
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@text = text.to_s
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@author = author
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@exists = exists
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end
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def to_s
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# Gitlab::EncodingHelper#clean remove `null` chars from the string
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clean(format)
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end
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private
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attr_reader :text, :author, :exists
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def format
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if author&.login.present? && !exists
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"*Created by: #{author.login}*\n\n#{text}"
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else
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text
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end
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end
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end
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end
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end
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# rubocop:enable Style/FormatString
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