diff options
Diffstat (limited to 'lib/gitlab/markdown/reference_filter.rb')
| -rw-r--r-- | lib/gitlab/markdown/reference_filter.rb | 71 |
1 files changed, 44 insertions, 27 deletions
diff --git a/lib/gitlab/markdown/reference_filter.rb b/lib/gitlab/markdown/reference_filter.rb index 9b293c957d6..a4c560f578c 100644 --- a/lib/gitlab/markdown/reference_filter.rb +++ b/lib/gitlab/markdown/reference_filter.rb @@ -11,30 +11,57 @@ module Gitlab # Context options: # :project (required) - Current project, ignored if reference is cross-project. # :only_path - Generate path-only links. - # - # Results: - # :references - A Hash of references that were found and replaced. class ReferenceFilter < HTML::Pipeline::Filter - def initialize(*args) - super + LazyReference = Struct.new(:klass, :ids) do + def self.load(refs) + lazy_references, values = refs.partition { |ref| ref.is_a?(self) } + + lazy_values = lazy_references.group_by(&:klass).flat_map do |klass, refs| + ids = refs.flat_map(&:ids) + klass.where(id: ids) + end + + values + lazy_values + end + + def load + self.klass.where(id: self.ids) + end + end + + def self.user_can_reference?(user, node, context) + if node.has_attribute?('data-project') + project_id = node.attr('data-project').to_i + return true if project_id == context[:project].try(:id) + + project = Project.find(project_id) rescue nil + Ability.abilities.allowed?(user, :read_project, project) + else + true + end + end - result[:references] = Hash.new { |hash, type| hash[type] = [] } + def self.referenced_by(node) + raise NotImplementedError, "#{self} does not implement #{__method__}" end # Returns a data attribute String to attach to a reference link # - # id - Object ID - # type - Object type (default: :project) + # attributes - Hash, where the key becomes the data attribute name and the + # value is the data attribute value # # Examples: # - # data_attribute(1) # => "data-project-id=\"1\"" - # data_attribute(2, :user) # => "data-user-id=\"2\"" - # data_attribute(3, :group) # => "data-group-id=\"3\"" + # data_attribute(project: 1, issue: 2) + # # => "data-reference-filter=\"Gitlab::Markdown::SomeReferenceFilter\" data-project=\"1\" data-issue=\"2\"" + # + # data_attribute(project: 3, merge_request: 4) + # # => "data-reference-filter=\"Gitlab::Markdown::SomeReferenceFilter\" data-project=\"3\" data-merge-request=\"4\"" # # Returns a String - def data_attribute(id, type = :project) - %Q(data-#{type}-id="#{id}") + def data_attribute(attributes = {}) + attributes[:reference_filter] = self.class.name + attributes.map { |key, value| %Q(data-#{key.to_s.dasherize}="#{value}") }.join(" ") end def escape_once(html) @@ -59,16 +86,6 @@ module Gitlab context[:project] end - # Add a reference to the pipeline's result Hash - # - # type - Singular Symbol reference type (e.g., :issue, :user, etc.) - # values - One or more Objects to add - def push_result(type, *values) - return if values.empty? - - result[:references][type].push(*values) - end - def reference_class(type) "gfm gfm-#{type}" end @@ -85,15 +102,15 @@ module Gitlab # Yields the current node's String contents. The result of the block will # replace the node's existing content and update the current document. # - # Returns the updated Nokogiri::XML::Document object. + # Returns the updated Nokogiri::HTML::DocumentFragment object. def replace_text_nodes_matching(pattern) return doc if project.nil? search_text_nodes(doc).each do |node| - content = node.to_html - - next unless content.match(pattern) next if ignored_ancestry?(node) + next unless node.text =~ pattern + + content = node.to_html html = yield content |