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module Banzai
module Filter
# HTML filter that replaces label references with links.
class LabelReferenceFilter < AbstractReferenceFilter
self.reference_type = :label
def self.object_class
Label
end
def find_object(project, id)
project.labels.find(id)
end
def self.references_in(text, pattern = Label.reference_pattern)
text.gsub(pattern) do |match|
yield match, $~[:label_id].to_i, $~[:label_name], $~[:project], $~
end
end
def references_in(text, pattern = Label.reference_pattern)
text.gsub(pattern) do |match|
label = find_label($~[:project], $~[:label_id], $~[:label_name])
if label
yield match, label.id, $~[:project], $~
else
match
end
end
end
def find_label(project_ref, label_id, label_name)
project = project_from_ref(project_ref)
return unless project
label_params = label_params(label_id, label_name)
project.labels.find_by(label_params)
end
# Parameters to pass to `Label.find_by` based on the given arguments
#
# id - Integer ID to pass. If present, returns {id: id}
# name - String name to pass. If `id` is absent, finds by name without
# surrounding quotes.
#
# Returns a Hash.
def label_params(id, name)
if name
{ name: name.tr('"', '') }
else
{ id: id.to_i }
end
end
def url_for_object(label, project)
h = Gitlab::Routing.url_helpers
h.namespace_project_issues_url(project.namespace, project, label_name: label.name,
only_path: context[:only_path])
end
def object_link_text(object, matches)
if context[:project] == object.project
LabelsHelper.render_colored_label(object)
else
LabelsHelper.render_colored_cross_project_label(object)
end
end
end
end
end
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