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# frozen_string_literal: true
class DiffFileEntity < DiffFileBaseEntity
include DiffFileConflictType
include CommitsHelper
include IconsHelper
include Gitlab::Utils::StrongMemoize
expose :added_lines
expose :removed_lines
expose :load_collapsed_diff_url, if: ->(diff_file, options) { options[:merge_request] } do |diff_file|
merge_request = options[:merge_request]
project = merge_request.target_project
next unless project
diff_for_path_namespace_project_merge_request_path(
namespace_id: project.namespace.to_param,
project_id: project.to_param,
id: merge_request.iid,
old_path: diff_file.old_path,
new_path: diff_file.new_path,
file_identifier: diff_file.file_identifier
)
end
expose :view_path, if: ->(_, options) { options[:merge_request] } do |diff_file|
merge_request = options[:merge_request]
project = merge_request.target_project
next unless project
next unless diff_file.content_sha
project_blob_path(project, tree_join(diff_file.content_sha, diff_file.new_path))
end
expose :replaced_view_path, if: ->(_, options) { options[:merge_request] } do |diff_file|
image_diff = diff_file.rich_viewer && diff_file.rich_viewer.partial_name == 'image'
image_replaced = diff_file.old_content_sha && diff_file.old_content_sha != diff_file.content_sha
merge_request = options[:merge_request]
project = merge_request.target_project
next unless project
project_blob_path(project, tree_join(diff_file.old_content_sha, diff_file.old_path)) if image_diff && image_replaced
end
expose :context_lines_path, if: ->(diff_file, _) { diff_file.text? } do |diff_file|
next unless diff_file.content_sha
project_blob_diff_path(diff_file.repository.project, tree_join(diff_file.content_sha, diff_file.file_path))
end
# Used for inline diffs
expose :diff_lines_for_serializer, as: :highlighted_diff_lines, using: DiffLineEntity, if: ->(diff_file, options) { display_highlighted_diffs?(diff_file, options) }
expose :viewer do |diff_file, options|
whitespace_only = if !display_highlighted_diffs?(diff_file, options)
nil
elsif whitespace_only_change?(diff_file)
true
else
false
end
DiffViewerEntity.represent diff_file.viewer, options.merge(whitespace_only: whitespace_only)
end
expose :fully_expanded?, as: :is_fully_expanded
# Used for parallel diffs
expose :parallel_diff_lines, using: DiffLineParallelEntity, if: ->(diff_file, options) { parallel_diff_view?(options) && diff_file.text? }
expose :code_navigation_path, if: ->(diff_file) { options[:code_navigation_path] } do |diff_file|
options[:code_navigation_path].full_json_path_for(diff_file.new_path)
end
private
def whitespace_only_change?(diff_file)
!diff_file.collapsed? &&
diff_file.diff_lines_for_serializer.nil? &&
(
diff_file.added_lines != 0 ||
diff_file.removed_lines != 0
)
end
def display_highlighted_diffs?(diff_file, options)
inline_diff_view?(options) && diff_file.text?
end
def parallel_diff_view?(options)
diff_view(options) == :parallel
end
def inline_diff_view?(options)
diff_view(options) == :inline
end
def diff_view(options)
# If nothing is present, inline will be the default.
options.fetch(:diff_view, :inline).to_sym
end
end
DiffFileEntity.prepend_mod
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