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module Gitlab
module Git
class Wiki
DuplicatePageError = Class.new(StandardError)
OperationError = Class.new(StandardError)
CommitDetails = Struct.new(:user_id, :username, :name, :email, :message) do
def to_h
{ user_id: user_id, username: username, name: name, email: email, message: message }
end
end
PageBlob = Struct.new(:name)
attr_reader :repository
def self.default_ref
'master'
end
# Initialize with a Gitlab::Git::Repository instance
def initialize(repository)
@repository = repository
end
def repository_exists?
@repository.exists?
end
def write_page(name, format, content, commit_details)
@repository.wrapped_gitaly_errors do
gitaly_write_page(name, format, content, commit_details)
end
end
def delete_page(page_path, commit_details)
@repository.wrapped_gitaly_errors do
gitaly_delete_page(page_path, commit_details)
end
end
def update_page(page_path, title, format, content, commit_details)
@repository.wrapped_gitaly_errors do
gitaly_update_page(page_path, title, format, content, commit_details)
end
end
def pages(limit: 0)
@repository.wrapped_gitaly_errors do
gitaly_get_all_pages(limit: limit)
end
end
def page(title:, version: nil, dir: nil)
@repository.wrapped_gitaly_errors do
gitaly_find_page(title: title, version: version, dir: dir)
end
end
def file(name, version)
@repository.wrapped_gitaly_errors do
gitaly_find_file(name, version)
end
end
# options:
# :page - The Integer page number.
# :per_page - The number of items per page.
# :limit - Total number of items to return.
def page_versions(page_path, options = {})
versions = @repository.wrapped_gitaly_errors do
gitaly_wiki_client.page_versions(page_path, options)
end
# Gitaly uses gollum-lib to get the versions. Gollum defaults to 20
# per page, but also fetches 20 if `limit` or `per_page` < 20.
# Slicing returns an array with the expected number of items.
slice_bound = options[:limit] || options[:per_page] || Gollum::Page.per_page
versions[0..slice_bound]
end
def count_page_versions(page_path)
@repository.count_commits(ref: 'HEAD', path: page_path)
end
def preview_slug(title, format)
# Adapted from gollum gem (Gollum::Wiki#preview_page) to avoid
# using Rugged through a Gollum::Wiki instance
page_class = Gollum::Page
page = page_class.new(nil)
ext = page_class.format_to_ext(format.to_sym)
name = page_class.cname(title) + '.' + ext
blob = PageBlob.new(name)
page.populate(blob)
page.url_path
end
def page_formatted_data(title:, dir: nil, version: nil)
version = version&.id
@repository.wrapped_gitaly_errors do
gitaly_wiki_client.get_formatted_data(title: title, dir: dir, version: version)
end
end
private
def new_page(gollum_page)
Gitlab::Git::WikiPage.new(gollum_page, new_version(gollum_page, gollum_page.version.id))
end
def new_version(gollum_page, commit_id)
Gitlab::Git::WikiPageVersion.new(version(commit_id), gollum_page&.format)
end
def version(commit_id)
commit_find_proc = -> { Gitlab::Git::Commit.find(@repository, commit_id) }
if RequestStore.active?
RequestStore.fetch([:wiki_version_commit, commit_id]) { commit_find_proc.call }
else
commit_find_proc.call
end
end
def assert_type!(object, klass)
unless object.is_a?(klass)
raise ArgumentError, "expected a #{klass}, got #{object.inspect}"
end
end
def gitaly_wiki_client
@gitaly_wiki_client ||= Gitlab::GitalyClient::WikiService.new(@repository)
end
def gitaly_write_page(name, format, content, commit_details)
gitaly_wiki_client.write_page(name, format, content, commit_details)
end
def gitaly_update_page(page_path, title, format, content, commit_details)
gitaly_wiki_client.update_page(page_path, title, format, content, commit_details)
end
def gitaly_delete_page(page_path, commit_details)
gitaly_wiki_client.delete_page(page_path, commit_details)
end
def gitaly_find_page(title:, version: nil, dir: nil)
wiki_page, version = gitaly_wiki_client.find_page(title: title, version: version, dir: dir)
return unless wiki_page
Gitlab::Git::WikiPage.new(wiki_page, version)
end
def gitaly_find_file(name, version)
wiki_file = gitaly_wiki_client.find_file(name, version)
return unless wiki_file
Gitlab::Git::WikiFile.new(wiki_file)
end
def gitaly_get_all_pages(limit: 0)
gitaly_wiki_client.get_all_pages(limit: limit).map do |wiki_page, version|
Gitlab::Git::WikiPage.new(wiki_page, version)
end
end
end
end
end
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