gitlabhq/app/models/gollum_wiki.rb

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class GollumWiki
MARKUPS = {
"Markdown" => :markdown,
"RDoc" => :rdoc
}
class CouldNotCreateWikiError < StandardError; end
# Returns a string describing what went wrong after
# an operation fails.
attr_reader :error_message
def initialize(project, user = nil)
@project = project
@user = user
end
def path_with_namespace
@project.path_with_namespace + ".wiki"
end
def url_to_repo
gitlab_shell.url_to_repo(path_with_namespace)
end
def ssh_url_to_repo
url_to_repo
end
def http_url_to_repo
http_url = [Gitlab.config.gitlab.url, "/", path_with_namespace, ".git"].join('')
end
# Returns the Gollum::Wiki object.
def wiki
@wiki ||= begin
Gollum::Wiki.new(path_to_repo)
rescue Grit::NoSuchPathError
create_repo!
end
end
# Returns an Array of Gitlab WikiPage instances or an
# empty Array if this Wiki has no pages.
def pages
wiki.pages.map { |page| WikiPage.new(self, page, true) }
end
# Returns the last 30 Commit objects accross the entire
# repository.
def recent_history
Commit.fresh_commits(wiki.repo, 30)
end
# Finds a page within the repository based on a tile
# or slug.
#
# title - The human readable or parameterized title of
# the page.
#
# Returns an initialized WikiPage instance or nil
def find_page(title, version = nil)
if page = wiki.page(title, version)
WikiPage.new(self, page, true)
else
nil
end
end
def create_page(title, content, format = :markdown, message = nil)
commit = commit_details(:created, message, title)
wiki.write_page(title, format, content, commit)
rescue Gollum::DuplicatePageError => e
@error_message = "Duplicate page: #{e.message}"
return false
end
def update_page(page, content, format = :markdown, message = nil)
commit = commit_details(:updated, message, page.title)
wiki.update_page(page, page.name, format, content, commit)
end
def delete_page(page, message = nil)
wiki.delete_page(page, commit_details(:deleted, message, page.title))
end
private
def create_repo!
if gitlab_shell.add_repository(path_with_namespace)
Gollum::Wiki.new(path_to_repo)
else
raise CouldNotCreateWikiError
end
end
def commit_details(action, message = nil, title = nil)
commit_message = message || default_message(action, title)
{email: @user.email, name: @user.name, message: commit_message}
end
def default_message(action, title)
"#{@user.username} #{action} page: #{title}"
end
def gitlab_shell
@gitlab_shell ||= Gitlab::Shell.new
end
def path_to_repo
@path_to_repo ||= File.join(Gitlab.config.gitlab_shell.repos_path, "#{path_with_namespace}.git")
end
end