Allow multiple repositories per project

This changes the repository type from a binary `wiki?` to a type. So
we can have more than 2 repository types.

Now everywhere we called `.wiki?` and expected a boolean, we check
that type.

1 files changed, 25 insertions, 10 deletions

diff --git a/lib/gitlab/gl_repository.rb b/lib/gitlab/gl_repository.rb
index 435b74806e7..c2be7f3d63a 100644
--- a/lib/gitlab/gl_repository.rb
+++ b/lib/gitlab/gl_repository.rb
@@ -2,23 +2,38 @@
 
 module Gitlab
   module GlRepository
-    def self.gl_repository(project, is_wiki)
-      "#{is_wiki ? 'wiki' : 'project'}-#{project.id}"
+    PROJECT = RepoType.new(
+      name: :project,
+      access_checker_class: Gitlab::GitAccess,
+      repository_accessor: -> (project) { project.repository }
+    ).freeze
+    WIKI = RepoType.new(
+      name: :wiki,
+      access_checker_class: Gitlab::GitAccessWiki,
+      repository_accessor: -> (project) { project.wiki.repository }
+    ).freeze
+
+    TYPES = {
+      PROJECT.name.to_s => PROJECT,
+      WIKI.name.to_s => WIKI
+    }.freeze
+
+    def self.types
+      TYPES
     end
 
-    # rubocop: disable CodeReuse/ActiveRecord
     def self.parse(gl_repository)
-      match_data = /\A(project|wiki)-([1-9][0-9]*)\z/.match(gl_repository)
-      unless match_data
+      type_name, _id = gl_repository.split('-').first
+      type = types[type_name]
+      subject_id = type&.fetch_id(gl_repository)
+
+      unless subject_id
         raise ArgumentError, "Invalid GL Repository \"#{gl_repository}\""
       end
 
-      type, id = match_data.captures
-      project = Project.find_by(id: id)
-      wiki = type == 'wiki'
+      project = Project.find_by_id(subject_id)
 
-      [project, wiki]
+      [project, type]
     end
-    # rubocop: enable CodeReuse/ActiveRecord
   end
 end