1 files changed, 45 insertions, 0 deletions
diff --git a/lib/gitlab/gitaly_client/wiki_service.rb b/lib/gitlab/gitaly_client/wiki_service.rb
new file mode 100644
index 00000000000..03afcce81f0
--- /dev/null
+++ b/lib/gitlab/gitaly_client/wiki_service.rb
@@ -0,0 +1,45 @@
+require 'stringio'
+
+module Gitlab
+  module GitalyClient
+    class WikiService
+      MAX_MSG_SIZE = 128.kilobytes.freeze
+
+      def initialize(repository)
+        @gitaly_repo = repository.gitaly_repository
+        @repository = repository
+      end
+
+      def write_page(name, format, content, commit_details)
+        request = Gitaly::WikiWritePageRequest.new(
+          repository: @gitaly_repo,
+          name: GitalyClient.encode(name),
+          format: format.to_s,
+          commit_details: Gitaly::WikiCommitDetails.new(
+            name: GitalyClient.encode(commit_details.name),
+            email: GitalyClient.encode(commit_details.email),
+            message: GitalyClient.encode(commit_details.message)
+          )
+        )
+
+        strio = StringIO.new(content)
+
+        enum = Enumerator.new do |y|
+          until strio.eof?
+            chunk = strio.read(MAX_MSG_SIZE)
+            request.content = GitalyClient.encode(chunk)
+
+            y.yield request
+
+            request = Gitaly::WikiWritePageRequest.new
+          end
+        end
+
+        response = GitalyClient.call(@repository.storage, :wiki_service, :wiki_write_page, enum)
+        if error = response.duplicate_error.presence
+          raise Gitlab::Git::Wiki::DuplicatePageError, error
+        end
+      end
+    end
+  end
+end