From b3b5eced13b0366363af63491fe45b7c03e9c492 Mon Sep 17 00:00:00 2001
From: i-like-noodles <i-like-noodles@users.noreply.github.com>
Date: Thu, 8 Sep 2022 15:19:15 +0200
Subject: [PATCH] rmfakecloud: build the web ui

Previously rmfakecloud was built without the web ui making it show 404 when attempting to use it. Build it similar to how other projects using yarn are built in a separate package and make it optional.
---
 pkgs/servers/rmfakecloud/default.nix | 10 +++++---
 pkgs/servers/rmfakecloud/webui.nix   | 37 ++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 3 deletions(-)
 create mode 100644 pkgs/servers/rmfakecloud/webui.nix

diff --git a/pkgs/servers/rmfakecloud/default.nix b/pkgs/servers/rmfakecloud/default.nix
index db4b335e666f..4b84ca3e3567 100644
--- a/pkgs/servers/rmfakecloud/default.nix
+++ b/pkgs/servers/rmfakecloud/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, buildGoModule }:
+{ lib, fetchFromGitHub, buildGoModule, callPackage, enableWebui ? true }:
 
 buildGoModule rec {
   pname = "rmfakecloud";
@@ -13,8 +13,12 @@ buildGoModule rec {
 
   vendorSha256 = "sha256-NwDaPpjkQogXE37RGS3zEALlp3NuXP9RW//vbwM6y0A=";
 
-  postPatch = ''
-    # skip including the JS SPA, which is difficult to build
+  ui = callPackage ./webui.nix { inherit version src; };
+
+  postPatch = if enableWebui then ''
+    mkdir -p ui/build
+    cp -r ${ui}/* ui/build
+  '' else ''
     sed -i '/go:/d' ui/assets.go
   '';
 
diff --git a/pkgs/servers/rmfakecloud/webui.nix b/pkgs/servers/rmfakecloud/webui.nix
new file mode 100644
index 000000000000..8b636baec115
--- /dev/null
+++ b/pkgs/servers/rmfakecloud/webui.nix
@@ -0,0 +1,37 @@
+{ version, src, stdenv, lib, fetchFromGitHub, fetchYarnDeps, fixup_yarn_lock, yarn, nodejs }:
+
+stdenv.mkDerivation rec {
+  inherit version src;
+
+  pname = "rmfakecloud-webui";
+
+  yarnOfflineCache = fetchYarnDeps {
+    yarnLock = "${src}/ui/yarn.lock";
+    sha256 = "sha256-lKA3W7gXT2Dnux+sIXCluG5HxkGQgHPnCjgV/a4pjY0=";
+  };
+
+  nativeBuildInputs = [ fixup_yarn_lock yarn nodejs ];
+
+  buildPhase = ''
+    export HOME=$(mktemp -d)
+    cd ui
+    fixup_yarn_lock yarn.lock
+    yarn config --offline set yarn-offline-mirror ${yarnOfflineCache}
+    yarn install --offline --frozen-lockfile --ignore-engines --ignore-scripts --no-progress
+    patchShebangs node_modules
+    export PATH=$PWD/node_modules/.bin:$PATH
+    ./node_modules/.bin/react-scripts build
+    mkdir -p $out
+    cd ..
+  '';
+
+  installPhase = ''
+    cp -r ui/build/* $out
+  '';
+
+  meta = with lib; {
+    description = "Only the webui files for rmfakecloud";
+    homepage = "https://ddvk.github.io/rmfakecloud/";
+    license = licenses.agpl3Only;
+  };
+}