From e7af4737c191097b9f5054aff1b3945f9f2e5ac9 Mon Sep 17 00:00:00 2001
From: eyjhb <eyjhbb@gmail.com>
Date: Thu, 5 Dec 2024 17:02:18 +0100
Subject: [PATCH] wger: added redis, cache/compressed/combined, nginx serves
 static

---
 machines/gerd/services/wger/default.nix       | 27 +++++++++++++---
 .../gerd/services/wger/wgerpkg/default.nix    | 32 ++++++++++++++++++-
 2 files changed, 53 insertions(+), 6 deletions(-)

diff --git a/machines/gerd/services/wger/default.nix b/machines/gerd/services/wger/default.nix
index f46d595..cf3e762 100644
--- a/machines/gerd/services/wger/default.nix
+++ b/machines/gerd/services/wger/default.nix
@@ -22,7 +22,7 @@ let
     # to create a CACHE folder/file in the CWD.
     # and if I fix that, then static content no
     # longer wants to load.
-    DEBUG = true;
+    DEBUG = false;
     DATABASES.default = {
         ENGINE = "django.db.backends.postgresql";
         NAME = "wger";
@@ -43,7 +43,6 @@ let
     MEDIA_ROOT = "${statedir}/media";
     MEDIA_URL = "/media/";
 
-
     # EMAIL
     EMAIL_BACKEND = "django.core.mail.backends.smtp.EmailBackend";
     EMAIL_HOST = config.mine.shared.settings.mail.domain_smtp;
@@ -54,6 +53,12 @@ let
     EMAIL_FROM_ADDRESS = wger_settings.EMAIL_FROM;
     EMAIL_PAGE_DOMAIN = SITE_URL;
 
+    # Cache - Redis
+    DJANGO_CACHE_BACKEND = "django_redis.cache.RedisCache";
+    DJANGO_CACHE_LOCATION = "${config.services.redis.servers.wger.unixSocket}";
+    DJANGO_CACHE_TIMEOUT = 1296000; # in seconds - 60*60*24*15, 15 Days
+    DJANGO_CACHE_CLIENT_CLASS = "django_redis.client.DefaultClient";
+
     # setup allowed hosts
     CSRF_TRUSTED_ORIGINS = [ "https://${svc_domain}" ];
     ALLOWED_HOSTS = [ svc_domain ];
@@ -62,6 +67,11 @@ let
     RECAPTCHA_PUBLIC_KEY = "";
     RECAPTCHA_PRIVATE_KEY = "";
     USE_RECAPTCHA = false;
+
+    # does not work
+    STATIC_ROOT = "${wgerpkgs}/share/static";
+    COMPRESS_ROOT = STATIC_ROOT;
+    COMPRESS_OFFLINE = true;
   };
 
   wger_settings_file = pkgs.writeText "settings.json" (builtins.toJSON wger_settings);
@@ -105,9 +115,10 @@ in {
     serviceConfig = {
       EnvironmentFile = config.age.secrets.wger-env.path;
 
-      # ensure it does not try to create `/CACHE`
+      Restart = "on-failure";
+      RestartSec = "5s";
+
       PrivateTmp = "yes";
-      WorkingDirectory = "/tmp";
 
       User = "wger";
       Group = "wger";
@@ -149,6 +160,11 @@ in {
     }];
   };
 
+  # setup redis
+  services.redis.servers.wger = {
+    enable = true;
+    user = wger_user;
+  };
 
   # setup users
   users.users."${wger_user}"= {
@@ -170,7 +186,8 @@ in {
       proxyPass = "http://localhost:${builtins.toString port}";
     };
 
-    locations."/static".proxyPass = "http://localhost:${builtins.toString port}";
+    # locations."/static".proxyPass = "http://localhost:${builtins.toString port}";
+    locations."/static".root = "${wgerpkgs}/share";
     locations."/media".proxyPass = "http://localhost:${builtins.toString port}";
     locations."/api".proxyPass = "http://localhost:${builtins.toString port}";
   };
diff --git a/machines/gerd/services/wger/wgerpkg/default.nix b/machines/gerd/services/wger/wgerpkg/default.nix
index 0148e84..bb2438d 100644
--- a/machines/gerd/services/wger/wgerpkg/default.nix
+++ b/machines/gerd/services/wger/wgerpkg/default.nix
@@ -3,6 +3,7 @@
   python3,
   fetchFromGitHub,
   callPackage,
+  writeText,
 }:
 
 let
@@ -79,8 +80,37 @@ in python3.pkgs.buildPythonApplication rec {
     cp manage.py wger/manage.py
   '';
 
+  # fixup compressed files
+  postBuild = let
+    staticSettings = writeText "static_settings.py" ''
+      DEBUG = False
+      STATIC_ROOT = os.environ["static"]
+      COMPRESS_OFFLINE = True
+      # So we don't need postgres dependencies
+      DATABASES = {}
+    '';
+  in ''
+    # copy over static yarn things
+    # cp -a ${frontend}/static/yarn $out/${python3.sitePackages}/wger/core/static
+    cp -a ${frontend}/static/yarn wger/core/static
+
+    python3 -m wger.tasks create-settings -s $PWD/tmp_settings.py
+    cat ${staticSettings} >> $PWD/tmp_settings.py
+    mkdir tmpstatic
+    pushd tmpstatic
+
+    static=. WGER_SETTINGS=../tmp_settings.py python3 ../manage.py collectstatic --no-input
+    static=. WGER_SETTINGS=../tmp_settings.py python3 ../manage.py compress --force
+
+    popd
+  '';
+
   postInstall = ''
-    cp -a ${frontend}/static/yarn $out/${python3.sitePackages}/wger/core/static
+    rm -rf $out/${python3.sitePackages}/wger/core/static
+    cp -a tmpstatic $out/${python3.sitePackages}/wger/core/static
+
+    mkdir $out/share
+    cp -a $out/${python3.sitePackages}/wger/core/static $out/share
   '';
 
   pythonImportsCheck = [