From 96181f507570db6bccda0e34b62eeac4882bcaca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@jakstys.lt>
Date: Sat, 13 Jan 2024 23:07:59 +0200
Subject: [PATCH] e11sync-gunicorn is a bit easier to use

---
 app/e11sync/settings.py | 24 ++++++++++++++++++++----
 flake.nix               | 18 +++++++++++++-----
 2 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/app/e11sync/settings.py b/app/e11sync/settings.py
index 2157271..8f7ec96 100644
--- a/app/e11sync/settings.py
+++ b/app/e11sync/settings.py
@@ -1,13 +1,29 @@
 from pathlib import Path
-from os import environ
+from os import environ, path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
 
 _DEBUG = bool(environ.get('E11SYNC_DEBUG', False))
 _COMPRESS_OFFLINE = bool(environ.get('E11SYNC_COMPRESS_OFFLINE', False))
 _STATIC_ROOT = environ.get('E11SYNC_STATIC_ROOT', '/tmp/e11sync-static')
 _GEOIP_PATH = environ.get('GEOIP_PATH')
+if db := environ.get('E11SYNC_DATABASE_PATH'):
+    _DATABASE_PATH = db
+else:
+    if statedir := environ.get('STATE_DIRECTORY'):
+        _DATABASE_PATH = path.join(statedir, 'db.sqlite3')
+    else:
+        _DATABASE_PATH = BASE_DIR / 'db.sqlite3'
 
-# Build paths inside the project like this: BASE_DIR / 'subdir'.
-BASE_DIR = Path(__file__).resolve().parent.parent
+# otherwise it gets printed twice
+if not environ.get("E11SYNC_DEBUG_PRINTED"):
+    print("DEBUG={}".format(_DEBUG))
+    print("COMPRESS_OFFLINE={}".format(_COMPRESS_OFFLINE))
+    print("STATIC_ROOT={}".format(_STATIC_ROOT))
+    print("GEOIP_PATH={}".format(_GEOIP_PATH))
+    print("DATABASE_PATH={}".format(_DATABASE_PATH))
+    environ["E11SYNC_DEBUG_PRINTED"] = "1"
 
 ########################################
 ## No more side effects after this place
@@ -67,7 +83,7 @@ WSGI_APPLICATION = 'e11sync.wsgi.application'
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
+        'NAME': _DATABASE_PATH,
     }
 }
 
diff --git a/flake.nix b/flake.nix
index e3aa751..039da0b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -68,8 +68,8 @@
         '';
         installPhase = ''mv static $out'';
       };
-      packages.e11sync-gunicorn = pkgs.stdenv.mkDerivation {
-        name = "e11sync-gunicorn";
+      packages.e11sync = pkgs.stdenv.mkDerivation {
+        name = "e11sync";
         propagatedBuildInputs = [runtimeDeps];
         nativeBuildInputs = [pkgs.makeWrapper];
         src = self;
@@ -77,7 +77,7 @@
         buildPhase = ''
           mkdir -p $out;
           cp -r ${self}/app $out
-          makeWrapper ${pkgs.python3Packages.gunicorn}/bin/gunicorn $out/bin/entrypoint \
+          makeWrapper ${pkgs.python3Packages.gunicorn}/bin/gunicorn $out/bin/e11sync-gunicorn \
             --chdir $out/app \
             --set-default E11SYNC_HTTP_PORT ${toString gunicornPort} \
             --set E11SYNC_DEBUG "" \
@@ -85,6 +85,9 @@
             --set GEOIP_PATH "${geoip}" \
             --add-flags --bind=127.0.0.1:\$E11SYNC_HTTP_PORT \
             --add-flags e11sync.wsgi
+
+          makeWrapper $out/app/manage.py $out/bin/e11sync \
+            --set GEOIP_PATH "${geoip}"
         '';
         passthru.tests = {
           simple =
@@ -100,12 +103,17 @@
         };
       };
 
-      checks.e11sync = packages.e11sync-gunicorn.passthru.tests.simple;
+      checks.e11sync = packages.e11sync.passthru.tests.simple;
 
       apps.e11sync-gunicorn = {
         type = "app";
         name = "e11sync-gunicorn";
-        program = "${packages.e11sync-gunicorn}/bin/entrypoint";
+        program = let
+          wrapper = pkgs.writeShellScript "wrapper" ''
+            export E11SYNC_DATABASE_PATH=$PWD/db.sqlite3
+            exec ${packages.e11sync}/bin/e11sync-gunicorn
+          '';
+          in "${wrapper}";
       };
 
       devShells.default = pkgs.mkShellNoCC {