From 4c9a44a83797f8fd2617e546bc0845a3bab22545 Mon Sep 17 00:00:00 2001
From: Skyler Grey <sky@a.starrysky.fyi>
Date: Wed, 15 Oct 2025 23:21:19 +0000
Subject: [PATCH] feat(pm/umber): init grocy
Change-Id: zoqyltwplryxqptuulosrpxplxlpzssk

Grocy is a stock tracking application for groceries. I'd like to use it
to keep track of some of my stuff, so let's host it on umber!
---
 packetmix/systems/umber/grocy.nix            | 34 ++++++++++++++++++++
 packetmix/systems/umber/grocy/custom_js.html | 27 ++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 packetmix/systems/umber/grocy.nix
 create mode 100644 packetmix/systems/umber/grocy/custom_js.html

diff --git a/packetmix/systems/umber/grocy.nix b/packetmix/systems/umber/grocy.nix
new file mode 100644
index 00000000..34070ed8
--- /dev/null
+++ b/packetmix/systems/umber/grocy.nix
@@ -0,0 +1,34 @@
+# SPDX-FileCopyrightText: 2025 FreshlyBakedCake
+#
+# SPDX-License-Identifier: MIT
+
+{ pkgs, lib, ... }:
+{
+  services.grocy = {
+    enable = true;
+    package = pkgs.stdenv.mkDerivation {
+      name = "grocy-custom-js";
+      src = pkgs.grocy;
+
+      dontBuild = true;
+      installPhase = ''
+        mkdir -p $out/
+        cp -r * $out/
+
+        mkdir -p $out/data/
+        cp ${./grocy/custom_js.html} $out/data/custom_js.html # we need to specify the filename explicitly, as otherwise this'll have a hash
+      '';
+    };
+    hostName = "grocy.starrysky.fyi";
+
+    settings.currency = "GBP";
+  };
+
+  services.nginx.virtualHosts."grocy.starrysky.fyi" = {
+    acmeRoot = null;
+    forceSSL = lib.mkForce false;
+    onlySSL = true;
+  };
+
+  clicks.storage.impermanence.persist.directories = [ "/var/lib/grocy" ];
+}
diff --git a/packetmix/systems/umber/grocy/custom_js.html b/packetmix/systems/umber/grocy/custom_js.html
new file mode 100644
index 00000000..c1160ddb
--- /dev/null
+++ b/packetmix/systems/umber/grocy/custom_js.html
@@ -0,0 +1,27 @@
+<!--
+SPDX-FileCopyrightText: 2026 Freshly Baked Cake
+
+SPDX-License-Identifier: MIT
+-->
+
+<script>
+{
+	const locationFilter = document.getElementById("location-filter");
+	let desiredLocation = GetUriParam("location");
+	if (locationFilter !== null && desiredLocation !== null)
+	{
+		if (locationFilter.selectedOptions.length === 0 || locationFilter.selectedOptions[0].value === "all") {
+			// Don't trigger if we select a different option and refresh the page
+			desiredLocation = desiredLocation.replaceAll("_", " ") // WikiText needs underscores to be spaces
+			const option = locationFilter.querySelector(`option[value="${desiredLocation}"]`) 
+										 ?? locationFilter.querySelector(`option[value^="${desiredLocation}"]`) 
+										 ?? locationFilter.querySelector(`option[value*="${desiredLocation}"]`);
+										 // Search first for an exact match, then a match which starts with, then a match which contains
+			if (option) {
+				locationFilter.value = option.value;
+				locationFilter.dispatchEvent(new Event('change'));
+			}
+		}
+	}
+}
+</script>
-- 
2.43.0