vdirsyncer: Add grocy

users/simon/modules/vdirsyncer.nix

@@ -43,6 +43,28 @@ let
       "password.fetch" = fetchCommand passwordCommand;
     };
   };
+
+  mkWebcalSection = { name, url ? null, urlCommand ? null }: assert url == null -> urlCommand != null; {
+    "pair calendar_${name}" = {
+      a = "calendar_${name}_local";
+      b = "calendar_${name}_remote";
+      collections = null;
+    };
+
+    "storage calendar_${name}_local" = {
+      type = "filesystem";
+      path = "${calendarBasePath}/${name}/";
+      fileext = ".ics";
+    };
+
+    "storage calendar_${name}_remote" = {
+      type = "http";
+    } // (if urlCommand != null then {
+      "url.fetch" = fetchCommand urlCommand;
+    } else {
+      inherit url;
+    });
+  };
 in
 {
   home.packages = with pkgs; [
@@ -75,6 +97,10 @@ in
           username = "simon@sbruder.de";
           passwordCommand = "pass sbruder.de/mail | head -n 1";
         })
+        (mkWebcalSection {
+          name = "grocy";
+          urlCommand = [ "pass" "sbruder.de/grocy/calendar" ];
+        })
       ]);
 
     "khal/config".text = /* toml */ ''
@@ -88,6 +114,9 @@ in
       path = ${contactsBasePath}/personal/${personalContactsUuid}/
       type = birthdays
 
+      [[calendar_grocy]]
+      path = ${calendarBasePath}/grocy/
+
       [locale]
       timeformat = %H:%M
       dateformat = %Y-%m-%d