more migration stuff

hosts/miniserver/configuration.nix

@@ -5,7 +5,7 @@
     ../../config/base.nix
     ../../config/stylix.nix
   ];
-  my = import ./toggles.nix // {
+  my = import ./toggles.nix { inherit inputs; } // {
     nix.cores = 3;
     nix.maxJobs = 8;
     users.nixremote.enable = true;

hosts/miniserver/toggles.nix

@@ -1,16 +1,6 @@
+{ inputs }:
 let
-  mkEnabled = name: {
-    inherit name;
-    value.enable = true;
-  };
-  mkEnabledWithProxy = name: {
-    inherit name;
-    value = {
-      enable = true;
-      enableProxy = true;
-    };
-  };
-  enableList = func: list: list |> map func |> builtins.listToAttrs;
+  inherit (inputs.self.lib) mkEnabled mkEnabledWithProxy enableList;
 in
 {
   emacs.enable = true;

hosts/server/configuration.nix

@@ -10,7 +10,7 @@
     ../../config/base.nix
     ../../config/stylix.nix
   ];
-  my = import ./toggles.nix { inherit config; } // {
+  my = import ./toggles.nix { inherit config inputs; } // {
     nix.cores = 6;
     users.nixremote.enable = true;
     users.nixremote.authorizedKeys = [

hosts/server/toggles.nix

@@ -1,17 +1,7 @@
-{ config }:
+{ config, inputs }:
 let
-  mkEnabled = name: {
-    inherit name;
-    value.enable = true;
-  };
-  mkEnabledIp = name: {
-    inherit name;
-    value = {
-      enable = true;
-      ip = config.my.ips.wg-server;
-    };
-  };
-  enableList = func: list: list |> map func |> builtins.listToAttrs;
+  inherit (inputs.self.lib) mkEnabled enableList;
+  mkEnabledIp = inputs.self.lib.mkEnabledIp config.my.ips.wg-server;
 in
 {
   mainServer = "server";

hosts/workstation/configuration.nix

@@ -22,7 +22,7 @@ in
     ../../config/stylix.nix
     ../../environments/gnome.nix
   ];
-  my = import ./toggles.nix // {
+  my = import ./toggles.nix { inherit inputs; } // {
     nix.cores = 8;
     nix.maxJobs = 8;
     users.nixremote.enable = true;

hosts/workstation/toggles.nix

@@ -1,9 +1,6 @@
+{ inputs }:
 let
-  mkEnabled = name: {
-    inherit name;
-    value.enable = true;
-  };
-  enableList = func: list: list |> map func |> builtins.listToAttrs;
+  inherit (inputs.self.lib) mkEnabled enableList;
 in
 {
   stylix.enable = true;

modules/modules.nix

@@ -105,39 +105,45 @@ in
     enableProxy = lib.mkEnableOption "nginx reverse proxy for services";
   };
   config = {
-    assertions = [
+    assertions =
+      # PostgreSQL dependency assertions
+      inputs.self.lib.mkPostgresDependencies config [
         {
-        assertion = config.my.servers.nextcloud.enable -> config.my.servers.postgres.enable;
-        message = "Nextcloud requires PostgreSQL to be enabled";
+          service = "nextcloud";
+          name = "Nextcloud";
         }
         {
-        assertion = config.my.servers.vaultwarden.enable -> config.my.servers.postgres.enable;
-        message = "Vaultwarden requires PostgreSQL to be enabled";
+          service = "vaultwarden";
+          name = "Vaultwarden";
         }
         {
-        assertion = config.my.servers.firefly-iii.enable -> config.my.servers.postgres.enable;
-        message = "Firefly III requires PostgreSQL to be enabled";
+          service = "firefly-iii";
+          name = "Firefly III";
         }
         {
-        assertion = config.my.servers.mealie.enable -> config.my.servers.postgres.enable;
-        message = "Mealie requires PostgreSQL to be enabled";
+          service = "mealie";
+          name = "Mealie";
         }
         {
-        assertion = config.my.servers.shiori.enable -> config.my.servers.postgres.enable;
-        message = "Shiori requires PostgreSQL to be enabled";
+          service = "shiori";
+          name = "Shiori";
         }
         {
-        assertion = config.my.servers.ryot.enable -> config.my.servers.postgres.enable;
-        message = "Ryot requires PostgreSQL to be enabled";
+          service = "ryot";
+          name = "Ryot";
         }
         {
-        assertion = config.my.servers.synapse.enable -> config.my.servers.postgres.enable;
-        message = "Matrix Synapse requires PostgreSQL to be enabled";
+          service = "synapse";
+          name = "Matrix Synapse";
         }
         {
-        assertion = config.my.servers.gitea.enable -> config.my.servers.postgres.enable;
-        message = "Gitea requires PostgreSQL to be enabled";
+          service = "gitea";
+          name = "Gitea";
         }
+      ]
+      ++
+      # Other assertions
+      [
         {
           assertion =
             config.my.enableProxy

parts/core.nix

@@ -171,6 +171,32 @@ in
           |> lib.attrValues
           |> map (srv: srv.port)
         );
+      mkEnabled = name: {
+        inherit name;
+        value.enable = true;
+      };
+      mkEnabledWithProxy = name: {
+        inherit name;
+        value = {
+          enable = true;
+          enableProxy = true;
+        };
+      };
+      mkEnabledIp = ip: name: {
+        inherit name;
+        value = {
+          enable = true;
+          inherit ip;
+        };
+      };
+      enableList = func: list: list |> map func |> builtins.listToAttrs;
+      mkPostgresDependency = config: serviceName: displayName: {
+        assertion = config.my.servers.${serviceName}.enable -> config.my.servers.postgres.enable;
+        message = "${displayName} requires PostgreSQL to be enabled";
+      };
+      mkPostgresDependencies =
+        config: serviceMap:
+        serviceMap |> map (entry: inputs.self.lib.mkPostgresDependency config entry.service entry.name);
     };
   };
 }