refactor: centralize host and user metadata

modules/features/email.nix

@@ -1,17 +1,23 @@
 { ... }:
 {
   flake.modules.homeManager.email =
-    { config, ... }:
+    {
+      config,
+      lib,
+      ...
+    }:
     let
-      realName = "Jelle Spreeuwenberg";
+      user = config.meta.user;
       mkOffice365Account =
         {
           address,
           primary,
+          ...
         }:
         {
           enable = true;
-          inherit address primary realName;
+          inherit address primary;
+          realName = user.realName;
           userName = address;
           thunderbird = {
             enable = true;
@@ -26,10 +32,12 @@
         {
           address,
           primary,
+          ...
         }:
         {
           enable = true;
-          inherit address primary realName;
+          inherit address primary;
+          realName = user.realName;
           userName = address;
           thunderbird.enable = true;
           imap = {
@@ -45,6 +53,14 @@
             tls.enable = true;
           };
         };
+      mkEmailAccount =
+        email:
+        if email.type == "office365" then
+          mkOffice365Account email
+        else if email.type == "mxrouting" then
+          mkMxrouteAccount email
+        else
+          throw "Unsupported email type `${email.type}` for ${config.home.username}";
     in
     {
       programs.thunderbird = {
@@ -65,35 +81,6 @@
         };
       };
 
-      accounts.email.accounts =
-        if config.home.username == "ergon" then
-          {
-            work = mkOffice365Account {
-              address = "jelle.spreeuwenberg@yookr.org";
-              primary = true;
-            };
-          }
-        else
-          {
-            main = mkMxrouteAccount {
-              address = "mail@jelles.net";
-              primary = true;
-            };
-
-            old = mkMxrouteAccount {
-              address = "mail@jellespreeuwenberg.nl";
-              primary = false;
-            };
-
-            uni = mkOffice365Account {
-              address = "j.spreeuwenberg@student.tue.nl";
-              primary = false;
-            };
-
-            work = mkOffice365Account {
-              address = "jelle.spreeuwenberg@yookr.org";
-              primary = false;
-            };
-          };
+      accounts.email.accounts = lib.mapAttrs (_: mkEmailAccount) user.emails;
     };
 }