feat(capytal,chat): whatsapp bridge for the matrix server

capytal/chat.nix

@@ -68,6 +68,43 @@
     };
   };
 
+  services.mautrix-whatsapp = let
+    # cfg = config.services.mautrix-whatsapp;
+    continuwuity = config.services.matrix-continuwuity.settings.global;
+  in {
+    enable = true;
+    settings = {
+      homeserver = {
+        address = "http://localhost:${toString
+          (builtins.elemAt continuwuity.port 0)}";
+        domain = continuwuity.server_name;
+      };
+      appservice = rec {
+        address = "http://localhost:${toString port}";
+        hostname = "0.0.0.0";
+        port = 9403;
+
+        id = "whatsapp";
+        bot = {
+          username = "whatsappbot";
+          displayname = "WhatsApp bridge bot";
+        };
+      };
+      bridge = {
+        permissions = {
+          "*" = "relay";
+          "${continuwuity.server_name}" = "user";
+          "${continuwuity.well_known.support_mxid}" = "admin";
+        };
+      };
+
+      database = {
+        type = "sqlite3-fk-wal";
+        uri = "file:/var/lib/mautrix-whatsapp/mautrix-whatsapp.db?_txlock=immediate";
+      };
+    };
+  };
+
   services.caddy.virtualHosts = {
     ":${toString (config.services.capytalcc.web.port + 1)}".extraConfig = ''
       # Matrix configuration ---------------------------------------------------