clanService/phonebox: phonebook feature

modules/clan/phonebox/default.nix

@@ -1,4 +1,7 @@
-{ clanLib, ... }:
+{
+  clanLib,
+  ...
+}:
 {
   _class = "clan.service";
   manifest.name = "phonebox";
@@ -14,6 +17,11 @@
           description = "An Ethernet interface that connect to ATA box.";
           default = "enp2s0";
         };
+        options.ownerName = lib.mkOption {
+          type = lib.types.str;
+          description = "";
+          default = "";
+        };
       };
     perInstance =
       {
@@ -22,6 +30,7 @@
         ...
       }:
       {
+
         nixosModule =
           {
             lib,
@@ -34,12 +43,57 @@
               propagatedNativeBuildInputs = [ pkgs.spandsp3 ];
             });
 
+            machines = lib.attrNames roles.default.machines;
+
             user = "asterisk";
             faxDir = "/run/asterisk/fax";
             rtpPortFrom = 10000;
             rtpPortTo = 20000;
             ata-interface = settings.ata-ethernet-iface;
 
+            contactList = builtins.map (machineName: {
+              name = "${clanLib.getPublicValue {
+                flake = config.clan.core.settings.directory;
+                machine = machineName;
+                generator = "phonebox";
+                file = "owner-name";
+                default = null;
+              }}";
+              number = "${
+                clanLib.getPublicValue {
+                  flake = config.clan.core.settings.directory;
+                  machine = machineName;
+                  generator = "phonebox";
+                  file = "server-prefix-number";
+                  default = null;
+                }
+              }${
+                clanLib.getPublicValue {
+                  flake = config.clan.core.settings.directory;
+                  machine = machineName;
+                  generator = "phonebox";
+                  file = "ata-local-number";
+                  default = null;
+                }
+              }";
+            }) machines;
+
+            createContactListTiff =
+              let
+                contactTXT = lib.concatStringsSep "\n" (
+                  builtins.map (contact: "${contact.number}\t\t: \t\t${contact.name}") contactList
+                );
+              in
+              pkgs.writeShellApplication {
+                name = "create-contact-tiff";
+                text = ''
+                  magick -background white -fill black -pointsize 20 -font DejaVu-Sans label:"${contactTXT}" "$1"
+                  magick "$1" -border 20x50 -bordercolor white "$1"
+                  magick "$1" -resize 1728x -units PixelsPerInch -compress Group4 -density 204x196 -monochrome -depth 1 "$1"
+                '';
+                runtimeInputs = [ pkgs.imagemagick ];
+              };
+
             genServerSIPEndpoint =
               { hostname, address }:
               ''
@@ -102,26 +156,35 @@
                 throw "clanService/yggdrasil is required";
           in
           {
-            clan.core.vars.generators.phonebox = {
+            clan.core.vars.generators.phonebox = builtins.break {
               files = {
                 server-prefix-number.secret = false;
                 ata-local-number.secret = false;
+                owner-name.secret = false;
               };
 
               prompts = {
                 server-prefix-number = {
                   type = "line";
+                  persist = true;
                   description = "Server prefix number: indicate server to connect to [10XX]";
                 };
                 ata-local-number = {
+                  persist = true;
                   type = "line";
                   description = "Local suffix number: indicate local number on the server [XX00]";
                 };
+                owner-name = {
+                  persist = true;
+                  type = "line";
+                  description = "The owner's name for this unit";
+                };
               };
 
               script = ''
                 cat $prompts/server-prefix-number > $out/server-prefix-number
                 cat $prompts/ata-local-number > $out/ata-local-number
+                cat $prompts/owner-name > $out/owner-name
               '';
             };
 
@@ -199,7 +262,6 @@
               package = lib.mkDefault asterisk;
               confFiles =
                 let
-                  machines = lib.attrNames roles.default.machines;
                   nodes = builtins.foldl' (
                     nodes: name:
                     nodes
@@ -275,6 +337,13 @@
                       same => n,Set(FAXFILE=${faxDir}/echo-''${UNIQUEID}.tiff)
                       same => n,Set(FAXECHO=true)
 
+                      exten => 888,1,Answer()
+                      same => n,Set(FAXFILE=${faxDir}/contact.tiff)
+                      same => n,System(${lib.getExe createContactListTiff} ''${FAXFILE})
+                      same => n,Set(FAXECHO=true)
+                      same => n,Playback(vm-goodbye)
+                      same => n,Wait(3)
+
                       exten => h,1,GotoIf($[''${FAXECHO}]?sendfax)
                       same => n,Hangup()
                       same => n(sendfax),Originate(PJSIP/00,app,SendFAX,''${FAXFILE})
@@ -341,6 +410,10 @@
                 };
             };
 
+            environment.systemPackages = [
+              createContactListTiff
+            ];
+
             systemd.tmpfiles.rules = [
               "d ${faxDir}                            0755 ${user} ${user} - -"
             ];

vars/per-machine/adhil/phonebox/owner-name/value

@@ -0,0 +1 @@
+w-office

vars/per-machine/almach/phonebox/owner-name/value

@@ -0,0 +1 @@
+usa-1

vars/per-machine/alpheratz/phonebox/owner-name/value

@@ -0,0 +1 @@
+usa-2

vars/per-machine/buna/phonebox/owner-name/value

@@ -0,0 +1 @@
+whitehouse

vars/per-machine/mirach/phonebox/owner-name/value

@@ -0,0 +1 @@
+usa-3

vars/per-machine/neptune/phonebox/owner-name/value

@@ -0,0 +1 @@
+vi

vars/per-machine/rigel/phonebox/owner-name/value

@@ -0,0 +1 @@
+b4l