From 2857736e6bbc5ef15fb75f985129f04d5ece27a3 Mon Sep 17 00:00:00 2001
From: Tom Hubrecht <tom@hubrecht.ovh>
Date: Tue, 26 Sep 2023 18:12:56 +0200
Subject: [PATCH] feat(web01): Deploy multiple linkals on linkal.dgnum.eu

---
 machines/web01/_configuration.nix |  1 +
 machines/web01/linkal/default.nix | 32 ++++++++++++++
 machines/web01/linkal/module.nix  | 71 +++++++++++++++++++++++++++++++
 npins/sources.json                | 14 +++++-
 4 files changed, 117 insertions(+), 1 deletion(-)
 create mode 100644 machines/web01/linkal/default.nix
 create mode 100644 machines/web01/linkal/module.nix

diff --git a/machines/web01/_configuration.nix b/machines/web01/_configuration.nix
index e323df0..8b38dd5 100644
--- a/machines/web01/_configuration.nix
+++ b/machines/web01/_configuration.nix
@@ -13,6 +13,7 @@ let
   # List of services to enable
   enabledServices = [
     "metis"
+    "linkal"
     "plausible"
     # "wordpress"
   ];
diff --git a/machines/web01/linkal/default.nix b/machines/web01/linkal/default.nix
new file mode 100644
index 0000000..4e0b99c
--- /dev/null
+++ b/machines/web01/linkal/default.nix
@@ -0,0 +1,32 @@
+_:
+
+let
+  host = "linkal.dgnum.eu";
+
+  calendarGroups = {
+    luj-current = {
+      port = 8443;
+      calendars = {
+        "https://cloud.eleves.ens.fr/remote.php/dav/public-calendars/LLWm8qK9iC5YGrrR" = {
+          name = "Délégation Générale";
+          short_name = "DG";
+        };
+
+        "https://cloud.eleves.ens.fr/remote.php/dav/public-calendars/fRtjDkjrZyn6fxd8" = {
+          name = "K-Fêt";
+          color = "#c63b52";
+          default_location = "K-Fêt";
+        };
+      };
+    };
+  };
+in {
+  imports = [ ./module.nix ];
+
+  dgn-linkal = {
+    enable = true;
+    domain = host;
+
+    inherit calendarGroups;
+  };
+}
diff --git a/machines/web01/linkal/module.nix b/machines/web01/linkal/module.nix
new file mode 100644
index 0000000..a584337
--- /dev/null
+++ b/machines/web01/linkal/module.nix
@@ -0,0 +1,71 @@
+{ config, lib, pkgs, sources, ... }:
+
+let
+  inherit (lib) mapAttrs' mkEnableOption mkIf mkOption nameValuePair types;
+
+  package = import sources.linkal { inherit pkgs; };
+
+  cfg = config.dgn-linkal;
+
+  jsonFormat = pkgs.formats.json { };
+in {
+  options.dgn-linkal = {
+    enable = mkEnableOption "the linkal server.";
+
+    package = mkOption {
+      type = types.package;
+      default = package.overrideAttrs (_: { buildInputs = [ ]; });
+    };
+
+    domain = mkOption { type = types.str; };
+
+    calendarGroups = mkOption {
+      type = let inherit (types) attrsOf port submodule;
+      in attrsOf (submodule {
+        options = {
+          port = mkOption { type = port; };
+          calendars = mkOption { inherit (jsonFormat) type; };
+        };
+      });
+      default = { };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services = mapAttrs' (name:
+      { port, calendars }:
+      nameValuePair "linkal-${name}" {
+        description = "Linkal - ${name}";
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig = {
+          Type = "simple";
+          ExecStart = "${cfg.package}/bin/linkal --port ${
+              builtins.toString port
+            } --calendar-file ${
+              jsonFormat.generate "linkal-${name}.json" { inherit calendars; }
+            }";
+        };
+      }) cfg.calendarGroups;
+
+    services.nginx = {
+      enable = true;
+
+      virtualHosts.${cfg.domain} = {
+        enableACME = true;
+        forceSSL = true;
+
+        locations = mapAttrs' (name:
+          { port, ... }:
+          nameValuePair "^~ /${name}" {
+            proxyPass = "http://127.0.0.1:${builtins.toString port}/";
+            # extraConfig = ''
+            #   proxy_set_header    X-Real-IP  $remote_addr;
+            #   proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
+            #   proxy_set_header    Host $host;
+            #   proxy_redirect      off;
+            # '';
+          }) cfg.calendarGroups;
+      };
+    };
+  };
+}
diff --git a/npins/sources.json b/npins/sources.json
index 955554b..473ca6a 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -1,5 +1,17 @@
 {
   "pins": {
+    "linkal": {
+      "type": "Git",
+      "repository": {
+        "type": "GitHub",
+        "owner": "JulienMalka",
+        "repo": "Linkal"
+      },
+      "branch": "main",
+      "revision": "8744b00eb819f181842f678bed6c1239f8210618",
+      "url": "https://github.com/JulienMalka/Linkal/archive/8744b00eb819f181842f678bed6c1239f8210618.tar.gz",
+      "hash": "03nk7x078bcvvv4i9xn29hpv041zxy62z2lfigxwdq1m8cnbwziw"
+    },
     "agenix": {
       "type": "GitRelease",
       "repository": {
@@ -98,4 +110,4 @@
     }
   },
   "version": 3
-}
\ No newline at end of file
+}