From c46949747779b5e679774ceb23a530ed4736c52b Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Fri, 5 Feb 2021 22:19:01 +0100
Subject: configurable stun server

---
 front/default.nix | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

(limited to 'front')

diff --git a/front/default.nix b/front/default.nix
index 00db42c..26eb4b1 100644
--- a/front/default.nix
+++ b/front/default.nix
@@ -5,11 +5,20 @@
 , yarn2nix-moretea
 , lib
 , replace
-, environment ? {}
+, settings ? {}
 , ... }:
 
 let
-  envVar = (name: lib.optionalAttrs (environment ? ${name}) { ${name} = environment.${name}; });
+  # nix is nice enough that we can just convert options written in camelCase into CAMEL_CASE to make environment vars out of them, which workadventure will use during its build
+  toCamelCase = 
+    (name: builtins.replaceStrings 
+      (map
+        (c : "_${c}")
+        lib.strings.lowerChars)
+      lib.strings.upperChars
+      (lib.strings.toLower name));
+  
+  envVar = (name: lib.optionalAttrs (settings ? ${toCamelCase name}) { ${name} = settings.${toCamelCase name}; });
 
   envVars = envVar "DEBUG_MODE"
          // envVar "API_URL"
@@ -29,7 +38,8 @@ let
          // envVar "TURN_PASSWORD"
          // envVar "JITSI_URL"
          // envVar "JITSI_PRIVATE_MODE"
-         // envVar "DEFAULT_MAP_URL";
+         // envVar "DEFAULT_MAP_URL"
+         // envVar "STUN_SERVER";
 in yarn2nix-moretea.mkYarnPackage (rec {
   pname = "workadventurefront";
   version = "unstable";
@@ -52,8 +62,10 @@ in yarn2nix-moretea.mkYarnPackage (rec {
 
   patchPhase = ''
     # remove google tag manager
-    replace-literal -efsw '<script async src="https://www.googletagmanager.com/gtag/js?id=UA-10196481-11"></script>' ' '
-  '' + (if envVars ? DEFAULT_MAP_URL then ''replace-literal -efs -r -x .ts "/Floor0/floor0.json" "${envVars.DEFAULT_MAP_URL}"'' else "");
+    replace-literal -efsw '<script async src="https://www.googletagmanager.com/gtag/js?id=UA-10196481-11"></script>' ' ';
+  ''
+   + (if envVars ? DEFAULT_MAP_URL then ''replace-literal -efs -r -x .ts "/Floor0/floor0.json" "${envVars.DEFAULT_MAP_URL}";'' else "")
+   + (if envVars ? STUN_SERVER then ''replace-literal -efs -r -x .ts "stun:stun.l.google.com:19302" "${envVars.STUN_SERVER}";'' else "");
 
   buildPhase = ''
     mkdir -p $out
-- 
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