Keep using kilt for rendering

Directly using Crystal's ECR seems to be causing issues, so
don't use kemal's 'render' macro and patch 'content_for' to
have the same behavior as before Kemal v1.1.1

5 files changed, 37 insertions, 3 deletions

diff --git a/shard.lock b/shard.lock
index 6cc20230..cdce1160 100644
--- a/shard.lock
+++ b/shard.lock
@@ -20,6 +20,10 @@ shards:
     git: https://github.com/kemalcr/kemal.git
     version: 1.1.2
 
+  kilt:
+    git: https://github.com/jeromegn/kilt.git
+    version: 0.6.1
+
   lsquic:
     git: https://github.com/iv-org/lsquic.cr.git
     version: 2.18.1-2
diff --git a/shard.yml b/shard.yml
index 76e67846..9c9b0d37 100644
--- a/shard.yml
+++ b/shard.yml
@@ -19,6 +19,9 @@ dependencies:
   kemal:
     github: kemalcr/kemal
     version: ~> 1.1.2
+  kilt:
+    github: jeromegn/kilt
+    version: ~> 0.6.1
   protodec:
     github: iv-org/protodec
     version: ~> 0.1.4
diff --git a/src/ext/kemal_content_for.cr b/src/ext/kemal_content_for.cr
new file mode 100644
index 00000000..a4f3fd96
--- /dev/null
+++ b/src/ext/kemal_content_for.cr
@@ -0,0 +1,16 @@
+# Overrides for Kemal's `content_for` macro in order to keep using
+# kilt as it was before Kemal v1.1.1 (Kemal PR #618).
+
+require "kemal"
+require "kilt"
+
+macro content_for(key, file = __FILE__)
+  %proc = ->() {
+    __kilt_io__ = IO::Memory.new
+    {{ yield }}
+    __kilt_io__.to_s
+  }
+
+  CONTENT_FOR_BLOCKS[{{key}}] = Tuple.new {{file}}, %proc
+  nil
+end
diff --git a/src/invidious.cr b/src/invidious.cr
index 9f3d5d10..631a6e78 100644
--- a/src/invidious.cr
+++ b/src/invidious.cr
@@ -16,7 +16,12 @@
 
 require "digest/md5"
 require "file_utils"
+
+# Require kemal, kilt, then our own overrides
 require "kemal"
+require "kilt"
+require "./ext/kemal_content_for.cr"
+
 require "athena-negotiation"
 require "openssl/hmac"
 require "option_parser"
diff --git a/src/invidious/helpers/macros.cr b/src/invidious/helpers/macros.cr
index 75df1612..43e7171b 100644
--- a/src/invidious/helpers/macros.cr
+++ b/src/invidious/helpers/macros.cr
@@ -48,13 +48,19 @@ module JSON::Serializable
   end
 end
 
-macro templated(filename, template = "template", navbar_search = true)
+macro templated(_filename, template = "template", navbar_search = true)
   navbar_search = {{navbar_search}}
-  render "src/invidious/views/#{{{filename}}}.ecr", "src/invidious/views/#{{{template}}}.ecr"
+
+  {{ filename = "src/invidious/views/" + _filename + ".ecr" }}
+  {{ layout = "src/invidious/views/" + template + ".ecr" }}
+
+  __content_filename__ = {{filename}}
+  content = Kilt.render({{filename}})
+  Kilt.render({{layout}})
 end
 
 macro rendered(filename)
-  render "src/invidious/views/#{{{filename}}}.ecr"
+  Kilt.render("src/invidious/views/#{{{filename}}}.ecr")
 end
 
 # Similar to Kemals halt method but works in a