Allow suppressing error log with `SlimRenderer.log_rendering_errors=f…

…alse`

build.gradle

@@ -7,7 +7,7 @@ plugins {
 }
 
 group 'no.datek'
-version '0.18.2'
+version '0.18.3'
 final String JRUBY_VERSION = '9.4.5.0';
 
 repositories {

src/main/resources/ruby/slim_helper.rb

@@ -25,10 +25,12 @@ def render(view_path, params = {})
     view.render(model_map, request, response)
     response.body
   rescue Exception => e # rubocop: disable Lint/RescueException
-    LOG.error "Exception rendering partial template: #{view_path.inspect}"
-    LOG.error "#{e.class}: #{e.message}"
-    LOG.error e.to_s
-    LOG.info e.backtrace.join("\n")
+    if SlimRenderer.log_rendering_errors
+      LOG.error "Exception rendering partial template: #{view_path.inspect}"
+      LOG.error "#{e.class}: #{e.message}"
+      LOG.error e.to_s
+      LOG.info e.backtrace.join("\n")
+    end
     raise
   end
 

src/main/resources/ruby/slim_renderer.rb

@@ -19,7 +19,6 @@
 require_relative 'view_context'
 require_relative 'locale_helper'
 require_relative 'request_context'
-require 'application_setup'
 
 module SlimRenderer
   extend LocaleHelper
@@ -38,6 +37,16 @@ module SlimRenderer
   LAYOUT_TEMPLATE_PATH = "/views/layouts"
   DEFAULT_LAYOUT = "#{LAYOUT_TEMPLATE_PATH}/layout.slim"
 
+  @@log_rendering_errors = true
+
+  def self.log_rendering_errors
+    @@log_rendering_errors
+  end
+
+  def self.log_rendering_errors=(value)
+    @@log_rendering_errors = value
+  end
+
   def self.render(template, model_map, rendering_context)
     request = RequestContextHolder.request_attributes.request
     locale = current_locale(request)
@@ -98,7 +107,9 @@ def self.render(template, model_map, rendering_context)
 
       #{e.backtrace.join("\n")}
     HTML
-    LOG.error message
+    if log_rendering_errors
+      LOG.error message
+    end
     "<h1>Whoops!</h1><pre>#{CGI.escapeHTML(message)}</pre>"
   end
 
@@ -126,3 +137,5 @@ def [](key)
 if (Java::JavaLang::System.getProperty("spring.profiles.active") || Java::JavaLang::System.getenv("SPRING_PROFILES_ACTIVE"))&.include?('development')
   require 'source_reloader'
 end
+
+require 'application_setup'