#399

backend/app/models/post.rb

@@ -138,7 +138,8 @@ class Post < ApplicationRecord
   end
 
   def self.section_literal section
-    "[#{ Post.ms_to_time(section.begin_ms) }-#{ section.end_ms ? Post.ms_to_time(section.end_ms) : '' }]"
+    "[#{ Post.ms_to_time(section.begin_ms) }-"\
+    "#{ section.end_ms ? Post.ms_to_time(section.end_ms) : '' }]"
   end
 
   def self.ms_to_time ms
@@ -323,7 +324,9 @@ class Post < ApplicationRecord
   end
 
   def self.external_svg_reference?(attribute_name, attribute_value)
-    return external_svg_url?(attribute_value) if ['href', 'xlink:href', 'src'].include?(attribute_name)
+    if ['href', 'xlink:href', 'src'].include?(attribute_name)
+      return external_svg_url?(attribute_value)
+    end
     return style_contains_disallowed_urls?(attribute_value) if attribute_name == 'style'
     return svg_url_function_disallowed?(attribute_value) if attribute_value.match?(/url\s*\(/i)
 
@@ -344,7 +347,12 @@ class Post < ApplicationRecord
 
   def self.svg_url_function_disallowed?(value)
     value.to_s.scan(/url\s*\(([^)]*)\)/i).flatten.any? do |entry|
-      reference = entry.to_s.strip.delete_prefix("'").delete_prefix('"').delete_suffix("'").delete_suffix('"')
+      reference =
+          entry.to_s.strip
+               .delete_prefix("'")
+               .delete_prefix('"')
+               .delete_suffix("'")
+               .delete_suffix('"')
       reference.present? && !(reference.start_with?('#'))
     end
   end
@@ -433,7 +441,12 @@ class Post < ApplicationRecord
 
     match =
         value.match(
-            /\A(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d+))?)?(Z|[+-]\d{2}:?\d{2})?\z/)
+            /
+              \A(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})
+              (?::(\d{2})(?:\.(\d+))?)?
+              (Z|[+-]\d{2}:?\d{2})?
+              \z
+            /x)
     return nil if match.nil?
 
     year = match[1].to_i