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authorpluralcafe-docker <git@plural.cafe>2019-01-12 04:24:01 +0000
committerpluralcafe-docker <git@plural.cafe>2019-01-12 04:24:01 +0000
commita6e0ff72f552dc172c18f5a10bbca071b067ab51 (patch)
treef845d5a7e328c3babfde43066325262c1dbdbed0 /app/validators/note_length_validator.rb
parent74134e490c49d8a7d88cc69720e22cd88cee9233 (diff)
parent2cfa55185a5fc7d93a160a4e9a4730aae6725b0f (diff)
Merge branch 'glitch' into production
Diffstat (limited to 'app/validators/note_length_validator.rb')
-rw-r--r--app/validators/note_length_validator.rb22
1 files changed, 22 insertions, 0 deletions
diff --git a/app/validators/note_length_validator.rb b/app/validators/note_length_validator.rb
new file mode 100644
index 000000000..5ff6df6df
--- /dev/null
+++ b/app/validators/note_length_validator.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class NoteLengthValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    record.errors.add(attribute, I18n.t('statuses.over_character_limit', max: options[:maximum])) if too_long?(value)
+  end
+
+  private
+
+  def too_long?(value)
+    countable_text(value).mb_chars.grapheme_length > options[:maximum]
+  end
+
+  def countable_text(value)
+    return '' if value.nil?
+
+    value.dup.tap do |new_text|
+      new_text.gsub!(FetchLinkCardService::URL_PATTERN, 'x' * 23)
+      new_text.gsub!(Account::MENTION_RE, '@\2')
+    end
+  end
+end