3 files changed, 18 insertions, 1 deletions
diff --git a/app/models/account.rb b/app/models/account.rb
index 79eecc306..0bb20b2f2 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -474,6 +474,7 @@ class Account < ApplicationRecord
 
   before_create :generate_keys
   before_validation :prepare_contents, if: :local?
+  before_validation :prepare_username, on: :create
   before_destroy :clean_feed_manager
 
   private
@@ -483,6 +484,10 @@ class Account < ApplicationRecord
     note&.strip!
   end
 
+  def prepare_username
+    username&.squish!
+  end
+
   def generate_keys
     return unless local? && !Rails.env.test?
 
diff --git a/app/models/concerns/expireable.rb b/app/models/concerns/expireable.rb
index 2c0631476..f7d2bab49 100644
--- a/app/models/concerns/expireable.rb
+++ b/app/models/concerns/expireable.rb
@@ -18,7 +18,11 @@ module Expireable
     end
 
     def expired?
-      !expires_at.nil? && expires_at < Time.now.utc
+      expires? && expires_at < Time.now.utc
+    end
+
+    def expires?
+      !expires_at.nil?
     end
   end
 end
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 788a678bd..7db76d157 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -72,6 +72,14 @@ class Tag < ApplicationRecord
          .limit(limit)
          .offset(offset)
     end
+
+    def find_normalized(name)
+      find_by(name: name.mb_chars.downcase.to_s)
+    end
+
+    def find_normalized!(name)
+      find_normalized(name) || raise(ActiveRecord::RecordNotFound)
+    end
   end
 
   private