2 files changed, 13 insertions, 0 deletions
diff --git a/app/models/account.rb b/app/models/account.rb
index 66345b5ab..2cbec488b 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -14,6 +14,8 @@ class Account < ActiveRecord::Base
   has_many :following, through: :active_relationships,  source: :target_account
   has_many :followers, through: :passive_relationships, source: :account
 
+  MENTION_RE = /(?:^|\W)@([a-z0-9_]+(?:@[a-z0-9\.\-]+)?)/i
+
   def follow!(other_account)
     self.active_relationships.first_or_create!(target_account: other_account)
   end
diff --git a/app/models/status.rb b/app/models/status.rb
index be616dce6..80719140e 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -51,6 +51,17 @@ class Status < ActiveRecord::Base
     m << thread.account if reply?
     m << reblog.account if reblog?
 
+    unless reblog?
+      self.text.scan(Account::MENTION_RE).each do |match|
+        uri      = match.first
+        username = uri.split('@').first
+        domain   = uri.split('@').size == 2 ? uri.split('@').last : nil
+        account  = Account.find_by(username: username, domain: domain)
+
+        m << account unless account.nil?
+      end
+    end
+
     m
   end