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-rw-r--r--app/models/account_alias.rb9
-rw-r--r--app/views/settings/aliases/index.html.haml10
-rw-r--r--config/locales/en.yml1
3 files changed, 17 insertions, 3 deletions
diff --git a/app/models/account_alias.rb b/app/models/account_alias.rb
index 66f8ce409..3d0b5d188 100644
--- a/app/models/account_alias.rb
+++ b/app/models/account_alias.rb
@@ -18,6 +18,7 @@ class AccountAlias < ApplicationRecord
   validates :acct, presence: true, domain: { acct: true }
   validates :uri, presence: true
   validates :uri, uniqueness: { scope: :account_id }
+  validate :validate_target_account
 
   before_validation :set_uri
   after_create :add_to_account
@@ -44,4 +45,12 @@ class AccountAlias < ApplicationRecord
   def remove_from_account
     account.update(also_known_as: account.also_known_as.reject { |x| x == uri })
   end
+
+  def validate_target_account
+    if uri.nil?
+      errors.add(:acct, I18n.t('migrations.errors.not_found'))
+    elsif ActivityPub::TagManager.instance.uri_for(account) == uri
+      errors.add(:acct, I18n.t('migrations.errors.move_to_self'))
+    end
+  end
 end
diff --git a/app/views/settings/aliases/index.html.haml b/app/views/settings/aliases/index.html.haml
index 5b6986368..5df0c9669 100644
--- a/app/views/settings/aliases/index.html.haml
+++ b/app/views/settings/aliases/index.html.haml
@@ -23,7 +23,11 @@
         %th= t('simple_form.labels.account_alias.acct')
         %th
     %tbody
-      - @aliases.each do |account_alias|
+      - if @aliases.empty?
         %tr
-          %td= account_alias.acct
-          %td= table_link_to 'trash', t('aliases.remove'), settings_alias_path(account_alias), data: { method: :delete }
+          %td.muted-hint{ colspan: 2 }= t('aliases.empty')
+      - else
+        - @aliases.each do |account_alias|
+          %tr
+            %td= account_alias.acct
+            %td= table_link_to 'trash', t('aliases.remove'), settings_alias_path(account_alias), data: { method: :delete }
diff --git a/config/locales/en.yml b/config/locales/en.yml
index d07c4bb99..8a7cf070f 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -635,6 +635,7 @@ en:
     add_new: Create alias
     created_msg: Successfully created a new alias. You can now initiate the move from the old account.
     deleted_msg: Successfully remove the alias. Moving from that account to this one will no longer be possible.
+    empty: You have no aliases.
     hint_html: If you want to move from another account to this one, here you can create an alias, which is required before you can proceed with moving followers from the old account to this one. This action by itself is <strong>harmless and reversible</strong>. <strong>The account migration is initiated from the old account</strong>.
     remove: Unlink alias
   appearance: