Allow revokers to edit revoked blocks

app/controllers/user_blocks_controller.rb

@@ -63,8 +63,9 @@ class UserBlocksController < ApplicationController
 
   def update
     if @valid_params
-      if @user_block.creator != current_user
-        flash[:error] = t(".only_creator_can_edit")
+      if current_user != @user_block.creator &&
+         current_user != @user_block.revoker
+        flash[:error] = t(@user_block.revoker ? ".only_creator_or_revoker_can_edit" : ".only_creator_can_edit")
         redirect_to :action => "edit"
       elsif @user_block.update(
         :ends_at => Time.now.utc + @block_period.hours,

config/locales/en.yml

@@ -2940,6 +2940,7 @@ en:
       flash: "Created a block on user %{name}."
     update:
       only_creator_can_edit: "Only the moderator who created this block can edit it."
+      only_creator_or_revoker_can_edit: "Only the moderators who created or revoked this block can edit it."
       success: "Block updated."
     index:
       title: "User blocks"

test/controllers/user_blocks_controller_test.rb

@@ -483,23 +483,32 @@ class UserBlocksControllerTest < ActionDispatch::IntegrationTest
     assert_equal "Original Reason", block.reason
 
     session_for(creator_user)
+    check_block_updates(block)
+  end
+
+  ##
+  # test the update action on revoked blocks
+  def test_update_revoked
+    creator_user = create(:moderator_user)
+    revoker_user = create(:moderator_user)
+    other_moderator_user = create(:moderator_user)
+    block = create(:user_block, :revoked, :creator => creator_user, :revoker => revoker_user, :reason => "Original Reason")
+
+    session_for(other_moderator_user)
     put user_block_path(block,
                         :user_block_period => "0",
                         :user_block => { :needs_view => false, :reason => "Updated Reason" })
-    assert_redirected_to user_block_path(block)
-    assert_equal "Block updated.", flash[:notice]
+    assert_redirected_to edit_user_block_path(block)
+    assert_equal "Only the moderators who created or revoked this block can edit it.", flash[:error]
     block.reload
-    assert_not block.active?
-    assert_equal "Updated Reason", block.reason
+    assert_not_predicate block, :active?
+    assert_equal "Original Reason", block.reason
 
-    put user_block_path(block,
-                        :user_block_period => "0",
-                        :user_block => { :needs_view => true, :reason => "Updated Reason 2" })
-    assert_redirected_to user_block_path(block)
-    assert_equal "Block updated.", flash[:notice]
-    block.reload
-    assert_predicate block, :active?
-    assert_equal "Updated Reason 2", block.reason
+    session_for(creator_user)
+    check_block_updates(block)
+
+    session_for(revoker_user)
+    check_block_updates(block)
   end
 
   ##
@@ -794,6 +803,26 @@ class UserBlocksControllerTest < ActionDispatch::IntegrationTest
 
   private
 
+  def check_block_updates(block)
+    put user_block_path(block,
+                        :user_block_period => "0",
+                        :user_block => { :needs_view => false, :reason => "Updated Reason" })
+    assert_redirected_to user_block_path(block)
+    assert_equal "Block updated.", flash[:notice]
+    block.reload
+    assert_not_predicate block, :active?
+    assert_equal "Updated Reason", block.reason
+
+    put user_block_path(block,
+                        :user_block_period => "0",
+                        :user_block => { :needs_view => true, :reason => "Updated Reason 2" })
+    assert_redirected_to user_block_path(block)
+    assert_equal "Block updated.", flash[:notice]
+    block.reload
+    assert_predicate block, :active?
+    assert_equal "Updated Reason 2", block.reason
+  end
+
   def check_user_blocks_table(user_blocks)
     assert_dom "table#block_list tbody tr" do |rows|
       assert_equal user_blocks.count, rows.count, "unexpected number of rows in user blocks table"