When a user leaves a feed, any previous feed invitation they received…

… for that feed should be deleted

This way, they can be invited again in the future.

Fixes: CV2-3802.

app/models/feed_team.rb

@@ -8,6 +8,8 @@ class FeedTeam < ApplicationRecord
   validates_presence_of :team_id, :feed_id
   validate :saved_search_belongs_to_feed_team
 
+  after_destroy :delete_invitations
+
   def requests_filters=(filters)
     filters = filters.is_a?(String) ? JSON.parse(filters) : filters
     self.send(:set_requests_filters, filters)
@@ -24,4 +26,9 @@ def saved_search_belongs_to_feed_team
       errors.add(:saved_search_id, I18n.t(:"errors.messages.invalid_feed_saved_search_value")) if self.team_id != self.saved_search.team_id
     end
   end
+
+  def delete_invitations
+    # Delete invitations to that feed when a user leaves a feed so they can be invited again in the future
+    FeedInvitation.where(email: User.current.email, feed_id: self.feed_id).delete_all unless User.current.blank?
+  end
 end

test/models/feed_team_test.rb

@@ -65,4 +65,19 @@ def setup
     ft.save!
     assert_equal 'bar', ft.reload.get_requests_filters[:foo]
   end
+
+  test "should delete invitations when leaving feed" do
+    u = create_user
+    ft = create_feed_team
+    create_team_user user: u, team: ft.team, role: 'admin'
+    create_feed_invitation feed: ft.feed
+    fi = create_feed_invitation email: u.email, feed: ft.feed
+    assert_not_nil FeedInvitation.find_by_id(fi.id)
+    User.current = u
+    assert_difference 'FeedInvitation.count', -1 do
+      ft.destroy!
+    end
+    User.current = nil
+    assert_nil FeedInvitation.find_by_id(fi.id)
+  end
 end