Refactored spam related code even further

- Removed unnecessary column from `SpamLog`
- Moved creation of SpamLogs out of its own service and into SpamCheckService
- Simplified code in SpamCheckService.
- Moved move spam related code into Spammable concern

2 files changed, 29 insertions, 1 deletions

diff --git a/db/migrate/20160729173930_remove_project_id_from_spam_logs.rb b/db/migrate/20160729173930_remove_project_id_from_spam_logs.rb
new file mode 100644
index 00000000000..5950874d5af
--- /dev/null
+++ b/db/migrate/20160729173930_remove_project_id_from_spam_logs.rb
@@ -0,0 +1,29 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class RemoveProjectIdFromSpamLogs < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = true
+
+  # When a migration requires downtime you **must** uncomment the following
+  # constant and define a short and easy to understand explanation as to why the
+  # migration requires downtime.
+  DOWNTIME_REASON = 'Removing a table that contains data that is not used anywhere.'
+
+  # When using the methods "add_concurrent_index" or "add_column_with_default"
+  # you must disable the use of transactions as these methods can not run in an
+  # existing transaction. When using "add_concurrent_index" make sure that this
+  # method is the _only_ method called in the migration, any other changes
+  # should go in a separate migration. This ensures that upon failure _only_ the
+  # index creation fails and can be retried or reverted easily.
+  #
+  # To disable transactions uncomment the following line and remove these
+  # comments:
+  # disable_ddl_transaction!
+
+  def change
+    remove_column :spam_logs, :project_id, :integer
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2e5ffac5935..cc881e54763 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -926,7 +926,6 @@ ActiveRecord::Schema.define(version: 20160810142633) do
     t.string   "source_ip"
     t.string   "user_agent"
     t.boolean  "via_api"
-    t.integer  "project_id"
     t.string   "noteable_type"
     t.string   "title"
     t.text     "description"