[Hot fix] Reinstate entity answers for C19 test registration responses (

#3912)

packages/database/src/migrations/20220513032539-ReinstateMissingEntityAnswersC19TestRegistration-modifies-data.js

@@ -0,0 +1,54 @@
+'use strict';
+
+import { codeToId } from '../utilities';
+
+var dbm;
+var type;
+var seed;
+
+/**
+ * We receive the dbmigrate dependency from dbmigrate initially.
+ * This enables us to not have to rely on NODE_PATH.
+ */
+exports.setup = function (options, seedLink) {
+  dbm = options.dbmigrate;
+  type = dbm.dataType;
+  seed = seedLink;
+};
+
+const SURVEY_CODE = 'C19T_Registration';
+const QUESTION_CODE = 'C19T007';
+
+exports.up = async function (db) {
+  // the missing entity answers have been stored as the parent of the primary entity of each
+  // response, copy the id from there into a new answer
+  const surveyId = await codeToId(db, 'survey', SURVEY_CODE);
+  const questionId = await codeToId(db, 'question', QUESTION_CODE);
+  await db.runSql(`
+    INSERT INTO answer (id, survey_response_id, question_id, type, text)
+    SELECT
+      generate_object_id(), survey_response.id, '${questionId}', 'Entity', entity.parent_id
+    FROM
+      survey_response
+    JOIN
+      entity
+    ON
+      survey_response.entity_id = entity.id
+    LEFT JOIN
+      answer
+    ON
+      answer.survey_response_id = survey_response.id and answer.question_id = '${questionId}'
+    WHERE
+      survey_id = '${surveyId}'
+    AND
+      answer.id is null;
+  `);
+};
+
+exports.down = function (db) {
+  return null;
+};
+
+exports._meta = {
+  version: 1,
+};