fix: previous migration didn't properly migrate reports

backend/logic/db/index.js

@@ -11,7 +11,7 @@ const REQUIRED_DOCUMENT_VERSIONS = {
 	playlist: 6,
 	punishment: 1,
 	queueSong: 1,
-	report: 5,
+	report: 6,
 	song: 9,
 	station: 8,
 	user: 3,

backend/logic/db/schemas/report.js

@@ -18,5 +18,5 @@ export default {
 	],
 	createdBy: { type: String, required: true },
 	createdAt: { type: Date, default: Date.now, required: true },
-	documentVersion: { type: Number, default: 5, required: true }
+	documentVersion: { type: Number, default: 6, required: true }
 };

backend/logic/migration/migrations/migration22.js

@@ -0,0 +1,63 @@
+import async from "async";
+
+/**
+ * Migration 22
+ *
+ * Migration to fix issues in a previous migration (12), where report categories were not turned into lowercase
+ *
+ * @param {object} MigrationModule - the MigrationModule
+ * @returns {Promise} - returns promise
+ */
+export default async function migrate(MigrationModule) {
+	const reportModel = await MigrationModule.runJob("GET_MODEL", { modelName: "report" }, this);
+
+	return new Promise((resolve, reject) => {
+		async.waterfall(
+			[
+				next => {
+					this.log("INFO", `Migration 22. Finding reports with document version 5.`);
+					reportModel.find({ documentVersion: 5 }, (err, reports) => {
+						if (err) next(err);
+						else {
+							async.eachLimit(
+								reports.map(reporti => reporti._doc),
+								1,
+								(reporti, next) => {
+									const issues = reporti.issues.map(issue => ({
+										...issue,
+										category: issue.category.toLowerCase()
+									}));
+
+									reportModel.updateOne(
+										{ _id: reporti._id },
+										{
+											$set: {
+												documentVersion: 6,
+												issues
+											},
+											$unset: {
+												description: ""
+											}
+										},
+										next
+									);
+								},
+								err => {
+									if (err) next(err);
+									else {
+										this.log("INFO", `Migration 22. Reports found: ${reports.length}.`);
+										next();
+									}
+								}
+							);
+						}
+					});
+				}
+			],
+			err => {
+				if (err) reject(new Error(err));
+				else resolve();
+			}
+		);
+	});
+}