chore: Migration for missing user names

backend/logic/db/schemas/user.js

@@ -36,7 +36,7 @@ export default {
 	likedSongsPlaylist: { type: mongoose.Schema.Types.ObjectId },
 	dislikedSongsPlaylist: { type: mongoose.Schema.Types.ObjectId },
 	favoriteStations: [{ type: String }],
-	name: { type: String, default: "" },
+	name: { type: String, required: true },
 	location: { type: String, default: "" },
 	bio: { type: String, default: "" },
 	createdAt: { type: Date, default: Date.now },

backend/logic/migration/index.js

@@ -38,8 +38,7 @@ class _MigrationModule extends CoreClass {
 			mongoose
 				.connect(mongoUrl, {
 					useNewUrlParser: true,
-					useUnifiedTopology: true,
-					useCreateIndex: true
+					useUnifiedTopology: true
 				})
 				.then(async () => {
 					mongoose.connection.on("error", err => this.log("ERROR", err));

backend/logic/migration/migrations/migration15.js

@@ -0,0 +1,46 @@
+import async from "async";
+
+/**
+ * Migration 15
+ *
+ * Migration for setting user name to username if not set
+ *
+ * @param {object} MigrationModule - the MigrationModule
+ * @returns {Promise} - returns promise
+ */
+export default async function migrate(MigrationModule) {
+	const userModel = await MigrationModule.runJob("GET_MODEL", { modelName: "user" }, this);
+
+	return new Promise((resolve, reject) => {
+		async.waterfall(
+			[
+				next => {
+					this.log("INFO", `Migration 15. Finding users with document version 3.`);
+					userModel.find({ documentVersion: 3, name: { $in: [null, ""] } }, (err, users) => {
+						if (err) next(err);
+						else {
+							async.eachLimit(
+								users.map(user => user._doc),
+								1,
+								(user, next) => {
+									userModel.updateOne({ _id: user._id }, { $set: { name: user.username } }, next);
+								},
+								err => {
+									this.log("INFO", `Migration 15. Users found: ${users.length}.`);
+									next(err);
+								}
+							);
+						}
+					});
+				}
+			],
+			err => {
+				if (err) {
+					reject(new Error(err));
+				} else {
+					resolve();
+				}
+			}
+		);
+	});
+}

frontend/src/components/UserIdToUsername.vue

@@ -34,3 +34,13 @@ export default {
 	}
 };
 </script>
+
+<style lang="scss" scoped>
+a {
+	color: var(--primary-color);
+	&:hover,
+	&:focus {
+		filter: brightness(90%);
+	}
+}
+</style>