Created Rating and Review Feature as well as added a Top Rated books list to the Stats page

server/models/Review.js

@@ -0,0 +1,82 @@
+const { DataTypes, Model } = require('sequelize')
+
+class Review extends Model {
+  constructor(values, options) {
+    super(values, options)
+
+    /** @type {UUIDV4} */
+    this.id
+    /** @type {number} */
+    this.rating
+    /** @type {string} */
+    this.reviewText
+    /** @type {UUIDV4} */
+    this.userId
+    /** @type {UUIDV4} */
+    this.libraryItemId
+    /** @type {Date} */
+    this.updatedAt
+    /** @type {Date} */
+    this.createdAt
+  }
+
+  static init(sequelize) {
+    super.init(
+      {
+        id: {
+          type: DataTypes.UUID,
+          defaultValue: DataTypes.UUIDV4,
+          primaryKey: true
+        },
+        rating: {
+          type: DataTypes.INTEGER,
+          allowNull: false,
+          validate: {
+            min: 1,
+            max: 5
+          }
+        },
+        reviewText: {
+          type: DataTypes.TEXT,
+          allowNull: true
+        }
+      },
+      {
+        sequelize,
+        modelName: 'review',
+        indexes: [
+          {
+            unique: true,
+            fields: ['userId', 'libraryItemId']
+          }
+        ]
+      }
+    )
+
+    const { user, libraryItem } = sequelize.models
+
+    user.hasMany(Review, { onDelete: 'CASCADE' })
+    Review.belongsTo(user)
+
+    libraryItem.hasMany(Review, { onDelete: 'CASCADE' })
+    Review.belongsTo(libraryItem)
+  }
+
+  toOldJSON() {
+    return {
+      id: this.id,
+      rating: this.rating,
+      reviewText: this.reviewText,
+      userId: this.userId,
+      libraryItemId: this.libraryItemId,
+      updatedAt: this.updatedAt.valueOf(),
+      createdAt: this.createdAt.valueOf(),
+      user: this.user ? {
+        id: this.user.id,
+        username: this.user.username
+      } : undefined
+    }
+  }
+}
+
+module.exports = Review