Initial content

Chapter 18/End of Chapter/sportsstore/dist/config/environment.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getEnvironment = exports.Env = void 0;
+var Env;
+(function (Env) {
+    Env["Development"] = "development";
+    Env["Production"] = "production";
+})(Env || (exports.Env = Env = {}));
+const getEnvironment = () => {
+    const env = process.env.NODE_ENV;
+    return env === undefined || env === Env.Development
+        ? Env.Development : Env.Production;
+};
+exports.getEnvironment = getEnvironment;

Chapter 18/End of Chapter/sportsstore/dist/config/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Env = exports.getEnvironment = exports.getSecret = exports.getConfig = void 0;
+const fs_1 = require("fs");
+const environment_1 = require("./environment");
+Object.defineProperty(exports, "getEnvironment", { enumerable: true, get: function () { return environment_1.getEnvironment; } });
+Object.defineProperty(exports, "Env", { enumerable: true, get: function () { return environment_1.Env; } });
+const merge_1 = require("./merge");
+const dotenv_1 = require("dotenv");
+const file = process.env.SERVER_CONFIG ?? "server.config.json";
+const data = JSON.parse((0, fs_1.readFileSync)(file).toString());
+(0, dotenv_1.config)({
+    path: (0, environment_1.getEnvironment)().toString() + ".env"
+});
+try {
+    const envFile = (0, environment_1.getEnvironment)().toString() + "." + file;
+    const envData = JSON.parse((0, fs_1.readFileSync)(envFile).toString());
+    (0, merge_1.merge)(data, envData);
+}
+catch {
+    // do nothing - file doesn't exist or isn't readable
+}
+const getConfig = (path, defaultVal = undefined) => {
+    const paths = path.split(":");
+    let val = data;
+    paths.forEach(p => val = val[p]);
+    return val ?? defaultVal;
+};
+exports.getConfig = getConfig;
+const getSecret = (name) => {
+    const secret = process.env[name];
+    if (secret === undefined) {
+        throw new Error(`Undefined secret: ${name}`);
+    }
+    return secret;
+};
+exports.getSecret = getSecret;

Chapter 18/End of Chapter/sportsstore/dist/config/merge.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.merge = void 0;
+const merge = (target, source) => {
+    Object.keys(source).forEach(key => {
+        if (typeof source[key] === "object"
+            && !Array.isArray(source[key])) {
+            if (Object.hasOwn(target, key)) {
+                (0, exports.merge)(target[key], source[key]);
+            }
+            else {
+                Object.assign(target, source[key]);
+            }
+        }
+        else {
+            target[key] = source[key];
+        }
+    });
+};
+exports.merge = merge;

Chapter 18/End of Chapter/sportsstore/dist/config/nerge.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.merge = void 0;
+const merge = (target, source) => {
+    Object.keys(source).forEach(key => {
+        if (typeof source[key] === "object"
+            && !Array.isArray(source[key])) {
+            if (Object.hasOwn(target, key)) {
+                (0, exports.merge)(target[key], source[key]);
+            }
+            else {
+                Object.assign(target, source[key]);
+            }
+        }
+        else {
+            target[key] = source[key];
+        }
+    });
+};
+exports.merge = merge;

Chapter 18/End of Chapter/sportsstore/dist/data/cart_helpers.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getCartDetail = void 0;
+const _1 = require(".");
+const getCartDetail = async (cart) => {
+    const ids = cart.lines.map(l => l.productId);
+    const db_data = await _1.catalog_repository.getProductDetails(ids);
+    const products = Object.fromEntries(db_data.map(p => [p.id, p]));
+    const lines = cart.lines.map(line => ({
+        product: products[line.productId],
+        quantity: line.quantity,
+        subtotal: products[line.productId].price * line.quantity
+    }));
+    const total = lines.reduce((total, line) => total + line.subtotal, 0);
+    return { lines, total };
+};
+exports.getCartDetail = getCartDetail;

Chapter 18/End of Chapter/sportsstore/dist/data/cart_models.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.removeLine = exports.addLine = exports.createCart = void 0;
+const createCart = () => ({ lines: [] });
+exports.createCart = createCart;
+const addLine = (cart, productId, quantity) => {
+    const line = cart.lines.find(l => l.productId == productId);
+    if (line !== undefined) {
+        line.quantity += quantity;
+    }
+    else {
+        cart.lines.push({ productId, quantity });
+    }
+};
+exports.addLine = addLine;
+const removeLine = (cart, productId) => {
+    cart.lines = cart.lines.filter(l => l.productId !== productId);
+};
+exports.removeLine = removeLine;

Chapter 18/End of Chapter/sportsstore/dist/data/catalog_models.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });

Chapter 18/End of Chapter/sportsstore/dist/data/catalog_repository.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });

Chapter 18/End of Chapter/sportsstore/dist/data/customer_models.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });

Chapter 18/End of Chapter/sportsstore/dist/data/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.order_repository = exports.catalog_repository = void 0;
+const orm_1 = require("./orm");
+const repo = new orm_1.CatalogRepoImpl();
+exports.catalog_repository = repo;
+exports.order_repository = repo;

Chapter 18/End of Chapter/sportsstore/dist/data/order_models.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });

Chapter 18/End of Chapter/sportsstore/dist/data/order_repository.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });

Chapter 18/End of Chapter/sportsstore/dist/data/orm/core.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BaseRepo = void 0;
+const sequelize_1 = require("sequelize");
+const config_1 = require("../../config");
+const models_1 = require("./models");
+const fs_1 = require("fs");
+const config = (0, config_1.getConfig)("catalog:orm_repo");
+const logging = config.logging
+    ? { logging: console.log, logQueryParameters: true }
+    : { logging: false };
+class BaseRepo {
+    sequelize;
+    constructor() {
+        this.sequelize = new sequelize_1.Sequelize({ ...config.settings, ...logging });
+        this.initModelsAndDatabase();
+    }
+    async initModelsAndDatabase() {
+        (0, models_1.initializeModels)(this.sequelize);
+        if (config.reset_db) {
+            await this.sequelize.drop();
+            await this.sequelize.sync();
+            await this.addSeedData();
+        }
+        else {
+            await this.sequelize.sync();
+        }
+    }
+    async addSeedData() {
+        const data = JSON.parse((0, fs_1.readFileSync)(config.seed_file).toString());
+        await this.sequelize.transaction(async (transaction) => {
+            await models_1.SupplierModel.bulkCreate(data.suppliers, { transaction });
+            await models_1.CategoryModel.bulkCreate(data.categories, { transaction });
+            await models_1.ProductModel.bulkCreate(data.products, { transaction });
+        });
+    }
+}
+exports.BaseRepo = BaseRepo;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CatalogRepoImpl = void 0;
+const core_1 = require("./core");
+const queries_1 = require("./queries");
+const storage_1 = require("./storage");
+const order_queries_1 = require("./order_queries");
+const order_storage_1 = require("./order_storage");
+const CatalogRepo = (0, storage_1.AddStorage)((0, queries_1.AddQueries)(core_1.BaseRepo));
+const RepoWithOrders = (0, order_storage_1.AddOrderStorage)((0, order_queries_1.AddOrderQueries)(CatalogRepo));
+exports.CatalogRepoImpl = RepoWithOrders;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/models/catalog_helpers.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.initializeCatalogModels = void 0;
+const sequelize_1 = require("sequelize");
+const catalog_models_1 = require("./catalog_models");
+const primaryKey = {
+    id: { type: sequelize_1.DataTypes.INTEGER, autoIncrement: true, primaryKey: true }
+};
+const initializeCatalogModels = (sequelize) => {
+    catalog_models_1.ProductModel.init({
+        ...primaryKey,
+        name: { type: sequelize_1.DataTypes.STRING },
+        description: { type: sequelize_1.DataTypes.STRING },
+        price: { type: sequelize_1.DataTypes.DECIMAL(10, 2) }
+    }, { sequelize });
+    catalog_models_1.CategoryModel.init({
+        ...primaryKey,
+        name: { type: sequelize_1.DataTypes.STRING }
+    }, { sequelize });
+    catalog_models_1.SupplierModel.init({
+        ...primaryKey,
+        name: { type: sequelize_1.DataTypes.STRING }
+    }, { sequelize });
+    catalog_models_1.ProductModel.belongsTo(catalog_models_1.CategoryModel, { foreignKey: "categoryId", as: "category" });
+    catalog_models_1.ProductModel.belongsTo(catalog_models_1.SupplierModel, { foreignKey: "supplierId", as: "supplier" });
+    catalog_models_1.CategoryModel.hasMany(catalog_models_1.ProductModel, { foreignKey: "categoryId", as: "products" });
+    catalog_models_1.SupplierModel.hasMany(catalog_models_1.ProductModel, { foreignKey: "supplierId", as: "products" });
+};
+exports.initializeCatalogModels = initializeCatalogModels;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/models/catalog_models.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SupplierModel = exports.CategoryModel = exports.ProductModel = void 0;
+const sequelize_1 = require("sequelize");
+class ProductModel extends sequelize_1.Model {
+}
+exports.ProductModel = ProductModel;
+class CategoryModel extends sequelize_1.Model {
+}
+exports.CategoryModel = CategoryModel;
+class SupplierModel extends sequelize_1.Model {
+}
+exports.SupplierModel = SupplierModel;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/models/customer_helpers.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.initializeCustomerModels = void 0;
+const sequelize_1 = require("sequelize");
+const customer_models_1 = require("./customer_models");
+const initializeCustomerModels = (sequelize) => {
+    customer_models_1.CustomerModel.init({
+        id: { type: sequelize_1.DataTypes.INTEGER, autoIncrement: true, primaryKey: true },
+        name: { type: sequelize_1.DataTypes.STRING },
+        email: { type: sequelize_1.DataTypes.STRING }
+    }, { sequelize });
+};
+exports.initializeCustomerModels = initializeCustomerModels;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/models/customer_models.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CustomerModel = void 0;
+const sequelize_1 = require("sequelize");
+class CustomerModel extends sequelize_1.Model {
+}
+exports.CustomerModel = CustomerModel;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/models/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.initializeModels = exports.SupplierModel = exports.CategoryModel = exports.ProductModel = void 0;
+const catalog_helpers_1 = require("./catalog_helpers");
+const customer_helpers_1 = require("./customer_helpers");
+const order_helpers_1 = require("./order_helpers");
+var catalog_models_1 = require("./catalog_models");
+Object.defineProperty(exports, "ProductModel", { enumerable: true, get: function () { return catalog_models_1.ProductModel; } });
+Object.defineProperty(exports, "CategoryModel", { enumerable: true, get: function () { return catalog_models_1.CategoryModel; } });
+Object.defineProperty(exports, "SupplierModel", { enumerable: true, get: function () { return catalog_models_1.SupplierModel; } });
+const initializeModels = (sequelize) => {
+    (0, catalog_helpers_1.initializeCatalogModels)(sequelize);
+    (0, customer_helpers_1.initializeCustomerModels)(sequelize);
+    (0, order_helpers_1.initializeOrderModels)(sequelize);
+};
+exports.initializeModels = initializeModels;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/models/order_helpers.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.initializeOrderModels = void 0;
+const sequelize_1 = require("sequelize");
+const order_models_1 = require("./order_models");
+const customer_models_1 = require("./customer_models");
+const _1 = require(".");
+const primaryKey = {
+    id: { type: sequelize_1.DataTypes.INTEGER, autoIncrement: true, primaryKey: true }
+};
+const initializeOrderModels = (sequelize) => {
+    order_models_1.OrderModel.init({
+        ...primaryKey, shipped: sequelize_1.DataTypes.BOOLEAN
+    }, { sequelize });
+    order_models_1.ProductSelectionModel.init({
+        ...primaryKey,
+        quantity: sequelize_1.DataTypes.INTEGER, price: sequelize_1.DataTypes.DECIMAL(10, 2)
+    }, { sequelize });
+    order_models_1.AddressModel.init({
+        ...primaryKey,
+        street: sequelize_1.DataTypes.STRING, city: sequelize_1.DataTypes.STRING,
+        state: sequelize_1.DataTypes.STRING, zip: sequelize_1.DataTypes.STRING,
+    }, { sequelize });
+    order_models_1.OrderModel.belongsTo(customer_models_1.CustomerModel, { as: "customer" });
+    order_models_1.OrderModel.belongsTo(order_models_1.AddressModel, { foreignKey: "addressId", as: "address" });
+    order_models_1.OrderModel.belongsToMany(order_models_1.ProductSelectionModel, { through: "OrderProductJunction",
+        foreignKey: "orderId", as: "selections" });
+    order_models_1.ProductSelectionModel.belongsTo(_1.ProductModel, { as: "product" });
+};
+exports.initializeOrderModels = initializeOrderModels;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/models/order_models.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddressModel = exports.ProductSelectionModel = exports.OrderModel = void 0;
+const sequelize_1 = require("sequelize");
+class OrderModel extends sequelize_1.Model {
+}
+exports.OrderModel = OrderModel;
+class ProductSelectionModel extends sequelize_1.Model {
+}
+exports.ProductSelectionModel = ProductSelectionModel;
+class AddressModel extends sequelize_1.Model {
+}
+exports.AddressModel = AddressModel;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/order_queries.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddOrderQueries = void 0;
+const order_models_1 = require("./models/order_models");
+const customer_models_1 = require("./models/customer_models");
+const queryConfig = {
+    include: [
+        { model: order_models_1.AddressModel, as: "address" },
+        { model: customer_models_1.CustomerModel, as: "customer" }
+    ],
+    raw: true, nest: true
+};
+function AddOrderQueries(Base) {
+    return class extends Base {
+        getOrder(id) {
+            return order_models_1.OrderModel.findByPk(id, queryConfig);
+        }
+        getOrders(excludeShipped) {
+            return order_models_1.OrderModel.findAll(excludeShipped ?
+                { ...queryConfig, where: { shipped: false } } : queryConfig);
+        }
+    };
+}
+exports.AddOrderQueries = AddOrderQueries;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/order_storage.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddOrderStorage = void 0;
+const order_models_1 = require("./models/order_models");
+const customer_models_1 = require("./models/customer_models");
+function AddOrderStorage(Base) {
+    return class extends Base {
+        storeOrder(order) {
+            return this.sequelize.transaction(async (transaction) => {
+                const { id, shipped } = order;
+                const [stored] = await order_models_1.OrderModel.upsert({ id, shipped }, { transaction });
+                if (order.customer) {
+                    const [{ id }] = await customer_models_1.CustomerModel.findOrCreate({
+                        where: { email: order.customer.email },
+                        defaults: order.customer,
+                        transaction
+                    });
+                    stored.customerId = id;
+                }
+                if (order.address) {
+                    const [{ id }] = await order_models_1.AddressModel.findOrCreate({
+                        where: { ...order.address },
+                        defaults: order.address,
+                        transaction
+                    });
+                    stored.addressId = id;
+                }
+                await stored.save({ transaction });
+                if (order.selections) {
+                    const sels = await order_models_1.ProductSelectionModel.bulkCreate(order.selections, { transaction });
+                    await stored.setSelections(sels, { transaction });
+                }
+                return stored;
+            });
+        }
+    };
+}
+exports.AddOrderStorage = AddOrderStorage;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/queries.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddQueries = void 0;
+const models_1 = require("./models");
+const sequelize_1 = require("sequelize");
+function AddQueries(Base) {
+    return class extends Base {
+        async getProducts(params) {
+            const opts = {};
+            if (params?.page && params.pageSize) {
+                opts.limit = params?.pageSize,
+                    opts.offset = (params.page - 1) * params.pageSize;
+            }
+            if (params?.searchTerm) {
+                const searchOp = { [sequelize_1.Op.like]: "%" + params.searchTerm + "%" };
+                opts.where = {
+                    [sequelize_1.Op.or]: { name: searchOp, description: searchOp }
+                };
+            }
+            if (params?.category) {
+                opts.where = {
+                    ...opts.where, categoryId: params.category
+                };
+            }
+            const result = await models_1.ProductModel.findAndCountAll({
+                include: [
+                    { model: models_1.SupplierModel, as: "supplier" },
+                    { model: models_1.CategoryModel, as: "category" }
+                ],
+                raw: true, nest: true,
+                ...opts
+            });
+            const categories = await this.getCategories();
+            return { products: result.rows, totalCount: result.count, categories };
+        }
+        getCategories() {
+            return models_1.CategoryModel.findAll({ raw: true, nest: true });
+        }
+        getSuppliers() {
+            return models_1.SupplierModel.findAll({ raw: true, nest: true });
+        }
+        getProductDetails(ids) {
+            return models_1.ProductModel.findAll({
+                where: { id: { [sequelize_1.Op.in]: ids } }, raw: true, nest: true,
+            });
+        }
+    };
+}
+exports.AddQueries = AddQueries;

Chapter 18/End of Chapter/sportsstore/dist/data/orm/storage.js

@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddStorage = void 0;
+const models_1 = require("./models");
+function AddStorage(Base) {
+    return class extends Base {
+        storeProduct(p) {
+            return this.sequelize.transaction(async (transaction) => {
+                if (p.category) {
+                    p.category = await this.storeCategory(p.category);
+                }
+                if (p.supplier) {
+                    p.supplier = await this.storeSupplier(p.supplier);
+                }
+                const [stored] = await models_1.ProductModel.upsert({
+                    id: p.id, name: p.name, description: p.description,
+                    price: p.price, categoryId: p.category?.id,
+                    supplierId: p.supplier?.id
+                }, { transaction });
+                return stored;
+            });
+        }
+        async storeCategory(c, transaction) {
+            const [stored] = await models_1.CategoryModel.upsert({
+                id: c.id, name: c.name
+            }, { transaction });
+            return stored;
+        }
+        async storeSupplier(s, transaction) {
+            const [stored] = await models_1.SupplierModel.upsert({
+                id: s.id, name: s.name
+            }, { transaction });
+            return stored;
+        }
+    };
+}
+exports.AddStorage = AddStorage;

Chapter 18/End of Chapter/sportsstore/dist/data/validation/basic_rules.js

@@ -0,0 +1,30 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.no_op = exports.required = exports.email = exports.minLength = void 0;
+const validator_1 = __importDefault(require("validator"));
+const minLength = (min) => (status) => {
+    if (!validator_1.default.isLength(status.value, { min })) {
+        status.setInvalid(true);
+        status.messages.push(`Enter at least ${min} characters`);
+    }
+};
+exports.minLength = minLength;
+const email = (status) => {
+    if (!validator_1.default.isEmail(status.value)) {
+        status.setInvalid(true);
+        status.messages.push("Enter an email address");
+    }
+};
+exports.email = email;
+const required = (status) => {
+    if (validator_1.default.isEmpty(status.value.toString(), { ignore_whitespace: true })) {
+        status.setInvalid(true);
+        status.messages.push("A value is required");
+    }
+};
+exports.required = required;
+const no_op = (status) => { };
+exports.no_op = no_op;

Chapter 18/End of Chapter/sportsstore/dist/data/validation/index.js

@@ -0,0 +1,20 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+__exportStar(require("./validation_types"), exports);
+__exportStar(require("./validator"), exports);
+__exportStar(require("./basic_rules"), exports);
+__exportStar(require("./order_rules"), exports);

Chapter 18/End of Chapter/sportsstore/dist/data/validation/order_rules.js

@@ -0,0 +1,15 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddressValidator = exports.CustomerValidator = void 0;
+const validator_1 = require("./validator");
+const basic_rules_1 = require("./basic_rules");
+exports.CustomerValidator = new validator_1.Validator({
+    name: [basic_rules_1.required, (0, basic_rules_1.minLength)(6)],
+    email: basic_rules_1.email
+});
+exports.AddressValidator = new validator_1.Validator({
+    street: basic_rules_1.required,
+    city: basic_rules_1.required,
+    state: basic_rules_1.required,
+    zip: basic_rules_1.no_op
+});

Chapter 18/End of Chapter/sportsstore/dist/data/validation/validation_types.js

@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ValidationStatus = void 0;
+class ValidationStatus {
+    value;
+    invalid = false;
+    constructor(value) {
+        this.value = value;
+    }
+    get isInvalid() {
+        return this.invalid;
+    }
+    setInvalid(newValue) {
+        this.invalid = newValue || this.invalid;
+    }
+    messages = [];
+}
+exports.ValidationStatus = ValidationStatus;

Chapter 18/End of Chapter/sportsstore/dist/data/validation/validator.js

@@ -0,0 +1,50 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getData = exports.isValid = exports.Validator = void 0;
+const validation_types_1 = require("./validation_types");
+class Validator {
+    rules;
+    breakOnInvalid;
+    constructor(rules, breakOnInvalid = true) {
+        this.rules = rules;
+        this.breakOnInvalid = breakOnInvalid;
+    }
+    async validate(data) {
+        const vdata = Object.entries(this.rules).map(async ([key, rules]) => {
+            const status = new validation_types_1.ValidationStatus(data?.[key] ?? "");
+            const rs = (Array.isArray(rules) ? rules : [rules]);
+            for (const r of rs) {
+                if (!status.isInvalid || !this.breakOnInvalid) {
+                    await r(status);
+                }
+            }
+            return [key, status];
+        });
+        const done = await Promise.all(vdata);
+        return Object.fromEntries(done);
+    }
+    validateOriginal(data) {
+        const vdata = Object.entries(this.rules).map(([key, rules]) => {
+            const status = new validation_types_1.ValidationStatus(data?.[key] ?? "");
+            (Array.isArray(rules) ? rules : [rules])
+                .forEach(async (rule) => {
+                if (!status.isInvalid || !this.breakOnInvalid) {
+                    await rule(status);
+                }
+            });
+            return [key, status];
+        });
+        return Object.fromEntries(vdata);
+    }
+}
+exports.Validator = Validator;
+function isValid(result) {
+    return Object.values(result)
+        .every(r => r.isInvalid === false);
+}
+exports.isValid = isValid;
+function getData(result) {
+    return Object.fromEntries(Object.entries(result)
+        .map(([key, status]) => [key, status.value]));
+}
+exports.getData = getData;

Chapter 18/End of Chapter/sportsstore/dist/errors.js

@@ -0,0 +1,28 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createErrorHandlers = void 0;
+const config_1 = require("./config");
+require("express-async-errors");
+const template400 = (0, config_1.getConfig)("errors:400");
+const template500 = (0, config_1.getConfig)("errors:500");
+const createErrorHandlers = (app) => {
+    app.use((req, resp) => {
+        resp.statusCode = 404;
+        resp.render(template400);
+    });
+    const handler = (error, req, resp, next) => {
+        console.log(error);
+        if (resp.headersSent) {
+            return next(error);
+        }
+        try {
+            resp.statusCode = 500;
+            resp.render(template500, { error });
+        }
+        catch (newErr) {
+            next(error);
+        }
+    };
+    app.use(handler);
+};
+exports.createErrorHandlers = createErrorHandlers;

Chapter 18/End of Chapter/sportsstore/dist/helpers/cart_helpers.js

@@ -0,0 +1,5 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.countCartItems = void 0;
+const countCartItems = (cart) => cart.lines.reduce((total, line) => total + line.quantity, 0);
+exports.countCartItems = countCartItems;

Chapter 18/End of Chapter/sportsstore/dist/helpers/catalog_helpers.js

@@ -0,0 +1,70 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.currency = exports.highlight = exports.categoryButtons = exports.pageSizeOptions = exports.pageButtons = exports.escapeUrl = exports.navigationUrl = void 0;
+const handlebars_1 = __importDefault(require("handlebars"));
+const querystring_1 = require("querystring");
+const querystring_2 = require("querystring");
+const getData = (options) => {
+    return { ...options.data.root, ...options.hash };
+};
+const navigationUrl = (options) => {
+    const { page, pageSize, category, searchTerm } = getData(options);
+    return "/?" + (0, querystring_1.stringify)({ page, pageSize, category, searchTerm });
+};
+exports.navigationUrl = navigationUrl;
+const escapeUrl = (url) => (0, querystring_2.escape)(url);
+exports.escapeUrl = escapeUrl;
+const pageButtons = (options) => {
+    const { page, pageCount } = getData(options);
+    let output = "";
+    for (let i = 1; i <= pageCount; i++) {
+        output += options.fn({
+            page, pageCount, index: i, selected: i === page
+        });
+    }
+    return output;
+};
+exports.pageButtons = pageButtons;
+const pageSizeOptions = (options) => {
+    const { pageSize } = getData(options);
+    let output = "";
+    [3, 6, 9].forEach(size => {
+        output += options.fn({ size,
+            selected: pageSize === size ? "selected" : "" });
+    });
+    return output;
+};
+exports.pageSizeOptions = pageSizeOptions;
+const categoryButtons = (options) => {
+    const { category, categories } = getData(options);
+    let output = "";
+    for (let i = 0; i < categories.length; i++) {
+        output += options.fn({
+            id: categories[i].id,
+            name: categories[i].name,
+            selected: category === categories[i].id
+        });
+    }
+    return output;
+};
+exports.categoryButtons = categoryButtons;
+const highlight = (value, options) => {
+    const { searchTerm } = getData(options);
+    if (searchTerm && searchTerm !== "") {
+        const regexp = new RegExp(searchTerm, "ig");
+        const mod = value.replaceAll(regexp, "<strong>$&</strong>");
+        return new handlebars_1.default.SafeString(mod);
+    }
+    return value;
+};
+exports.highlight = highlight;
+const formatter = new Intl.NumberFormat("en-us", {
+    style: "currency", currency: "USD"
+});
+const currency = (value) => {
+    return formatter.format(value);
+};
+exports.currency = currency;

Chapter 18/End of Chapter/sportsstore/dist/helpers/env.js

@@ -0,0 +1,8 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isDevelopment = void 0;
+const config_1 = require("../config");
+const isDevelopment = (value) => {
+    return (0, config_1.getEnvironment)() === config_1.Env.Development;
+};
+exports.isDevelopment = isDevelopment;

Chapter 18/End of Chapter/sportsstore/dist/helpers/index.js

@@ -0,0 +1,44 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createTemplates = void 0;
+const config_1 = require("../config");
+const express_handlebars_1 = require("express-handlebars");
+const env_helpers = __importStar(require("./env"));
+const catalog_helpers = __importStar(require("./catalog_helpers"));
+const cart_helpers = __importStar(require("./cart_helpers"));
+const order_helpers = __importStar(require("./order_helpers"));
+const location = (0, config_1.getConfig)("templates:location");
+const config = (0, config_1.getConfig)("templates:config");
+const createTemplates = (app) => {
+    app.set("views", location);
+    app.engine("handlebars", (0, express_handlebars_1.engine)({
+        ...config,
+        helpers: { ...env_helpers, ...catalog_helpers, ...cart_helpers,
+            ...order_helpers }
+    }));
+    app.set("view engine", "handlebars");
+};
+exports.createTemplates = createTemplates;

Chapter 18/End of Chapter/sportsstore/dist/helpers/order_helpers.js

@@ -0,0 +1,11 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.get = exports.getValue = exports.lower = exports.toArray = void 0;
+const toArray = (...args) => args.slice(0, -1);
+exports.toArray = toArray;
+const lower = (val) => val.toLowerCase();
+exports.lower = lower;
+const getValue = (val, prop) => val?.[prop.toLowerCase()] ?? {};
+exports.getValue = getValue;
+const get = (val) => val ?? {};
+exports.get = get;

Chapter 18/End of Chapter/sportsstore/dist/routes/cart.js

@@ -0,0 +1,61 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createCartRoutes = exports.createCartMiddleware = void 0;
+const querystring_1 = require("querystring");
+const cart_models_1 = require("../data/cart_models");
+const cart_helpers = __importStar(require("../data/cart_helpers"));
+const createCartMiddleware = (app) => {
+    app.use((req, resp, next) => {
+        resp.locals.cart = req.session.cart = req.session.cart ?? (0, cart_models_1.createCart)();
+        next();
+    });
+};
+exports.createCartMiddleware = createCartMiddleware;
+const createCartRoutes = (app) => {
+    app.post("/cart", (req, resp) => {
+        const productId = Number.parseInt(req.body.productId);
+        if (isNaN(productId)) {
+            throw new Error("ID  must be an integer");
+        }
+        (0, cart_models_1.addLine)(req.session.cart, productId, 1);
+        resp.redirect(`/cart?returnUrl=${(0, querystring_1.escape)(req.body.returnUrl ?? "/")}`);
+    });
+    app.get("/cart", async (req, resp) => {
+        const cart = req.session.cart;
+        resp.render("cart", {
+            cart: await cart_helpers.getCartDetail(cart),
+            returnUrl: (0, querystring_1.unescape)(req.query.returnUrl?.toString() ?? "/")
+        });
+    });
+    app.post("/cart/remove", (req, resp) => {
+        const id = Number.parseInt(req.body.id);
+        if (!isNaN(id)) {
+            (0, cart_models_1.removeLine)(req.session.cart, id);
+        }
+        resp.redirect(`/cart?returnUrl=${(0, querystring_1.escape)(req.body.returnUrl ?? "/")}`);
+    });
+};
+exports.createCartRoutes = createCartRoutes;

Chapter 18/End of Chapter/sportsstore/dist/routes/catalog.js

@@ -0,0 +1,19 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createCatalogRoutes = void 0;
+const data_1 = require("../data");
+const createCatalogRoutes = (app) => {
+    app.get("/", async (req, resp) => {
+        const page = Number.parseInt(req.query.page?.toString() ?? "1");
+        const pageSize = Number.parseInt(req.query.pageSize?.toString() ?? "3");
+        const searchTerm = req.query.searchTerm?.toString();
+        const category = Number.parseInt(req.query.category?.toString() ?? "");
+        const res = await data_1.catalog_repository.getProducts({ page, pageSize,
+            searchTerm, category });
+        resp.render("index", { ...res, page, pageSize,
+            pageCount: Math.ceil(res.totalCount / (pageSize ?? 1)),
+            searchTerm, category, show_cart: true
+        });
+    });
+};
+exports.createCatalogRoutes = createCatalogRoutes;

Chapter 18/End of Chapter/sportsstore/dist/routes/index.js

@@ -0,0 +1,13 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createRoutes = void 0;
+const catalog_1 = require("./catalog");
+const cart_1 = require("./cart");
+const orders_1 = require("./orders");
+const createRoutes = (app) => {
+    (0, cart_1.createCartMiddleware)(app);
+    (0, catalog_1.createCatalogRoutes)(app);
+    (0, cart_1.createCartRoutes)(app);
+    (0, orders_1.createOrderRoutes)(app);
+};
+exports.createRoutes = createRoutes;

Chapter 18/End of Chapter/sportsstore/dist/routes/order_helpers.js

@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createAndStoreOrder = void 0;
+const data_1 = require("../data");
+const createAndStoreOrder = async (customer, address, cart) => {
+    const product_ids = cart.lines.map(l => l.productId) ?? [];
+    const product_details = Object.fromEntries((await data_1.catalog_repository.getProductDetails(product_ids))
+        .map(p => [p.id ?? 0, p.price ?? 0]));
+    const selections = cart.lines.map(l => ({
+        productId: l.productId, quantity: l.quantity,
+        price: product_details[l.productId]
+    }));
+    return data_1.order_repository.storeOrder({
+        customer, address,
+        selections, shipped: false
+    });
+};
+exports.createAndStoreOrder = createAndStoreOrder;

Chapter 18/End of Chapter/sportsstore/dist/routes/orders.js

@@ -0,0 +1,40 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createOrderRoutes = void 0;
+const validation_1 = require("../data/validation");
+const order_helpers_1 = require("./order_helpers");
+const createOrderRoutes = (app) => {
+    app.get("/checkout", (req, resp) => {
+        req.session.pageSize =
+            req.session.pageSize ?? req.query.pageSize?.toString() ?? "3";
+        resp.render("order_details", {
+            order: req.session.orderData,
+            page: 1,
+            pageSize: req.session.pageSize
+        });
+    });
+    app.post("/checkout", async (req, resp) => {
+        const { customer, address } = req.body;
+        const data = req.session.orderData = {
+            customer: await validation_1.CustomerValidator.validate(customer),
+            address: await validation_1.AddressValidator.validate(address)
+        };
+        if ((0, validation_1.isValid)(data.customer) && (0, validation_1.isValid)(data.address)
+            && req.session.cart) {
+            const order = await (0, order_helpers_1.createAndStoreOrder)((0, validation_1.getData)(data.customer), (0, validation_1.getData)(data.address), req.session.cart);
+            resp.redirect(`/checkout/${order.id}`);
+            req.session.cart = undefined;
+            req.session.orderData = undefined;
+        }
+        else {
+            resp.redirect("/checkout");
+        }
+    });
+    app.get("/checkout/:id", (req, resp) => {
+        resp.render("order_complete", {
+            id: req.params.id,
+            pageSize: req.session.pageSize ?? 3
+        });
+    });
+};
+exports.createOrderRoutes = createOrderRoutes;

Chapter 18/End of Chapter/sportsstore/dist/server.js

@@ -0,0 +1,26 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const http_1 = require("http");
+const express_1 = __importDefault(require("express"));
+const helmet_1 = __importDefault(require("helmet"));
+const config_1 = require("./config");
+const routes_1 = require("./routes");
+const helpers_1 = require("./helpers");
+const errors_1 = require("./errors");
+const sessions_1 = require("./sessions");
+const port = (0, config_1.getConfig)("http:port", 5000);
+const expressApp = (0, express_1.default)();
+expressApp.use((0, helmet_1.default)());
+expressApp.use(express_1.default.json());
+expressApp.use(express_1.default.urlencoded({ extended: true }));
+expressApp.use(express_1.default.static("node_modules/bootstrap/dist"));
+expressApp.use(express_1.default.static("node_modules/bootstrap-icons"));
+(0, helpers_1.createTemplates)(expressApp);
+(0, sessions_1.createSessions)(expressApp);
+(0, routes_1.createRoutes)(expressApp);
+(0, errors_1.createErrorHandlers)(expressApp);
+const server = (0, http_1.createServer)(expressApp);
+server.listen(port, () => console.log(`HTTP Server listening on port ${port}`));

Chapter 18/End of Chapter/sportsstore/dist/sessions.js

@@ -0,0 +1,36 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createSessions = void 0;
+const sequelize_1 = require("sequelize");
+const config_1 = require("./config");
+const express_session_1 = __importDefault(require("express-session"));
+const connect_session_sequelize_1 = __importDefault(require("connect-session-sequelize"));
+const config = (0, config_1.getConfig)("sessions");
+const secret = (0, config_1.getSecret)("COOKIE_SECRET");
+const logging = config.orm.logging
+    ? { logging: console.log, logQueryParameters: true }
+    : { logging: false };
+const createSessions = (app) => {
+    const sequelize = new sequelize_1.Sequelize({
+        ...config.orm.settings, ...logging
+    });
+    const store = new ((0, connect_session_sequelize_1.default)(express_session_1.default.Store))({
+        db: sequelize
+    });
+    if (config.reset_db === true) {
+        sequelize.drop().then(() => store.sync());
+    }
+    else {
+        store.sync();
+    }
+    app.use((0, express_session_1.default)({
+        secret, store,
+        resave: true, saveUninitialized: false,
+        cookie: { maxAge: config.maxAgeHrs * 60 * 60 * 1000,
+            sameSite: "strict" }
+    }));
+};
+exports.createSessions = createSessions;