Initial content

2024-05-29 18:54:49 +01:00
parent 2dbc1a8088
commit 5215a1d919
1944 changed files with 203378 additions and 0 deletions
@@ -0,0 +1,65 @@
+"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.registerCustomTemplateEngine = void 0;
+const fs_1 = require("fs");
+const features = __importStar(require("./custom_features"));
+const renderTemplate = (path, context, callback) => {
+    (0, fs_1.readFile)(path, (err, data) => {
+        if (err != undefined) {
+            callback("Cannot generate content", undefined);
+        }
+        else {
+            callback(undefined, parseTemplate(data.toString(), { ...context, features }));
+        }
+    });
+};
+const parseTemplate = (template, context) => {
+    const ctx = Object.keys(context)
+        .map((k) => `const ${k} = context.${k}`)
+        .join(";");
+    const expr = /{{(.*)}}/gm;
+    return template.toString().replaceAll(expr, (match, group) => {
+        const evalFunc = (expr) => {
+            return eval(`${ctx};${expr}`);
+        };
+        try {
+            if (group.trim()[0] === "@") {
+                group = `features.${group.trim().substring(1)}`;
+                group = group.replace(/\)$/m, ", context, evalFunc)");
+            }
+            let result = evalFunc(group);
+            if (expr.test(result)) {
+                result = parseTemplate(result, context);
+            }
+            return result;
+        }
+        catch (err) {
+            return err;
+        }
+    });
+};
+const registerCustomTemplateEngine = (expressApp) => expressApp.engine("custom", renderTemplate);
+exports.registerCustomTemplateEngine = registerCustomTemplateEngine;
@@ -0,0 +1,17 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.conditional = exports.partial = exports.style = void 0;
+const fs_1 = require("fs");
+const style = (stylesheet) => {
+    return `<link href="/css/${stylesheet}" rel="stylesheet" />`;
+};
+exports.style = style;
+const partial = (file, context) => {
+    const path = `./${context.settings.views}/${file}.custom`;
+    return (0, fs_1.readFileSync)(path, "utf-8");
+};
+exports.partial = partial;
+const conditional = (expression, trueFile, falseFile, context, evalFunc) => {
+    return (0, exports.partial)(evalFunc(expression) ? trueFile : falseFile, context);
+};
+exports.conditional = conditional;
@@ -0,0 +1,6 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+//import { SqlRepository } from "./sql_repository";
+const orm_repository_1 = require("./orm_repository");
+const repository = new orm_repository_1.OrmRepository();
+exports.default = repository;
@@ -0,0 +1,59 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.fromOrmModel = exports.addSeedData = exports.defineRelationships = exports.initializeModels = void 0;
+const sequelize_1 = require("sequelize");
+const orm_models_1 = require("./orm_models");
+const primaryKey = {
+    id: {
+        type: sequelize_1.DataTypes.INTEGER,
+        autoIncrement: true,
+        primaryKey: true
+    }
+};
+const initializeModels = (sequelize) => {
+    orm_models_1.Person.init({
+        ...primaryKey,
+        name: { type: sequelize_1.DataTypes.STRING }
+    }, { sequelize });
+    orm_models_1.Calculation.init({
+        ...primaryKey,
+        age: { type: sequelize_1.DataTypes.INTEGER },
+        years: { type: sequelize_1.DataTypes.INTEGER },
+        nextage: { type: sequelize_1.DataTypes.INTEGER },
+    }, { sequelize });
+    orm_models_1.ResultModel.init({
+        ...primaryKey,
+    }, { sequelize });
+};
+exports.initializeModels = initializeModels;
+const defineRelationships = () => {
+    orm_models_1.ResultModel.belongsTo(orm_models_1.Person, { foreignKey: "personId" });
+    orm_models_1.ResultModel.belongsTo(orm_models_1.Calculation, { foreignKey: "calculationId" });
+};
+exports.defineRelationships = defineRelationships;
+const addSeedData = async (sequelize) => {
+    await sequelize.query(`
+        INSERT INTO Calculations 
+            (id, age, years, nextage, createdAt, updatedAt) VALUES
+                (1, 35, 5, 40, date(), date()), 
+                (2, 35, 10, 45, date(), date())`);
+    await sequelize.query(`
+        INSERT INTO People (id, name, createdAt, updatedAt) VALUES
+            (1, 'Alice', date(), date()), (2, "Bob", date(), date())`);
+    await sequelize.query(`
+        INSERT INTO ResultModels
+                (calculationId, personId, createdAt, updatedAt) VALUES
+            (1, 1, date(), date()), (2, 2, date(), date()), 
+            (2, 1, date(), date());`);
+};
+exports.addSeedData = addSeedData;
+const fromOrmModel = (model) => {
+    return {
+        id: model?.id || 0,
+        name: model?.Person?.name || "",
+        age: model?.Calculation?.age || 0,
+        years: model?.Calculation?.years || 0,
+        nextage: model?.Calculation?.nextage || 0
+    };
+};
+exports.fromOrmModel = fromOrmModel;
@@ -0,0 +1,13 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ResultModel = exports.Calculation = exports.Person = void 0;
+const sequelize_1 = require("sequelize");
+class Person extends sequelize_1.Model {
+}
+exports.Person = Person;
+class Calculation extends sequelize_1.Model {
+}
+exports.Calculation = Calculation;
+class ResultModel extends sequelize_1.Model {
+}
+exports.ResultModel = ResultModel;
@@ -0,0 +1,59 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.OrmRepository = void 0;
+const sequelize_1 = require("sequelize");
+const orm_helpers_1 = require("./orm_helpers");
+const orm_models_1 = require("./orm_models");
+class OrmRepository {
+    sequelize;
+    constructor() {
+        this.sequelize = new sequelize_1.Sequelize({
+            dialect: "sqlite",
+            storage: "orm_age.db",
+            logging: console.log,
+            logQueryParameters: true
+        });
+        this.initModelAndDatabase();
+    }
+    async initModelAndDatabase() {
+        (0, orm_helpers_1.initializeModels)(this.sequelize);
+        (0, orm_helpers_1.defineRelationships)();
+        await this.sequelize.drop();
+        await this.sequelize.sync();
+        await (0, orm_helpers_1.addSeedData)(this.sequelize);
+    }
+    async saveResult(r) {
+        return await this.sequelize.transaction(async (tx) => {
+            const [person] = await orm_models_1.Person.findOrCreate({
+                where: { name: r.name },
+                transaction: tx
+            });
+            const [calculation] = await orm_models_1.Calculation.findOrCreate({
+                where: {
+                    age: r.age, years: r.years, nextage: r.nextage
+                },
+                transaction: tx
+            });
+            return (await orm_models_1.ResultModel.create({
+                personId: person.id, calculationId: calculation.id
+            }, { transaction: tx })).id;
+        });
+    }
+    async getAllResults(limit) {
+        return (await orm_models_1.ResultModel.findAll({
+            include: [orm_models_1.Person, orm_models_1.Calculation],
+            limit,
+            order: [["id", "DESC"]]
+        })).map(row => (0, orm_helpers_1.fromOrmModel)(row));
+    }
+    async getResultsByName(name, limit) {
+        return (await orm_models_1.ResultModel.findAll({
+            include: [orm_models_1.Person, orm_models_1.Calculation],
+            where: {
+                "$Person.name$": name
+            },
+            limit, order: [["id", "DESC"]]
+        })).map(row => (0, orm_helpers_1.fromOrmModel)(row));
+    }
+}
+exports.OrmRepository = OrmRepository;
@@ -0,0 +1,2 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TransactionHelper = void 0;
+class TransactionHelper {
+    steps = [];
+    add(sql, params) {
+        this.steps.push([sql, params]);
+        return this;
+    }
+    run(db) {
+        return new Promise((resolve, reject) => {
+            let index = 0;
+            let lastRow = NaN;
+            const cb = (err, rowID) => {
+                if (err) {
+                    db.run("ROLLBACK", () => reject());
+                }
+                else {
+                    lastRow = rowID ? rowID : lastRow;
+                    if (++index === this.steps.length) {
+                        db.run("COMMIT", () => resolve(lastRow));
+                    }
+                    else {
+                        this.runStep(index, db, cb);
+                    }
+                }
+            };
+            db.run("BEGIN", () => this.runStep(0, db, cb));
+        });
+    }
+    runStep(idx, db, cb) {
+        const [sql, params] = this.steps[idx];
+        db.run(sql, params, function (err) {
+            cb(err, this.lastID);
+        });
+    }
+}
+exports.TransactionHelper = TransactionHelper;
@@ -0,0 +1,28 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.insertResult = exports.insertCalculation = exports.insertPerson = exports.queryByNameSql = exports.queryAllSql = void 0;
+const baseSql = `
+    SELECT Results.*, name, age, years, nextage FROM Results
+    INNER JOIN People ON personId = People.id
+    INNER JOIN Calculations ON calculationId = Calculations.id`;
+const endSql = `ORDER BY id DESC LIMIT $limit`;
+exports.queryAllSql = `${baseSql} ${endSql}`;
+exports.queryByNameSql = `${baseSql} WHERE name = $name ${endSql}`;
+exports.insertPerson = `
+    INSERT INTO People (name)
+    SELECT $name
+    WHERE NOT EXISTS (SELECT name FROM People WHERE name = $name)`;
+exports.insertCalculation = `
+    INSERT INTO Calculations (age, years, nextage)
+    SELECT $age, $years, $nextage
+    WHERE NOT EXISTS
+	    (SELECT age, years, nextage FROM Calculations 
+            WHERE age = $age AND years = $years AND nextage = $nextage)`;
+exports.insertResult = `
+    INSERT INTO Results (personId, calculationId)
+    SELECT People.id as personId, Calculations.id as calculationId from People
+	CROSS JOIN Calculations
+	    WHERE People.name = $name 
+		AND Calculations.age = $age 
+		AND Calculations.years = $years
+		AND Calculations.nextage = $nextage`;
@@ -0,0 +1,48 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SqlRepository = void 0;
+const fs_1 = require("fs");
+const sqlite3_1 = require("sqlite3");
+const sql_queries_1 = require("./sql_queries");
+const sql_helpers_1 = require("./sql_helpers");
+class SqlRepository {
+    db;
+    constructor() {
+        this.db = new sqlite3_1.Database("age.db");
+        this.db.exec((0, fs_1.readFileSync)("age.sql").toString(), err => {
+            if (err != undefined)
+                throw err;
+        });
+    }
+    async saveResult(r) {
+        return await new sql_helpers_1.TransactionHelper()
+            .add(sql_queries_1.insertPerson, { $name: r.name })
+            .add(sql_queries_1.insertCalculation, {
+            $age: r.age, $years: r.years, $nextage: r.nextage
+        })
+            .add(sql_queries_1.insertResult, {
+            $name: r.name,
+            $age: r.age, $years: r.years, $nextage: r.nextage
+        })
+            .run(this.db);
+    }
+    getAllResults($limit) {
+        return this.executeQuery(sql_queries_1.queryAllSql, { $limit });
+    }
+    getResultsByName($name, $limit) {
+        return this.executeQuery(sql_queries_1.queryByNameSql, { $name, $limit });
+    }
+    executeQuery(sql, params) {
+        return new Promise((resolve, reject) => {
+            this.db.all(sql, params, (err, rows) => {
+                if (err == undefined) {
+                    resolve(rows);
+                }
+                else {
+                    reject(err);
+                }
+            });
+        });
+    }
+}
+exports.SqlRepository = SqlRepository;
@@ -0,0 +1,31 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.registerFormRoutes = exports.registerFormMiddleware = void 0;
+const express_1 = __importDefault(require("express"));
+const data_1 = __importDefault(require("./data"));
+const rowLimit = 10;
+const registerFormMiddleware = (app) => {
+    app.use(express_1.default.urlencoded({ extended: true }));
+};
+exports.registerFormMiddleware = registerFormMiddleware;
+const registerFormRoutes = (app) => {
+    app.get("/form", async (req, resp) => {
+        resp.render("age", {
+            history: await data_1.default.getAllResults(rowLimit)
+        });
+    });
+    app.post("/form", async (req, resp) => {
+        const nextage = Number.parseInt(req.body.age)
+            + Number.parseInt(req.body.years);
+        await data_1.default.saveResult({ ...req.body, nextage });
+        const context = {
+            ...req.body, nextage,
+            history: await data_1.default.getResultsByName(req.body.name, rowLimit)
+        };
+        resp.render("age", context);
+    });
+};
+exports.registerFormRoutes = registerFormRoutes;
@@ -0,0 +1,15 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.santizeValue = void 0;
+const matchPattern = /[&<>="'`]/g;
+const characterMappings = {
+    "&": "&amp;",
+    "<": "&lt;",
+    ">": "&gt;",
+    "\"": "&quot;",
+    "=": "&#x3D;",
+    "'": "&#x27;",
+    "`": "&#x60;"
+};
+const santizeValue = (value) => value?.replace(matchPattern, match => characterMappings[match]);
+exports.santizeValue = santizeValue;
@@ -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 });
+const http_1 = require("http");
+const express_1 = __importDefault(require("express"));
+const http_proxy_1 = __importDefault(require("http-proxy"));
+const helmet_1 = __importDefault(require("helmet"));
+const express_handlebars_1 = require("express-handlebars");
+const forms_1 = require("./forms");
+const port = 5000;
+const expressApp = (0, express_1.default)();
+const proxy = http_proxy_1.default.createProxyServer({
+    target: "http://localhost:5100", ws: true
+});
+expressApp.set("views", "templates/server");
+expressApp.engine("handlebars", (0, express_handlebars_1.engine)());
+expressApp.set("view engine", "handlebars");
+expressApp.use((0, helmet_1.default)());
+expressApp.use(express_1.default.json());
+(0, forms_1.registerFormMiddleware)(expressApp);
+(0, forms_1.registerFormRoutes)(expressApp);
+expressApp.use("^/$", (req, resp) => resp.redirect("/form"));
+expressApp.use(express_1.default.static("static"));
+expressApp.use(express_1.default.static("node_modules/bootstrap/dist"));
+expressApp.use((req, resp) => proxy.web(req, resp));
+const server = (0, http_1.createServer)(expressApp);
+server.on('upgrade', (req, socket, head) => proxy.ws(req, socket, head));
+server.listen(port, () => console.log(`HTTP Server listening on port ${port}`));
@@ -0,0 +1,19 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isOdd = exports.increment = exports.valueOrZero = exports.style = void 0;
+const style = (stylesheet) => {
+    return `<link href="/css/${stylesheet}" rel="stylesheet" />`;
+};
+exports.style = style;
+const valueOrZero = (value) => {
+    return value !== undefined ? value : 0;
+};
+exports.valueOrZero = valueOrZero;
+const increment = (value) => {
+    return Number((0, exports.valueOrZero)(value)) + 1;
+};
+exports.increment = increment;
+const isOdd = (value) => {
+    return Number((0, exports.valueOrZero)(value)) % 2;
+};
+exports.isOdd = isOdd;
@@ -0,0 +1,9 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.testHandler = void 0;
+const testHandler = async (req, resp) => {
+    resp.setHeader("Content-Type", "application/json");
+    resp.json(req.body);
+    resp.end();
+};
+exports.testHandler = testHandler;
@@ -0,0 +1,44 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getValidationResults = exports.validate = void 0;
+const validator_1 = __importDefault(require("validator"));
+const validate = (propName) => {
+    const tests = {};
+    const handler = (req, resp, next) => {
+        const vreq = req;
+        if (!vreq.validation) {
+            vreq.validation = { results: {}, valid: true };
+        }
+        vreq.validation.results[propName] = { valid: true };
+        Object.keys(tests).forEach(k => {
+            let valid = vreq.validation.results[propName][k]
+                = tests[k](req.body?.[propName]);
+            if (!valid) {
+                vreq.validation.results[propName].valid = false;
+                vreq.validation.valid = false;
+            }
+        });
+        next();
+    };
+    handler.required = () => {
+        tests.required = (val) => !validator_1.default.isEmpty(val, { ignore_whitespace: true });
+        return handler;
+    };
+    handler.minLength = (min) => {
+        tests.minLength = (val) => validator_1.default.isLength(val, { min });
+        return handler;
+    };
+    handler.isInteger = () => {
+        tests.isInteger = (val) => validator_1.default.isInt(val);
+        return handler;
+    };
+    return handler;
+};
+exports.validate = validate;
+const getValidationResults = (req) => {
+    return req.validation || { valid: true };
+};
+exports.getValidationResults = getValidationResults;