Initial content

2024-05-29 18:54:49 +01:00
parent 2dbc1a8088
commit 5215a1d919
1944 changed files with 203378 additions and 0 deletions
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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+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 +1,88 @@
+"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));
+    }
+    async getResultById(id) {
+        const model = await orm_models_1.ResultModel.findByPk(id, {
+            include: [orm_models_1.Person, orm_models_1.Calculation]
+        });
+        return model ? (0, orm_helpers_1.fromOrmModel)(model) : undefined;
+    }
+    async delete(id) {
+        const count = await orm_models_1.ResultModel.destroy({ where: { id } });
+        return count == 1;
+    }
+    async update(r) {
+        const mod = await this.sequelize.transaction(async (transaction) => {
+            const stored = await orm_models_1.ResultModel.findByPk(r.id);
+            if (stored !== null) {
+                const [person] = await orm_models_1.Person.findOrCreate({
+                    where: { name: r.name }, transaction
+                });
+                const [calculation] = await orm_models_1.Calculation.findOrCreate({
+                    where: {
+                        age: r.age, years: r.years, nextage: r.nextage
+                    }, transaction
+                });
+                stored.personId = person.id;
+                stored.calculationId = calculation.id;
+                return await stored.save({ transaction });
+            }
+        });
+        return mod ? this.getResultById(mod.id) : undefined;
+    }
+}
+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;
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+"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`;
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+"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;