1. Система організації та управління опитуваннями експертів

# Реалізація інформаційного та програмного забезпечення

В рамках проекту розробляється:

# SQL-скрипт для створення на початкового наповнення бази даних

-- MySQL Workbench Forward Engineering

SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION';

-- -----------------------------------------------------
-- Schema mydb
-- -----------------------------------------------------

-- -----------------------------------------------------
-- Schema mydb
-- -----------------------------------------------------
CREATE SCHEMA IF NOT EXISTS `mydb` DEFAULT CHARACTER SET utf8 ;
USE `mydb` ;

-- -----------------------------------------------------
-- Table `mydb`.`role`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`role` (
  `id` INT NOT NULL,
  `name` ENUM('Respondent', 'Interviewer') NOT NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`users`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`users` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `username` VARCHAR(45) NOT NULL,
  `email` VARCHAR(45) NOT NULL,
  `password` VARCHAR(45) NOT NULL,
  `role_id` INT NOT NULL,
  PRIMARY KEY (`id`, `role_id`),
  UNIQUE INDEX `email_UNIQUE` (`email` ASC) VISIBLE,
  INDEX `fk_users_role1_idx` (`role_id` ASC) VISIBLE,
  CONSTRAINT `fk_users_role1`
    FOREIGN KEY (`role_id`)
    REFERENCES `mydb`.`role` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`quizes`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`quizes` (
  `id` INT NOT NULL,
  `name` VARCHAR(45) NOT NULL,
  `title` VARCHAR(45) NOT NULL,
  `description` VARCHAR(45) NOT NULL,
  `end_date` DATE NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE INDEX `id_UNIQUE` (`id` ASC) VISIBLE)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`questions`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`questions` (
  `id` INT NOT NULL,
  `name` VARCHAR(45) NOT NULL,
  `description` VARCHAR(45) NOT NULL,
  `title` VARCHAR(45) NOT NULL,
  `help_text` VARCHAR(45) NOT NULL,
  `required` TINYINT NOT NULL,
  `quizes_id` INT NOT NULL,
  PRIMARY KEY (`id`, `quizes_id`),
  INDEX `fk_questions_quizes1_idx` (`quizes_id` ASC) VISIBLE,
  CONSTRAINT `fk_questions_quizes1`
    FOREIGN KEY (`quizes_id`)
    REFERENCES `mydb`.`quizes` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`options`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`options` (
  `id` INT NOT NULL,
  `text` VARCHAR(45) NOT NULL,
  `iscorrect` TINYINT NULL,
  `questions_id` INT NOT NULL,
  PRIMARY KEY (`id`, `questions_id`),
  INDEX `fk_options_questions1_idx` (`questions_id` ASC) VISIBLE,
  CONSTRAINT `fk_options_questions1`
    FOREIGN KEY (`questions_id`)
    REFERENCES `mydb`.`questions` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`results`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`results` (
  `id` INT NOT NULL,
  `options_id` INT NOT NULL,
  `users_id` INT NOT NULL,
  PRIMARY KEY (`id`, `options_id`, `users_id`),
  INDEX `fk_results_options1_idx` (`options_id` ASC) VISIBLE,
  INDEX `fk_results_users1_idx` (`users_id` ASC) VISIBLE,
  CONSTRAINT `fk_results_options1`
    FOREIGN KEY (`options_id`)
    REFERENCES `mydb`.`options` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_results_users1`
    FOREIGN KEY (`users_id`)
    REFERENCES `mydb`.`users` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`State`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`State` (
  `id` INT NOT NULL,
  `name` VARCHAR(45) NOT NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`actionType`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`actionType` (
  `id` INT NOT NULL,
  `name` VARCHAR(45) NOT NULL,
  `description` VARCHAR(45) NOT NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`actions`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`actions` (
  `id` INT NOT NULL,
  `actedAt` DATETIME NOT NULL,
  `State_id` INT NOT NULL,
  `actionType_id` INT NOT NULL,
  PRIMARY KEY (`id`),
  INDEX `fk_actions_State1_idx` (`State_id` ASC) VISIBLE,
  INDEX `fk_actions_actionType1_idx` (`actionType_id` ASC) VISIBLE,
  CONSTRAINT `fk_actions_State1`
    FOREIGN KEY (`State_id`)
    REFERENCES `mydb`.`State` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_actions_actionType1`
    FOREIGN KEY (`actionType_id`)
    REFERENCES `mydb`.`actionType` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`groups`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`groups` (
  `id` INT NOT NULL,
  `name` VARCHAR(45) NOT NULL,
  `description` VARCHAR(45) NOT NULL,
  `creatorId` INT NOT NULL,
  `actions_id` INT NOT NULL,
  `users_id` INT NOT NULL,
  `users_Roles_id` INT NOT NULL,
  `quizes_id` INT NOT NULL,
  PRIMARY KEY (`id`, `actions_id`, `users_id`, `users_Roles_id`, `quizes_id`),
  INDEX `fk_groups_actions1_idx` (`actions_id` ASC) VISIBLE,
  INDEX `fk_groups_users1_idx` (`users_id` ASC, `users_Roles_id` ASC) VISIBLE,
  INDEX `fk_groups_quizes1_idx` (`quizes_id` ASC) VISIBLE,
  CONSTRAINT `fk_groups_actions1`
    FOREIGN KEY (`actions_id`)
    REFERENCES `mydb`.`actions` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_groups_users1`
    FOREIGN KEY (`users_id`)
    REFERENCES `mydb`.`users` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_groups_quizes1`
    FOREIGN KEY (`quizes_id`)
    REFERENCES `mydb`.`quizes` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


SET SQL_MODE=@OLD_SQL_MODE;
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
  • RESTfull сервіс для управління даними

# RESTfull сервіс для управління даними

# Файл підключення до бази даних (db.js)

const mysql = require("mysql2");

const connectionOptions = {
  host: "localhost",
  user: "root",
  password: "87304Va",
  database: "mydb",
};

const db = mysql.createConnection(connectionOptions);

module.exports = { db };

# Кореневий файл серверу (server.js)

const express = require("express");
const Controllers = require("./controllers");
const app = express();
const jsonParse = express.json();
const { db } = require("./db");

app.get("/api/question/:id", Controllers.getQuestion);
app.get("/api/questions", Controllers.getAllQuestions);
app.post("/api/question", jsonParse, Controllers.createQuestion);
app.put("/api/question/:id", jsonParse, Controllers.updateQuestion);
app.delete("/api/question/:id", Controllers.deleteQuestion);

const PORT = 3500;

app.listen(PORT, () => console.log(`Server is running on port ${PORT}`));

# Файл контролерів для обробки запитів (controllers.js)

const Model = require("./model");

class Controllers {
  static resHandler = (res, data) => {
    if (data) {
      res.send(data);
    } else {
      res.sendStatus(404);
    }
  };

  static getQuestion = async (req, res) => {
    await Model.getQuestionById(req.params).then((result) => {
      this.resHandler(res, result);
    });
  };

  static getAllQuestions = async (req, res) => {
    await Model.getQuestions().then((result) => {
      this.resHandler(res, result);
    });
  };

  static createQuestion = async (req, res) => {
    if (!req.body) return res.sendStatus(400);
    const id = Math.ceil(Math.random() * (100 - 1) * Math.random() * (100 - 1));
    await Model.postQuestion({ id, ...req.body })
      .then(() => Model.getQuestionById({ id }))
      .then((result) => {
        this.resHandler(res, result);
      });
  };

  static updateQuestion = async (req, res) => {
    if (!req.body) return res.sendStatus(400);
    await Model.updateQuestionById(req.params, req.body)
      .then(() => Model.getQuestionById(req.params))
      .then((result) => {
        this.resHandler(res, result);
      });
  };

  static deleteQuestion = async (req, res) => {
    await Model.deleteQuestionById(req.params).then((result) => {
      this.resHandler(res, result);
    });
  };
}

module.exports = Controllers;

# Файл запитів до бази даних (model.js)

const { db } = require("./db");

class Model {
  static dbHandler = (sql) => {
    return new Promise((resolve) => {
      db.connect(function(err) {
        if (err) throw err;
        return db.query(sql, (err, result) => {
          if (err) throw err;
          resolve(result);
        });
      });
    });
  };

  static getQuestionById = ({ id }) => {
    const sql = `SELECT * FROM questions WHERE id = ${id}`;
    return this.dbHandler(sql);
  };

  static getQuestions = () => {
    const sql = `SELECT * from questions`;
    return this.dbHandler(sql);
  };

  static postQuestion = ({
    id,
    name,
    description,
    title,
    help_text,
    required,
    quizes_id,
  }) => {
    const sql = `INSERT INTO questions (id, name, description, title, help_text, required, quizes_id) VALUES (${id}, \"${name}\", \"${description}\", \"${title}\", \"${help_text}\", \"${required}\", ${quizes_id})`;
    return this.dbHandler(sql);
  };

  static updateQuestionById = (
    { id },
    { name, description, title, help_text, required, quizes_id }
  ) => {
    const sql = `UPDATE questions SET name = \"${name}\", description = \"${description}\", title = \"${title}\", help_text = \"${help_text}\", required = \"${required}\", quizes_id = \"${quizes_id}\" WHERE id = ${id} `;
    return this.dbHandler(sql);
  };

  static deleteQuestionById = ({ id }) => {
    const sql = `DELETE FROM questions WHERE id = ${id}`;
    return this.dbHandler(sql).then(
      () => `Question with id: ${id} was deleted!`
    );
  };
}

module.exports = Model;
Останнє оновлення: 1/7/2023, 2:09:20 AM

← Тестування працездатності системи →