# Реалізація інформаційного та програмного забезпечення

## SQL-скрипт для створення та початкового наповнення бази даних

```sql
-- 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`.`Account`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`Account` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `username` CHAR(255) NOT NULL,
  `password` CHAR(255) NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE INDEX `id_UNIQUE` (`id` ASC) VISIBLE,
  UNIQUE INDEX `username_UNIQUE` (`username` ASC) VISIBLE)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`Survey`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`Survey` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `isPaused` TINYINT UNSIGNED NOT NULL,
  `isNamed` TINYINT UNSIGNED NOT NULL,
  `name` CHAR(255) NULL,
  `duration` CHAR(255) NULL,
  PRIMARY KEY (`id`),
  UNIQUE INDEX `id_UNIQUE` (`id` ASC) VISIBLE,
  CONSTRAINT `fk_Survey_Account1`
    FOREIGN KEY (`id`)
    REFERENCES `mydb`.`Account` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`Question`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`Question` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `Text` CHAR(255) NULL,
  PRIMARY KEY (`id`),
  UNIQUE INDEX `id_UNIQUE` (`id` ASC) VISIBLE,
  CONSTRAINT `fk_Question_Survey1`
    FOREIGN KEY (`id`)
    REFERENCES `mydb`.`Survey` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`Response`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`Response` (
  `id` INT UNSIGNED NULL AUTO_INCREMENT,
  `Value` VARCHAR(16384) NULL,
  UNIQUE INDEX `id_UNIQUE` (`id` ASC) VISIBLE,
  PRIMARY KEY (`id`),
  CONSTRAINT `fk_Response_Question`
    FOREIGN KEY (`id`)
    REFERENCES `mydb`.`Question` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION,
  CONSTRAINT `fk_Response_Account1`
    FOREIGN KEY (`id`)
    REFERENCES `mydb`.`Account` (`id`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `mydb`.`Link`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `mydb`.`Link` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `uses` INT NOT NULL,
  `responces` INT NOT NULL,
  `usageLimit` INT NULL,
  `responceLimit` INT NULL,
  `path` CHAR(32) NOT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT `fk_Link_Survey1`
    FOREIGN KEY (`id`)
    REFERENCES `mydb`.`Survey` (`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 керування опитуваннями

Код серверу (Python, Flask) для таблиці "survey":
```from flask import Flask, request, jsonify
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://root:1234@localhost/odb'
db = SQLAlchemy(app)

class Survey(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    isPaused = db.Column(db.Boolean)
    isNamed = db.Column(db.Boolean)
    name = db.Column(db.String(255))
    duration = db.Column(db.Integer)
    account_id = db.Column(db.Integer)

    def __repr__(self):
        return f"<Survey {self.name}>"
    
    def as_dict(self):
        return {c.name: getattr(self, c.name) for c in self.__table__.columns}

@app.route("/api/survey", methods=["GET", "POST"])
def api_survey():
    if request.method == "GET":
        surveys = Survey.query.all()
        return jsonify([survey.as_dict() for survey in surveys])

    elif request.method == "POST":
        data = request.json
        new_survey = Survey(isPaused=data['isPaused'], isNamed=data['isNamed'], name=data['name'],
                            duration=data['duration'], account_id=data['account_id'])
        db.session.add(new_survey)
        db.session.commit()
        return jsonify({'success': True}), 201

@app.route("/api/survey/<int:survey_id>", methods=["GET", "PUT", "DELETE"])
def api_survey_numbered(survey_id):
    survey = Survey.query.get_or_404(survey_id)

    if request.method == "GET":
        return jsonify(survey.as_dict())

    elif request.method == "PUT":
        data = request.json
        survey.isPaused = data['isPaused']
        survey.isNamed = data['isNamed']
        survey.name = data['name']
        survey.duration = data['duration']
        survey.account_id = data['account_id']
        db.session.commit()
        return jsonify({'success': True})

    elif request.method == "DELETE":
        db.session.delete(survey)
        db.session.commit()
        return jsonify({'success': True})

if __name__ == '__main__':
    app.run(debug=True)
'''