https://github.com/waldohidalgo/number_guessing_game

Repositorio con los archivos necesarios para aprobar el proyecto número 5: Build a Number Guessing Game necesario para obtener la Relational Database Certification de freecodecamp
https://github.com/waldohidalgo/number_guessing_game

bash bashscripting freecodecamp freecodecamp-challenge freecodecamp-project postgresql

Last synced: 10 days ago
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Repositorio con los archivos necesarios para aprobar el proyecto número 5: Build a Number Guessing Game necesario para obtener la Relational Database Certification de freecodecamp

• Host: GitHub
• URL: https://github.com/waldohidalgo/number_guessing_game
• Owner: waldohidalgo
• Created: 2024-09-10T00:00:08.000Z (2 months ago)
• Default Branch: main
• Last Pushed: 2024-09-10T00:42:45.000Z (2 months ago)
• Last Synced: 2024-10-17T12:55:04.474Z (27 days ago)
• Topics: bash, bashscripting, freecodecamp, freecodecamp-challenge, freecodecamp-project, postgresql
• Language: Shell
• Homepage:
• Size: 216 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Build a Number Guessing Game

Repositorio con el código solución al [proyecto quinto y último](https://www.freecodecamp.org/learn/relational-database/build-a-number-guessing-game-project/build-a-number-guessing-game) el cual es requisito obligatorio para obtener la [Relational Database Certification](https://www.freecodecamp.org/learn/relational-database) de freecodecamp

## Tabla de Contenidos

- [Build a Number Guessing Game](#build-a-number-guessing-game)

  - [Tabla de Contenidos](#tabla-de-contenidos)

  - [Instrucciones y All Tests Passed](#instrucciones-y-all-tests-passed)

  - [Proyecto Aprobado](#proyecto-aprobado)

  - [Comandos SQL](#comandos-sql)

  - [Bash Script](#bash-script)

## Instrucciones y All Tests Passed

![All Tests Passed Screenshot](./screenshots/all_tests_passed.png)

## Proyecto Aprobado

![Proyecto Aprobado Screenshot](./screenshots/passed.webp)

## Comandos SQL

```sql

CREATE DATABASE number_guess;

CREATE TABLE users(user_id SERIAL PRIMARY KEY, username VARCHAR(22) NOT NULL);

CREATE TABLE games(game_id SERIAL PRIMARY KEY, user_id INTEGER NOT NULL REFERENCES users(user_id), number_guess INTEGER NOT NULL, games_played INTEGER NOT NULL DEFAULT 0);

```

## Bash Script

```bash

#!/bin/bash

PSQL="psql --username=freecodecamp --dbname=number_guess -t --no-align -c"

GUESS_NUMBER() {

    USERNAME=$1

    echo "Guess the secret number between 1 and 1000:"

    NUMBER_OF_GUESSES=0

    read NUMBER_INPUT

    NUMBER_OF_GUESSES=$((NUMBER_OF_GUESSES + 1))

    while [[ ! $NUMBER_INPUT =~ ^[0-9]+$ ]]; do

        echo "That is not an integer, guess again:"

        read NUMBER_INPUT

        NUMBER_OF_GUESSES=$((NUMBER_OF_GUESSES + 1))

    done

    while [[ $NUMBER_INPUT -ne $SECRET_NUMBER ]]; do

        if [[ $NUMBER_INPUT -lt $SECRET_NUMBER ]]; then

            echo "It's higher than that, guess again:"

        else

            echo "It's lower than that, guess again:"

        fi

        read NUMBER_INPUT

        NUMBER_OF_GUESSES=$((NUMBER_OF_GUESSES + 1))

        while [[ ! $NUMBER_INPUT =~ ^[0-9]+$ ]]; do

            echo "That is not an integer, guess again:"

            read NUMBER_INPUT

            NUMBER_OF_GUESSES=$((NUMBER_OF_GUESSES + 1))

        done

    done

    INSERT_GAME=$($PSQL "INSERT INTO games(user_id, games_played, number_guess) VALUES((SELECT user_id FROM users WHERE username='$USERNAME'), $NUMBER_OF_GUESSES, $SECRET_NUMBER)")

    echo "You guessed it in $NUMBER_OF_GUESSES tries. The secret number was $SECRET_NUMBER. Nice job!"

}

SECRET_NUMBER=$((1 + $RANDOM % 1000))

echo "Enter your username:"

read USERNAME

if [[ -z $USERNAME ]]; then

    echo "Error: Username cannot be empty"

else

    SEARCH_USERNAME=$($PSQL "SELECT user_id FROM users WHERE username='$USERNAME'")

    if [[ -z $SEARCH_USERNAME ]]; then

        echo "Welcome, $USERNAME! It looks like this is your first time here."

        INSERT_USER=$($PSQL "INSERT INTO users(username) VALUES('$USERNAME')")

    else

        QUERY_GAMES=$($PSQL "SELECT count(*), MIN(games_played) FROM games INNER JOIN users ON games.user_id=users.user_id WHERE username='$USERNAME'")

        echo "$QUERY_GAMES" | while IFS="|" read GAMES_PLAYED BEST_SCORE; do

            echo "Welcome back, $USERNAME! You have played $GAMES_PLAYED games, and your best game took $BEST_SCORE guesses."

        done

    fi

    GUESS_NUMBER $USERNAME

fi

```