Merge pull request #7265 from siderio2/main

#47 - Javascript

Roadmap/47 - CALENDARIO DE ADVIENTO/javascript/siderio2.js

@@ -0,0 +1,124 @@
+/**
+ * @author Desiderio Martínez Silva aka siderio2
+ * @version 1.0
+ * @description "Javascript implementation of the Advent Calendar exercise 48 from MoureDev Roadmap"
+ * @see https://retosdeprogramacion.com/roadmap/
+ *
+ */
+
+/**
+ * Module for reading data from the terminal
+ *
+ * @see https://nodejs.org/api/readline.html
+ */
+const readline = require("readline");
+
+class AdventCalendar {
+  /**
+   * Constructor for the advent calendar class
+   *
+   * @returns {AdventCalendar}
+   *
+   * @property {Array<string>} calendar - Array of strings representing the days of the advent calendar
+   * @property {Set<number>} openedDays - Set of numbers representing the days that have been opened
+   * @property {Object} rl - Instance of the readline module to read data from the terminal
+   */
+  constructor() {
+    this.calendar = [];
+    this.openedDays = new Set();
+    this.rl = readline.createInterface({
+      input: process.stdin,
+      output: process.stdout,
+    });
+  }
+
+  /**
+   * Populates the calendar array with string representations of days 1-24.
+   * Each day is represented as a two-character string, with a leading zero for days 1-9.
+   */
+  populateCalendar() {
+    for (let i = 1; i <= 24; i++) {
+      if (i < 10) {
+        this.calendar.push("0" + i.toString());
+        continue;
+      }
+      this.calendar.push(i.toString());
+    }
+  }
+
+  /**
+   * Prints the advent calendar to the console.
+   *
+   * Each day is represented as a two-character string, with a leading zero for days 1-9.
+   * Opened days are represented as '**** ' and unopened days are represented as '*XX* '.
+   * The calendar is printed as a 4x6 grid of strings, with a space between each day and a newline between each row.
+   */
+  printCalendar() {
+    process.stdout.write("\n");
+    for (let i = 0; i < 4; i++) {
+      process.stdout.write("**** ".repeat(6) + "\n");
+      for (let j = 0; j < 6; j++) {
+        const day = this.calendar[i * 6 + j];
+        process.stdout.write(
+          this.openedDays.has(parseInt(day)) ? "**** " : "*" + day + "* "
+        );
+      }
+      process.stdout.write("\n" + "**** ".repeat(6) + "\n\n");
+    }
+  }
+
+  /**
+   * Prints the days that have been opened to the console.
+   *
+   * If no days have been opened, prints "Ninguno día abierto todavía.".
+   * Otherwise, prints a comma-separated list of the opened days.
+   */
+  printOpenedDays() {
+    if (this.openedDays.size == 0) {
+      console.log("Ninguno día abierto todavía.\n");
+      return;
+    }
+    console.log("Días abiertos: " + [...this.openedDays].join(", ") + "\n");
+  }
+
+  /**
+   * Asks the user which day they want to open, and then opens that day
+   * and prints the updated calendar and list of opened days.
+   * If the user enters 'x', the program exits.
+   * If the user enters a non-integer, an integer outside the range of 1-24,
+   * or an integer that has already been opened, the program will print
+   * an error message and ask again.
+   */
+  selectDay() {
+    this.rl.question("Que día deseas abrir ('x' para salir): ", (dia) => {
+      if (dia.toLowerCase() == "x") {
+        this.rl.close();
+        return;
+      }
+
+      dia = parseInt(dia);
+
+      if (isNaN(dia) || !Number.isInteger(dia)) {
+        console.log("El dia debe ser un entero");
+        this.selectDay();
+      } else if (dia < 1 || dia > 24) {
+        console.log("El dia debe estar entre 1 y 24");
+        this.selectDay();
+      } else if (this.openedDays.has(dia)) {
+        console.log("El dia ya estaba abierto");
+        this.selectDay();
+      } else {
+        this.openedDays.add(dia);
+        this.printCalendar();
+        this.printOpenedDays();
+        this.selectDay();
+      }
+    });
+  }
+}
+
+const calendar = new AdventCalendar();
+calendar.populateCalendar();
+calendar.printCalendar();
+calendar.printOpenedDays();
+calendar.selectDay();