#11 - php

Roadmap/11 - MANEJO DE FICHEROS/php/gabrielmoris.php

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+<?php
+/*
+ * IMPORTANT: You should only upload the code file as part of the exercise.
+ *
+ * EXERCISE:
+ * Develop a program capable of creating a file named after
+ * your GitHub username and has the .txt extension.
+ * Add several lines to that file:
+ * - Your name.
+ * - Age.
+ * - Favorite programming language.
+ * Print the content.
+ * Delete the file.
+ */
+
+
+function file_creator($content, $name)
+{
+    $checkedName = "";
+
+    if (substr($name, -4) !== '.txt') {
+        $checkedName =  $name . ".txt";
+    } else {
+        $checkedName = $name;
+    }
+
+    file_put_contents($checkedName, $content, FILE_APPEND | LOCK_EX);
+    echo "File " . $checkedName . " created.\n";
+}
+
+function file_reader($name)
+{
+    $checkedName = "";
+    if (substr($name, -4) !== '.txt') {
+        $checkedName =  $name . ".txt";
+    } else {
+        $checkedName = $name;
+    }
+
+    $contents = file_get_contents($checkedName);
+    echo $contents . "\n";
+}
+
+function file_deleter($name)
+{
+    $checkedName = "";
+    if (substr($name, -4) !== '.txt') {
+        $checkedName =  $name . ".txt";
+    } else {
+        $checkedName = $name;
+    }
+
+    if (file_exists($checkedName)) {
+        if (unlink($checkedName)) {
+            echo "File " . $checkedName . " deleted.\n";
+        } else {
+            echo "File " . $checkedName . " couldn't be deleted.\n";
+        }
+    } else {
+        echo "File " . $checkedName . " doens't exist.\n";
+    }
+}
+
+$content = "Name: Gabriel Moris \nAge: 34\nFavourite programming language: English.";
+$fileName = 'gabrielmoris.txt';
+file_creator($content, $fileName);
+file_reader($fileName);
+file_deleter($fileName);
+
+
+/* EXTRA DIFFICULTY (optional):
+ * Develop a sales management program that stores its data in a
+ * .txt file.
+ * - Each product is saved on a line of the file in the following way:
+ *   [product_name], [quantity_sold], [price].
+ * - Following that format, and through terminal, it should allow adding, consulting,
+ *   updating, deleting products and exiting.
+ * - It should also have options to calculate the total sale and by product.
+ * - The exit option deletes the .txt.
+ */
+
+function sales_management_system()
+{
+    echo "
+    ===== PRINTER =====
+     1.- New Document 
+     2.- Read Document
+     3.- Delete Document
+     4.- Exit
+    ==================
+     \n";
+
+    do {
+        $selection = readline("Select an option\n");
+        switch ($selection) {
+            case 1:
+                new_document();
+                break;
+            case 2:
+                read_document();
+                break;
+            case 3:
+                delete_document();
+                break;
+            case 4:
+                echo "\033c";
+                echo "Good bye 👋 🌐\n";
+                exit;
+            default:
+                echo "This option doesn't exist.\n";
+        }
+    } while (true);
+}
+
+function new_document()
+{
+    $name = readline("Write the name of the document without extenstion (.txt only):\n");
+    $content = readline("Write the content of the document without extenstion (.txt only):\n");
+    file_creator($content, $name);
+}
+
+function read_document()
+{
+    $name = readline("Write the name of the document without extenstion (.txt only):\n");
+    file_reader($name);
+}
+
+function delete_document()
+{
+    $name = readline("Write the name of the document without extenstion (.txt only):\n");
+    file_deleter($name);
+}
+
+sales_management_system();