Create the API and management

scripts/API.js

@@ -0,0 +1,95 @@
+// Import modules
+var URLManage = require(`./database/URLs`).URLManage;
+var Messaging = require(`./utilities/messaging`).Messaging;
+const bodyParser = require('body-parser');
+
+class ShortenAPI {
+    /*
+        Paths used by this API. 
+    */
+    #paths = {
+        "create": ["/api/shorturl"],
+        "access": ["/:ID", "/api/shorturl/:ID"]
+    }
+    
+    /*
+        Create the URL shortener parser API. 
+
+		@param {Express} INSTANCE - The Express instance
+    */
+    constructor (INSTANCE) {
+        this[`instance`] = INSTANCE;
+        this[`instance`].use(bodyParser.json());
+        this[`instance`].use(bodyParser.urlencoded({extended: true}));
+
+        this[`management`] = new URLManage;
+
+        this.prepareRedirect();
+        this.startCreation();
+    }
+
+    /*
+        Redirect from the short link. 
+    */
+    prepareRedirect() {
+        const findRedirect = (REQUEST, RESPONSE) => {
+            const redirectBrowser = (URL) => {
+                return((URL) ? RESPONSE.redirect(URL) : null);
+            }
+
+            try {
+                ((Object.keys(REQUEST.params).length)
+                    ? REQUEST.params.ID 
+                    : false) ? 
+                    this[`management`].open(REQUEST.params.ID, redirectBrowser)
+                    : false;
+            } catch(ERR) {
+                Messaging.exception(RESPONSE, ERR);
+            }
+        };
+
+        
+        this.#paths[`access`].forEach((PATH) => {
+            this[`instance`].get(PATH, findRedirect)
+            console.log(`Redirection ready on ${PATH}.`);
+        });
+    }
+
+    /*
+        Enable receiving requests. 
+    */
+    startCreation() {
+        const redirect = (REQUEST, RESPONSE) => {
+            try {
+                let QUERY = {};
+                if ((REQUEST.body) ? Object.keys(REQUEST.body).length : false) {
+                    QUERY = REQUEST.body;
+                } else if ((REQUEST.query) ? Object.keys(REQUEST.query).length : false) {
+                    QUERY = REQUEST.query;
+                }
+
+                let RESULT = {};
+                RESULT[`original_url`] = QUERY[`url`];
+    
+
+                const sendRedirect = (HASH) => {
+                    RESULT[`short_url`] = HASH;
+                    RESPONSE.json(RESULT);
+                }
+
+                this[`management`].create(RESULT[`original_url`], sendRedirect);
+            } catch(ERR) {
+                Messaging.exception(RESPONSE, ERR);
+            };
+        };
+        
+        [`get`, `post`].forEach((METHOD) => {
+            this.#paths[`create`].forEach((PATH) => {
+                this[`instance`][METHOD](PATH, redirect);
+                console.log(`Creation ready on ${PATH} for method ${METHOD}.`)
+            });
+        })
+    }
+}
+
+module.exports = {ShortenAPI};