add product saving feature

Require attachment prior to saving

scripts/product.js

@@ -3,25 +3,86 @@ Ask product information to Google Gemini. */
 
 // Import the storage management module.
 const secretariat = await import(chrome.runtime.getURL("scripts/secretariat.js"));
+const texts = (await import(chrome.runtime.getURL("scripts/read.js"))).default;
 
 // Don't forget to set the class as export default.
-class product {
+export default class product {
+	// Create private variables for explicit use for the storage. 
+	#snip; 
+	#options; 
+
 	/* Initialize a new product with its details.
 
 	@param {object} details the product details
+	@param {object} URL the URL
+	@param {object} options the options
 	*/
-	constructor (details) {
+	constructor (details, URL = window.location.href, options) {
+		if (!(typeof(options).includes(`obj`) && !Array.isArray(options) && options != null)) {
+			options = {};
+		}
+
+		/* Remove uneeded data or formatting from the URL and the data. */
+		let clean = (URL) => {
+			// Remove the protocol from the URL. 
+			return(URL.replace(/(^\w+:|^)\/\//, ``).split(`?`));
+		}
+
+		// Compare a digested data to its intended storage location. 
+		function compare(URL, DATA) {
+			let RESULT = secretariat.read([`sites`, URL]).then((DATA_STORED) => {
+				if (DATA_STORED) {
+					return (DATA_STORED == digest(DATA, options));
+				};
+			});
+
+			return(RESULT);
 		}; 
 
-	/* Get the product information.
-
-	@param {object} options the options
-	@returns {object} the analysis
-	*/
-	analyze(options) {
-		const gemini = (await import('./AI/gemini.js')).default;
-		let analyzer = new gemini ((typeof(options).includes(`obj`) && !Array.isArray(options) && options != null) ? options[`API Key`] : await secretariat.read([`settings`,`analysis`,`api`,`key`], 1), `gemini-pro`);
 		
 
+		// Set this product's details as part of the object's properties. 
+		this.URL = clean(URL);
+		this.details = details;
+
+		// Set private variables.
+		this.#options = options;
+	};
+
+	/* Attach the product data to the storage. */
+	async attach() {
+		// First get the hash of this data. 
+		const digest = async (DATA, OPTIONS) => {
+			DATA = {"raw": DATA};
+			DATA[`hashed`] = await(crypto.subtle.digest(((OPTIONS != null && typeof(OPTIONS).includes(`obj`) && !Array.isArray(OPTIONS)) ? OPTIONS[`digestion`] : false) ? OPTIONS[`digestion`] : "SHA-512", (new TextEncoder()).encode(DATA[`raw`])));
+			return (DATA[`hashed`]);	
+		};
+
+		
+		// Compare. 
+		const compare = async(URL, digest) => {
+			let RESULT = await secretariat.read([`sites`, URL, `data`]);
+			
+			return ((RESULT) ? (RESULT == digest) : false);
+		};
+		
+		
+		// Add the data digest. 
+		this.#snip = digest(this.details, this.#options);
+		
+		// Add the status about this data. 
+		this.status = {};
+		this.status[`update`] = !compare(this.URL, this.#snip);
 	}
+	
+	async save() {
+		// Stop when not attached (basically, not entirely initialized). 
+		if (!this.#snip) {throw new ReferenceError(texts.localized(`error_msg_notattached`))};
+
+		// Save the data to the storage.
+		secretariat.write([`sites`, this.URL, `data`], this.#snip);
+
+		// Write the analysis data to the storage. 
+		(this[`analysis`]) ? secretariat.write([`sites`, this.URL, `analysis`], this.analysis): false;
+	};
 };