cart + interfase + reservation + currencies

README.md

@@ -7,35 +7,35 @@ Basis for developing chat-robots with "Web App" technology for Telegram
 ### AnangoDB
 
 1. Create a Graph with the specified values
-**Name:** catalog<br>
+**Name:** catalog<br/>
-<br>
+<br/>
-**edgeDefinition:** entry<br>
+**edgeDefinition:** entry<br/>
-**fromCollections:** categoy, product<br>
+**fromCollections:** categoy, product<br/>
 **toCollections:** category
 
 2. Create a Graph with the specified values
-**Name:** sessions<br>
+**Name:** sessions<br/>
-<br>
+<br/>
-**edgeDefinition:** connect<br>
+**edgeDefinition:** connect<br/>
-**fromCollections:** account<br>
+**fromCollections:** account<br/>
 **toCollections:** session
 
 3. Create indexes for the "product" collection
-**Type:** "Inverted Index"<br>
+**Type:** "Inverted Index"<br/>
-**Fields:** name.ru<br>
+**Fields:** name.ru<br/>
-**Analyzer:** "text_ru"<br>
+**Analyzer:** "text_ru"<br/>
-**Search field:** true<br>
+**Search field:** true<br/>
-**Name:** name_ru<br>
+**Name:** name_ru<br/>
-<br>
+<br/>
-*Add indexes for all search parameters and for all languages (search language is selected based on the user's language, <br>
+*Add indexes for all search parameters and for all languages (search language is selected based on the user's language, <br/>
-otherwise from the default language specified in the active settings from **settings** collection document)*<br>
+otherwise from the default language specified in the active settings from **settings** collection document)*<br/>
-<br>
+<br/>
-*See fields in the `mirzaev/arming_bot/models/product`<br>
+*See fields in the `mirzaev/arming_bot/models/product`<br/>
 **name.ru**, **description.ru** and **compatibility.ru***
     
 4. Create a View with the specified values
-**type:** search-alias (you can also use "arangosearch")<br>
+**type:** search-alias (you can also use "arangosearch")<br/>
-**name:** **product**s_search<br>
+**name:** **product**s_search<br/>
 **indexes:**
 ```json
 "indexes": [
@@ -68,27 +68,39 @@ location ~ \.php$ {
 
 1. Execute: `sudo cp telegram-huesos.service /etc/systemd/system/telegram-huesos.service`
 
-*before you execute the command think about **what it does** and whether the **paths** are specified correctly*<br>
+*before you execute the command think about **what it does** and whether the **paths** are specified correctly*<br/>
 *the configuration file is very simple and you can remake it for any alternative to SystemD that you like*
 
 ## Settings
-Settings of chat-robot and Web App<br>
+Settings of chat-robot and Web App<br/>
-<br>
+<br/>
 Make sure you have a **settings** collection (can be created automatically) and at least one document with the "status" parameter set to "active"
 ```json
 {
-    "status": "active"
+  "status": "active",
+  "project": {
+    "name": "NAME_OF_THE_PROJECT"
+  },
+  "language": "en",
+  "currency": "usd"
 }
 ```
 
-### language
+### Language
-Language for system messages if user language could not be determined<br>
+Language for render of interface, if account or session language is not initialized<br/>
-<br>
+<br/>
-**Value:** en
+**Value:** en<br/>
+**⚠️ The value will be converted to an instance of enumeration** `mirzaev\arming_bot\models\enumerations\language`
+
+### Currency
+Currency for calculations and render of interface, if account or session currency is not initialized<br/>
+<br/>
+**Value:** usd<br/>
+**⚠️ The value will be converted to an instance of enumeration** `mirzaev\arming_bot\models\enumerations\currency`
 
 ## Suspensions
-System of suspensions of chat-robot and Web App<br>
+System of suspensions of chat-robot and Web App<br/>
-<br>
+<br/>
 Make sure you have a **suspension** collection (can be created automatically)
 ```json
 {

mirzaev/arming_bot/system/controllers/cart.php

@@ -32,22 +32,28 @@ final class cart extends core
 	];
 
 	/**
-	 * Write or delete from the cart
+	 * Product
+	 *
+	 * Write or delete the product in the cart
 	 *
 	 * @param array $parameters Parameters of the request (POST + GET)
+	 *
+	 * @todo
+	 * 1. Add a limit on adding products to the cart based on the number of products in stock
 	 */
-	public function write(array $parameters = []): ?string
+	public function product(array $parameters = []): ?string
 	{
 		if ($_SERVER['REQUEST_METHOD'] === 'POST') {
 			// POST request
 
-			// The cart contains the product?
+			// Declaring of the buffer with amount of the product in the cart
-			$status = false;
+			$amount = 0;
 
 			// Validating @todo add throwing errors
-			if (!empty($parameters['product']) && preg_match('/[\d]+/', urldecode($parameters['product']), $matches)) $product = (int) $matches[0];
+			$identifier = null;
+			if (!empty($parameters['identifier']) && preg_match('/[\d]+/', urldecode($parameters['identifier']), $matches)) $identifier = (int) $matches[0];
 
-			if (isset($product)) {
+			if (isset($identifier)) {
 				// Received and validated identfier of the product
 
 				// Search for the product
@@ -55,34 +61,98 @@ final class cart extends core
 					filter: "d.identifier == @identifier && d.deleted != true && d.hidden != true",
 					sort: 'd.created DESC',
 					amount: 1,
-					parameters: ['identifier' => $product],
+					parameters: ['identifier' => $identifier],
 					errors: $this->errors['cart']
 				);
 
 				if ($product instanceof product) {
 					// Initialized the product
 
-					// Initializing of the cart
+					// Initializing the buffer with amount of the product in the cart 
-					$cart = $this->session->cart(errors: $this->errors['cart']);
+					$amount = $this->cart->count(product: $product, limit: 100, errors: $this->errors['cart']) ?? 0;
 
-					if ($cart instanceof model) {
+					if ($this->cart instanceof model) {
 						// Initialized the cart
 
-						if (0 < $amount = $cart->has($product, errors: $this->errors['cart'])) {
+						// Validating @todo add throwing errors
-							// The cart contains the product
+						$type = null;
+						if (!empty($parameters['type']) && preg_match('/[\w]+/', urldecode($parameters['type']), $matches)) $type = $matches[0];
 
-							// temporary
+						if (isset($type)) {
-							/* $cart->disconnect($product, errors: $this->errors['cart']); */
+							// Received and validated type of action with the product
-							$cart->cancel($product, errors: $this->errors['cart']);
 
-							$status = false;
+							if ($type === 'toggle') {
+								// Write the product to the cart if is not in the cart and vice versa
+
+								if ($amount > 0) {
+									// The cart has the product
+
+									// Deleting the product from the cart
+									$this->cart->delete(product: $product, amount: $amount, errors: $this->errors['cart']);
+
+									// Reinitializing the buffer with amount of the product in the cart
+									$amount = 0;
 								} else {
-							// The cart not contains the product
+									// The cart has no the product
 
-							// temporary
+									// Writing the product to the cart
-							$cart->connect($product, errors: $this->errors['cart']);
+									$this->cart->write(product: $product, amount: 1, errors: $this->errors['cart']);
 
-							$status = true;
+									// Reinitializing the buffer with amount of the product in the cart
+									$amount = 1;
+								}
+							} else {
+								// Received not the "toggle" command
+
+								// Validating @todo add throwing errors
+								$_amount = null;
+								if (!empty($parameters['amount']) && preg_match('/[\d]+/', urldecode($parameters['amount']), $matches)) $_amount = (int) $matches[0];
+
+								if (isset($_amount)) {
+									// Received and validated amount parameter for action with the product
+
+									if ($type === 'write') {
+										// Increase amount of the product in the cart
+
+										if (101 > $amount += $_amount) {
+											// Validated amount to wrting
+
+											// Writing the product to the cart
+											$this->cart->write(product: $product, amount: $_amount, errors: $this->errors['cart']);
+										}
+									} else if ($type === 'delete') {
+										// Decrease amount of the product in the cart
+
+										if (-1 < $amount -= $_amount) {
+											// Validated amount to deleting
+
+											// Deleting the product from the cart
+											$this->cart->delete(product: $product, amount: $_amount, errors: $this->errors['cart']);
+										}
+									} else if ($type === 'set') {
+										// Set amount of the product in the cart
+
+										if ($_amount > -1 && $_amount < 101) {
+											// Validated amount to setting
+
+											if ($_amount > $amount) {
+												// Requested amount more than actual amount of the product in the cart
+
+												// Writing the product from the cart
+												$this->cart->write(product: $product, amount: $_amount - $amount, errors: $this->errors['cart']);
+											} else {
+												// Requested amount less than actual amount of the product in the cart
+
+												// Deleting the product from the cart
+												$this->cart->delete(product: $product, amount: $amount - $_amount, errors: $this->errors['cart']);
+											}
+
+											// Reinitializing the buffer with amount of the product in the cart
+											$amount = $_amount;
+										}
+									}
+								}
+							}
 						}
 					}
 				}
@@ -99,7 +169,7 @@ final class cart extends core
 			// Generating the reponse
 			echo json_encode(
 				[
-					'status' => $status ?? false,
+					'amount' => $amount, // $amount does not store a real value, but is calculated without a repeated request to ArangoDB
 					'errors' => $this->errors
 				]
 			);

mirzaev/arming_bot/system/controllers/catalog.php

@@ -53,9 +53,10 @@ final class catalog extends core
 				filter: "d.identifier == @identifier && d.deleted != true && d.hidden != true",
 				sort: 'd.created DESC',
 				amount: 1,
-				return: '{name: d.name.@language, description: d.description.@language, cost: d.cost, weight: d.weight, dimensions: d.dimensions, brand: d.brand.@language, compatibility: d.compatibility.@language, images: d.images[*].storage}',
+				return: '{name: d.name.@language, description: d.description.@language, cost: d.cost, weight: d.weight, dimensions: d.dimensions, brand: d.brand.@language, compatibility: d.compatibility.@language, cost: d.cost.@currency, images: d.images[*].storage}',
-				parameters: ['identifier' => $product],
 				language: $this->language,
+				currency: $this->currency,
+				parameters: ['identifier' => $product],
 				errors: $this->errors['catalog']
 			)[0]?->getAll() ?? null;
 		}
@@ -251,6 +252,9 @@ final class catalog extends core
 				$entries = entry::search(
 					document: $category,
 					amount: 50,
+					categories_merge: 'name: v.name.@language',
+					/* products_merge: 'DISTINCT MERGE(d, {name: d.name.@language, description: d.description.@language, compatibility: d.compatibility.@language, brand: d.brand.@language, cost: d.cost.@currency})', */
+					parameters: ['language' => $this->language->name],
 					errors: $this->errors['catalog']
 				);
 
@@ -284,7 +288,12 @@ final class catalog extends core
 			// Not received identifier of the category
 
 			// search for root ascendants categories
-			$this->view->categories = entry::ascendants(descendant: new category, errors: $this->errors['catalog']) ?? null;
+			$this->view->categories = entry::ascendants(
+				descendant: new category,
+				return: 'DISTINCT MERGE(ascendant, { name: ascendant.name.@language})',
+				parameters: ['language' => $this->language->name],
+				errors: $this->errors['catalog']
+			) ?? null;
 		}
 
 		// Search among products in the $category
@@ -307,9 +316,10 @@ final class catalog extends core
 				filter: $_filters,
 				sort: $_sort,
 				amount: 50, // @todo pagination
+				return: 'DISTINCT MERGE(d, {name: d.name.@language, description: d.description.@language, compatibility: d.compatibility.@language, brand: d.brand.@language, cost: d.cost.@currency})',
 				language: $this->language,
+				currency: $this->currency,
 				parameters: $_parameters,
-				return: 'DISTINCT MERGE(d, {name: d.name.@language, description: d.description.@language, compatibility: d.compatibility.@language})',
 				errors: $this->errors['catalog']
 			);
 		}

mirzaev/arming_bot/system/controllers/core.php

@@ -10,8 +10,10 @@ use mirzaev\arming_bot\views\templater,
 	mirzaev\arming_bot\models\account,
 	mirzaev\arming_bot\models\session,
 	mirzaev\arming_bot\models\settings,
+	mirzaev\arming_bot\models\cart,
 	mirzaev\arming_bot\models\suspension,
-	mirzaev\arming_bot\models\enumerations\language;
+	mirzaev\arming_bot\models\enumerations\language,
+	mirzaev\arming_bot\models\enumerations\currency;
 
 // Framework for PHP
 use mirzaev\minimal\controller;
@@ -37,20 +39,30 @@ class core extends controller
 	protected readonly settings $settings;
 
 	/**
-	 * Instance of a session
+	 * Instance of the session
 	 */
 	protected readonly session $session;
 
 	/**
-	 * Instance of an account
+	 * Instance of the account
 	 */
 	protected readonly ?account $account;
 
+	/**
+	 * Instance of the cart
+	 */
+	protected readonly ?cart $cart;
+
 	/**
 	 * Language
 	 */
 	protected language $language = language::en;
 
+	/**
+	 * Currency
+	 */
+	protected currency $currency = currency::usd;
+
 	/**
 	 * Registry of errors
 	 */
@@ -66,7 +78,9 @@ class core extends controller
 	 *
 	 * @return void
 	 *
-	 * @todo settings account и session не имеют проверок на возврат null
+	 * @todo 
+	 * 1. settings account и session не имеют проверок на возврат null
+	 * 2. TRANSIT EVERYTHING TO MIDDLEWARES
 	 */
 	public function __construct(bool $initialize = true)
 	{
@@ -118,15 +132,21 @@ class core extends controller
 			// Initializing of the settings
 			$this->settings = settings::active();
 
-			// Initializing of language
+			// Initializing of the language
-			if ($this->account?->language) $this->language = $this->account->language ?? language::en;
+			$this->language =  $this->account?->language ?? $this->session?->buffer['language'] ?? $this->settings?->language ?? language::en;
-			else if ($this->settings?->language) $this->language = $this->settings->language ?? language::en;
+
+			// Initializing of the currency
+			$this->currency = $this->account?->currency ?? $this->session?->buffer['currency'] ?? $this->settings?->currency ?? currency::usd;
+
+			// Initializing of the cart
+			$this->cart = $this->account?->cart() ?? $this->session?->cart();
 
 			// Initializing of preprocessor of views
 			$this->view = new templater(
 				session: $this->session,
 				account: $this->account,
-				settings: $this->settings
+				settings: $this->settings,
+				cart: $this->cart
 			);
 
 			// @todo перенести в middleware

mirzaev/arming_bot/system/models/account.php

@@ -8,10 +8,12 @@ namespace mirzaev\arming_bot\models;
 use mirzaev\arming_bot\models\core,
 	mirzaev\arming_bot\models\traits\status,
 	mirzaev\arming_bot\models\traits\buffer,
+	mirzaev\arming_bot\models\traits\cart,
 	mirzaev\arming_bot\models\traits\document as document_trait,
 	mirzaev\arming_bot\models\interfaces\document as document_interface,
 	mirzaev\arming_bot\models\interfaces\collection as collection_interface,
-	mirzaev\arming_bot\models\enumerations\language;
+	mirzaev\arming_bot\models\enumerations\language,
+	mirzaev\arming_bot\models\enumerations\currency;
 
 // Framework for ArangoDB
 use mirzaev\arangodb\collection,
@@ -36,8 +38,9 @@ use exception;
  */
 final class account extends core implements document_interface, collection_interface
 {
-	use status, document_trait, buffer {
+	use status, document_trait, buffer, cart {
 		buffer::write as write;
+		cart::initialize as cart;
 	}
 
 	/**
@@ -85,6 +88,7 @@ final class account extends core implements document_interface, collection_inter
 
 						// Abstractioning of parameters
 						if (isset($result->language)) $result->language = language::{$result->language};
+						if (isset($result->currency)) $result->currency = currency::{$result->currency};
 
 						// Writing the instance of account document from ArangoDB to the implement object
 						$account->__document($result);

mirzaev/arming_bot/system/models/cart.php

@@ -6,13 +6,27 @@ namespace mirzaev\arming_bot\models;
 
 // Files of the project
 use mirzaev\arming_bot\models\core,
+	mirzaev\arming_bot\models\reservation,
 	mirzaev\arming_bot\models\traits\document as document_trait,
 	mirzaev\arming_bot\models\interfaces\document as document_interface,
-	mirzaev\arming_bot\models\interfaces\collection as collection_interface;
+	mirzaev\arming_bot\models\interfaces\collection as collection_interface,
+	mirzaev\arming_bot\models\enumerations\language,
+	mirzaev\arming_bot\models\enumerations\currency;
+
+// Framework for ArangoDB
+use mirzaev\arangodb\collection,
+	mirzaev\arangodb\document;
+
+// Library for ArangoDB
+use ArangoDBClient\Document as _document;
+
+// Built-in libraries
+use exception;
 
 /**
  * Model of cart
  *
+ * @uses reservation
  * @package mirzaev\arming_bot\models
  *
  * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
@@ -26,4 +40,240 @@ final class cart extends core implements document_interface, collection_interfac
 	 * Name of the collection in ArangoDB
 	 */
 	final public const string COLLECTION = 'cart';
+
+	/**
+	 * Search for all products
+	 *
+	 * Search for all products in the cart
+	 *
+	 * @param language|null $language Language
+	 * @param currency|null $currency Currency
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return array|null Array with implementing objects of documents from ArangoDB, if found
+	 */
+	public function all(
+		?language $language = language::en,
+		?currency $currency = currency::usd,
+		array &$errors = []
+	): ?array {
+		try {
+			if (collection::initialize(static::COLLECTION, static::TYPE, errors: $errors)) {
+				if (collection::initialize(reservation::COLLECTION, reservation::TYPE, errors: $errors)) {
+					if (collection::initialize(product::COLLECTION, product::TYPE, errors: $errors)) {
+						// Initialized collections
+
+						// Search for all products in the cart
+						$result = @collection::execute(
+							<<<AQL
+							FOR v IN 1..1 INBOUND @cart GRAPH @graph
+								FILTER IS_SAME_COLLECTION(@collection, v._id)
+								COLLECT d = v WITH COUNT INTO amount
+								RETURN {
+									[d._id]: {
+										amount,
+										product: MERGE(d, {
+											name: d.name.@language, 
+											description: d.description.@language, 
+											compatibility: d.compatibility.@language, 
+											brand: d.brand.@language, 
+											cost: d.cost.@currency
+										})		
+									}
+								}
+							AQL,
+							[
+								'graph' => 'catalog',
+								'cart' => $this->getId(),
+								'collection' => product::COLLECTION,
+								'language' => $language->name,
+								'currency' => $currency->name
+							],
+							flat: true,
+							errors: $errors
+						);
+
+						/*
+						* МеНЯ ЭТО РАЗДРАЖАЕТ
+						*/
+
+						$products = [];
+
+						foreach ($result ?? [] as $raw) {
+							foreach ($raw as $key => $value) {
+								$products[$key] = $value;
+							}
+						}
+
+						// Exit (success)
+						return $products;
+					} else throw new exception('Failed to initialize ' . product::TYPE . ' collection: ' . product::COLLECTION);
+				} else throw new exception('Failed to initialize ' . reservation::TYPE . ' collection: ' . reservation::COLLECTION);
+			} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);
+		} catch (exception $e) {
+			// Writing to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return null;
+	}
+
+	/**
+	 * Count
+	 *
+	 * Count of the product in the cart
+	 *
+	 * @param product $product The product
+	 * @param int $limit Limit for counting
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return int|null Amount of the product in the cart, if counted
+	 */
+	public function count(product $product, int $limit = 100, array &$errors = []): ?int
+	{
+		try {
+			if (collection::initialize(static::COLLECTION, static::TYPE, errors: $errors)) {
+				if (collection::initialize(reservation::COLLECTION, reservation::TYPE, errors: $errors)) {
+					if (collection::initialize(product::COLLECTION, product::TYPE, errors: $errors)) {
+						// Initialized collections
+
+						// Search for the products in the cart and count them
+						return (int) collection::execute(
+							<<<AQL
+							FOR v IN 1..1 INBOUND @cart GRAPH @graph
+								FILTER IS_SAME_COLLECTION(@collection, v._id) && v._id == @product
+								LIMIT @limit
+								COLLECT WITH COUNT INTO length
+								RETURN length
+							AQL,
+							[
+								'graph' => 'catalog',
+								'cart' => $this->getId(),
+								'collection' => product::COLLECTION,
+								'product' => $product->getId(),
+								'limit' => $limit
+							],
+							errors: $errors
+						);
+					} else throw new exception('Failed to initialize ' . product::TYPE . ' collection: ' . product::COLLECTION);
+				} else throw new exception('Failed to initialize ' . reservation::TYPE . ' collection: ' . reservation::COLLECTION);
+			} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);
+		} catch (exception $e) {
+			// Writing to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return null;
+	}
+
+	/*
+	 * Write
+	 *
+	 * Write the product in the cart
+	 *
+	 * @param product $product The product
+	 * @param int $amount Amount of writings
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return void
+	 */
+	public function write(product $product, int $amount = 1, array &$errors = []): void
+	{
+		try {
+			if (collection::initialize(static::COLLECTION, static::TYPE, errors: $errors)) {
+				if (collection::initialize(reservation::COLLECTION, reservation::TYPE, errors: $errors)) {
+					if (collection::initialize(product::COLLECTION, product::TYPE, errors: $errors)) {
+						// Initialized collections
+
+						// Writing the product to the cart
+						collection::execute(
+							<<<AQL
+							FOR i IN 1..@amount
+								INSERT { _from: @product, _to: @cart, created: @created, updated: @created, active: true } INTO @@edge
+							AQL,
+							[
+								'cart' => $this->getId(),
+								'product' => $product->getId(),
+								'@edge' => reservation::COLLECTION,
+								'amount' => $amount,
+								'created' => time()
+							],
+							errors: $errors
+						);
+					} else throw new exception('Failed to initialize ' . product::TYPE . ' collection: ' . product::COLLECTION);
+				} else throw new exception('Failed to initialize ' . reservation::TYPE . ' collection: ' . reservation::COLLECTION);
+			} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);
+		} catch (exception $e) {
+			// Writing to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+	}
+
+	/*
+	 * Delete
+	 *
+	 * Delete the product from the cart
+	 *
+	 * @param product $product The product
+	 * @param int $amount Amount of deletings
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return void
+	 */
+	public function delete(product $product, int $amount = 1, array &$errors = []): void
+	{
+		try {
+			if (collection::initialize(static::COLLECTION, static::TYPE, errors: $errors)) {
+				if (collection::initialize(reservation::COLLECTION, reservation::TYPE, errors: $errors)) {
+					if (collection::initialize(product::COLLECTION, product::TYPE, errors: $errors)) {
+						// Initialized collections
+
+						// Deleting the product from the cart
+						collection::execute(
+							<<<AQL
+							FOR v, e IN 1..1 INBOUND @cart GRAPH @graph
+								FILTER IS_SAME_COLLECTION(@collection, v._id) && v._id == @product
+								LIMIT @amount
+								REMOVE e._key IN @@reservation
+							AQL,
+							[
+								'graph' => 'catalog',
+								'cart' => $this->getId(),
+								'collection' => product::COLLECTION,
+								'product' => $product->getId(),
+								'@reservation' => reservation::COLLECTION,
+								'amount' => $amount
+							],
+							errors: $errors
+						);
+					} else throw new exception('Failed to initialize ' . product::TYPE . ' collection: ' . product::COLLECTION);
+				} else throw new exception('Failed to initialize ' . reservation::TYPE . ' collection: ' . reservation::COLLECTION);
+			} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);
+		} catch (exception $e) {
+			// Writing to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+	}
 }

mirzaev/arming_bot/system/models/catalog.php

@@ -11,6 +11,7 @@ use mirzaev\arming_bot\models\core,
 	mirzaev\arming_bot\models\entry,
 	mirzaev\arming_bot\models\traits\files,
 	mirzaev\arming_bot\models\enumerations\language,
+	mirzaev\arming_bot\models\enumerations\currency,
 	mirzaev\arming_bot\models\traits\yandex\disk as yandex;
 
 // Framework for ArangoDB
@@ -77,6 +78,7 @@ final class catalog extends core
 		int &$products_old = 0,
 		int &$products_new = 0,
 		language $language = language::en,
+		currency $currency = currency::usd,
 		array &$errors = []
 	): void {
 		try {
@@ -314,7 +316,7 @@ final class catalog extends core
 								(int) $row['identifier'],
 								[$language->name => $row['name']],
 								[$language->name => $row['description']],
-								(float) $row['cost'],
+								[$currency->name => (float) $row['cost']],
 								(float) $row['weight'],
 								['x' => $row['x'], 'y' => $row['y'], 'z' => $row['z']],
 								[$language->name => $row['brand']],

mirzaev/arming_bot/system/models/core.php

@@ -113,8 +113,8 @@ class core extends model
 					errors: $errors
 				);
 
-				if ($result instanceof _document) {
+				if ($amount === 1 && $result instanceof _document) {
-					// Received only 1 document and 
+					// Received only 1 document and @todo rebuild 
 
 					// Initializing the object
 					$object = new static;

mirzaev/arming_bot/system/models/entry.php

@@ -91,38 +91,47 @@ final class entry extends core implements document_interface, collection_interfa
 	}
 
 	/**
-	 * Find ascendants
+	 * Ascendants
 	 *
-	 * Find ascendants that are not descendants for anyone
+	 * Search for ascendants that are not descendants for anyone
 	 *
 	 * @param category|product $descendant Descendant document
+	 * @param string|null $return Return (AQL)
+	 * @param array $parameters Binded parameters for placeholders ['placeholder' => parameter]
 	 * @param array &$errors Registry of errors
 	 *
 	 * @return array|null Ascendants that are not descendants for anyone, if found
 	 */
 	public static function ascendants(
 		category|product $descendant,
+		?string $return = 'DISTINCT ascendant',
+		array $parameters = [],
 		array &$errors = []
 	): ?array {
 		try {
 			if (collection::initialize(static::COLLECTION, static::TYPE, errors: $errors)) {
 				// Initialized the collection
-				if ($ascendants = collection::execute(
+					
+			// Search for ascendants
+				if ($result = collection::execute(
+					sprintf(
 						<<<'AQL'
 						FOR d IN @@collection
 							FOR ascendant IN OUTBOUND d @@edge
-							RETURN DISTINCT ascendant
+								RETURN %s
 						AQL,
+						empty($return) ? 'DISTINCT ascendant' : $return
+					),
 					[
 						'@collection' => $descendant::COLLECTION,
 						'@edge' => static::COLLECTION
-					],
+					] + $parameters,
 					errors: $errors
 				)) {
 					// Found ascendants
 
 					// Exit (success)
-					return is_array($ascendants) ? $ascendants : [$ascendants];
+					return is_array($result) ? $result : [$result];
 				} else return [];
 			} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);
 		} catch (exception $e) {
@@ -211,6 +220,9 @@ final class entry extends core implements document_interface, collection_interfa
 	 * @param string|null $sort Expression for sorting (AQL)
 	 * @param int $page Страница
 	 * @param int $amount Количество товаров на странице
+	 * @param string|null $categories_merge Expression with paremeters to return for categories (AQL)
+	 * @param string|null $products_merge Expression with paremeters to return for products (AQL)
+	 * @param array $parameters Binded parameters for placeholders ['placeholder' => parameter]
 	 * @param array &$errors Registry of errors
 	 *
 	 * @return array Массив с найденными вхождениями (может быть пустым)
@@ -221,6 +233,9 @@ final class entry extends core implements document_interface, collection_interfa
 		?string $sort = 'v.position ASC, v.created DESC',
 		int $page = 1,
 		int $amount = 100,
+		?string $categories_merge = null,
+		?string $products_merge = null,
+		array $parameters = [],
 		array &$errors = []
 	): array {
 		try {
@@ -236,18 +251,21 @@ final class entry extends core implements document_interface, collection_interfa
 								%s
 								%s
 								LIMIT @offset, @amount
-								LET _type = (FOR v2 IN INBOUND v._id GRAPH @graph RETURN v2)[0] ? "category" : "product"
+								RETURN DISTINCT IS_SAME_COLLECTION(@category, v._id) ? MERGE(v, {_type: @category%s}) : MERGE(v, {_type: @product%s})
-								RETURN MERGE(v, {_type})
 							AQL,
 							empty($filter) ? '' : "FILTER $filter",
 							empty($sort) ? '' : "SORT $sort",
+							empty($categories_merge) ? '' : ", $categories_merge",
+							empty($products_merge) ? '' : ", $products_merge"
 						),
 						[
+							'category' => category::COLLECTION,
+							'product' => product::COLLECTION,
 							'graph' => 'catalog',
 							'document' => $document->getId(),
 							'offset' => --$page <= 0 ? $page = 0 : $page * $amount,
 							'amount' => $amount
-						],
+						] + $parameters,
 						errors: $errors
 					)) ? $result : [$result];
 				} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);

mirzaev/arming_bot/system/models/enumerations/currency.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace mirzaev\arming_bot\models\enumerations;
+
+// Files of the project
+use	mirzaev\arming_bot\models\enumerations\language;
+
+/**
+ * Types of currencies by ISO 4217 standart
+ *
+ * @package mirzaev\arming_bot\models\enumerations
+ *
+ * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
+ * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
+ */
+enum currency
+{
+	case usd;
+	case rub;
+
+	/**
+   * Label
+   *
+	 * Initialize label of the currency
+	 *
+	 * @param language|null $language Language into which to translate
+	 *
+	 * @return string Translated label of the currency
+	 *
+	 * @todo
+	 * 1. More currencies
+	 * 2. Cases???
+	 */
+	public function label(?language $language = language::en): string
+	{
+		// Exit (success)
+		return match ($this) {
+			currency::usd => match ($language) {
+				language::en => 'Dollar',
+				language::ru => 'Доллар'
+			},
+			currency::rub => match ($language) {
+				language::en => 'Ruble',
+				language::ru => 'Рубль'
+			}
+		};
+	}
+
+	/**
+	 * Symbol
+   *
+	 * Initialize symbol of the currency
+	 *
+	 * @return string Symbol of the currency
+	 *
+	 * @todo
+	 * 1. More currencies
+	 */
+	public function symbol(): string
+	{
+		// Exit (success)
+		return match ($this) {
+			currency::usd => '$',
+			currency::rub => '₽' 
+		};
+	}
+}

mirzaev/arming_bot/system/models/enumerations/language.php

@@ -5,7 +5,7 @@ declare(strict_types=1);
 namespace mirzaev\arming_bot\models\enumerations;
 
 /**
- * Types of human languages
+ * Types of languages by ISO 639-1 standart
  *
  * @package mirzaev\arming_bot\models\enumerations
  *
@@ -18,17 +18,19 @@ enum language
 	case ru;
 
 	/**
-	 * Translate label of language
+   * Label
+   *
+	 * Initialize label of the language
 	 *
 	 * @param language|null $language Language into which to translate
 	 *
-	 * @return string Translated label of language
+	 * @return string Translated label of the language
    *
 	 * @todo
 	 * 1. More languages
 	 * 2. Cases???
 	 */
-	public function translate(?language $language = language::en): string
+	public function label(?language $language = language::en): string
 	{
 		// Exit (success)
 		return match ($this) {

mirzaev/arming_bot/system/models/product.php

@@ -6,10 +6,11 @@ namespace mirzaev\arming_bot\models;
 
 // Files of the project
 use mirzaev\arming_bot\models\core,
-	mirzaev\arming_bot\models\enumerations\language,
 	mirzaev\arming_bot\models\traits\document as document_trait,
 	mirzaev\arming_bot\models\interfaces\document as document_interface,
-	mirzaev\arming_bot\models\interfaces\collection as collection_interface;
+	mirzaev\arming_bot\models\interfaces\collection as collection_interface,
+	mirzaev\arming_bot\models\enumerations\language,
+	mirzaev\arming_bot\models\enumerations\currency;
 
 // Framework for ArangoDB
 use mirzaev\arangodb\collection,
@@ -63,7 +64,7 @@ final class product extends core implements document_interface, collection_inter
 		int $identifier,
 		array $name = [['en' => 'ERROR']],
 		?array $description = [['en' => 'ERROR']],
-		float $cost = 0,
+		array $cost = [['usd' => 0]],
 		float $weight = 0,
 		array $dimensions = ['x' => 0, 'y' => 0, 'z' => 0],
 		?array $brand = [['en' => 'ERROR']],
@@ -123,11 +124,14 @@ final class product extends core implements document_interface, collection_inter
 	 * @param int $page Page
 	 * @param int $amount Amount per page
 	 * @param string|null $return Return (AQL)
-	 * @param language|null $language Language code (en, ru...)
+	 * @param language|null $language Language
+	 * @param currency|null $currency Currency
 	 * @param array $parameters Binded parameters for placeholders ['placeholder' => parameter]
 	 * @param array &$errors Registry of errors
 	 *
 	 * @return array|static Found products or instance of the product from ArangoDB (can be empty)
+   *
+   * @todo убрать language и currency
 	 */
 	public static function read(
 		?string $search = null,
@@ -137,6 +141,7 @@ final class product extends core implements document_interface, collection_inter
 		int $amount = 100,
 		?string $return = 'DISTINCT d',
 		?language $language = null,
+		?currency $currency = null,
 		array $parameters = [],
 		array &$errors = []
 	): array|static {
@@ -147,6 +152,9 @@ final class product extends core implements document_interface, collection_inter
 				// Initializing of the language parameter
 				if ($language instanceof language) $parameters['language'] = $language->name;
 
+				// Initializing of the currency parameter
+				if ($currency instanceof currency) $parameters['currency'] = $currency->name;
+
 				// Initializing parameters for search
 				if ($search) $parameters += [
 					'search' => $search,
@@ -196,8 +204,8 @@ final class product extends core implements document_interface, collection_inter
 					errors: $errors
 				);
 
-				if ($result instanceof _document) {
+				if ($amount === 1 && $result instanceof _document) {
-					// Found product
+					// Found product @todo need to rebuild this
 
 					// Initializing the object
 					$product = new static;
@@ -214,7 +222,7 @@ final class product extends core implements document_interface, collection_inter
 				}
 
 				// Exit (success)
-				return $result ?? [];
+				return is_array($result) ? $result : [$result];
 			} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);
 		} catch (exception $e) {
 			// Writing to the registry of errors

mirzaev/arming_bot/system/models/reservation.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace mirzaev\arming_bot\models;
+
+// Files of the project
+use mirzaev\arming_bot\models\core,
+	mirzaev\arming_bot\models\cart,
+	mirzaev\arming_bot\models\traits\document as document_trait,
+	mirzaev\arming_bot\models\interfaces\document as document_interface,
+	mirzaev\arming_bot\models\interfaces\collection as collection_interface;
+
+// Framework for ArangoDB
+use mirzaev\arangodb\enumerations\collection\type;
+
+/**
+ * Model of reservtion
+ *
+ * @used-by cart
+ * @package mirzaev\arming_bot\models
+ *
+ * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
+ * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
+ */
+final class reservation extends core implements document_interface, collection_interface
+{
+	use document_trait;
+
+	/**
+	 * Name of the collection in ArangoDB
+	 */
+	final public const string COLLECTION = 'reservation';
+
+	/**
+	 * Type of the collection in ArangoDB
+	 */
+	public const type TYPE = type::edge;
+}

mirzaev/arming_bot/system/models/session.php

@@ -7,20 +7,21 @@ namespace mirzaev\arming_bot\models;
 // Files of the project
 use mirzaev\arming_bot\models\account,
 	mirzaev\arming_bot\models\connect,
-	mirzaev\arming_bot\models\cart,
 	mirzaev\arming_bot\models\enumerations\session as verification,
 	mirzaev\arming_bot\models\traits\status,
 	mirzaev\arming_bot\models\traits\buffer,
+	mirzaev\arming_bot\models\traits\cart,
 	mirzaev\arming_bot\models\traits\document as document_trait,
 	mirzaev\arming_bot\models\interfaces\document as document_interface,
 	mirzaev\arming_bot\models\interfaces\collection as collection_interface,
-	mirzaev\arming_bot\models\enumerations\language;
+	mirzaev\arming_bot\models\enumerations\language,
+	mirzaev\arming_bot\models\enumerations\currency;
 
 // Framework for ArangoDB
 use mirzaev\arangodb\collection,
 	mirzaev\arangodb\document;
 
-// Library для ArangoDB
+// Library for ArangoDB
 use ArangoDBClient\Document as _document;
 
 // Built-in libraries
@@ -36,8 +37,9 @@ use exception;
  */
 final class session extends core implements document_interface, collection_interface
 {
-	use status, document_trait, buffer {
+	use status, document_trait, buffer, cart {
 		buffer::write as write;
+		cart::initialize as cart;
 	}
 
 	/**
@@ -149,13 +151,15 @@ final class session extends core implements document_interface, collection_inter
 						// Search for connected account
 						$result = collection::execute(
 							<<<AQL
-							FOR v IN INBOUND @session GRAPH sessions
+							FOR v IN INBOUND @session GRAPH @graph
-								FILTER IS_SAME_COLLECTION(account, v._id)
+								FILTER IS_SAME_COLLECTION(@collection, v._id)
 								SORT v.created DESC
 								LIMIT 1
 								RETURN v  
 							AQL,
 							[
+								'graph' => 'users',
+								'collection' => account::COLLECTION,
 								'session' => $this->getId()
 							],
 							errors: $errors
@@ -172,6 +176,7 @@ final class session extends core implements document_interface, collection_inter
 
 								// Abstractioning of parameters
 								if (isset($result->language)) $result->language = language::{$result->language};
+								if (isset($result->currency)) $result->currency = currency::{$result->currency};
 
 								// Writing the instance of account document from ArangoDB to the implement object
 								$account->__document($result);
@@ -197,114 +202,6 @@ final class session extends core implements document_interface, collection_inter
 		return null;
 	}
 
-	/**
-	 * Search for a connected cart
-	 *
-	 * @param array &$errors Registry of errors
-	 *
-	 * @return cart|null An object implements the instance of the cart document from ArangoDB, if found
-	 */
-	public function cart(array &$errors = []): ?cart
-	{
-		try {
-			if (collection::initialize(static::COLLECTION, static::TYPE, errors: $errors)) {
-				if (collection::initialize(connect::COLLECTION, connect::TYPE, errors: $errors)) {
-					if (collection::initialize(cart::COLLECTION, cart::TYPE, errors: $errors)) {
-						// Initialized collections
-
-						// Search for connected cart
-						$result = collection::execute(
-							<<<AQL
-							FOR v IN INBOUND @session GRAPH sessions
-								FILTER IS_SAME_COLLECTION(cart, v._id) && v.active == true && v.ordered != true
-								SORT v.updated DESC, v.created DESC
-								LIMIT 1
-								RETURN v  
-							AQL,
-							[
-								'session' => $this->getId()
-							],
-							errors: $errors
-						);
-
-						if ($result instanceof _document) {
-							// Found the cart
-
-							// Initializing the object
-							$cart = new cart;
-
-							if (method_exists($cart, '__document')) {
-								// Object can implement a document from ArangoDB
-
-								// Writing the instance of cart document from ArangoDB to the implement object
-								$cart->__document($result);
-
-								// Exit (success)
-								return $cart;
-							}
-						} else {
-							// Not found the cart
-
-							// Initializing a new cart and write they into ArangoDB
-							$_id = document::write(
-								cart::COLLECTION,
-								[
-									'active' => true,
-								]
-							);
-
-							if ($result = collection::execute(
-								<<<'AQL'
-								FOR d IN @@collection
-									FILTER d._id == @_id && d.active == true
-									RETURN d
-								AQL,
-								[
-									'@collection' => cart::COLLECTION,
-									'_id' => $_id
-								],
-								errors: $errors
-							)) {
-								// Found the instance of just created new cart
-
-								// Initializing the object
-								$cart = new cart;
-
-								if (method_exists($cart, '__document')) {
-									// Object can implement a document from ArangoDB
-
-									// Writing the instance of cart document from ArangoDB to the implement object
-									$cart->__document($result);
-
-									// Connecting the cart to the session
-									$connected = $this->connect($cart, $errors);
-
-									if ($connected) {
-										// The cart has been connected to the session
-
-										// Exit (success)
-										return $cart;
-									} else throw new exception('Failed to connect the cart to the session');
-								} else throw new exception('Class ' . cart::class . ' does not implement a document from ArangoDB');
-							} else throw new exception('Failed to create or find just created session');
-						}
-					} else throw new exception('Failed to initialize ' . cart::TYPE . ' collection: ' . cart::COLLECTION);
-				} else throw new exception('Failed to initialize ' . connect::TYPE . ' collection: ' . connect::COLLECTION);
-			} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);
-		} catch (exception $e) {
-			// Writing to the registry of errors
-			$errors[] = [
-				'text' => $e->getMessage(),
-				'file' => $e->getFile(),
-				'line' => $e->getLine(),
-				'stack' => $e->getTrace()
-			];
-		}
-
-		// Exit (fail)
-		return null;
-	}
-
 	/**
 	 * Search by hash
 	 *

mirzaev/arming_bot/system/models/settings.php

@@ -9,7 +9,8 @@ use mirzaev\arming_bot\models\core,
 	mirzaev\arming_bot\models\traits\document as document_trait,
 	mirzaev\arming_bot\models\interfaces\document as document_interface,
 	mirzaev\arming_bot\models\interfaces\collection as collection_interface,
-	mirzaev\arming_bot\models\enumerations\language;
+	mirzaev\arming_bot\models\enumerations\language,
+	mirzaev\arming_bot\models\enumerations\currency;
 
 // Framework for ArangoDB
 use mirzaev\arangodb\collection,
@@ -78,6 +79,7 @@ final class settings extends core implements document_interface, collection_inte
 
 						// Abstractioning of parameters
 						if (isset($result->language)) $result->language = language::{$result->language};
+						if (isset($result->currency)) $result->currency = currency::{$result->currency};
 
 						// Writing the instance of settings document from ArangoDB to the implement object
 						$settings->__document($result);

mirzaev/arming_bot/system/models/traits/buffer.php

@@ -18,13 +18,14 @@ use mirzaev\arangodb\collection,
 use exception;
 
 /**
- * Trait for buffer
+ * Buffer
  *
- * @uses collection_interface
+ * Storage of data in the document from ArangoDB
  *
  * @param static COLLECTION Name of the collection in ArangoDB
  * @param static TYPE Type of the collection in ArangoDB
  *
+ * @uses collection_interface
  * @package mirzaev\arming_bot\models\traits
  *
  * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
@@ -33,12 +34,12 @@ use exception;
 trait buffer
 {
 	/**
-	 * Write to buffer of the session
+	 * Write to buffer of the document
 	 *
 	 * @param array $data Data for writing (merge)
 	 * @param array &$errors Registry of errors
 	 *
-	 * @return bool Is data has written into the session document from ArangoDB?
+	 * @return bool Is data has written into the document from ArangoDB?
 	 */
 	public function write(array $data, array &$errors = []): bool
 	{
@@ -46,10 +47,10 @@ trait buffer
 			if (collection::initialize(static::COLLECTION, static::TYPE, errors: $errors)) {
 				// Initialized the collection
 
-				// The instance of the session document from ArangoDB is initialized?
+				// The instance of the document from ArangoDB is initialized?
 				isset($this->document) || throw new exception('The instance of the sessoin document from ArangoDB is not initialized');
 
-				// Writing data into buffer of the instance of the session document from ArangoDB
+				// Writing data into buffer of the instance of the document from ArangoDB
 				$this->document->buffer = array_replace_recursive($this->document->buffer ?? [], $data);
 
 				// Writing to ArangoDB and exit (success)

mirzaev/arming_bot/system/models/traits/cart.php

@@ -0,0 +1,151 @@
+<?php
+
+declare(strict_types=1);
+
+namespace mirzaev\arming_bot\models\traits;
+
+// Files of the project
+use mirzaev\arming_bot\models\interfaces\collection as collection_interface,
+	mirzaev\arming_bot\models\interfaces\document as document_interface,
+	mirzaev\arming_bot\models\traits\document as document_trait,
+	mirzaev\arming_bot\models\connect,
+	mirzaev\arming_bot\models\cart as model;
+
+// Library для ArangoDB
+use ArangoDBClient\Document as _document;
+
+// Framework for ArangoDB
+use mirzaev\arangodb\collection,
+	mirzaev\arangodb\document;
+
+// Built-in libraries
+use exception;
+
+/**
+ * Cart
+ *
+ * Cart for a document from ArangoDB
+ *
+ * @uses collection_interface
+ * @uses document_interface
+ * @package mirzaev\arming_bot\models\traits
+ *
+ * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
+ * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
+ */
+trait cart
+{
+	use document_trait;
+
+	/**
+	 * Cart
+	 *
+	 * Search for a connected cart
+	 *
+	 * @param array &$errors Registry of errors
+	 *
+	 * @return model|null An object implements the instance of the cart document from ArangoDB, if found
+	 */
+	public function initialize(array &$errors = []): ?model
+	{
+		try {
+			if (collection::initialize(static::COLLECTION, static::TYPE, errors: $errors)) {
+				if (collection::initialize(connect::COLLECTION, connect::TYPE, errors: $errors)) {
+					if (collection::initialize(model::COLLECTION, model::TYPE, errors: $errors)) {
+						// Initialized collections
+
+						// Search for connected cart
+						$result = collection::execute(
+							<<<AQL
+							FOR v IN 1..1 INBOUND @document GRAPH @graph
+								FILTER IS_SAME_COLLECTION(@cart, v._id) && v.active == true && v.ordered != true
+								SORT v.updated DESC, v.created DESC
+								LIMIT 1
+								RETURN v  
+							AQL,
+							[
+								'cart' => model::COLLECTION,
+								'graph' => 'users',
+								'document' => $this->document->getId()
+							],
+							errors: $errors
+						);
+
+						if ($result instanceof _document) {
+							// Found the cart
+
+							// Initializing the object
+							$cart = new model;
+
+							if (method_exists($cart, '__document')) {
+								// Object can implement a document from ArangoDB
+
+								// Writing the instance of cart document from ArangoDB to the implement object
+								$cart->__document($result);
+
+								// Exit (success)
+								return $cart;
+							}
+						} else {
+							// Not found the cart
+
+							// Initializing a new cart and write they into ArangoDB
+							$_id = document::write(
+								model::COLLECTION,
+								[
+									'active' => true,
+								]
+							);
+
+							if ($result = collection::execute(
+								<<<'AQL'
+								FOR d IN @@collection
+									FILTER d._id == @_id && d.active == true
+									RETURN d
+								AQL,
+								[
+									'@collection' => model::COLLECTION,
+									'_id' => $_id
+								],
+								errors: $errors
+							)) {
+								// Found the instance of just created new cart
+
+								// Initializing the object
+								$cart = new model;
+
+								if (method_exists($cart, '__document')) {
+									// Object can implement a document from ArangoDB
+
+									// Writing the instance of cart document from ArangoDB to the implement object
+									$cart->__document($result);
+
+									// Connecting the cart to the document
+									$connected = $this->connect($cart, $errors);
+
+									if ($connected) {
+										// The cart has been connected to the document
+
+										// Exit (success)
+										return $cart;
+									} else throw new exception('Failed to connect the ' . model::class . ' to the ' . static::class);
+								} else throw new exception('Class ' . model::class . ' does not implement a document from ArangoDB');
+							} else throw new exception('Failed to create or find just created ' . static::class);
+						}
+					} else throw new exception('Failed to initialize ' . model::TYPE . ' collection: ' . model::COLLECTION);
+				} else throw new exception('Failed to initialize ' . connect::TYPE . ' collection: ' . connect::COLLECTION);
+			} else throw new exception('Failed to initialize ' . static::TYPE . ' collection: ' . static::COLLECTION);
+		} catch (exception $e) {
+			// Writing to the registry of errors
+			$errors[] = [
+				'text' => $e->getMessage(),
+				'file' => $e->getFile(),
+				'line' => $e->getLine(),
+				'stack' => $e->getTrace()
+			];
+		}
+
+		// Exit (fail)
+		return null;
+	}
+}

mirzaev/arming_bot/system/models/traits/document.php

@@ -23,10 +23,9 @@ use exception;
 /**
  * Trait for implementing a document instance from ArangoDB
  *
- * @uses document_interface
- *
  * @var protected readonly _document|null $document An instance of the ArangoDB document
  *
+ * @uses document_interface
  * @package mirzaev\arming_bot\models\traits
  *
  * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License

mirzaev/arming_bot/system/public/index.php

@@ -41,7 +41,8 @@ $router
 	->write('/', 'catalog', 'index', 'GET')
 	->write('/', 'catalog', 'index', 'POST')
 	->write('/cart', 'cart', 'index', 'GET')
-	->write('/cart/write', 'cart', 'write', 'POST')
+	->write('/cart', 'cart', 'index', 'POST')
+	->write('/cart/product', 'cart', 'product', 'POST')
 	->write('/account/write', 'account', 'write', 'POST')
 	->write('/session/write', 'session', 'write', 'POST')
 	->write('/session/connect/telegram', 'session', 'telegram', 'POST')

mirzaev/arming_bot/system/public/js/cart.js

@@ -35,7 +35,9 @@ import("/js/core.js").then(() =>
 				 */
 				core.cart = class cart {
 					/**
-					 * Write or delete product from the cart  (interface)
+					 * Toggle
+					 *
+					 * Toggle the product in the cart (interface)
 					 *
 					 * @param {HTMLElement} button Button of the product <a>
 					 * @param {bool} force Ignore the damper? (false)
@@ -54,7 +56,9 @@ import("/js/core.js").then(() =>
 					}
 
 					/**
-					 * Write or delete product from the cart (damper)
+					 * Toggle
+					 *
+					 * Toggle the product in the cart (damper)
 					 *
 					 * @param {HTMLElement} button Button of the product <a>
 					 * @param {bool} force Ignore the damper? (false)
@@ -63,12 +67,14 @@ import("/js/core.js").then(() =>
 					 */
 					static toggle_damper = core.damper(
 						(...variables) => this.toggle_system(...variables),
-						800,
+						300,
-						1,
+						2,
 					);
 
 					/**
-					 * Write or delete product from the cart (system)
+					 * Toggle
+					 *
+					 * Toggle the product in the cart (system)
 					 *
 					 * @param {HTMLElement} button Button of the product <a>
 					 *
@@ -80,15 +86,23 @@ import("/js/core.js").then(() =>
 						if (button instanceof HTMLElement) {
 							// Validated
 
+							// Initializing of the wrap of buttons
+							const wrap = button.parentElement;
+
+							// Initializing of the product
+							const product = wrap.parentElement;
+
 							// Initializing of identifier of the product
-							const identifier = button.getAttribute("data-product-identifier");
+							const identifier = product.getAttribute(
+								"data-product-identifier",
+							);
 
 							if (typeof identifier === "string" && identifier.length > 0) {
 								// Validated identifier
 
 								return await core.request(
-									"/cart/write",
+									"/cart/product",
-									`product=${identifier}`,
+									`identifier=${identifier}&type=toggle`,
 								)
 									.then((json) => {
 										if (
@@ -103,16 +117,388 @@ import("/js/core.js").then(() =>
 											// Unblocking the button
 											button.removeAttribute("disabled");
 
-											if (json.status) {
+											// Writing offset of hue-rotate to indicate that the product is in the cart
-												// The product in the cart
+											wrap.style.setProperty(
+												"--hue-rotate-offset",
+												json.amount + '0deg',
+											);
 
-												// Writing style of added to the cart button
+											// Writing attribute with amount of the product in the cart
-												button.classList.add("cart");
+											product.setAttribute(
+												"data-product-amount",
+												json.amount,
+											);
+
+											// Initializing the amount <span> element
+											const amount = wrap.querySelector(
+												'span[data-product-button-text="amount"]',
+											);
+
+											if (amount instanceof HTMLElement) {
+												// Initialized the amount <span> element
+
+												// Writing amount of the product in the cart
+												amount.innerText = json.amount;
+											}
+										}
+									});
+							}
+						}
+					}
+
+					/**
+					 * Write
+					 *
+					 * Write the product in the cart (interface)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of writings
+					 * @param {bool} force Ignore the damper? (false)
+					 *
+					 * @return {bool} True if an error occurs to continue the event execution
+					 */
+					static write(button, amount = 1, force = false) {
+						// Blocking the button
+						button.setAttribute("disabled", "true");
+
+						// Execute under damper
+						this.write_damper(button, amount, force);
+
+						// Exit (success)
+						return false;
+					}
+
+					/**
+					 * Write
+					 *
+					 * Write the product in the cart (damper)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of writings
+					 * @param {bool} force Ignore the damper? (false)
+					 *
+					 * @return {void}
+					 */
+					static write_damper = core.damper(
+						(...variables) => this.write_system(...variables),
+						300,
+						3,
+					);
+
+					/**
+					 * Write
+					 *
+					 * Write the product in the cart (system)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of writings
+					 *
+					 * @return {Promise} Request to the server
+					 *
+					 * @todo add unblocking button by timer + everywhere
+					 */
+					static async write_system(button, amount = 1) {
+						if (
+							button instanceof HTMLElement &&
+							typeof amount === "number" &&
+							amount > -1 &&
+							amount < 100
+						) {
+							// Validated
+
+							// Initializing of the wrap of buttons
+							const wrap = button.parentElement;
+
+							// Initializing of the product
+							const product = wrap.parentElement;
+
+							// Initializing of identifier of the product
+							const identifier = product.getAttribute(
+								"data-product-identifier",
+							);
+
+							if (typeof identifier === "string" && identifier.length > 0) {
+								// Validated identifier
+
+								return await core.request(
+									"/cart/product",
+									`identifier=${identifier}&type=write&amount=${amount}`,
+								)
+									.then((json) => {
+										if (
+											json.errors !== null &&
+											typeof json.errors === "object" &&
+											json.errors.length > 0
+										) {
+											// Fail (received errors)
 										} else {
-												// The product is not in the cart
+											// Success (not received errors)
 
-												// Deleting style of added to the cart button
+											// Unblocking the button
-												button.classList.remove("cart");
+											button.removeAttribute("disabled");
+
+											// Writing offset of hue-rotate to indicate that the product is in the cart
+											wrap.style.setProperty(
+												"--hue-rotate-offset",
+												json.amount + '0deg',
+											);
+
+											// Writing attribute with amount of the product in the cart
+											product.setAttribute(
+												"data-product-amount",
+												json.amount,
+											);
+
+											// Initializing the amount <span> element
+											const amount = wrap.querySelector(
+												'span[data-product-button-text="amount"]',
+											);
+
+											if (amount instanceof HTMLElement) {
+												// Initialized the amount <span> element
+
+												// Writing amount of the product in the cart
+												amount.innerText = json.amount;
+											}
+										}
+									});
+							}
+						}
+					}
+
+					/**
+					 * Delete
+					 *
+					 * Delete the product from the cart (interface)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of deletings
+					 * @param {bool} force Ignore the damper? (false)
+					 *
+					 * @return {bool} True if an error occurs to continue the event execution
+					 */
+					static delete(button, amount = 1, force = false) {
+						// Blocking the button
+						button.setAttribute("disabled", "true");
+
+						// Execute under damper
+						this.delete_damper(button, amount, force);
+
+						// Exit (success)
+						return false;
+					}
+
+					/**
+					 * Delete
+					 *
+					 * Delete the product from the cart (damper)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of deletings
+					 * @param {bool} force Ignore the damper? (false)
+					 *
+					 * @return {void}
+					 */
+					static delete_damper = core.damper(
+						(...variables) => this.delete_system(...variables),
+						300,
+						3,
+					);
+
+					/**
+					 * Delete
+					 *
+					 * Delete the product from the cart (system)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of deletings
+					 *
+					 * @return {Promise} Request to the server
+					 *
+					 * @todo add unblocking button by timer + everywhere
+					 */
+					static async delete_system(button, amount = 1) {
+						if (
+							button instanceof HTMLElement &&
+							typeof amount === "number" &&
+							amount > 0 &&
+							amount < 101
+						) {
+							// Validated
+
+							// Initializing of the wrap of buttons
+							const wrap = button.parentElement;
+
+							// Initializing of the product
+							const product = wrap.parentElement;
+
+							// Initializing of identifier of the product
+							const identifier = product.getAttribute(
+								"data-product-identifier",
+							);
+
+							if (typeof identifier === "string" && identifier.length > 0) {
+								// Validated identifier
+
+								return await core.request(
+									"/cart/product",
+									`identifier=${identifier}&type=delete&amount=${amount}`,
+								)
+									.then((json) => {
+										if (
+											json.errors !== null &&
+											typeof json.errors === "object" &&
+											json.errors.length > 0
+										) {
+											// Fail (received errors)
+										} else {
+											// Success (not received errors)
+
+											// Unblocking the button
+											button.removeAttribute("disabled");
+
+											// Writing offset of hue-rotate to indicate that the product is in the cart
+											wrap.style.setProperty(
+												"--hue-rotate-offset",
+												json.amount + '0deg',
+											);
+
+											// Writing attribute with amount of the product in the cart
+											product.setAttribute(
+												"data-product-amount",
+												json.amount,
+											);
+
+											// Initializing the amount <span> element
+											const amount = wrap.querySelector(
+												'span[data-product-button-text="amount"]',
+											);
+
+											if (amount instanceof HTMLElement) {
+												// Initialized the amount <span> element
+
+												// Writing amount of the product in the cart
+												amount.innerText = json.amount;
+											}
+										}
+									});
+							}
+						}
+					}
+
+					/**
+					 * Set
+					 *
+					 * Set amount of the product in the cart (interface)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of the product in the cart to be setted
+					 * @param {bool} force Ignore the damper? (false)
+					 *
+					 * @return {bool} True if an error occurs to continue the event execution
+					 */
+					static set(button, amount = 1, force = false) {
+						// Blocking the button
+						button.setAttribute("disabled", "true");
+
+						// Execute under damper
+						this.set_damper(button, amount, force);
+
+						// Exit (success)
+						return false;
+					}
+
+					/**
+					 * Set
+					 *
+					 * Set the product in the cart (damper)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of the product in the cart to be setted
+					 * @param {bool} force Ignore the damper? (false)
+					 *
+					 * @return {void}
+					 */
+					static set_damper = core.damper(
+						(...variables) => this.set_system(...variables),
+						300,
+						3,
+					);
+
+					/**
+					 * Set
+					 *
+					 * Set the product in the cart (system)
+					 *
+					 * @param {HTMLElement} button Button of the product <a>
+					 * @param {number} amount Amount of the product in the cart to be setted
+					 *
+					 * @return {Promise} Request to the server
+					 *
+					 * @todo add unblocking button by timer + everywhere
+					 */
+					static async set_system(button, amount = 1) {
+						if (
+							button instanceof HTMLElement &&
+							typeof amount === "number" &&
+							amount > -1 &&
+							amount < 101
+						) {
+							// Validated
+
+							// Initializing of the wrap of buttons
+							const wrap = button.parentElement;
+
+							// Initializing of the product
+							const product = wrap.parentElement;
+
+							// Initializing of identifier of the product
+							const identifier = product.getAttribute(
+								"data-product-identifier",
+							);
+
+							if (typeof identifier === "string" && identifier.length > 0) {
+								// Validated identifier
+
+								return await core.request(
+									"/cart/product",
+									`identifier=${identifier}&type=set&amount=${amount}`,
+								)
+									.then((json) => {
+										if (
+											json.errors !== null &&
+											typeof json.errors === "object" &&
+											json.errors.length > 0
+										) {
+											// Fail (received errors)
+										} else {
+											// Success (not received errors)
+
+											// Unblocking the button
+											button.removeAttribute("disabled");
+
+											// Writing offset of hue-rotate to indicate that the product is in the cart
+											wrap.style.setProperty(
+												"--hue-rotate-offset",
+												json.amount + '0deg',
+											);
+
+											// Writing attribute with amount of the product in the cart
+											product.setAttribute(
+												"data-product-amount",
+												json.amount,
+											);
+
+											// Initializing the amount <span> element
+											const amount = wrap.querySelector(
+												'span[data-product-button-text="amount"]',
+											);
+
+											if (amount instanceof HTMLElement) {
+												// Initialized the amount <span> element
+
+												// Writing amount of the product in the cart
+												amount.innerText = json.amount;
 											}
 										}
 									});

mirzaev/arming_bot/system/public/themes/default/css/catalog.css

@@ -137,17 +137,44 @@ main>section#products>div.column>article.product>a>p.title {
 	background-color: var(--tg-theme-secondary-bg-color);
 }
 
-main>section#products>div.column>article.product>button.cart {
+main>section#products>div.column>article.product>div[data-product="buttons"]:last-of-type {
-	filter: hue-rotate(120deg);
-}
-
-main>section#products>div.column>article.product>button:last-of-type {
 	z-index: 100;
 	height: 33px;
 	display: flex;
 	justify-content: center;
 	align-items: center;
-	cursor: pointer;
+}
-	color: var(--tg-theme-button-text-color);
+
-	background-color: var(--tg-theme-button-color);
+main>section#products>div.column>article.product[data-product-amount]:not(:is([data-product-amount="0"], [data-product-amount="1"]))>div[data-product="buttons"]:last-of-type {
+	container-type: inline-size;
+	container-name: product-buttons;
+}
+
+main>section#products>div.column>article.product>div[data-product="buttons"]>button[data-product-button="toggle"] {
+	padding: 0;
+	flex-grow: 1;
+}
+
+main>section#products>div.column>article.product:is([data-product-amount="0"], [data-product-amount="1"])>div[data-product="buttons"]>button[data-product-button="toggle"]>span[data-product-button-text="amount"],
+main>section#products>div.column>article.product[data-product-amount="0"]>div[data-product="buttons"]>button:is([data-product-button="write"], [data-product-button="delete"]) {
+	display: none;
+}
+
+main>section#products>div.column>article.product>div[data-product="buttons"]>button[data-product-button="toggle"]>span[data-product-button-text="amount"]:after {
+	content: '*';
+	margin: 0 0.2rem;
+}
+
+main>section#products>div.column>article.product[data-product-amount]:not([data-product-amount="0"])>div[data-product="buttons"] {
+	filter: hue-rotate(calc(120deg + var(--hue-rotate-offset, 0deg)));
+}
+
+@container product-buttons (max-width: 200px) {
+	main>section#products>div.column>article.product>div[data-product="buttons"]>button[data-product-button="toggle"]>span:is([data-product-button-text="cost"], [data-product-button-text="currency"]) {
+		display: none;
+	}
+
+	main>section#products>div.column>article.product>div[data-product="buttons"]>button[data-product-button="toggle"]>span[data-product-button-text="amount"]:after {
+		content: unset;
+	}
 }

mirzaev/arming_bot/system/public/themes/default/css/icons/minus.css

@@ -0,0 +1,12 @@
+@charset "UTF-8";
+
+i.icon.minus {
+  box-sizing: border-box;
+  position: relative;
+  display: block;
+  width: 16px;
+  height: 2px;
+  background: currentColor;
+  border-radius: 10px;
+}
+

mirzaev/arming_bot/system/public/themes/default/css/icons/plus.css

@@ -0,0 +1,24 @@
+@charset "UTF-8";
+
+i.icon.plus,
+i.icon.plus::after {
+  display: block;
+  box-sizing: border-box;
+  background: currentColor;
+  border-radius: 10px;
+}
+i.icon.plus {
+  margin-top: -2px;
+  position: relative;
+  width: 16px;
+  height: 2px;
+}
+i.icon.plus::after {
+  content: "";
+  position: absolute;
+  width: 2px;
+  height: 16px;
+  top: -7px;
+  left: 7px;
+}
+

mirzaev/arming_bot/system/public/themes/default/css/main.css

@@ -129,7 +129,7 @@ search:has(input:disabled) {
 	backdrop-filter: contrast(0.5);
 }
 
-*[type="button"] {
+button, *[type="button"] {
 	cursor: pointer;
 }
 
@@ -144,6 +144,8 @@ search:has(input:disabled) {
 
 button {
 	height: 33px;
+	color: var(--tg-theme-button-text-color);
+	background-color: var(--tg-theme-button-color);
 }
 
 a[type="button"] {

mirzaev/arming_bot/system/views/templater.php

@@ -7,7 +7,10 @@ namespace mirzaev\arming_bot\views;
 // Files of the project
 use mirzaev\arming_bot\models\session,
 	mirzaev\arming_bot\models\account,
-	mirzaev\arming_bot\models\settings;
+	mirzaev\arming_bot\models\settings,
+	mirzaev\arming_bot\models\cart,
+	mirzaev\arming_bot\models\enumerations\language,
+	mirzaev\arming_bot\models\enumerations\currency;
 
 // Framework for PHP
 use mirzaev\minimal\controller;
@@ -46,28 +49,35 @@ final class templater extends controller implements ArrayAccess
 	 *
 	 * @param session|null $session The object implementing a session instance from ArangoDB
 	 * @param account|null $account The object implementing an account instance from ArangoDB
-	 * @param settings|null $settings The object implementing an account instance from ArangoDB
+	 * @param settings|null $settings The object implementing a settings instance from ArangoDB
+	 * @param cart|null $cart The object implementing a cart instance from ArangoDB
 	 *
 	 * @return void
 	 */
 	public function __construct(
 		?session $session = null,
 		?account $account = null,
-		?settings $settings = null
+		?settings $settings = null,
+		?cart $cart = null
 	) {
-		// Initializing of an instance of twig
+		// Initializing an instance of twig
 		$this->twig = new twig(new FilesystemLoader(VIEWS));
 
-		// Initializing of global variables
+		// Declaring buffers for initializinf global variables
+		$language = $currency = null;
+
+		// Initializing global variables
 		$this->twig->addGlobal('theme', 'default');
 		$this->twig->addGlobal('server', $_SERVER);
 		$this->twig->addGlobal('cookies', $_COOKIE);
 		$this->twig->addGlobal('settings', $settings);
 		if (!empty($session?->status())) $this->twig->addGlobal('session', $session);
 		if (!empty($account?->status())) $this->twig->addGlobal('account', $account);
-		$this->twig->addGlobal('language', $account?->language->name ?? $settings?->language->name ?? 'en');
+		$this->twig->addGlobal('language', $language = $account?->language ?? $session?->buffer['language'] ?? $settings?->language ?? language::en);
+		$this->twig->addGlobal('currency', $currency = $account?->currency ?? $session?->buffer['currency'] ?? $settings?->currency ?? currency::usd);
+		$this->twig->addGlobal('cart', $cart->all(language: $language, currency: $currency));
 
-		// Initialize function of dimensions formattinx
+		// Initialize function of dimensions formatting
 		$this->twig->addFunction(
 			new TwigFunction(
 				'format_dimensions',

mirzaev/arming_bot/system/views/themes/default/catalog/elements/categories.html

@@ -6,9 +6,9 @@
 		onkeydown="event.keyCode === 13 && (core.catalog.parameters.set('category', {{ category.identifier }}), core.catalog.search(event))"
 		tabindex="3">
 		{% if category.images %}
-		<img src="{{ category.images.0.storage }}" alt="{{ category.name[language] }}" ondrugstart="return false;">
+		<img src="{{ category.images.0.storage }}" alt="{{ category.name }}" ondrugstart="return false;">
 		{% endif %}
-		<p>{{ category.name[language] }}</p>
+		<p>{{ category.name }}</p>
 	</a>
 	{% endfor %}
 </section>

mirzaev/arming_bot/system/views/themes/default/catalog/elements/filters.html

@@ -4,11 +4,11 @@
 		{% set buffer_brand = account.buffer.catalog.filters.brand ?? session.buffer.catalog.filters.brand %}
 		<input name="brand" type="radio" id="brand_title" {% if buffer_brand is empty %} checked{% endif %}>
 		<label for="brand_title" type="button" onclick="core.catalog.parameters.set('brand', null); core.catalog.search(event)">
-			{{ language == 'ru' ? 'Бренд' : 'Brand' }}
+			{{ language.name == 'ru' ? 'Бренд' : 'Brand' }}
 		</label>
 		<input name="brand" type="radio" id="brand_all">
 		<label for="brand_all" type="button" onclick="core.catalog.parameters.set('brand', null); core.catalog.search(event)">
-			{{ language == 'ru' ? 'Все бренды' : 'All brands' }}
+			{{ language.name == 'ru' ? 'Все бренды' : 'All brands' }}
 		</label>
 		{% for brand in filters.brands %}
 		<input name="brand" type="radio" id="brand_{{ loop.index }}" {% if brand == buffer_brand %} checked{% endif %}>

mirzaev/arming_bot/system/views/themes/default/catalog/elements/products.html

@@ -1,19 +1,25 @@
 {% macro card(product) %}
-{% set title = product.name[language] ~ ' ' ~ product.brand[language] ~ format_dimensions(product.dimensions.x,
+{% set title = product.name ~ ' ' ~ product.brand ~ format_dimensions(product.dimensions.x,
 product.dimensions.y, product.dimensions.z, ' ') ~ ' ' ~ product.weight ~ 'г' %}
-<article id="{{ product.getId() }}" class="product unselectable">
+{% set amount = cart[product.getId()].amount ?? 0 %}
-	<a data-product-identifier="{{ product.identifier }}" href="?product={{ product.identifier }}"
+<article id="{{ product.getId() }}" class="product unselectable" data-product-identifier="{{ product.identifier }}"
-		onclick="return core.catalog.product(this);" onkeydown="event.keyCode === 13 && core.catalog.product(this)"
+	data-product-amount="{{ amount }}">
-		tabindex="10">
+	<a data-product="cover" href="?product={{ product.identifier }}" onclick="return core.catalog.product(this);"
-		<img src="{{ product.images.0.storage }}" alt="{{ product.name[language] }}" ondrugstart="return false;">
+		onkeydown="event.keyCode === 13 && core.catalog.product(this)" tabindex="10">
-		<p class="title" title="{{ product.name[language] }}">
+		<img src="{{ product.images.0.storage }}" alt="{{ product.name }}" ondrugstart="return false;">
+		<p class="title" title="{{ product.name }}">
 			{{ title | length > 45 ? title | slice(0, 45) ~ '...' : title }}
 		</p>
 	</a>
-	<button title="Добавить в корзину" onclick="core.cart.toggle(this)" data-product-identifier="{{ product.identifier }}"
+	<div data-product="buttons"{% if amount > 0 %} style="--hue-rotate-offset: {{ amount }}0deg;"{% endif %}>
-		data-product-cost="{{ product.cost }}" tabindex="15">
+		<button data-product-button="delete" onclick="core.cart.delete(this, 1)"><i class="icon minus"></i></button>
-		{{ product.cost }}р
+		<button data-product-button="toggle" onclick="core.cart.toggle(this)" tabindex="15">
+			<span data-product-button-text="amount">{{ amount }}</span>
+			<span data-product-button-text="cost">{{ product.cost }}</span>
+			<span data-product-button-text="currency">{{ currency.symbol }}</span>
 		</button>
+		<button data-product-button="write" onclick="core.cart.write(this, 1)"><i class="icon plus"></i></button>
+	</div>
 </article>
 {% endmacro %}
 {% if products is not empty %}

mirzaev/arming_bot/system/views/themes/default/catalog/elements/search.html

@@ -1,7 +1,7 @@
 <search id="search">
 	<label class="unselectable"><i class="icon search"></i></label>
 	{% set buffer_search = account.buffer.catalog.search.text ?? session.buffer.catalog.search.text %}
-	<input placeholder="Поиск по каталогу" type="search" tabindex="1"
+	<input placeholder="{{ language.name == 'ru' ? 'Поиск по каталогу' : 'Search in the catalog' }}" type="search" tabindex="1"
 		onkeyup="event.keyCode === 9 || core.catalog.parameters.set('text', this.value); core.catalog.search(event, this)"
 		{% if buffer_search is not empty %} value="{{ buffer_search }}" {% endif %} />
 </search>

mirzaev/arming_bot/system/views/themes/default/catalog/page.html

@@ -7,6 +7,8 @@
 <link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/search.css" />
 <link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/shopping_cart.css" />
 <link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/close.css" />
+<link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/plus.css" />
+<link type="text/css" rel="stylesheet" href="/themes/{{ theme }}/css/icons/minus.css" />
 {% endblock %}
 
 {% block main %}