Module6 task1

.gitignore

@@ -9,3 +9,6 @@ Thumbs.db
 vendor
 uploads/*
 !uploads/.gitkeep
+tools/info.php
+tools/adminer.php
+config/db.php

config/db.php.example

@@ -0,0 +1,8 @@
+<?php
+
+$db = [
+    'host' => 'localhost',
+    'user' => '',
+    'password' => '',
+    'database' => 'yeticave'
+];

functions/changers.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Translate price to a beautiful view and add the mark rub
+ *
+ * @param array $item Array of concrete item which contains price
+ *
+ * @return string Update price
+ */
+function changeFormatPrice(array $item)
+{
+    $showPrice = $item['first_price'];
+    if (!empty($item['price'])) {
+        $showPrice = $item['price'];
+    }
+    return number_format(ceil($showPrice), 0, '', ' ') . ' ₽';
+}
+
+/**
+ * Count how much time exist before expiry date of this item
+ *
+ * @param array $item Array of concrete item which contains this date
+ *
+ * @return int how much time exist
+ */
+function countLeftTime(array $item)
+{
+    $diffToday = strtotime($item['expiry_date']) - time();
+    $leftHours = floor($diffToday / 3600);
+    $leftMinutes = floor(($diffToday - $leftHours * 3600) / 60);
+    return $leftHours . ':' . $leftMinutes;
+}
+
+/**
+ * Count min bet for current item
+ *
+ * @param array $item array of current item
+ *
+ * @return int min bet for current item
+ */
+function countMinBet(array $item)
+{
+    $currentPrice = $item['first_price'];
+    if (!empty($item['price'])) {
+        $currentPrice = $item['price'];
+    }
+    $minBet = $currentPrice + $item['step_bet'];
+    return number_format(ceil($minBet), 0, '', ' ') . ' ₽';
+}

functions/statings.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Show so close expiry date from current moment
+ *
+ * @param array $item Array of concrete item which contains this date
+ *
+ * @return bool true when there is 1 hour left before the expiry date
+ * and false when there is more than 1 hour left before
+ */
+function isExpired($item)
+{
+    if ((strtotime($item['expiry_date']) - strtotime(date('Y-m-d'))) <= 3600) {
+        return true;
+    }
+    return false;
+}
+
+/**
+ * Show exist the result of mysqli_query or we have a mistake
+ *
+ * @param mysqli $result response from our database to our request
+ *
+ * @return array from DB
+ */
+function isExistResult($result)
+{
+    if (!$result) {
+        exit('Ошибка запроса');
+    }
+    return mysqli_fetch_all($result, MYSQLI_ASSOC);
+}
+
+/**
+ * Show error if $itemId is empty or doesn't exist in the item table
+ *
+ * @param array $selectedItem the item which is selected by request ID,
+ * if $itemId is not exist $selectedItem will be null
+ *
+ * @return string|null about error with code 404
+ */
+function showErrorItemId($selectedItem)
+{
+    if (!$selectedItem) {
+        http_response_code(404);
+        return 'Ошибка 404. Страница, которую Вы ищете, не может быть найдена';
+    }
+    return null;
+}

functions/toMySQL.php

@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * Take the newest and opened items
+ *
+ * @param mysqli $connect DB with an items table
+ *
+ * @return array of new and opened items
+ */
+function newItems(mysqli $connect)
+{
+    $takeNewItems = "SELECT i.id, i.name, first_price, image, DATE_FORMAT(expiry_date, '%d.%m.%Y') "
+                    . "as expiry_date, c.name as category, MAX(price) as price, COUNT(price) as amount_bets "
+                    . "FROM items i "
+                    . "LEFT JOIN bets b ON b.item_id = i.id "
+                    . "JOIN categories c ON i.category_id = c.id "
+                    . "WHERE expiry_date > CURRENT_TIMESTAMP "
+                    . "GROUP BY i.id "
+                    . "ORDER BY expiry_date DESC";
+    $newItems = mysqli_query($connect, $takeNewItems);
+    return isExistResult($newItems);
+}
+
+/**
+ * Take the current categories
+ *
+ * @param mysqli $connect DB with a categories table
+ *
+ * @return array of current categories
+ */
+function currentCategories(mysqli $connect)
+{
+    $takeCurrentCategories = "SELECT * FROM categories";
+    $currentCategories = mysqli_query($connect, $takeCurrentCategories);
+    return isExistResult($currentCategories);
+}
+
+/**
+ * Take a selected item by user to look at details
+ *
+ * @param mysqli $connect DB with an items table
+ * @param int $itemId ID of selected item
+ *
+ * @return array of selected item
+ */
+function selectedItem(mysqli $connect, $itemId)
+{
+    if (!empty($itemId)) {
+        $takeSelectedItem = "SELECT i.id, i.name, first_price, image, DATE_FORMAT(expiry_date, '%d.%m.%Y') "
+                        . "as expiry_date, c.name as category, MAX(price) as price, step_bet, description "
+                        . "FROM items i "
+                        . "LEFT JOIN bets b ON b.item_id = i.id "
+                        . "JOIN categories c ON i.category_id = c.id "
+                        . "WHERE i.id = $itemId "
+                        . "GROUP BY i.id ";
+        $selectedItem = mysqli_query($connect, $takeSelectedItem);
+        return isExistResult($selectedItem);
+    }
+    return null;
+}

index.php

@@ -1,70 +1,19 @@
 <?php
 
-require_once 'myfunction.php';
-require_once 'helpers.php';
+require_once 'functions/changers.php';
+require_once 'functions/helpers.php';
+require_once 'functions/statings.php';
+require_once 'functions/toMySQL.php';
 require_once 'init.php';
 
-$is_auth = rand(0, 1);
-$user_name = 'Olga'; // укажите здесь ваше имя
-$categories = [
-    'boards' =>'Доски и лыжи',
-    'attachment' => 'Крепления',
-    'boots' => 'Ботинки',
-    'clothing' => 'Одежда',
-    'tools' => 'Инструменты',
-    'other' => 'Разное'
-];
-
-$items = [
-    [
-        'name' => '2014 Rossignol District Snowboard',
-        'category' => $categories['boards'],
-        'price' => 10999,
-        'url_image' => 'img/lot-1.jpg',
-        'expiry_date' => '2022-05-22'
-    ],
-    [
-        'name' => 'DC Ply Mens 2016/2017 Snowboard',
-        'category' => $categories['boards'],
-        'price' => 159999,
-        'url_image' => 'img/lot-2.jpg',
-        'expiry_date' => '2022-05-23'
-    ],
-    [
-        'name' => 'Крепления Union Contact Pro 2015 года размер L/XL',
-        'category' => $categories['attachment'],
-        'price' => 8000,
-        'url_image' => 'img/lot-3.jpg',
-        'expiry_date' => '2022-05-24'
-    ],
-    [
-        'name' => 'Ботинки для сноуборда DC Mutiny Charocal',
-        'category' => $categories['boots'],
-        'price' => 10999,
-        'url_image' => 'img/lot-4.jpg',
-        'expiry_date' => '2022-05-25'
-    ],
-    [
-        'name' => 'Куртка для сноуборда DC Mutiny Charocal',
-        'category' => $categories['clothing'],
-        'price' => 7500,
-        'url_image' => 'img/lot-5.jpg',
-        'expiry_date' => '2022-05-26'
-    ],
-    [
-        'name' => 'Маска Oakley Canopy',
-        'category' => $categories['other'],
-        'price' => 5400,
-        'url_image' => 'img/lot-6.jpg',
-        'expiry_date' => '2022-05-27'
-    ]
-];
+$currentCategories = currentCategories($connect);
+$newItems = newItems($connect);
 
 $page_content = include_template(
     'main.php',
     [
-        'categories' => $categories,
-        'items' => $items
+        'categories' => $currentCategories,
+        'items' => $newItems
     ]
 );
 
@@ -75,10 +24,8 @@
         'is_auth' => $is_auth,
         'user_name' => $user_name,
         'content' => $page_content,
-        'categories' => $categories
+        'categories' => $currentCategories
     ]
 );
 
 print ($layout_content);
-
-?>

init.php

@@ -1,3 +1,15 @@
 <?php
 
+require_once 'config/db.php';
 date_default_timezone_set('Europe/Moscow');
+$is_auth = rand(0, 1);
+$user_name = 'Olga';
+
+$connect = mysqli_connect($db['host'], $db['user'], $db['password'], $db['database']);
+mysqli_set_charset($connect, 'utf8');
+
+if (!$connect) {
+    $dbError = mysqli_connect_error();
+    $page_content = 'Ошибка подключения: ' . $dbError;
+};
+

lot.php

@@ -0,0 +1,37 @@
+<?php
+
+require_once 'functions/changers.php';
+require_once 'functions/helpers.php';
+require_once 'functions/statings.php';
+require_once 'functions/toMySQL.php';
+require_once 'init.php';
+
+$itemId = filter_input(INPUT_GET, 'itemId', FILTER_SANITIZE_NUMBER_INT);
+$selectedItem = selectedItem($connect, $itemId);
+$currentCategories = currentCategories($connect);
+
+$page_content = showErrorItemId($selectedItem);
+$title = showErrorItemId($selectedItem);
+if (empty($page_content)) {
+    $title = $selectedItem[0]['name'];
+    $page_content = include_template(
+        'lot.php',
+        [
+            'categories' => $currentCategories,
+            'item' => $selectedItem[0]
+        ]
+    );
+}
+
+$layout_content = include_template(
+    'layout.php',
+    [
+        'title' => $title,
+        'is_auth' => $is_auth,
+        'user_name' => $user_name,
+        'content' => $page_content,
+        'categories' => $currentCategories
+    ]
+);
+
+print ($layout_content);