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recently_visited.php
_><_  1+<?php
   2+/*
   3+  $Id: $
   4+  osCommerce, Open Source E-Commerce Solutions
   5+  http://www.oscommerce.com
   6+
   7+  Copyright (c) 2005 osCommerce
   8+
   9+  Released under the GNU General Public License
   10+*/
   11+
   12+  class osC_RecentlyVisited {
   13+    var $visits = array();
   14+
   15+/* Class constructor */
   16+
   17+    function osC_RecentlyVisited() {
   18+      if (isset($_SESSION['osC_RecentlyVisited_data']) === false) {
   19+        $_SESSION['osC_RecentlyVisited_data'] = array();
   20+      }
   21+
   22+      $this->visits =& $_SESSION['osC_RecentlyVisited_data'];
   23+    }
   24+
   25+    function initialize() {
   26+      global $osC_Product, $osC_Category, $osC_Search;
   27+
   28+      if (SERVICE_RECENTLY_VISITED_SHOW_PRODUCTS == 'True') {
   29+        if (isset($osC_Product) && is_a($osC_Product, 'osC_Product')) {
   30+          $this->setProduct($osC_Product->getID());
   31+        }
   32+      }
   33+
   34+      if (SERVICE_RECENTLY_VISITED_SHOW_CATEGORIES == 'True') {
   35+        if (isset($osC_Category) && is_a($osC_Category, 'osC_Category')) {
   36+          $this->setCategory($osC_Category->getID());
   37+        }
   38+      }
   39+
   40+      if (SERVICE_RECENTLY_VISITED_SHOW_SEARCHES == 'True') {
   41+        if (isset($osC_Search) && is_a($osC_Search, 'osC_Search')) {
   42+          if ($osC_Search->hasKeywords()) {
   43+            $this->setSearchQuery($osC_Search->getKeywords());
   44+          }
   45+        }
   46+      }
   47+    }
   48+
   49+    function setProduct($id) {
   50+      if (isset($this->visits['products'])) {
   51+        foreach ($this->visits['products'] as $key => $value) {
   52+          if ($value['id'] == $id) {
   53+            unset($this->visits['products'][$key]);
   54+            break;
   55+          }
   56+        }
   57+
   58+        if (sizeof($this->visits['products']) > (SERVICE_RECENTLY_VISITED_MAX_PRODUCTS * 2)) {
   59+          array_pop($this->visits['products']);
   60+        }
   61+      } else {
   62+        $this->visits['products'] = array();
   63+      }
   64+
   65+      array_unshift($this->visits['products'], array('id' => $id));
   66+    }
   67+
   68+    function setCategory($id) {
   69+      if (isset($this->visits['categories'])) {
   70+        foreach ($this->visits['categories'] as $key => $value) {
   71+          if ($value['id'] == $id) {
   72+            unset($this->visits['categories'][$key]);
   73+            break;
   74+          }
   75+        }
   76+
   77+        if (sizeof($this->visits['categories']) > (SERVICE_RECENTLY_VISITED_MAX_CATEGORIES * 2)) {
   78+          array_pop($this->visits['categories']);
   79+        }
   80+      } else {
   81+        $this->visits['categories'] = array();
   82+      }
   83+
   84+      array_unshift($this->visits['categories'], array('id' => $id));
   85+    }
   86+
   87+    function setSearchQuery($keywords) {
   88+      global $osC_Search;
   89+
   90+      if (isset($this->visits['searches'])) {
   91+        foreach ($this->visits['searches'] as $key => $value) {
   92+          if ($value['keywords'] == $keywords) {
   93+            unset($this->visits['searches'][$key]);
   94+            break;
   95+          }
   96+        }
   97+
   98+        if (sizeof($this->visits['searches']) > (SERVICE_RECENTLY_VISITED_MAX_SEARCHES * 2)) {
   99+          array_pop($this->visits['searches']);
   100+        }
   101+      } else {
   102+        $this->visits['searches'] = array();
   103+      }
   104+
   105+      array_unshift($this->visits['searches'], array('keywords' => $keywords,
   106+                                                     'results' => $osC_Search->getNumberOfResults()
   107+                                                    ));
   108+    }
   109+
   110+    function hasHistory() {
   111+      if ($this->hasProducts() || $this->hasCategories() || $this->hasSearches()) {
   112+        return true;
   113+      }
   114+
   115+      return false;
   116+    }
   117+
   118+    function hasProducts() {
   119+      if (isset($this->visits['products']) && (empty($this->visits['products']) === false)) {
   120+        return true;
   121+      }
   122+
   123+      return false;
   124+    }
   125+
   126+    function getProducts() {
   127+      $history = array();
   128+
   129+      if (isset($this->visits['products']) && (empty($this->visits['products']) === false)) {
   130+        $counter = 0;
   131+
   132+        foreach ($this->visits['products'] as $k => $v) {
   133+          $counter++;
   134+
   135+          $osC_Product = new osC_Product($v['id']);
   136+          $osC_Category = new osC_Category($osC_Product->getCategoryID());
   137+
   138+          $history[] = array('name' => $osC_Product->getTitle(),
   139+                             'id' => $osC_Product->getID(),
   140+                             'keyword' => $osC_Product->getKeyword(),
   141+                             'price' => (SERVICE_RECENTLY_VISITED_SHOW_PRODUCT_PRICES == 'True') ? $osC_Product->getPriceFormated(true) : '',
   142+                             'image' => $osC_Product->getImage(),
   143+                             'category_name' =>  $osC_Category->getTitle(),
   144+                             'category_path' => $osC_Category->getPath()
   145+                            );
   146+
   147+          if ($counter == SERVICE_RECENTLY_VISITED_MAX_PRODUCTS) {
   148+            break;
   149+          }
   150+        }
   151+      }
   152+
   153+      return $history;
   154+    }
   155+
   156+    function hasCategories() {
   157+      if (isset($this->visits['categories']) && (empty($this->visits['categories']) === false)) {
   158+        return true;
   159+      }
   160+
   161+      return false;
   162+    }
   163+
   164+    function getCategories() {
   165+      $history = array();
   166+
   167+      if (isset($this->visits['categories']) && (empty($this->visits['categories']) === false)) {
   168+        $counter = 0;
   169+
   170+        foreach ($this->visits['categories'] as $k => $v) {
   171+          $counter++;
   172+
   173+          $osC_Category = new osC_Category($v['id']);
   174+
   175+          if ($osC_Category->hasParent()) {
   176+            $osC_CategoryParent = new osC_Category($osC_Category->getParent());
   177+          }
   178+
   179+          $history[]  = array('id' => $osC_Category->getID(),
   180+                              'name' => $osC_Category->getTitle(),
   181+                              'path' => $osC_Category->getPath(),
   182+                              'image' => $osC_Category->getImage(),
   183+                              'parent_name' => ($osC_Category->hasParent()) ? $osC_CategoryParent->getTitle() : '',
   184+                              'parent_id' => ($osC_Category->hasParent()) ? $osC_CategoryParent->getID() : ''
   185+                             );
   186+
   187+          if ($counter == SERVICE_RECENTLY_VISITED_MAX_CATEGORIES) {
   188+            break;
   189+          }
   190+        }
   191+      }
   192+
   193+      return $history;
   194+    }
   195+
   196+    function hasSearches() {
   197+      if (isset($this->visits['searches']) && (empty($this->visits['searches']) === false)) {
   198+        return true;
   199+      }
   200+
   201+      return false;
   202+    }
   203+
   204+    function getSearches() {
   205+      $history = array();
   206+
   207+      if (isset($this->visits['searches']) && (empty($this->visits['searches']) === false)) {
   208+        $counter = 0;
   209+
   210+        foreach ($this->visits['searches'] as $k => $v) {
   211+          $counter++;
   212+
   213+          $history[]  = array('keywords' => $this->visits['searches'][$k]['keywords'],
   214+                              'results' => $this->visits['searches'][$k]['results']
   215+                             );
   216+
   217+          if ($counter == SERVICE_RECENTLY_VISITED_MAX_SEARCHES) {
   218+            break;
   219+          }
   220+        }
   221+      }
   222+
   223+      return $history;
   224+    }
   225+  }
   226+?>