280 lines
12 KiB
PHP
280 lines
12 KiB
PHP
<?php
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class Rating
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{
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## PRIVATE VARIABLES
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## END PRIVATE VARIABLES
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## PUBLIC METHODS
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// Output the Rating information
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// Returns a string of HTML
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public static function OutputRating($varParent, $varItem)
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{
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// Verify $varItem was provided
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if ($varItem != null && strlen(trim($varItem)) != 0 && $varParent != null && strlen(trim($varParent)) != 0)
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{
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// Check if Magic QUotes is ON
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if (!get_magic_quotes_gpc())
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{
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$varItem = addslashes($varItem);
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$varParent = addslashes($varParent);
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}
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// Information for the Output
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$averageStars = Rating::CalculateAverageRating($varParent, $varItem);
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// Check to see that the user has not already rated this item
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if (Rating::CheckRatingsByIp($varParent, $varItem) == 0)
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{
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$classes = "rating " . Rating::ShowStars($averageStars);
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$cat_info = Rating::FetchCategoryInfo($varItem);
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// Write Output HTML for the Rating Data
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$output = "\r\n";
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$output .= "<div class=\"rating-table\"><div><strong>{$cat_info['rating_cat_name']}</strong></div>\r\n";
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$output .= "<div>{$cat_info['rating_cat_min']}</div><div><div class=\"rated\"><ul class=\"{$classes}\" style='margin: 0px 0px 10px 0px;' id=\"{$varParent}_{$varItem}\">\r\n";
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$output .= " <li class=\"one\"><a href=\"javascript:RateItem('{$varParent}','{$varItem}', 1);\" title=\"1 Star\">1</a></li>\r\n";
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$output .= " <li class=\"two\"><a href=\"javascript:RateItem('{$varParent}','{$varItem}', 2);\" title=\"2 Stars\">2</a></li>\r\n";
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$output .= " <li class=\"three\"><a href=\"javascript:RateItem('{$varParent}','{$varItem}', 3);\" title=\"3 Stars\">3</a></li>\r\n";
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$output .= " <li class=\"four\"><a href=\"javascript:RateItem('{$varParent}','{$varItem}', 4);\" title=\"4 Stars\">4</a></li>\r\n";
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$output .= " <li class=\"five\"><a href=\"javascript:RateItem('{$varParent}','{$varItem}', 5);\" title=\"5 Stars\">5</a></li>\r\n";
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$output .= "</ul></div></div><div> {$cat_info['rating_cat_max']}</div></div>\r\n";
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}
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else
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{
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$classes = "rated " . Rating::ShowStars($averageStars);
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$cat_info = Rating::FetchCategoryInfo($varItem);
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// Write Output HTML for the Rating Data
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$output = "\r\n";
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$output .= "<div class=\"rating-table\"><div><strong>{$cat_info['rating_cat_name']}</strong></div>\r\n";
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$output .= "<div>{$cat_info['rating_cat_min']}</div><div><div class=\"rated\"><ul class=\"{$classes}\" style='margin: 0px 0px 10px 0px;' id=\"{$varParent}_{$varItem}\">\r\n";
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$output .= " <li class=\"one\">1</li>\r\n";
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$output .= " <li class=\"two\">2</li>\r\n";
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$output .= " <li class=\"three\">3</li>\r\n";
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$output .= " <li class=\"four\">4</li>\r\n";
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$output .= " <li class=\"five\">5</li>\r\n";
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$output .= "</ul></div></div><div> {$cat_info['rating_cat_max']}</div></div>\r\n";
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}
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}
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else
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{
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$output = "";
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// This is a major issue. NO information can be retrieve if an item name is not passed.
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Error::LogError("Variable Missing", "You must provide the item name for this function to find the average.");
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}
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return $output;
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}
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public static function OutputParentRating($varParent)
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{
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// Verify $varParent was provided
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if ($varParent != null && strlen(trim($varParent)) != 0)
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{
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// Check if Magic QUotes is ON
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if (!get_magic_quotes_gpc())
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{
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$varParent = addslashes($varParent);
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}
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// Information for the Output
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$averageStars = Rating::CalculateAverageParentRating($varParent);
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$classes = "rated " . Rating::ShowStars($averageStars);
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//$parent_info = Rating::FetchParentInfo($varParent);
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// Write Output HTML for the Rating Data
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$output = "\r\n";
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//$output .= "<div style='clear:both;'>Overall Rating</div>";
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$output .= "<div style='height: 16px; width: 80px; position: relative;'><ul class=\"{$classes}\" id=\"{$varParent}\" style='margin: 0px 0px 10px 0px;'>\r\n";
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$output .= " <li class=\"one\">1</li>\r\n";
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$output .= " <li class=\"two\">2</li>\r\n";
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$output .= " <li class=\"three\">3</li>\r\n";
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$output .= " <li class=\"four\">4</li>\r\n";
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$output .= " <li class=\"five\">5</li>\r\n";
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$output .= "</ul></div>\r\n";
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}
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else
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{
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$output = "";
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// This is a major issue. NO information can be retrieve if an item name is not passed.
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Error::LogError("Variable Missing", "You must provide the parent name for this function to find the average.");
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}
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return $output;
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}
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// Rate an Item
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// Returns the name/value pair of new class names and the item name
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public static function RateItem($varParent, $varItem, $varRating, $varClasses)
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{
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$newClassNames = $varClasses;
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// Verify $varName was provided
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if ($varParent != null && strlen(trim($varParent)) != 0
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&& $varItem != null && strlen(trim($varItem)) != 0
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&& $varRating != null && strlen(trim($varRating)) != 0 && is_numeric($varRating)
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&& $varClasses != null && strlen(trim($varClasses)) != 0)
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{
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// Check if Magic Quotes is ON
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if (!get_magic_quotes_gpc())
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{
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$varItem = addslashes($varItem);
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$varParent = addslashes($varParent);
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}
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// Check to see that the user has not already rated this item
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if (Rating::CheckRatingsByIp($varParent, $varItem) == 0)
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{
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$ipAddress = $_SERVER['REMOTE_ADDR'];
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$tempTime = time();
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Database::ExecuteQuery("INSERT INTO `gforum_FittersRating` (`fitter_id_fk`, `category_id_fk`, `rating_vote`, `rating_ip`, `rating_date`) VALUES ('{$varParent}', '{$varItem}', {$varRating}, '{$ipAddress}', '{$tempTime}')", "InsertRating");
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Database::FetchResults("InsertRating");
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Database::FreeResults("InsertRating");
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Database::RemoveSavedResults("InsertRating");
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// Information for the Output
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$averageStars = Rating::CalculateAverageRating($varParent, $varItem);
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$newClassNames = "rated " . Rating::ShowStars($averageStars);
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$averageStars = Rating::CalculateAverageParentRating($varParent);
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$newClassParent = "rated " . Rating::ShowStars($averageStars);
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}
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}
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else
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{
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// This is a major issue. NOT enough information was sent to log the item
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Error::LogError("Variable(s) Missing", "You must provide all of the information to log the rating of this item.");
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}
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// Build Name/Value Pair to return
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$nameValue = "classes={$newClassNames}&item={$varItem}&parent={$varParent}&parentClass={$newClassParent}";
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return $nameValue;
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}
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## END PUBLIC METHODS
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## PRIVATE METHODS
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// Fetch Category Names & Min/Max Values
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private static function FetchCategoryInfo($varItem)
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{
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// Query Category Info for a specific Category ID
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Database::ExecuteQuery("SELECT * FROM `gforum_FittersRatingCategory` WHERE `rating_cat_id`='{$varItem}'", "CategoryInfo");
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$results = Database::FetchResults("CategoryInfo");
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Database::FreeResults("CategoryInfo");
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Database::RemoveSavedResults("CategoryInfo");
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return $results[0];
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}
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// Calculate Average Rating
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// Returns the number of stars to show
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private static function CalculateAverageRating($varParent, $varItem)
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{
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$averageStars = 0;
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// Query Average Rating for a specific Item
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Database::ExecuteQuery("SELECT AVG(`rating_vote`) AS `averageRating` FROM `gforum_FittersRating` WHERE `category_id_fk`='{$varItem}' AND `fitter_id_fk`='{$varParent}'", "AverageRating");
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$results = Database::FetchResults("AverageRating");
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Database::FreeResults("AverageRating");
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Database::RemoveSavedResults("AverageRating");
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// Round the Average into a Whole Number
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if (sizeof($results) == 1)
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{
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if ($results[0]['averageRating'] != null)
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{
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$averageStars = round($results[0]["averageRating"], 0);
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}
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}
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else
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{
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// This is simply a warning, as it isn't vital if no results were found, as the item may be new.
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Error::LogWarning("Rating Data Missing", "No entries were found for '{$varName}', this might be the first entry.");
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}
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return $averageStars;
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}
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// Calculate Average Rating
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// Returns the number of stars to show
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private static function CalculateAverageParentRating($varParent)
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{
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$averageStars = 0;
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// Query Average Rating for a specific Item
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Database::ExecuteQuery("SELECT AVG(`rating_vote`) AS `averageRating` FROM `gforum_FittersRating` WHERE `fitter_id_fk`='{$varParent}'", "AverageRating");
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$results = Database::FetchResults("AverageRating");
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Database::FreeResults("AverageRating");
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Database::RemoveSavedResults("AverageRating");
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// Round the Average into a Whole Number
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if (sizeof($results) == 1)
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{
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if ($results[0]['averageRating'] != null)
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{
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$averageStars = round($results[0]["averageRating"], 0);
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}
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}
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else
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{
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// This is simply a warning, as it isn't vital if no results were found, as the item may be new.
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Error::LogWarning("Rating Data Missing", "No entries were found for '{$varName}', this might be the first entry.");
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}
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return $averageStars;
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}
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// Show Stars
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// Returns the class information for the number of stars to show
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private static function ShowStars($varStars)
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{
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// Select the Number of Stars Class
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switch ($varStars)
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{
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case 1:
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$classes .= "onestar";
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break;
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case 2:
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$classes .= "twostar";
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break;
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case 3:
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$classes .= "threestar";
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break;
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case 4:
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$classes .= "fourstar";
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break;
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case 5:
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$classes .= "fivestar";
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break;
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default:
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$classes .= "nostar";
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break;
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}
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return $classes;
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}
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// Check Ratings By IP Address
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// Returns the number of ratings for an item by an ip address
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private static function CheckRatingsByIp($varParent, $varItem)
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{
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$ipAddress = $_SERVER['REMOTE_ADDR'];
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Database::ExecuteQuery("SELECT COUNT(*) AS `totalRatings` FROM `gforum_FittersRating` WHERE `category_id_fk`='{$varItem}' AND `fitter_id_fk`='{$varParent}' AND `rating_ip`='{$ipAddress}'", "AlreadyRated");
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$results = Database::FetchResults("AlreadyRated");
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Database::FreeResults("AlreadyRated");
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Database::RemoveSavedResults("AlreadyRated");
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// Check to see that the user has not already rated this item
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if ($results != null && $results[0]['totalRatings'] != null)
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{
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return $results[0]['totalRatings'];
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}
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return 0;
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}
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## END PRIVATE METHODS
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}
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?>
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