| <?php | <?php |
| $heuristics["HISTORY_LOW_TRANSACTIONS_AGENCY"] = Array( | $heuristics["HISTORY_LOW_TRANSACTIONS_AGENCY"] = Array( |
| "description" => "unusual for agency due to previous low number of transactions " | "description" => "unusual for agency due to previous low number of transactions " |
| ); | ); |
| function HISTORY_LOW_TRANSACTIONS_AGENCY($cn) | function HISTORY_LOW_TRANSACTIONS_AGENCY($cn) |
| { | { |
| $thisAgencyTransactions = getAgencyTransactions($cn['agencyName']); | $thisAgencyTransactions = getAgencyTransactions($cn['agencyName']); |
| $averageAgencyTransactions = getAverageAgencyTransactions(); | $averageAgencyTransactions = getAverageAgencyTransactions(); |
| $stddevAgencyTransactions = getstddevAgencyTransactions(); | $stddevAgencyTransactions = getstddevAgencyTransactions(); |
| $diff = strtotime($cn['contractEnd']) - strtotime($cn['contractStart']); | $diff = strtotime($cn['contractEnd']) - strtotime($cn['contractStart']); |
| $days = intval($diff / (60 * 60 * 24)); | $days = intval($diff / (60 * 60 * 24)); |
| $value = abs($days - $averageAgencyTransactions) / $stddevAgencyTransactions; | $value = abs($days - $averageAgencyTransactions) / $stddevAgencyTransactions; |
| return Array( | return Array( |
| "heuristic_value" => $value, | "heuristic_value" => $value, |
| "raw_value" => $days, | "raw_value" => $days, |
| "mean" => $averageAgencyTransactions, | "mean" => $averageAgencyTransactions, |
| "stddev" => $stddevAgencyTransactions | "stddev" => $stddevAgencyTransactions |
| ); | ); |
| } | } |
| $agencyTransactions = Array(); | $agencyTransactions = Array(); |
| function getAgencyTransactions($agencyName) | function getAgencyTransactions($agencyName) |
| { | { |
| global $agencyTransactions,$conn; | global $agencyTransactions,$conn; |
| if (!$agencyTransactions[$agencyName]) { | if (!$agencyTransactions[$agencyName]) { |
| $query = 'select count(*) from contractnotice where "agencyName" = \'' . $agencyName . '"\''; | $query = 'select count(*) from contractnotice where "agencyName" = \'' . pg_escape_string ($agencyName) . '"\''; |
| $result = $conn->query($query); | $result = $conn->query($query); |
| //echo $query; | |
| $r = $result->fetch(PDO::FETCH_BOTH); | $r = $result->fetch(PDO::FETCH_BOTH); |
| $agencyTransactions[$agencyName] = $r[0]; | $agencyTransactions[$agencyName] = $r[0]; |
| } | } |
| return $agencyTransactions[$agencyName]; | return $agencyTransactions[$agencyName]; |
| } | } |
| $averageAgencyTransactions; | $averageAgencyTransactions; |
| function getAverageAgencyTransactions() | function getAverageAgencyTransactions() |
| { | { |
| global $averageAgencyTransactions; | global $averageAgencyTransactions; |
| if (!$averageAgencyTransactions) { | if (!$averageAgencyTransactions) { |
| getStatsAgencyTransactions(); | getStatsAgencyTransactions(); |
| } | } |
| return $averageAgencyTransactions; | return $averageAgencyTransactions; |
| } | } |
| $stddevAgencyTransactions; | $stddevAgencyTransactions; |
| function getstddevAgencyTransactions() | function getstddevAgencyTransactions() |
| { | { |
| global $stddevAgencyTransactions; | global $stddevAgencyTransactions; |
| if (!$stddevAgencyTransactions) { | if (!$stddevAgencyTransactions) { |
| getStatsAgencyTransactions(); | getStatsAgencyTransactions(); |
| } | } |
| return $stddevAgencyTransactions; | return $stddevAgencyTransactions; |
| } | } |
| function getStatsAgencyTransactions() | function getStatsAgencyTransactions() |
| { | { |
| global $averageAgencyTransactions, $stddevAgencyTransactions,$conn; | global $averageAgencyTransactions, $stddevAgencyTransactions,$conn; |
| $query = 'select avg(count), STDDEV(count) from (select count(*) as count | $query = 'select avg(count), STDDEV(count) from (select count(*) as count |
| from contractnotice group by "agencyName") as a;'; | from contractnotice group by "agencyName") as a;'; |
| $result = $conn->query($query); | $result = $conn->query($query); |
| $r = $result->fetch(PDO::FETCH_BOTH); | $r = $result->fetch(PDO::FETCH_BOTH); |
| $averageAgencyTransactions = $r[0]; | $averageAgencyTransactions = $r[0]; |
| $stddevAgencyTransactions = $r[1]; | $stddevAgencyTransactions = $r[1]; |
| } | } |
| $heuristics["HISTORY_LOW_TRANSACTIONS_SUPPLIER"] = Array( | $heuristics["HISTORY_LOW_TRANSACTIONS_SUPPLIER"] = Array( |
| "description" => "unusual for supplier due to previous low number of transactions " | "description" => "unusual for supplier due to previous low number of transactions " |
| ); | ); |
| function HISTORY_LOW_TRANSACTIONS_SUPPLIER($cn) | function HISTORY_LOW_TRANSACTIONS_SUPPLIER($cn) |
| { | { |
| $thisSupplierTransactions = getSupplierTransactions($cn['supplierName'], $cn['supplierABN']); | $thisSupplierTransactions = getSupplierTransactions($cn['supplierName'], $cn['supplierABN']); |
| $averageSupplierTransactions = getAverageSupplierTransactions(); | $averageSupplierTransactions = getAverageSupplierTransactions(); |
| $stddevSupplierTransactions = getstddevSupplierTransactions(); | $stddevSupplierTransactions = getstddevSupplierTransactions(); |
| $diff = strtotime($cn['contractEnd']) - strtotime($cn['contractStart']); | $diff = strtotime($cn['contractEnd']) - strtotime($cn['contractStart']); |
| $days = intval($diff / (60 * 60 * 24)); | $days = intval($diff / (60 * 60 * 24)); |
| $value = abs($days - $averageSupplierTransactions) / $stddevSupplierTransactions; | $value = abs($days - $averageSupplierTransactions) / $stddevSupplierTransactions; |
| return Array( | return Array( |
| "heuristic_value" => $value, | "heuristic_value" => $value, |
| "raw_value" => $days, | "raw_value" => $days, |
| "mean" => $averageSupplierTransactions, | "mean" => $averageSupplierTransactions, |
| "stddev" => $stddevSupplierTransactions | "stddev" => $stddevSupplierTransactions |
| ); | ); |
| } | } |
| $supplierTransactions = Array(); | $supplierTransactions = Array(); |
| function getSupplierTransactions($supplierName, $supplierABN) | function getSupplierTransactions($supplierName, $supplierABN) |
| { | { |
| global $supplierTransactions,$conn; | global $supplierTransactions,$conn; |
| if ($supplierABN != 0 && $supplierABN != "") { | if ($supplierABN != 0 && $supplierABN != "") { |
| if (!$supplierTransactions[$supplierABN]) { | if (!$supplierTransactions[$supplierABN]) { |
| $query = "select count(*) from contractnotice where \"supplierABN\" = '" . $supplierABN . "'"; | $query = "select count(*) from contractnotice where \"supplierABN\" = '" . $supplierABN . "'"; |
| $result = $conn->query($query); | $result = $conn->query($query); |
| $r = $result->fetch(PDO::FETCH_BOTH); | $r = $result->fetch(PDO::FETCH_BOTH); |
| $supplierTransactions[$supplierABN] = $r[0]; | $supplierTransactions[$supplierABN] = $r[0]; |
| } | } |
| return $supplierTransactions[$supplierABN]; | return $supplierTransactions[$supplierABN]; |
| } | } |
| if (!$supplierTransactions[$supplierName]) { | if (!$supplierTransactions[$supplierName]) { |
| $query = "select count(*) from contractnotice where \"supplierName\" = '" . $supplierName . "'"; | $query = "select count(*) from contractnotice where \"supplierName\" = '" . $supplierName . "'"; |
| $result = $conn->query($query); | $result = $conn->query($query); |
| $r = $result->fetch(PDO::FETCH_BOTH); | $r = $result->fetch(PDO::FETCH_BOTH); |
| $supplierTransactions[$supplierName] = $r[0]; | $supplierTransactions[$supplierName] = $r[0]; |
| } | } |
| return $supplierTransactions[$supplierName]; | return $supplierTransactions[$supplierName]; |
| } | } |
| $averageSupplierTransactions; | $averageSupplierTransactions; |
| function getAverageSupplierTransactions() | function getAverageSupplierTransactions() |
| { | { |
| global $averageSupplierTransactions; | global $averageSupplierTransactions; |
| if (!$averageSupplierTransactions) { | if (!$averageSupplierTransactions) { |
| getStatsSupplierTransactions(); | getStatsSupplierTransactions(); |
| } | } |
| return $averageSupplierTransactions; | return $averageSupplierTransactions; |
| } | } |
| $stddevSupplierTransactions; | $stddevSupplierTransactions; |
| function getstddevSupplierTransactions() | function getstddevSupplierTransactions() |
| { | { |
| global $stddevSupplierTransactions; | global $stddevSupplierTransactions; |
| if (!$stddevSupplierTransactions) { | if (!$stddevSupplierTransactions) { |
| getStatsSupplierTransactions(); | getStatsSupplierTransactions(); |
| } | } |
| return $stddevSupplierTransactions; | return $stddevSupplierTransactions; |
| } | } |
| function getStatsSupplierTransactions() | function getStatsSupplierTransactions() |
| { | { |
| global $averageSupplierTransactions, $stddevSupplierTransactions,$conn; | global $averageSupplierTransactions, $stddevSupplierTransactions,$conn; |
| $query = 'select avg(count), stddev(count) from ( | $query = 'select avg(count), stddev(count) from ( |
| select (case when "supplierABN" != 0 THEN "supplierABN"::text ELSE "supplierName" END) as "supplierID", | select (case when "supplierABN" != 0 THEN "supplierABN"::text ELSE "supplierName" END) as "supplierID", |
| count(*) as count from contractnotice group by "supplierID") as a;'; | count(*) as count from contractnotice group by "supplierID") as a;'; |
| $result = $conn->query($query); | $result = $conn->query($query); |
| $r = $result->fetch(PDO::FETCH_BOTH); | $r = $result->fetch(PDO::FETCH_BOTH); |
| $averageSupplierTransactions = $r[0]; | $averageSupplierTransactions = $r[0]; |
| $stddevSupplierTransactions = $r[1]; | $stddevSupplierTransactions = $r[1]; |
| } | } |